| ⓘ Achyrophanite (TL) Formula: (K,Na)3(Fe3+,Ti,Al,Mg)5O2(AsO4)5 Type Locality: References: Pekov, Igor V.; Zubkova, Natalia V.; Koshlyakova, Natalia N.; Belakovskiy, Dmitry I.; Vigasina, Marina F.; Agakhanov, Atali A.; Britvin, Sergey N.; Turchkova, Anna G.; Sidorov, Evgeny G.; Zhegunov, Pavel S.; et al. (2025) Achyrophanite, (K,Na)3(Fe3+,Ti,Al,Mg)5O2(AsO4)5, a New Mineral with the Novel Structure Type from Fumarolic Exhalations of the Tolbachik Volcano, Kamchatka, Russia. Minerals, 15 (7). doi:10.3390/min15070706 |
| ⓘ Aegirine Formula: NaFe3+Si2O6 References: Shchipalkina, Nadezhda, Pekov, Igor, Britvin, Sergey, Koshlyakova, Natalia, Vigasina, Marina, Sidorov, Evgeny (2019) A New Mineral Ferrisanidine, K[Fe3+Si3O8], the First Natural Feldspar with Species-Defining Iron. Minerals, 9 (12) 770 doi:10.3390/min9120770 Shchipalkina, Nadezhda V., Pekov, Igor V., Koshlyakova, Natalia N., Britvin, Sergey N., Zubkova, Natalia V., Varlamov, Dmitry A., Sidorov, Eugeny G. (2020) Unusual silicate mineralization in fumarolic sublimates of the Tolbachik volcano, Kamchatka, Russia – Part 2: Tectosilicates. European Journal of Mineralogy, 32 (1) 121-136 doi:10.5194/ejm-32-121-2020 Pekov, Igor V.; Zubkova, Natalia V.; Agakhanov, Atali A.; Belakovskiy, Dmitry I.; Vigasina, Marina F.; Yapaskurt, Vasiliy O.; Britvin, Sergey N.; Turchkova, Anna G.; Sidorov, Evgeny G.; Zhitova, Elena S.; et al. (2026) Polyarsite, Na7CaMgCu2(AsO4)4F2Cl, a New Mineral with Unique Complex Layers in the Novel-Type Crystal Structure. Minerals, 16 (2). doi:10.3390/min16020122 |
| ⓘ Aegirine-augite Formula: (NaaCabFe2+cMgd)(Fe3+eAlfFe2+gMgh)Si2O6 References: Shchipalkina, Nadezhda V., Pekov, Igor V., Koshlyakova, Natalia N., Britvin, Sergey N., Zubkova, Natalia V., Varlamov, Dmitry A., Sidorov, Eugeny G. (2020) Unusual silicate mineralization in fumarolic sublimates of the Tolbachik volcano, Kamchatka, Russia – Part 2: Tectosilicates. European Journal of Mineralogy, 32 (1) 121-136 doi:10.5194/ejm-32-121-2020 |
| ⓘ Alarsite Formula: AlAsO4 References: Pekov, I. V., Zubkova, N. V., Yapaskurt, V. O., Belakovskiy, D. I., Vigasina, M. F., Sidorov, E. G., Pushcharovsky, D. Yu. (2014) New arsenate minerals from the Arsenatnaya fumarole, Tolbachik volcano, Kamchatka, Russia. II. Ericlaxmanite and kozyrevskite, two natural modifications of Cu4O(AsO4)2. Mineralogical Magazine, 78 (7) 1553-1569 doi:10.1180/minmag.2014.078.7.03 Pekov, Igor V.; Zubkova, Natalia V.; Agakhanov, Atali A.; Koshlyakova, Natalia N.; Chukanov, Nikita V.; Yapaskurt, Vasiliy O.; Britvin, Sergey N.; Turchkova, Anna G.; Zhitova, Elena S.; Pushcharovsky, Dmitry Yu. (2026) New arsenate minerals from the Arsenatnaya fumarole, Tolbachik volcano, Kamchatka, Russia. XXI. Magganasite, CuFe3+3O(AsO4)3. Mineralogical Magazine, 90 (2). p.472-480. doi:10.1180/mgm.2025.10141 |
| ⓘ Albite Formula: Na(AlSi3O8) References: Shchipalkina, Nadezhda V., Pekov, Igor V., Koshlyakova, Natalia N., Britvin, Sergey N., Zubkova, Natalia V., Varlamov, Dmitry A., Sidorov, Eugeny G. (2020) Unusual silicate mineralization in fumarolic sublimates of the Tolbachik volcano, Kamchatka, Russia – Part 2: Tectosilicates. European Journal of Mineralogy, 32 (1) 121-136 doi:10.5194/ejm-32-121-2020 |
| ⓘ Albite var. Anorthoclase Formula: (Na,K)AlSi3O8 References: Shchipalkina, Nadezhda V., Pekov, Igor V., Koshlyakova, Natalia N., Britvin, Sergey N., Zubkova, Natalia V., Varlamov, Dmitry A., Sidorov, Eugeny G. (2020) Unusual silicate mineralization in fumarolic sublimates of the Tolbachik volcano, Kamchatka, Russia – Part 2: Tectosilicates. European Journal of Mineralogy, 32 (1) 121-136 doi:10.5194/ejm-32-121-2020 |
| ⓘ Aleutite (TL) Formula: [Cu5O2](AsO4)(VO4) · (Cu,K,Pb,Rb,Cs,)Cl Type Locality: |
| ⓘ Allochalcoselite (TL) Formula: Cu+PbCu2+5(SeO3)2Cl5O2 Type Locality: References: Vergasova, L.P., Krivovichev, S.V., Britvin, S.N., Fitatov, S.K., Berns, P.K., Ananyev, V.V. (2005) Allochalcoselite, Cu+Cu2+5 PbO2(SeO3)2Cl5 - a new mineral from volcanic exhalations (Kamchatka, Russia). Zapiski Rossiiskogo Mineralogicheskogo Obshchetstva, 134(3), 70-74 . |
| ⓘ Alluaudite Formula: (Na,Ca)Mn2+(Fe3+,Mn2+,Fe2+,Mg)2(PO4)3 References: Pekov, Igor V.; Zubkova, Natalia V.; Koshlyakova, Natalia N.; Belakovskiy, Dmitry I.; Vigasina, Marina F.; Agakhanov, Atali A.; Britvin, Sergey N.; Turchkova, Anna G.; Sidorov, Evgeny G.; Zhegunov, Pavel S.; et al. (2025) Achyrophanite, (K,Na)3(Fe3+,Ti,Al,Mg)5O2(AsO4)5, a New Mineral with the Novel Structure Type from Fumarolic Exhalations of the Tolbachik Volcano, Kamchatka, Russia. Minerals, 15 (7). doi:10.3390/min15070706 |
| ⓘ Alumoedtollite (TL) Formula: K2NaCu5AlO2(AsO4)4 Type Locality: References: Pekov, Igor V., Zubkova, Natalia V., Agakhanov, Atali A., Ksenofontov, Dmitry A., Pautov, Leonid A., Sidorov, Evgeny G., Britvin, Sergey N., Vigasina, Marina F., Pushcharovsky, Dmitry Y. (2019) New arsenate minerals from the Arsenatnaya fumarole, Tolbachik volcano, Kamchatka, Russia. X. Edtollite, K2NaCu5Fe3+O2(AsO4)4, and alumoedtollite, K2NaCu5AlO2(AsO4)4. Mineralogical Magazine, 83 (4) 485-495 doi:10.1180/mgm.2018.155 |
| ⓘ Alumoklyuchevskite Formula: K3Cu3(Al,Fe3+)(SO4)4O2 Localities: Glavnaya Tenoritovaya fumarole (Major Tenorite), Second scoria cone, Northern Breakthrough (North Breach), Great Fissure eruption (Main Fracture), Tolbachik Volcanic field, Milkovsky District, Kamchatka Krai, RussiaArsenatnaya fumarole, Second scoria cone, Northern Breakthrough (North Breach), Great Fissure eruption (Main Fracture), Tolbachik Volcanic field, Milkovsky District, Kamchatka Krai, RussiaSecond scoria cone, Northern Breakthrough (North Breach), Great Fissure eruption (Main Fracture), Tolbachik Volcanic field, Milkovsky District, Kamchatka Krai, RussiaYadovitaya fumarole, Second scoria cone, Northern Breakthrough (North Breach), Great Fissure eruption (Main Fracture), Tolbachik Volcanic field, Milkovsky District, Kamchatka Krai, Russia |
| ⓘ Anatolyite (TL) Formula: Na6(Ca,Na)(Mg,Fe3+)3Al(AsO4)6 Type Locality: References: Pekov, Igor V., Lykova, Inna S., Yapaskurt, Vasiliy O., Belakovskiy, Dmitry I., Turchkova, Anna G., Britvin, Sergey N., Sidorov, Evgeny G., Scheidl, Katharina S. (2019) New arsenate minerals from the Arsenatnaya fumarole, Tolbachik volcano, Kamchatka, Russia. XI. Anatolyite, Na6(Ca,Na)(Mg,Fe3+)3Al(AsO4)6. Mineralogical Magazine, 83 (5) 633-638 doi:10.1180/mgm.2019.11 |
| ⓘ Andradite Formula: Ca3Fe3+2(SiO4)3 References: Shchipalkina, Nadezhda V., Pekov, Igor V., Koshlyakova, Natalia N., Britvin, Sergey N., Zubkova, Natalia V., Varlamov, Dmitry A., Sidorov, Eugeny G. (2020) Unusual silicate mineralization in fumarolic sublimates of the Tolbachik volcano, Kamchatka, Russia – Part 2: Tectosilicates. European Journal of Mineralogy, 32 (1) 121-136 doi:10.5194/ejm-32-121-2020 |
| ⓘ Anglesite Formula: PbSO4 Localities: Reported from at least 6 localities in this region. |
| ⓘ Anglesite var. Copper-bearing Anglesite Formula: (Pb,Cu)SO4 |
| ⓘ Anhydrite Formula: CaSO4 Localities: Arsenatnaya fumarole, Second scoria cone, Northern Breakthrough (North Breach), Great Fissure eruption (Main Fracture), Tolbachik Volcanic field, Milkovsky District, Kamchatka Krai, RussiaGlavnaya Tenoritovaya fumarole (Major Tenorite), Second scoria cone, Northern Breakthrough (North Breach), Great Fissure eruption (Main Fracture), Tolbachik Volcanic field, Milkovsky District, Kamchatka Krai, RussiaFirst scoria cone, Northern Breakthrough (North Breach), Great Fissure eruption (Main Fracture), Tolbachik Volcanic field, Milkovsky District, Kamchatka Krai, RussiaNorthern fumarole field, First scoria cone, Northern Breakthrough (North Breach), Great Fissure eruption (Main Fracture), Tolbachik Volcanic field, Milkovsky District, Kamchatka Krai, RussiaYadovitaya fumarole, Second scoria cone, Northern Breakthrough (North Breach), Great Fissure eruption (Main Fracture), Tolbachik Volcanic field, Milkovsky District, Kamchatka Krai, Russia |
| ⓘ Anorthite Formula: Ca(Al2Si2O8) References: Shchipalkina, Nadezhda V., Pekov, Igor V., Koshlyakova, Natalia N., Britvin, Sergey N., Zubkova, Natalia V., Varlamov, Dmitry A., Sidorov, Eugeny G. (2020) Unusual silicate mineralization in fumarolic sublimates of the Tolbachik volcano, Kamchatka, Russia – Part 2: Tectosilicates. European Journal of Mineralogy, 32 (1) 121-136 doi:10.5194/ejm-32-121-2020 |
| ⓘ Anorthite var. Labradorite Formula: (Ca,Na)[Al(Al,Si)Si2O8] References: Shchipalkina, Nadezhda V., Pekov, Igor V., Koshlyakova, Natalia N., Britvin, Sergey N., Zubkova, Natalia V., Varlamov, Dmitry A., Sidorov, Eugeny G. (2020) Unusual silicate mineralization in fumarolic sublimates of the Tolbachik volcano, Kamchatka, Russia – Part 2: Tectosilicates. European Journal of Mineralogy, 32 (1) 121-136 doi:10.5194/ejm-32-121-2020 |
| ⓘ Antipovite (TL) Formula: Cu5O2(PO4)2 Type Locality: |
| ⓘ Antofagastaite Formula: Na2Ca(SO4)2 · 1.5H2O References: Pekov, Igor V., Kovrugin, Vadim M., Siidra, Oleg I., Chukanov, Nikita V., Belakovskiy, Dmitry I., Koshlyakova, Natalia N., Yapaskurt, Vasiliy O., Turchkova, Anna G., Möhn, Gerhard (2019) Antofagastaite, Na2Ca(SO4)2·1.5H2O, a new mineral related to syngenite. Mineralogical Magazine, 83 (6) 781-790 doi:10.1180/mgm.2019.17 |
| ⓘ Aphthitalite Formula: K3Na(SO4)2 Localities: Yadovitaya fumarole, Second scoria cone, Northern Breakthrough (North Breach), Great Fissure eruption (Main Fracture), Tolbachik Volcanic field, Milkovsky District, Kamchatka Krai, RussiaArsenatnaya fumarole, Second scoria cone, Northern Breakthrough (North Breach), Great Fissure eruption (Main Fracture), Tolbachik Volcanic field, Milkovsky District, Kamchatka Krai, Russia |
| ⓘ Aragonite Formula: CaCO3 |
| ⓘ Arcanite Formula: K2SO4 Localities: Second scoria cone, Northern Breakthrough (North Breach), Great Fissure eruption (Main Fracture), Tolbachik Volcanic field, Milkovsky District, Kamchatka Krai, RussiaArsenatnaya fumarole, Second scoria cone, Northern Breakthrough (North Breach), Great Fissure eruption (Main Fracture), Tolbachik Volcanic field, Milkovsky District, Kamchatka Krai, Russia |
| ⓘ Arsenatrotitanite (TL) Formula: NaTi(AsO4)O Type Locality: References: Pekov, Igor V., Zubkova, Natalia V., Agakhanov, Atali A., Belakovskiy, Dmitry I., Vigasina, Marina F., Yapaskurt, Vasiliy O., Sidorov, Evgeny G., Britvin, Sergey N., Pushcharovsky, Dmitry Y. (2019) New arsenate minerals from the Arsenatnaya fumarole, Tolbachik volcano, Kamchatka, Russia. IX. Arsenatrotitanite, NaTiO(AsO4) Mineralogical Magazine, 83 (3) 453-458 doi:10.1180/mgm.2018.134 Pekov, Igor V.; Zubkova, Natalia V.; Koshlyakova, Natalia N.; Belakovskiy, Dmitry I.; Vigasina, Marina F.; Agakhanov, Atali A.; Britvin, Sergey N.; Turchkova, Anna G.; Sidorov, Evgeny G.; Zhegunov, Pavel S.; et al. (2025) Achyrophanite, (K,Na)3(Fe3+,Ti,Al,Mg)5O2(AsO4)5, a New Mineral with the Novel Structure Type from Fumarolic Exhalations of the Tolbachik Volcano, Kamchatka, Russia. Minerals, 15 (7). doi:10.3390/min15070706 |
| ⓘ Arsenowagnerite (TL) Formula: Mg2(AsO4)F Type Locality: References: Pekov, Igor V., Zubkova, Natalia V., Agakhanov, Atali A., Yapaskurt, Vasiliy O., Chukanov, Nikita V., Belakovskiy, Dmitry I., Sidorov, Evgeny G., Pushcharovsky, Dmitry Yu. (2018) New arsenate minerals from the Arsenatnaya fumarole, Tolbachik volcano, Kamchatka, Russia. VIII. Arsenowagnerite, Mg2(AsO4)F. Mineralogical Magazine, 82 (4) 877-888 doi:10.1180/minmag.2017.081.067 Pekov, Igor V., Koshlyakova, Natalia N., Zubkova, Natalia V., Belakovskiy, Dmitry I., Vigasina, Marina F., Agakhanov, Atali A., Ksenofontov, Dmitry A., Turchkova, Anna G., Britvin, Sergey N., Sidorov, Evgeny G., Pushcharovsky, Dmitry Yu. (2022) A Natural Vanadate–Arsenate Isomorphous Series with Jeffbenite-Type Structure: New Fumarolic Minerals Udinaite, NaMg4(VO4)3, and Arsenudinaite, NaMg4(AsO4)3. Minerals, 12 (7) 850 doi:10.3390/min12070850 |
| ⓘ Arsenudinaite (TL) Formula: NaMg4(AsO4)3 Type Locality: References: Pekov, Igor V., Koshlyakova, Natalia N., Zubkova, Natalia V., Belakovskiy, Dmitry I., Vigasina, Marina F., Agakhanov, Atali A., Ksenofontov, Dmitry A., Turchkova, Anna G., Britvin, Sergey N., Sidorov, Evgeny G., Pushcharovsky, Dmitry Yu. (2022) A Natural Vanadate–Arsenate Isomorphous Series with Jeffbenite-Type Structure: New Fumarolic Minerals Udinaite, NaMg4(VO4)3, and Arsenudinaite, NaMg4(AsO4)3. Minerals, 12 (7) 850 doi:10.3390/min12070850 |
| ⓘ Arsmirandite (TL) Formula: Na18Cu12Fe3+O8(AsO4)8Cl5 Type Locality: References: Shchipalkina, Nadezhda, Pekov, Igor, Britvin, Sergey, Koshlyakova, Natalia, Vigasina, Marina, Sidorov, Evgeny (2019) A New Mineral Ferrisanidine, K[Fe3+Si3O8], the First Natural Feldspar with Species-Defining Iron. Minerals, 9 (12) 770 doi:10.3390/min9120770 Pekov, I.V., Britvin, S.N., Yapaskurt, V.O., Koshlyakova, N.N., Polekhovsky, Yu.S., Göttlicher, J., Chukanov, N.V., Vigasina, M.F., Krivovichev, S.V., Turhkova, A.G., Sidorov, E.G. (2020) Arsmirandite, Na18Cu12Fe3+O8(AsO4)8Cl5, and lehmannite, Na18Cu12TiO8(AsO4)8FCl5, new minerals from fumerole exhalations of the Tolbachik Volcano, Kamchatka, Russia. Zapiski RMO, 149. 1-17 Pekov, Igor V.; Zubkova, Natalia V.; Agakhanov, Atali A.; Belakovskiy, Dmitry I.; Vigasina, Marina F.; Yapaskurt, Vasiliy O.; Britvin, Sergey N.; Turchkova, Anna G.; Sidorov, Evgeny G.; Zhitova, Elena S.; et al. (2026) Polyarsite, Na7CaMgCu2(AsO4)4F2Cl, a New Mineral with Unique Complex Layers in the Novel-Type Crystal Structure. Minerals, 16 (2). doi:10.3390/min16020122 |
| ⓘ Atacamite Formula: Cu2(OH)3Cl References: Chukanov, N. V., Murashko, M. N., Zadov, A. E., Bushmakin, A. F. (2007) Avdoninite, K2Cu5Cl8(OH)4 · H2O, a new mineral species from volcanic exhalations and the technogenic zone at volcanic-hosted massive sulfide deposits. Geology of Ore Deposits, 49 (7) 505-508 doi:10.1134/s1075701507070021 |
| ⓘ Atlasovite Formula: K(BiO)Cu6Fe3+(SO4)5O3Cl References: Pekov, I. V., Zubkova, N. V., Zelenski, M. E., Yapaskurt, V. O., Polekhovsky, Yu. S., Fadeeva, O. A., Pushcharovsky, D. Yu. (2013) Yaroshevskite, Cu9O2(VO4)4Cl2, a new mineral from the Tolbachik volcano, Kamchatka, Russia. Mineralogical Magazine, 77 (1) 107-116 doi:10.1180/minmag.2013.077.1.10 |
| ⓘ Avdoninite (TL) Formula: K2Cu5(OH)4Cl8 · H2O Localities: Yadovitaya fumarole, Second scoria cone, Northern Breakthrough (North Breach), Great Fissure eruption (Main Fracture), Tolbachik Volcanic field, Milkovsky District, Kamchatka Krai, RussiaSecond scoria cone, Northern Breakthrough (North Breach), Great Fissure eruption (Main Fracture), Tolbachik Volcanic field, Milkovsky District, Kamchatka Krai, RussiaGlavnaya Tenoritovaya fumarole (Major Tenorite), Second scoria cone, Northern Breakthrough (North Breach), Great Fissure eruption (Main Fracture), Tolbachik Volcanic field, Milkovsky District, Kamchatka Krai, Russia |
| ⓘ Averievite Formula: Cu6(VO4)2O2Cl2 References: Zelenski, Michael E., Zubkova, Natalia V., Pekov, Igor V., Polekhovsky, Yuri S., Pushcharovsky, Dmitry Y.U. (2012) Cupromolybdite, Cu3O(MoO4)2, a new fumarolic mineral from the Tolbachik volcano, Kamchatka Peninsula, Russia. European Journal of Mineralogy, 24 (4) 749-757 doi:10.1127/0935-1221/2012/0024-2221 |
| ⓘ Axelite (TL) Formula: Na14Cu7(AsO4)8F2Cl2 Type Locality: References: Shchipalkina, Nadezhda, Pekov, Igor, Britvin, Sergey, Koshlyakova, Natalia, Vigasina, Marina, Sidorov, Evgeny (2019) A New Mineral Ferrisanidine, K[Fe3+Si3O8], the First Natural Feldspar with Species-Defining Iron. Minerals, 9 (12) 770 doi:10.3390/min9120770 Pekov, Igor V., Zubkova, Natalia V., Agakhanov, Atali A., Yapaskurt, Vasiliy O., Belakovskiy, Dmitry I., Britvin, Sergey N., Sidorov, Evgeny G., Kutyrev, Anton V., Pushcharovsky, Dmitry Yu. (2023) New arsenate minerals from the Arsenatnaya fumarole, Tolbachik volcano, Kamchatka, Russia. XIX. Axelite, Na14Cu7(AsO4)8F2Cl2. Mineralogical Magazine, 87 (1) 109-117 doi:10.1180/mgm.2022.120 Pekov, Igor V.; Zubkova, Natalia V.; Agakhanov, Atali A.; Belakovskiy, Dmitry I.; Vigasina, Marina F.; Yapaskurt, Vasiliy O.; Britvin, Sergey N.; Turchkova, Anna G.; Sidorov, Evgeny G.; Zhitova, Elena S.; et al. (2026) Polyarsite, Na7CaMgCu2(AsO4)4F2Cl, a New Mineral with Unique Complex Layers in the Novel-Type Crystal Structure. Minerals, 16 (2). doi:10.3390/min16020122 |
| ⓘ Badalovite (TL) Formula: Na2Mg2Fe(AsO4)3 Type Locality: References: Shchipalkina, Nadezhda, Pekov, Igor, Britvin, Sergey, Koshlyakova, Natalia, Vigasina, Marina, Sidorov, Evgeny (2019) A New Mineral Ferrisanidine, K[Fe3+Si3O8], the First Natural Feldspar with Species-Defining Iron. Minerals, 9 (12) 770 doi:10.3390/min9120770 Pekov, Igor V., Shchipalkina, Nadezhda V., Zubkova, Natalia V., Gurzhiy, Vladislav V., Agakhanov, Atali A., Belakovskiy, Dmitry I., Chukanov, Nikita V., Lykova, Inna S., Vigasina, Marina F., Koshlyakova, Natalia N., Sidorov, Evgeny G., Giester, Gerald (2019) Alkali sulfates with aphthitalite-like structures from fumaroles of the Tolbachik Volcano, Kamchatka, Russia. I. Metathénardite, a natural high-temperature modification of Na2SO4. The Canadian Mineralogist, 57 (6) 885-901 doi:10.3749/canmin.1900050 Pekov, Igor V., Koshlyakova, Natalia N., Agakhanov, Atali A., Zubkova, Natalia V., Belakovskiy, Dmitry I., Vigasina, Marina F., Turchkova, Anna G., Sidorov, Evgeny G., Pushcharovsky, Dmitry Yu. (2020) New arsenate minerals from the Arsenatnaya fumarole, Tolbachik volcano, Kamchatka, Russia. XIV. Badalovite, NaNaMg(MgFe3+)(AsO4)3, a member of the alluaudite group. Mineralogical Magazine, 84 (4) 616-622 doi:10.1180/mgm.2020.43 Pekov, Igor V.; Zubkova, Natalia V.; Koshlyakova, Natalia N.; Belakovskiy, Dmitry I.; Vigasina, Marina F.; Agakhanov, Atali A.; Britvin, Sergey N.; Turchkova, Anna G.; Sidorov, Evgeny G.; Zhegunov, Pavel S.; et al. (2025) Achyrophanite, (K,Na)3(Fe3+,Ti,Al,Mg)5O2(AsO4)5, a New Mineral with the Novel Structure Type from Fumarolic Exhalations of the Tolbachik Volcano, Kamchatka, Russia. Minerals, 15 (7). doi:10.3390/min15070706 Pekov, Igor V.; Zubkova, Natalia V.; Agakhanov, Atali A.; Belakovskiy, Dmitry I.; Vigasina, Marina F.; Yapaskurt, Vasiliy O.; Britvin, Sergey N.; Turchkova, Anna G.; Sidorov, Evgeny G.; Zhitova, Elena S.; et al. (2026) Polyarsite, Na7CaMgCu2(AsO4)4F2Cl, a New Mineral with Unique Complex Layers in the Novel-Type Crystal Structure. Minerals, 16 (2). doi:10.3390/min16020122 |
| ⓘ Bakakinite (TL) Formula: Ca2V2O7 Type Locality: |
| ⓘ Baryte Formula: BaSO4 References: Pekov, Igor V., Koshlyakova, Natalia N., Zubkova, Natalia V., Belakovskiy, Dmitry I., Vigasina, Marina F., Agakhanov, Atali A., Ksenofontov, Dmitry A., Turchkova, Anna G., Britvin, Sergey N., Sidorov, Evgeny G., Pushcharovsky, Dmitry Yu. (2022) A Natural Vanadate–Arsenate Isomorphous Series with Jeffbenite-Type Structure: New Fumarolic Minerals Udinaite, NaMg4(VO4)3, and Arsenudinaite, NaMg4(AsO4)3. Minerals, 12 (7) 850 doi:10.3390/min12070850 |
| ⓘ Belloite Formula: Cu(OH)Cl Localities: Second scoria cone, Northern Breakthrough (North Breach), Great Fissure eruption (Main Fracture), Tolbachik Volcanic field, Milkovsky District, Kamchatka Krai, RussiaYadovitaya fumarole, Second scoria cone, Northern Breakthrough (North Breach), Great Fissure eruption (Main Fracture), Tolbachik Volcanic field, Milkovsky District, Kamchatka Krai, RussiaGlavnaya Tenoritovaya fumarole (Major Tenorite), Second scoria cone, Northern Breakthrough (North Breach), Great Fissure eruption (Main Fracture), Tolbachik Volcanic field, Milkovsky District, Kamchatka Krai, Russia |
| ⓘ Belomarinaite Formula: KNa(SO4) References: Pekov, Igor V.; Zubkova, Natalia V.; Koshlyakova, Natalia N.; Belakovskiy, Dmitry I.; Vigasina, Marina F.; Agakhanov, Atali A.; Britvin, Sergey N.; Turchkova, Anna G.; Sidorov, Evgeny G.; Zhegunov, Pavel S.; et al. (2025) Achyrophanite, (K,Na)3(Fe3+,Ti,Al,Mg)5O2(AsO4)5, a New Mineral with the Novel Structure Type from Fumarolic Exhalations of the Tolbachik Volcano, Kamchatka, Russia. Minerals, 15 (7). doi:10.3390/min15070706 |
| ⓘ Belousovite (TL) Formula: KZn(SO4)Cl Type Locality: References: Siidra, Oleg I., Nazarchuk, Evgeny V., Lukina, Evgeniya A., Zaitsev, Anatoly N., Shilovskikh, Vladimir V. (2018) Belousovite, KZn(SO4)Cl, a new sulfate mineral from the Tolbachik volcano with apophyllite sheet-topology. Mineralogical Magazine, 82 (5) 1079-1088 doi:10.1180/minmag.2017.081.084 |
| ⓘ Berzeliite Formula: (NaCa2)Mg2(AsO4)3 References: Pekov, Igor V., Koshlyakova, Natalia N., Zubkova, Natalia V., Belakovskiy, Dmitry I., Vigasina, Marina F., Agakhanov, Atali A., Ksenofontov, Dmitry A., Turchkova, Anna G., Britvin, Sergey N., Sidorov, Evgeny G., Pushcharovsky, Dmitry Yu. (2022) A Natural Vanadate–Arsenate Isomorphous Series with Jeffbenite-Type Structure: New Fumarolic Minerals Udinaite, NaMg4(VO4)3, and Arsenudinaite, NaMg4(AsO4)3. Minerals, 12 (7) 850 doi:10.3390/min12070850 Bulakh, M. O., Pekov, I. V., Koshlyakova, N. N., Sidorov, E. G. (2022) Ludwigite and Yuanfuliite from Fumarolic Exhalations of the Tolbachik Volcano, Kamchatka, Russia. Geology of Ore Deposits, 64 (8) 607-621 doi:10.1134/s1075701522080037 Bulakh, M. O; Britvin, S. N; Zubkova, N. V; Yapaskurt, V. O; Agakhanov, A. A; Anikin, L. P; Pekov, I. V (2025) Fredrikssonite from Fumarolic Exhalations of the Tolbachik Volcano (Kamchatka, Russia), its Crystal Structure and Chemical-Genetic Features. Zapiski of the Russian Mineralogical Society, CLIV (3). 56-72 |
| ⓘ Bischofite Formula: MgCl2 · 6H2O |
| ⓘ Blödite Formula: Na2Mg(SO4)2 · 4H2O Localities: Arsenatnaya fumarole, Second scoria cone, Northern Breakthrough (North Breach), Great Fissure eruption (Main Fracture), Tolbachik Volcanic field, Milkovsky District, Kamchatka Krai, RussiaGlavnaya Tenoritovaya fumarole (Major Tenorite), Second scoria cone, Northern Breakthrough (North Breach), Great Fissure eruption (Main Fracture), Tolbachik Volcanic field, Milkovsky District, Kamchatka Krai, RussiaSecond scoria cone, Northern Breakthrough (North Breach), Great Fissure eruption (Main Fracture), Tolbachik Volcanic field, Milkovsky District, Kamchatka Krai, Russia Description: XRD and Wet Chemical by Joy Desor, Gerhard Möhn |
| ⓘ Bobjonesite Formula: (V4+O)(SO4) · 3H2O References: Siidra, Oleg I., Vergasova, Lidiya P., Kretser, Yuri L., Polekhovsky, Yuri S., Filatov, Stanislav K., Krivovichev, Sergey V. (2014) Unique thallium mineralization in the fumaroles of Tolbachik volcano, Kamchatka Peninsula, Russia. III. Evdokimovite, Tl4(VO)3(SO4)5(H2O)5. Mineralogical Magazine, 78 (7) 1711-1724 doi:10.1180/minmag.2014.078.7.14 |
| ⓘ Borisenkoite (TL) Formula: Cu3[(V,As)O4]2 Type Locality: References: Pekov, Igor V., Zubkova, Natalia V., Yapaskurt, Vasiliy O., Polekhovsky, Yury S., Vigasina, Marina F., Britvin, Sergey N., Turchkova, Anna G., Sidorov, Evgeny G., Pushcharovsky, Dmitry Yu. (2020) A new mineral borisenkoite, Cu3[(V,As)O4]2, and the isomorphous series borisenkoite–lammerite-β in fumarolic exhalations of the Tolbachik volcano, Kamchatka, Russia. Physics and Chemistry of Minerals, 47 (3) doi:10.1007/s00269-020-01081-y |
| ⓘ Bradaczekite (TL) Formula: NaCu4(AsO4)3 Localities: Second scoria cone, Northern Breakthrough (North Breach), Great Fissure eruption (Main Fracture), Tolbachik Volcanic field, Milkovsky District, Kamchatka Krai, RussiaArsenatnaya fumarole, Second scoria cone, Northern Breakthrough (North Breach), Great Fissure eruption (Main Fracture), Tolbachik Volcanic field, Milkovsky District, Kamchatka Krai, RussiaYadovitaya fumarole, Second scoria cone, Northern Breakthrough (North Breach), Great Fissure eruption (Main Fracture), Tolbachik Volcanic field, Milkovsky District, Kamchatka Krai, Russia |
| ⓘ Burnsite (TL) Formula: KCdCu2+7(SeO3)2O2Cl9 Type Locality: References: Krivovichev, S. V., Vergasova, L. P., Starova, G. L., Filatov, S. K., Britvin, S. N., Roberts, A. C., Steele, I. M. (2002) Burnsite, KCdCu7O2(SeO3)2Cl9, a new mineral species from the Tolbachik Volcano, Kamchatka Peninsula, Russia. The Canadian Mineralogist, 40 (4) 1171-1175 doi:10.2113/gscanmin.40.4.1171 |
| ⓘ Calciohatertite (TL) Formula: NaNaCa(CaFe3+)(AsO4)3 Type Locality: |
| ⓘ Calciojohillerite (TL) Formula: NaCaMg3(AsO4)3 Type Locality: References: Pekov, I.V., Zubkova, N.V., Agakhanov, A.A., Turchova, A.G., Zhitova, E.S., Pushcharovskii, D.Yu. (2023): New Chladniite Variety from Volcanic Exhalations. The Genetic Crystal Chemistry of Chladniite. Doklady Earth Sciences, 512, 975-988. Pekov, Igor V., Shchipalkina, Nadezhda V., Zubkova, Natalia V., Gurzhiy, Vladislav V., Agakhanov, Atali A., Belakovskiy, Dmitry I., Chukanov, Nikita V., Lykova, Inna S., Vigasina, Marina F., Koshlyakova, Natalia N., Sidorov, Evgeny G., Giester, Gerald (2019) Alkali sulfates with aphthitalite-like structures from fumaroles of the Tolbachik Volcano, Kamchatka, Russia. I. Metathénardite, a natural high-temperature modification of Na2SO4. The Canadian Mineralogist, 57 (6) 885-901 doi:10.3749/canmin.1900050 Shchipalkina, Nadezhda V., Pekov, Igor V., Koshlyakova, Natalia N., Britvin, Sergey N., Zubkova, Natalia V., Varlamov, Dmitry A., Sidorov, Eugeny G. (2020) Unusual silicate mineralization in fumarolic sublimates of the Tolbachik volcano, Kamchatka, Russia – Part 2: Tectosilicates. European Journal of Mineralogy, 32 (1) 121-136 doi:10.5194/ejm-32-121-2020 Pekov, Igor V., Koshlyakova, Natalia N., Agakhanov, Atali A., Zubkova, Natalia V., Belakovskiy, Dmitry I., Vigasina, Marina F., Turchkova, Anna G., Sidorov, Evgeny G., Pushcharovsky, Dmitry Yu. (2021) New arsenate minerals from the Arsenatnaya fumarole, Tolbachik volcano, Kamchatka, Russia. XV. Calciojohillerite, NaCaMgMg2(AsO4)3, a member of the alluaudite group. Mineralogical Magazine, 85 (2) 215-223 doi:10.1180/mgm.2021.2 Bulakh, M. O., Pekov, I. V., Koshlyakova, N. N., Sidorov, E. G. (2022) Ludwigite and Yuanfuliite from Fumarolic Exhalations of the Tolbachik Volcano, Kamchatka, Russia. Geology of Ore Deposits, 64 (8) 607-621 doi:10.1134/s1075701522080037 Pekov, Igor V., Koshlyakova, Natalia N., Zubkova, Natalia V., Belakovskiy, Dmitry I., Vigasina, Marina F., Agakhanov, Atali A., Ksenofontov, Dmitry A., Turchkova, Anna G., Britvin, Sergey N., Sidorov, Evgeny G., Pushcharovsky, Dmitry Yu. (2022) A Natural Vanadate–Arsenate Isomorphous Series with Jeffbenite-Type Structure: New Fumarolic Minerals Udinaite, NaMg4(VO4)3, and Arsenudinaite, NaMg4(AsO4)3. Minerals, 12 (7) 850 doi:10.3390/min12070850 Pekov, Igor V.; Zubkova, Natalia V.; Koshlyakova, Natalia N.; Belakovskiy, Dmitry I.; Vigasina, Marina F.; Agakhanov, Atali A.; Britvin, Sergey N.; Turchkova, Anna G.; Sidorov, Evgeny G.; Zhegunov, Pavel S.; et al. (2025) Achyrophanite, (K,Na)3(Fe3+,Ti,Al,Mg)5O2(AsO4)5, a New Mineral with the Novel Structure Type from Fumarolic Exhalations of the Tolbachik Volcano, Kamchatka, Russia. Minerals, 15 (7). doi:10.3390/min15070706 Bulakh, M. O; Britvin, S. N; Zubkova, N. V; Yapaskurt, V. O; Agakhanov, A. A; Anikin, L. P; Pekov, I. V (2025) Fredrikssonite from Fumarolic Exhalations of the Tolbachik Volcano (Kamchatka, Russia), its Crystal Structure and Chemical-Genetic Features. Zapiski of the Russian Mineralogical Society, CLIV (3). 56-72 Pekov, Igor V.; Zubkova, Natalia V.; Agakhanov, Atali A.; Koshlyakova, Natalia N.; Chukanov, Nikita V.; Yapaskurt, Vasiliy O.; Britvin, Sergey N.; Turchkova, Anna G.; Zhitova, Elena S.; Pushcharovsky, Dmitry Yu. (2026) New arsenate minerals from the Arsenatnaya fumarole, Tolbachik volcano, Kamchatka, Russia. XXI. Magganasite, CuFe3+3O(AsO4)3. Mineralogical Magazine, 90 (2). p.472-480. doi:10.1180/mgm.2025.10141 |
| ⓘ Calciolangbeinite (TL) Formula: K2Ca2(SO4)3 Type Locality: References: Pekov, I. V., Zelenski, M. E., Zubkova, N. V., Yapaskurt, V. O., Chukanov, N. V., Belakovskiy, D. I., Pushcharovsky, D. Y. (2012) Calciolangbeinite, K2Ca2(SO4)3, a new mineral from the Tolbachik volcano, Kamchatka, Russia. Mineralogical Magazine, 76 (3) 673-682 doi:10.1180/minmag.2012.076.3.16 Bulakh, M.O., Pekov, I.V., Koshlyakova, N.N., Britvin, S.N., Nazarova, M.A. (2022) [ Langbeinite-Group Minerals and Vanthoffite from Fumarolic Exhalations of the Tolbachik Volcano (Kamchatka)]. Записки Российского Минералогического Общества [Zapiski RMO (Proceedings of the Russian Mineralogical Society)], 151 (3) 96-122 |
| ⓘ Calcite Formula: CaCO3 |
| ⓘ Carnallite Formula: KMgCl3 · 6H2O References: Pekov, Igor V., Zubkova, Natalia V., Yapaskurt, Vasiliy O., Lykova, Inna S., Belakovskiy, Dmitry I., Vigasina, Marina F., Sidorov, Evgeny G., Britvin, Sergey N., Yu. Pushcharovsky, Dmitry (2015) New zinc and potassium chlorides from fumaroles of the Tolbachik volcano, Kamchatka, Russia: mineral data and crystal chemistry. I. Mellizinkalite, K3Zn2Cl7. European Journal of Mineralogy, 27 (2) 247-253 doi:10.1127/ejm/2015/0027-2430 |
| ⓘ Cassiterite Formula: SnO2 References: Shchipalkina, Nadezhda, Pekov, Igor, Britvin, Sergey, Koshlyakova, Natalia, Vigasina, Marina, Sidorov, Evgeny (2019) A New Mineral Ferrisanidine, K[Fe3+Si3O8], the First Natural Feldspar with Species-Defining Iron. Minerals, 9 (12) 770 doi:10.3390/min9120770 Pekov, Igor V., Shchipalkina, Nadezhda V., Zubkova, Natalia V., Gurzhiy, Vladislav V., Agakhanov, Atali A., Belakovskiy, Dmitry I., Chukanov, Nikita V., Lykova, Inna S., Vigasina, Marina F., Koshlyakova, Natalia N., Sidorov, Evgeny G., Giester, Gerald (2019) Alkali sulfates with aphthitalite-like structures from fumaroles of the Tolbachik Volcano, Kamchatka, Russia. I. Metathénardite, a natural high-temperature modification of Na2SO4. The Canadian Mineralogist, 57 (6) 885-901 doi:10.3749/canmin.1900050 Pekov, Igor V.; Zubkova, Natalia V.; Koshlyakova, Natalia N.; Belakovskiy, Dmitry I.; Vigasina, Marina F.; Agakhanov, Atali A.; Britvin, Sergey N.; Turchkova, Anna G.; Sidorov, Evgeny G.; Zhegunov, Pavel S.; et al. (2025) Achyrophanite, (K,Na)3(Fe3+,Ti,Al,Mg)5O2(AsO4)5, a New Mineral with the Novel Structure Type from Fumarolic Exhalations of the Tolbachik Volcano, Kamchatka, Russia. Minerals, 15 (7). doi:10.3390/min15070706 Pekov, Igor V.; Zubkova, Natalia V.; Agakhanov, Atali A.; Koshlyakova, Natalia N.; Chukanov, Nikita V.; Yapaskurt, Vasiliy O.; Britvin, Sergey N.; Turchkova, Anna G.; Zhitova, Elena S.; Pushcharovsky, Dmitry Yu. (2026) New arsenate minerals from the Arsenatnaya fumarole, Tolbachik volcano, Kamchatka, Russia. XXI. Magganasite, CuFe3+3O(AsO4)3. Mineralogical Magazine, 90 (2). p.472-480. doi:10.1180/mgm.2025.10141 Pekov, Igor V.; Zubkova, Natalia V.; Agakhanov, Atali A.; Belakovskiy, Dmitry I.; Vigasina, Marina F.; Yapaskurt, Vasiliy O.; Britvin, Sergey N.; Turchkova, Anna G.; Sidorov, Evgeny G.; Zhitova, Elena S.; et al. (2026) Polyarsite, Na7CaMgCu2(AsO4)4F2Cl, a New Mineral with Unique Complex Layers in the Novel-Type Crystal Structure. Minerals, 16 (2). doi:10.3390/min16020122 |
| ⓘ Cesiodymite (TL) Formula: CsKCu5O(SO4)5 Type Locality: References: Pekov, Igor V., Zubkova, Natalia V., Agakhanov, Atali A., Pushcharovsky, Dmitry Y., Yapaskurt, Vasiliy O., Belakovskiy, Dmitry I., Vigasina, Marina F., Sidorov, Evgeny G., Britvin, Sergey N. (2018) Cryptochalcite, K2Cu5O(SO4)5, and cesiodymite, CsKCu5O(SO4)5, two new isotypic minerals and the K–Cs isomorphism in this solid-solution series. European Journal of Mineralogy, 30 (3) 593-607 doi:10.1127/ejm/2018/0030-2725 |
| ⓘ Chalcanthite Formula: CuSO4 · 5H2O References: Pekov, I. V., Zubkova, N. V., Zelenski, M. E., Yapaskurt, V. O., Polekhovsky, Yu. S., Fadeeva, O. A., Pushcharovsky, D. Yu. (2013) Yaroshevskite, Cu9O2(VO4)4Cl2, a new mineral from the Tolbachik volcano, Kamchatka, Russia. Mineralogical Magazine, 77 (1) 107-116 doi:10.1180/minmag.2013.077.1.10 |
| ⓘ Chalcocyanite Formula: CuSO4 Localities: Yadovitaya fumarole, Second scoria cone, Northern Breakthrough (North Breach), Great Fissure eruption (Main Fracture), Tolbachik Volcanic field, Milkovsky District, Kamchatka Krai, RussiaFirst scoria cone, Northern Breakthrough (North Breach), Great Fissure eruption (Main Fracture), Tolbachik Volcanic field, Milkovsky District, Kamchatka Krai, RussiaTreschina fumarole, Second scoria cone, Northern Breakthrough (North Breach), Great Fissure eruption (Main Fracture), Tolbachik Volcanic field, Milkovsky District, Kamchatka Krai, RussiaArsenatnaya fumarole, Second scoria cone, Northern Breakthrough (North Breach), Great Fissure eruption (Main Fracture), Tolbachik Volcanic field, Milkovsky District, Kamchatka Krai, RussiaGlavnaya Tenoritovaya fumarole (Major Tenorite), Second scoria cone, Northern Breakthrough (North Breach), Great Fissure eruption (Main Fracture), Tolbachik Volcanic field, Milkovsky District, Kamchatka Krai, Russia |
| ⓘ Challacolloite Formula: KPb2Cl5 Localities: First scoria cone, Northern Breakthrough (North Breach), Great Fissure eruption (Main Fracture), Tolbachik Volcanic field, Milkovsky District, Kamchatka Krai, RussiaNorthern fumarole field, First scoria cone, Northern Breakthrough (North Breach), Great Fissure eruption (Main Fracture), Tolbachik Volcanic field, Milkovsky District, Kamchatka Krai, Russia |
| ⓘ Chladniite Formula: Na3CaMg11(PO4)9 References: Pekov, I.V., Zubkova, N.V., Agakhanov, A.A., Turchova, A.G., Zhitova, E.S., Pushcharovskii, D.Yu. (2023): New Chladniite Variety from Volcanic Exhalations. The Genetic Crystal Chemistry of Chladniite. Doklady Earth Sciences, 512, 975-988. |
| ⓘ Chlorargyrite Formula: AgCl References: Pekov, I. V., Agakhanov, A. A., Zubkova, N. V., Koshlyakova, N. N., Shchipalkina, N. V., Sandalov, F. D., ... & Sidorov, E. G. (2020). Oxidizing-type fumaroles of the Tolbachik Volcano, a mineralogical and geochemical unique. Russian Geology and Geophysics, 61(5-6), 675-688. |
| ⓘ Chlorartinite (TL) Formula: Mg2(CO3)(OH)Cl · 2H2O Type Locality: |
| ⓘ Chloromenite (TL) Formula: Cu9(SeO3)4O2Cl6 Localities: Novaya fumarole, Second scoria cone, Northern Breakthrough (North Breach), Great Fissure eruption (Main Fracture), Tolbachik Volcanic field, Milkovsky District, Kamchatka Krai, RussiaSecond scoria cone, Northern Breakthrough (North Breach), Great Fissure eruption (Main Fracture), Tolbachik Volcanic field, Milkovsky District, Kamchatka Krai, Russia |
| ⓘ Chlorothionite Formula: K2Cu(SO4)Cl2 Localities: Yadovitaya fumarole, Second scoria cone, Northern Breakthrough (North Breach), Great Fissure eruption (Main Fracture), Tolbachik Volcanic field, Milkovsky District, Kamchatka Krai, RussiaGlavnaya Tenoritovaya fumarole (Major Tenorite), Second scoria cone, Northern Breakthrough (North Breach), Great Fissure eruption (Main Fracture), Tolbachik Volcanic field, Milkovsky District, Kamchatka Krai, Russia |
| ⓘ Chromite Formula: Fe2+Cr3+2O4 References: Pekov, Igor, Sandalov, Fedor, Koshlyakova, Natalia, Vigasina, Marina, Polekhovsky, Yury, Britvin, Sergey, Sidorov, Evgeny, Turchkova, Anna (2018) Copper in Natural Oxide Spinels: The New Mineral Thermaerogenite CuAl2O4, Cuprospinel and Cu-Enriched Varieties of Other Spinel-Group Members from Fumaroles of the Tolbachik Volcano, Kamchatka, Russia. Minerals, 8 (11) 498 doi:10.3390/min8110498 |
| ⓘ Chrysothallite (TL) Formula: K6Cu6Tl3+Cl17(OH)4 · H2O Localities: Pyatno fumarole (Spot), Second scoria cone, Northern Breakthrough (North Breach), Great Fissure eruption (Main Fracture), Tolbachik Volcanic field, Milkovsky District, Kamchatka Krai, RussiaGlavnaya Tenoritovaya fumarole (Major Tenorite), Second scoria cone, Northern Breakthrough (North Breach), Great Fissure eruption (Main Fracture), Tolbachik Volcanic field, Milkovsky District, Kamchatka Krai, Russia |
| ⓘ Chubarovite (TL) Formula: KZn2(BO3)Cl2 Localities: Arsenatnaya fumarole, Second scoria cone, Northern Breakthrough (North Breach), Great Fissure eruption (Main Fracture), Tolbachik Volcanic field, Milkovsky District, Kamchatka Krai, RussiaFirst scoria cone, Northern Breakthrough (North Breach), Great Fissure eruption (Main Fracture), Tolbachik Volcanic field, Milkovsky District, Kamchatka Krai, RussiaNorthern fumarole field, First scoria cone, Northern Breakthrough (North Breach), Great Fissure eruption (Main Fracture), Tolbachik Volcanic field, Milkovsky District, Kamchatka Krai, Russia |
| ⓘ Clinoenstatite Formula: MgSiO3 References: Shchipalkina, Nadezhda V., Pekov, Igor V., Koshlyakova, Natalia N., Britvin, Sergey N., Zubkova, Natalia V., Varlamov, Dmitry A., Sidorov, Eugeny G. (2020) Unusual silicate mineralization in fumarolic sublimates of the Tolbachik volcano, Kamchatka, Russia – Part 2: Tectosilicates. European Journal of Mineralogy, 32 (1) 121-136 doi:10.5194/ejm-32-121-2020 |
| ⓘ Cohenite Formula: Fe3C |
| ⓘ Coparsite (TL) Formula: Cu4(AsO4,VO4)O2Cl Localities: Yadovitaya fumarole, Second scoria cone, Northern Breakthrough (North Breach), Great Fissure eruption (Main Fracture), Tolbachik Volcanic field, Milkovsky District, Kamchatka Krai, RussiaGlavnaya Tenoritovaya fumarole (Major Tenorite), Second scoria cone, Northern Breakthrough (North Breach), Great Fissure eruption (Main Fracture), Tolbachik Volcanic field, Milkovsky District, Kamchatka Krai, Russia |
| ⓘ Corundum Formula: Al2O3 Localities: Yadovitaya fumarole, Second scoria cone, Northern Breakthrough (North Breach), Great Fissure eruption (Main Fracture), Tolbachik Volcanic field, Milkovsky District, Kamchatka Krai, RussiaSecond scoria cone, Northern Breakthrough (North Breach), Great Fissure eruption (Main Fracture), Tolbachik Volcanic field, Milkovsky District, Kamchatka Krai, Russia |
| ⓘ Cotunnite Formula: PbCl2 Localities: First scoria cone, Northern Breakthrough (North Breach), Great Fissure eruption (Main Fracture), Tolbachik Volcanic field, Milkovsky District, Kamchatka Krai, RussiaSecond scoria cone, Northern Breakthrough (North Breach), Great Fissure eruption (Main Fracture), Tolbachik Volcanic field, Milkovsky District, Kamchatka Krai, RussiaNorthern fumarole field, First scoria cone, Northern Breakthrough (North Breach), Great Fissure eruption (Main Fracture), Tolbachik Volcanic field, Milkovsky District, Kamchatka Krai, Russia |
| ⓘ Cryobostryxite (TL) Formula: KZnCl3 · 2H2O Type Locality: References: Williams, P. A., Hatert, F., Pasero, M., Mills, S. J. (2014) IMA Commission on New Minerals, Nomenclature and Classification (CNMNC), CNMNC Newsletter No. 22. Mineralogical Magazine, 78 (5) 1241-1248 doi:10.1180/minmag.2014.078.5.10 Pekov, Igor V., Zubkova, Natalia V., Britvin, Sergey N., Yapaskurt, Vasiliy O., Chukanov, Nikita V., Lykova, Inna S., Sidorov, Evgeny G., Pushcharovsky, Dmitry Yu. (2015) New zinc and potassium chlorides from fumaroles of the Tolbachik volcano, Kamchatka, Russia: mineral data and crystal chemistry. III. Cryobostryxite, KZnCl3·2H2O. European Journal of Mineralogy, 27 (6) 805-812 doi:10.1127/ejm/2015/0027-2482 |
| ⓘ Cryptochalcite (TL) Formula: K2Cu5O(SO4)5 Type Locality: References: Pekov, Igor V., Zubkova, Natalia V., Agakhanov, Atali A., Pushcharovsky, Dmitry Y., Yapaskurt, Vasiliy O., Belakovskiy, Dmitry I., Vigasina, Marina F., Sidorov, Evgeny G., Britvin, Sergey N. (2018) Cryptochalcite, K2Cu5O(SO4)5, and cesiodymite, CsKCu5O(SO4)5, two new isotypic minerals and the K–Cs isomorphism in this solid-solution series. European Journal of Mineralogy, 30 (3) 593-607 doi:10.1127/ejm/2018/0030-2725 |
| ⓘ Cuprodobrovolskyite (TL) Formula: Na4Cu(SO4)3 Type Locality: |
| ⓘ Cupromolybdite (TL) Formula: Cu3O(MoO4)2 Type Locality: References: Zelenski, Michael E., Zubkova, Natalia V., Pekov, Igor V., Polekhovsky, Yuri S., Pushcharovsky, Dmitry Y.U. (2012) Cupromolybdite, Cu3O(MoO4)2, a new fumarolic mineral from the Tolbachik volcano, Kamchatka Peninsula, Russia. European Journal of Mineralogy, 24 (4) 749-757 doi:10.1127/0935-1221/2012/0024-2221 Pekov, I. V; Murashko, M. N; Agakhanov, A. A; Vigasina, M. F; Britvin, S. N; Turchkova, A. G (2025) Masaitisite, KCu 5 O 2 (Se 4+ O 3 ) 2 Cl 3 , a New Mineral from Fumarole Exhalations of the Tolbachik Volcano, Kamchatka, Russia. Zapiski of the Russian Mineralogical Society, CLIV (6). 27-39 |
| ⓘ Cuprospinel Formula: Cu2+Fe3+2O4 References: Pekov, Igor, Sandalov, Fedor, Koshlyakova, Natalia, Vigasina, Marina, Polekhovsky, Yury, Britvin, Sergey, Sidorov, Evgeny, Turchkova, Anna (2018) Copper in Natural Oxide Spinels: The New Mineral Thermaerogenite CuAl2O4, Cuprospinel and Cu-Enriched Varieties of Other Spinel-Group Members from Fumaroles of the Tolbachik Volcano, Kamchatka, Russia. Minerals, 8 (11) 498 doi:10.3390/min8110498 |
| ⓘ Cyanochroite Formula: K2Cu(SO4)2 · 6H2O Localities: Second scoria cone, Northern Breakthrough (North Breach), Great Fissure eruption (Main Fracture), Tolbachik Volcanic field, Milkovsky District, Kamchatka Krai, RussiaYadovitaya fumarole, Second scoria cone, Northern Breakthrough (North Breach), Great Fissure eruption (Main Fracture), Tolbachik Volcanic field, Milkovsky District, Kamchatka Krai, Russia |
| ⓘ Diopside Formula: CaMgSi2O6 References: Pekov, I.V., Zubkova, N.V., Agakhanov, A.A., Turchova, A.G., Zhitova, E.S., Pushcharovskii, D.Yu. (2023): New Chladniite Variety from Volcanic Exhalations. The Genetic Crystal Chemistry of Chladniite. Doklady Earth Sciences, 512, 975-988. Shchipalkina, Nadezhda V., Pekov, Igor V., Koshlyakova, Natalia N., Britvin, Sergey N., Zubkova, Natalia V., Varlamov, Dmitry A., Sidorov, Eugeny G. (2020) Unusual silicate mineralization in fumarolic sublimates of the Tolbachik volcano, Kamchatka, Russia – Part 2: Tectosilicates. European Journal of Mineralogy, 32 (1) 121-136 doi:10.5194/ejm-32-121-2020 Pekov, Igor V., Koshlyakova, Natalia N., Zubkova, Natalia V., Belakovskiy, Dmitry I., Vigasina, Marina F., Agakhanov, Atali A., Ksenofontov, Dmitry A., Turchkova, Anna G., Britvin, Sergey N., Sidorov, Evgeny G., Pushcharovsky, Dmitry Yu. (2022) A Natural Vanadate–Arsenate Isomorphous Series with Jeffbenite-Type Structure: New Fumarolic Minerals Udinaite, NaMg4(VO4)3, and Arsenudinaite, NaMg4(AsO4)3. Minerals, 12 (7) 850 doi:10.3390/min12070850 Bulakh, M. O., Pekov, I. V., Koshlyakova, N. N., Sidorov, E. G. (2022) Ludwigite and Yuanfuliite from Fumarolic Exhalations of the Tolbachik Volcano, Kamchatka, Russia. Geology of Ore Deposits, 64 (8) 607-621 doi:10.1134/s1075701522080037 Bulakh, M. O; Britvin, S. N; Zubkova, N. V; Yapaskurt, V. O; Agakhanov, A. A; Anikin, L. P; Pekov, I. V (2025) Fredrikssonite from Fumarolic Exhalations of the Tolbachik Volcano (Kamchatka, Russia), its Crystal Structure and Chemical-Genetic Features. Zapiski of the Russian Mineralogical Society, CLIV (3). 56-72 |
| ⓘ Dioskouriite (TL) Formula: CaCu4Cl6(OH)4 · 4H2O Localities: Arsenatnaya fumarole, Second scoria cone, Northern Breakthrough (North Breach), Great Fissure eruption (Main Fracture), Tolbachik Volcanic field, Milkovsky District, Kamchatka Krai, RussiaGlavnaya Tenoritovaya fumarole (Major Tenorite), Second scoria cone, Northern Breakthrough (North Breach), Great Fissure eruption (Main Fracture), Tolbachik Volcanic field, Milkovsky District, Kamchatka Krai, Russia |
| ⓘ Dmisokolovite (TL) Formula: K3Cu5AlO2(AsO4)4 Type Locality: References: Pekov, Igor V., Zubkova, Natalia V., Belakovskiy, Dmitry I., Yapaskurt, Vasiliy O., Vigasina, Marina F., Sidorov, Evgeny G., Pushcharovsky, Dmitry Yu (2015) New arsenate minerals from the Arsenatnaya fumarole, Tolbachik volcano, Kamchatka, Russia. IV. Shchurovskyite, K2CaCu6O2(AsO4)4 and dmisokolovite, K3Cu5AlO2(AsO4)4. Mineralogical Magazine, 79 (7) 1737-1753 doi:10.1180/minmag.2015.079.7.02 |
| ⓘ Dobrovolskyite (TL) Formula: Na4Ca(SO4)3 Type Locality: References: Shablinskii, A.P., Filatov, S.K., Vergasova, L.P., Moskaleva, S.V., Avdontseva, E.Y., Bubnova, R.S. (2020): Dobrovolskyite, IMA 2019-106 Shablinskii, Andrey P., Filatov, Stanislav K., Krivovichev, Sergey V., Vergasova, Lidiya P., Moskaleva, Svetlana V., Avdontseva, Eugeniya Yu., Knyazev, Alexander V., Bubnova, Rimma S. (2021) Dobrovolskyite, Na4Ca(SO4)3, a new fumarolic sulfate from the Great Tolbachik fissure eruption, Kamchatka Peninsula, Russia. Mineralogical Magazine, 85 (2) 233-241 doi:10.1180/mgm.2021.9 |
| ⓘ Dokuchaevite (TL) Formula: Cu8O2(VO4)3Cl3 Type Locality: References: Siidra, Oleg I., Nazarchuk, Evgeny V., Zaitsev, Anatoly N., Polekhovsky, Yury S., Wenzel, Thomas, Spratt, John (2019) Dokuchaevite, Cu8O2(VO4)3Cl3, a new mineral with remarkably diverse Cu2+ mixed-ligand coordination environments. Mineralogical Magazine, 83 (5) 749-755 doi:10.1180/mgm.2019.41 |
| ⓘ Dolerophanite Formula: Cu2(SO4)O Localities: Yadovitaya fumarole, Second scoria cone, Northern Breakthrough (North Breach), Great Fissure eruption (Main Fracture), Tolbachik Volcanic field, Milkovsky District, Kamchatka Krai, RussiaFirst scoria cone, Northern Breakthrough (North Breach), Great Fissure eruption (Main Fracture), Tolbachik Volcanic field, Milkovsky District, Kamchatka Krai, RussiaTreschina fumarole, Second scoria cone, Northern Breakthrough (North Breach), Great Fissure eruption (Main Fracture), Tolbachik Volcanic field, Milkovsky District, Kamchatka Krai, RussiaGlavnaya Tenoritovaya fumarole (Major Tenorite), Second scoria cone, Northern Breakthrough (North Breach), Great Fissure eruption (Main Fracture), Tolbachik Volcanic field, Milkovsky District, Kamchatka Krai, RussiaNovaya fumarole, Second scoria cone, Northern Breakthrough (North Breach), Great Fissure eruption (Main Fracture), Tolbachik Volcanic field, Milkovsky District, Kamchatka Krai, Russia |
| ⓘ Dravertite (TL) Formula: CuMg(SO4)2 Type Locality: References: Pekov, Igor V., Zubkova, Natalia V., Agakhanov, Atali A., Yapaskurt, Vasiliy O., Chukanov, Nikita V., Belakovskiy, Dmitry I., Sidorov, Evgeny G., Pushcharovsky, Dmitry Y. (2017) Dravertite, CuMg(SO4)2, a new mineral species from the Tolbachik volcano, Kamchatka, Russia. European Journal of Mineralogy, 29 (2) 323-330 doi:10.1127/ejm/2017/0029-2596 |
| ⓘ Dypingite Formula: Mg5(CO3)4(OH)2 · 5H2O |
| ⓘ Eastonite Formula: KMg2Al(Al2Si2O10)(OH)2 References: Shchipalkina, Nadezhda V., Pekov, Igor V., Koshlyakova, Natalia N., Britvin, Sergey N., Zubkova, Natalia V., Varlamov, Dmitry A., Sidorov, Eugeny G. (2020) Unusual silicate mineralization in fumarolic sublimates of the Tolbachik volcano, Kamchatka, Russia – Part 2: Tectosilicates. European Journal of Mineralogy, 32 (1) 121-136 doi:10.5194/ejm-32-121-2020 |
| ⓘ Edtollite (TL) Formula: K2NaCu5Fe3+O2(AsO4)4 Type Locality: References: Pekov, Igor V., Zubkova, Natalia V., Agakhanov, Atali A., Ksenofontov, Dmitry A., Pautov, Leonid A., Sidorov, Evgeny G., Britvin, Sergey N., Vigasina, Marina F., Pushcharovsky, Dmitry Y. (2019) New arsenate minerals from the Arsenatnaya fumarole, Tolbachik volcano, Kamchatka, Russia. X. Edtollite, K2NaCu5Fe3+O2(AsO4)4, and alumoedtollite, K2NaCu5AlO2(AsO4)4. Mineralogical Magazine, 83 (4) 485-495 doi:10.1180/mgm.2018.155 |
| ⓘ Elasmochloite (TL) Formula: Na3Cu6BiO4(SO4)5 Type Locality: References: Pekov, Igor V., Britvin, Sergey N., Agakhanov, Atali A., Vigasina, Marina F., Sidorov, Evgeny G. (2019) Elasmochloite, Na3Cu6BiO4(SO4)5, a new fumarolic mineral from the Tolbachik volcano, Kamchatka, Russia. European Journal of Mineralogy, 31 (5) 1025-1032 doi:10.1127/ejm/2019/0031-2887 |
| ⓘ Eleomelanite (TL) Formula: (K2Pb)Cu4O2(SO4)4 Type Locality: References: Pekov, Igor V., Zubkova, Natalia V., Agakhanov, Atali A., Chukanov, Nikita V., Belakovskiy, Dmitry I., Sidorov, Evgeny G., Britvin, Sergey N., Turchkova, Anna G., Pushcharovsky, Dmitry Yu. (2020) Eleomelanite, (K2Pb)Cu4O2(SO4)4, a new mineral species from the Tolbachik Volcano, Kamchatka, Russia. The Canadian Mineralogist, 58 (5) 625-636 doi:10.3749/canmin.2000032 |
| ⓘ Enstatite Formula: Mg2Si2O6 References: Pekov, I.V., Zubkova, N.V., Agakhanov, A.A., Turchova, A.G., Zhitova, E.S., Pushcharovskii, D.Yu. (2023): New Chladniite Variety from Volcanic Exhalations. The Genetic Crystal Chemistry of Chladniite. Doklady Earth Sciences, 512, 975-988. Shchipalkina, Nadezhda V., Pekov, Igor V., Koshlyakova, Natalia N., Britvin, Sergey N., Zubkova, Natalia V., Varlamov, Dmitry A., Sidorov, Eugeny G. (2020) Unusual silicate mineralization in fumarolic sublimates of the Tolbachik volcano, Kamchatka, Russia – Part 2: Tectosilicates. European Journal of Mineralogy, 32 (1) 121-136 doi:10.5194/ejm-32-121-2020 Pekov, Igor V., Koshlyakova, Natalia N., Zubkova, Natalia V., Belakovskiy, Dmitry I., Vigasina, Marina F., Agakhanov, Atali A., Ksenofontov, Dmitry A., Turchkova, Anna G., Britvin, Sergey N., Sidorov, Evgeny G., Pushcharovsky, Dmitry Yu. (2022) A Natural Vanadate–Arsenate Isomorphous Series with Jeffbenite-Type Structure: New Fumarolic Minerals Udinaite, NaMg4(VO4)3, and Arsenudinaite, NaMg4(AsO4)3. Minerals, 12 (7) 850 doi:10.3390/min12070850 Bulakh, M. O., Pekov, I. V., Koshlyakova, N. N., Sidorov, E. G. (2022) Ludwigite and Yuanfuliite from Fumarolic Exhalations of the Tolbachik Volcano, Kamchatka, Russia. Geology of Ore Deposits, 64 (8) 607-621 doi:10.1134/s1075701522080037 |
| ⓘ Ericlaxmanite (TL) Formula: Cu4O(AsO4)2 Type Locality: References: Pekov, I. V., Zubkova, N. V., Yapaskurt, V. O., Belakovskiy, D. I., Vigasina, M. F., Sidorov, E. G., Pushcharovsky, D. Yu. (2014) New arsenate minerals from the Arsenatnaya fumarole, Tolbachik volcano, Kamchatka, Russia. II. Ericlaxmanite and kozyrevskite, two natural modifications of Cu4O(AsO4)2. Mineralogical Magazine, 78 (7) 1553-1569 doi:10.1180/minmag.2014.078.7.03 |
| ⓘ Eriochalcite Formula: CuCl2 · 2H2O References: Pekov, Igor V., Zubkova, Natalia V., Yapaskurt, Vasiliy O., Lykova, Inna S., Belakovskiy, Dmitry I., Vigasina, Marina F., Sidorov, Evgeny G., Britvin, Sergey N., Yu. Pushcharovsky, Dmitry (2015) New zinc and potassium chlorides from fumaroles of the Tolbachik volcano, Kamchatka, Russia: mineral data and crystal chemistry. I. Mellizinkalite, K3Zn2Cl7. European Journal of Mineralogy, 27 (2) 247-253 doi:10.1127/ejm/2015/0027-2430 |
| ⓘ Esseneite Formula: CaFe3+[AlSiO6] References: Shchipalkina, Nadezhda V., Pekov, Igor V., Koshlyakova, Natalia N., Britvin, Sergey N., Zubkova, Natalia V., Varlamov, Dmitry A., Sidorov, Eugeny G. (2020) Unusual silicate mineralization in fumarolic sublimates of the Tolbachik volcano, Kamchatka, Russia – Part 2: Tectosilicates. European Journal of Mineralogy, 32 (1) 121-136 doi:10.5194/ejm-32-121-2020 |
| ⓘ Euchlorine Formula: KNaCu3(SO4)3O Localities: Reported from at least 6 localities in this region. |
| ⓘ Evdokimovite (TL) Formula: Tl4(VO)3(SO4)5(H2O)5 Type Locality: References: Siidra, Oleg I., Vergasova, Lidiya P., Kretser, Yuri L., Polekhovsky, Yuri S., Filatov, Stanislav K., Krivovichev, Sergey V. (2014) Unique thallium mineralization in the fumaroles of Tolbachik volcano, Kamchatka Peninsula, Russia. III. Evdokimovite, Tl4(VO)3(SO4)5(H2O)5. Mineralogical Magazine, 78 (7) 1711-1724 doi:10.1180/minmag.2014.078.7.14 |
| ⓘ Evseevite (TL) Formula: Na2Mg(AsO4)F Type Locality: References: Pekov, I. V., Zubkova, N. V., Agakhanov, A. A., Belakovskiy, D. I., Vigasina, M. F., Yapaskurt, V. O., Britvin, S. N., Turchkova, A. G., Sidorov, E. G., Pushcharovsky, D. Y. (2019) CNMNC Newsletter No. 52, New minerals and nomenclature modifications approved in 2019. Mineralogical Magazine, 83 (6) 887-893 doi:10.1180/mgm.2019.73 Pekov, Igor V.; Zubkova, Natalia V.; Agakhanov, Atali A.; Belakovskiy, Dmitry I.; Vigasina, Marina F.; Yapaskurt, Vasiliy O.; Britvin, Sergey N.; Turchkova, Anna G.; Sidorov, Evgeny G.; Zhitova, Elena S.; et al. (2026) Polyarsite, Na7CaMgCu2(AsO4)4F2Cl, a New Mineral with Unique Complex Layers in the Novel-Type Crystal Structure. Minerals, 16 (2). doi:10.3390/min16020122 |
| ⓘ Fedotovite Formula: K2Cu3(SO4)3O Localities: Yadovitaya fumarole, Second scoria cone, Northern Breakthrough (North Breach), Great Fissure eruption (Main Fracture), Tolbachik Volcanic field, Milkovsky District, Kamchatka Krai, RussiaSecond scoria cone, Northern Breakthrough (North Breach), Great Fissure eruption (Main Fracture), Tolbachik Volcanic field, Milkovsky District, Kamchatka Krai, RussiaTreschina fumarole, Second scoria cone, Northern Breakthrough (North Breach), Great Fissure eruption (Main Fracture), Tolbachik Volcanic field, Milkovsky District, Kamchatka Krai, RussiaArsenatnaya fumarole, Second scoria cone, Northern Breakthrough (North Breach), Great Fissure eruption (Main Fracture), Tolbachik Volcanic field, Milkovsky District, Kamchatka Krai, Russia |
ⓘ 'Feldspar Group'References: Shchipalkina, Nadezhda V., Pekov, Igor V., Koshlyakova, Natalia N., Britvin, Sergey N., Zubkova, Natalia V., Varlamov, Dmitry A., Sidorov, Eugeny G. (2020) Unusual silicate mineralization in fumarolic sublimates of the Tolbachik volcano, Kamchatka, Russia – Part 2: Tectosilicates. European Journal of Mineralogy, 32 (1) 121-136 doi:10.5194/ejm-32-121-2020 |
| ⓘ Feodosiyite (TL) Formula: Cu11Mg2Cl18(OH)8 · 16H2O Type Locality: References: Pekov, Igor V., Zubkova, Natalia V., Yapaskurt, Vasiliy O., Belakovskiy, Dmitry I., Lykova, Inna S., Vigasina, Marina F., Ksenofontov, Dmitry A., Britvin, Sergey N., Sidorov, Evgeny G., Khanin, Dmitry A., Pushcharovsky, Dmitry Yu. (2018) Feodosiyite, Cu11Mg2Cl18(OH)8·16H2O, a new mineral from the Tolbachik volcano, Kamchatka, Russia. Neues Jahrbuch für Mineralogie - Abhandlungen Journal of Mineralogy and Geochemistry, 195 (1) 27-39 doi:10.1127/njma/2017/0081 |
| ⓘ Ferrisanidine (TL) Formula: K[Fe3+Si3O8] Type Locality: References: Shchipalkina, Nadezhda, Pekov, Igor, Britvin, Sergey, Koshlyakova, Natalia, Vigasina, Marina, Sidorov, Evgeny (2019) A New Mineral Ferrisanidine, K[Fe3+Si3O8], the First Natural Feldspar with Species-Defining Iron. Minerals, 9 (12) 770 doi:10.3390/min9120770 Shchipalkina, Nadezhda V., Pekov, Igor V., Koshlyakova, Natalia N., Britvin, Sergey N., Zubkova, Natalia V., Varlamov, Dmitry A., Sidorov, Eugeny G. (2020) Unusual silicate mineralization in fumarolic sublimates of the Tolbachik volcano, Kamchatka, Russia – Part 2: Tectosilicates. European Journal of Mineralogy, 32 (1) 121-136 doi:10.5194/ejm-32-121-2020 Pekov, Igor V.; Zubkova, Natalia V.; Agakhanov, Atali A.; Belakovskiy, Dmitry I.; Vigasina, Marina F.; Yapaskurt, Vasiliy O.; Britvin, Sergey N.; Turchkova, Anna G.; Sidorov, Evgeny G.; Zhitova, Elena S.; et al. (2026) Polyarsite, Na7CaMgCu2(AsO4)4F2Cl, a New Mineral with Unique Complex Layers in the Novel-Type Crystal Structure. Minerals, 16 (2). doi:10.3390/min16020122 |
| ⓘ Filatovite (TL) Formula: K(Al,Zn)2(As,Si)2O8 Type Locality: References: Vergasova, Lidiya P., Krivovichev, Sergey V., Britvin, Sergey N., Burns, Peter N., Ananiev, Vladimir V. (2004) Filatovite, K(Al,Zn)2(As,Si)2O8, a new mineral species from the Tolbachik volcano, Kamchatka peninsula, Russia. European Journal of Mineralogy, 16 (3) 533-536 doi:10.1127/0935-1221/2004/0016-0533 |
| ⓘ Flinteite (TL) Formula: K2ZnCl4 Localities: Northern fumarole field, First scoria cone, Northern Breakthrough (North Breach), Great Fissure eruption (Main Fracture), Tolbachik Volcanic field, Milkovsky District, Kamchatka Krai, RussiaFirst scoria cone, Northern Breakthrough (North Breach), Great Fissure eruption (Main Fracture), Tolbachik Volcanic field, Milkovsky District, Kamchatka Krai, RussiaArsenatnaya fumarole, Second scoria cone, Northern Breakthrough (North Breach), Great Fissure eruption (Main Fracture), Tolbachik Volcanic field, Milkovsky District, Kamchatka Krai, RussiaGlavnaya Tenoritovaya fumarole (Major Tenorite), Second scoria cone, Northern Breakthrough (North Breach), Great Fissure eruption (Main Fracture), Tolbachik Volcanic field, Milkovsky District, Kamchatka Krai, Russia |
| ⓘ Fluoborite Formula: Mg3(BO3)(F,OH)3 References: Pekov, I. V., Zubkova, N. V., Yapaskurt, V. O., Belakovskiy, D. I., Chukanov, N. V., Lykova, I. S., Savelyev, D. P., Sidorov, E. G., Pushcharovsky, D. Y. (2014) Wulffite, K3NaCu4O2(SO4)4, and parawulffite, K5Na3Cu8O4(SO4)8, two new minerals from fumarole sublimates of the Tolbachik Volcano, Kamchatka, Russia. The Canadian Mineralogist, 52 (4) 699-716 doi:10.3749/canmin.1400018 Zubkova, N. V., Pekov, I. V., Ksenofontov, D. A., Yapaskurt, V. O., Pushcharovsky, D. Yu., Sidorov, E. G. (2018) Arcanite from Fumarole Exhalations of the Tolbachik Volcano (Kamchatka, Russia) and Its Crystal Structure. Doklady Earth Sciences, 479 (1) 339-341 doi:10.1134/s1028334x18030121 Pekov, Igor V., Shchipalkina, Nadezhda V., Zubkova, Natalia V., Gurzhiy, Vladislav V., Agakhanov, Atali A., Belakovskiy, Dmitry I., Chukanov, Nikita V., Lykova, Inna S., Vigasina, Marina F., Koshlyakova, Natalia N., Sidorov, Evgeny G., Giester, Gerald (2019) Alkali sulfates with aphthitalite-like structures from fumaroles of the Tolbachik Volcano, Kamchatka, Russia. I. Metathénardite, a natural high-temperature modification of Na2SO4. The Canadian Mineralogist, 57 (6) 885-901 doi:10.3749/canmin.1900050 Pekov, Igor V.; Britvin, Sergey N.; Bulakh, Maria O.; Belakovskiy, Dmitry I.; Yapaskurt, Vasiliy O.; Turchkova, Anna G.; Anikin, Leonid P. (2025) Kantorite, K2NaMg(SO4)2F, a new fumarolic mineral from the Tolbachik volcano, Kamchatka, Russia. Mineralogical Magazine, 89 (5). 575-581 doi:10.1180/mgm.2025.23 |
| ⓘ Fluorapatite Formula: Ca5(PO4)3F References: Pekov, I.V., Zubkova, N.V., Agakhanov, A.A., Turchova, A.G., Zhitova, E.S., Pushcharovskii, D.Yu. (2023): New Chladniite Variety from Volcanic Exhalations. The Genetic Crystal Chemistry of Chladniite. Doklady Earth Sciences, 512, 975-988. Pekov, Igor V., Koshlyakova, Natalia N., Zubkova, Natalia V., Belakovskiy, Dmitry I., Vigasina, Marina F., Agakhanov, Atali A., Ksenofontov, Dmitry A., Turchkova, Anna G., Britvin, Sergey N., Sidorov, Evgeny G., Pushcharovsky, Dmitry Yu. (2022) A Natural Vanadate–Arsenate Isomorphous Series with Jeffbenite-Type Structure: New Fumarolic Minerals Udinaite, NaMg4(VO4)3, and Arsenudinaite, NaMg4(AsO4)3. Minerals, 12 (7) 850 doi:10.3390/min12070850 |
| ⓘ Fluorite Formula: CaF2 Localities: First scoria cone, Northern Breakthrough (North Breach), Great Fissure eruption (Main Fracture), Tolbachik Volcanic field, Milkovsky District, Kamchatka Krai, RussiaNorthern fumarole field, First scoria cone, Northern Breakthrough (North Breach), Great Fissure eruption (Main Fracture), Tolbachik Volcanic field, Milkovsky District, Kamchatka Krai, RussiaArsenatnaya fumarole, Second scoria cone, Northern Breakthrough (North Breach), Great Fissure eruption (Main Fracture), Tolbachik Volcanic field, Milkovsky District, Kamchatka Krai, Russia |
| ⓘ Fluorophlogopite Formula: KMg3(Si3Al)O10F2 Localities: Arsenatnaya fumarole, Second scoria cone, Northern Breakthrough (North Breach), Great Fissure eruption (Main Fracture), Tolbachik Volcanic field, Milkovsky District, Kamchatka Krai, RussiaGlavnaya Tenoritovaya fumarole (Major Tenorite), Second scoria cone, Northern Breakthrough (North Breach), Great Fissure eruption (Main Fracture), Tolbachik Volcanic field, Milkovsky District, Kamchatka Krai, RussiaSecond scoria cone, Northern Breakthrough (North Breach), Great Fissure eruption (Main Fracture), Tolbachik Volcanic field, Milkovsky District, Kamchatka Krai, Russia |
| ⓘ Forsterite Formula: Mg2(SiO4) References: Pekov, I.V., Zubkova, N.V., Agakhanov, A.A., Turchova, A.G., Zhitova, E.S., Pushcharovskii, D.Yu. (2023): New Chladniite Variety from Volcanic Exhalations. The Genetic Crystal Chemistry of Chladniite. Doklady Earth Sciences, 512, 975-988. Shchipalkina, Nadezhda V., Pekov, Igor V., Koshlyakova, Natalia N., Britvin, Sergey N., Zubkova, Natalia V., Varlamov, Dmitry A., Sidorov, Eugeny G. (2020) Unusual silicate mineralization in fumarolic sublimates of the Tolbachik volcano, Kamchatka, Russia – Part 2: Tectosilicates. European Journal of Mineralogy, 32 (1) 121-136 doi:10.5194/ejm-32-121-2020 Pekov, Igor V., Koshlyakova, Natalia N., Zubkova, Natalia V., Belakovskiy, Dmitry I., Vigasina, Marina F., Agakhanov, Atali A., Ksenofontov, Dmitry A., Turchkova, Anna G., Britvin, Sergey N., Sidorov, Evgeny G., Pushcharovsky, Dmitry Yu. (2022) A Natural Vanadate–Arsenate Isomorphous Series with Jeffbenite-Type Structure: New Fumarolic Minerals Udinaite, NaMg4(VO4)3, and Arsenudinaite, NaMg4(AsO4)3. Minerals, 12 (7) 850 doi:10.3390/min12070850 Bulakh, M. O., Pekov, I. V., Koshlyakova, N. N., Sidorov, E. G. (2022) Ludwigite and Yuanfuliite from Fumarolic Exhalations of the Tolbachik Volcano, Kamchatka, Russia. Geology of Ore Deposits, 64 (8) 607-621 doi:10.1134/s1075701522080037 Bulakh, M. O; Britvin, S. N; Zubkova, N. V; Yapaskurt, V. O; Agakhanov, A. A; Anikin, L. P; Pekov, I. V (2025) Fredrikssonite from Fumarolic Exhalations of the Tolbachik Volcano (Kamchatka, Russia), its Crystal Structure and Chemical-Genetic Features. Zapiski of the Russian Mineralogical Society, CLIV (3). 56-72 |
| ⓘ Franklinite Formula: Zn2+Fe3+2O4 References: Pekov, Igor, Sandalov, Fedor, Koshlyakova, Natalia, Vigasina, Marina, Polekhovsky, Yury, Britvin, Sergey, Sidorov, Evgeny, Turchkova, Anna (2018) Copper in Natural Oxide Spinels: The New Mineral Thermaerogenite CuAl2O4, Cuprospinel and Cu-Enriched Varieties of Other Spinel-Group Members from Fumaroles of the Tolbachik Volcano, Kamchatka, Russia. Minerals, 8 (11) 498 doi:10.3390/min8110498 |
| ⓘ Fredrikssonite Formula: Mg2Mn3+O2(BO3) References: Bulakh, M. O; Britvin, S. N; Zubkova, N. V; Yapaskurt, V. O; Agakhanov, A. A; Anikin, L. P; Pekov, I. V (2025) Fredrikssonite from Fumarolic Exhalations of the Tolbachik Volcano (Kamchatka, Russia), its Crystal Structure and Chemical-Genetic Features. Zapiski of the Russian Mineralogical Society, CLIV (3). 56-72 |
| ⓘ Gahnite Formula: ZnAl2O4 References: Pekov, Igor, Sandalov, Fedor, Koshlyakova, Natalia, Vigasina, Marina, Polekhovsky, Yury, Britvin, Sergey, Sidorov, Evgeny, Turchkova, Anna (2018) Copper in Natural Oxide Spinels: The New Mineral Thermaerogenite CuAl2O4, Cuprospinel and Cu-Enriched Varieties of Other Spinel-Group Members from Fumaroles of the Tolbachik Volcano, Kamchatka, Russia. Minerals, 8 (11) 498 doi:10.3390/min8110498 |
| ⓘ 'Garnet Group' Formula: X3Z2(SiO4)3 References: Pekov, Igor V., Koshlyakova, Natalia N., Zubkova, Natalia V., Belakovskiy, Dmitry I., Vigasina, Marina F., Agakhanov, Atali A., Ksenofontov, Dmitry A., Turchkova, Anna G., Britvin, Sergey N., Sidorov, Evgeny G., Pushcharovsky, Dmitry Yu. (2022) A Natural Vanadate–Arsenate Isomorphous Series with Jeffbenite-Type Structure: New Fumarolic Minerals Udinaite, NaMg4(VO4)3, and Arsenudinaite, NaMg4(AsO4)3. Minerals, 12 (7) 850 doi:10.3390/min12070850 |
| ⓘ 'Garnet Supergroup' Formula: X3 Z2(TO4)3 References: Bulakh, M. O., Pekov, I. V., Koshlyakova, N. N., Sidorov, E. G. (2022) Ludwigite and Yuanfuliite from Fumarolic Exhalations of the Tolbachik Volcano, Kamchatka, Russia. Geology of Ore Deposits, 64 (8) 607-621 doi:10.1134/s1075701522080037 |
| ⓘ Georgbokiite Formula: Cu5(SeO3)2O2Cl2 |
| ⓘ Glauberite Formula: Na2Ca(SO4)2 References: Pekov, Igor V., Shchipalkina, Nadezhda V., Zubkova, Natalia V., Gurzhiy, Vladislav V., Agakhanov, Atali A., Belakovskiy, Dmitry I., Chukanov, Nikita V., Lykova, Inna S., Vigasina, Marina F., Koshlyakova, Natalia N., Sidorov, Evgeny G., Giester, Gerald (2019) Alkali sulfates with aphthitalite-like structures from fumaroles of the Tolbachik Volcano, Kamchatka, Russia. I. Metathénardite, a natural high-temperature modification of Na2SO4. The Canadian Mineralogist, 57 (6) 885-901 doi:10.3749/canmin.1900050 |
| ⓘ Glikinite (TL) Formula: Zn3O(SO4)2 Type Locality: References: Miyawaki, Ritsuro, Hålenius, Ulf, Hatert, Frédéric, Pasero, Marco, Mills, Stuart J. (2019) IMA Commission on New Minerals, Nomenclature and Classification (CNMNC) NEWSLETTER 47. European Journal of Mineralogy, 31 (1) 197-202 doi:10.1127/ejm/2019/0031-2839 Nazarchuk, Evgeny V., Siidra, Oleg I., Nekrasova, Diana O., Shilovskikh, Vladimir V., Borisov, Artem S., Avdontseva, Evgeniya Y. (2020) Glikinite, Zn3O(SO4)2, a new anhydrous zinc oxysulfate mineral structurally based on OZn4 tetrahedra. Mineralogical Magazine, 84 (4) 563-567 doi:10.1180/mgm.2020.33 |
| ⓘ Grigorievite (TL) Formula: Cu3Fe3+2Al2(VO4)6 Type Locality: |
| ⓘ Gypsum Formula: CaSO4 · 2H2O Localities: Northern Breakthrough (North Breach), Great Fissure eruption (Main Fracture), Tolbachik Volcanic field, Milkovsky District, Kamchatka Krai, RussiaYadovitaya fumarole, Second scoria cone, Northern Breakthrough (North Breach), Great Fissure eruption (Main Fracture), Tolbachik Volcanic field, Milkovsky District, Kamchatka Krai, RussiaNorthern fumarole field, First scoria cone, Northern Breakthrough (North Breach), Great Fissure eruption (Main Fracture), Tolbachik Volcanic field, Milkovsky District, Kamchatka Krai, RussiaGlavnaya Tenoritovaya fumarole (Major Tenorite), Second scoria cone, Northern Breakthrough (North Breach), Great Fissure eruption (Main Fracture), Tolbachik Volcanic field, Milkovsky District, Kamchatka Krai, RussiaSecond scoria cone, Northern Breakthrough (North Breach), Great Fissure eruption (Main Fracture), Tolbachik Volcanic field, Milkovsky District, Kamchatka Krai, Russia |
| ⓘ Halite Formula: NaCl Localities: Northern fumarole field, First scoria cone, Northern Breakthrough (North Breach), Great Fissure eruption (Main Fracture), Tolbachik Volcanic field, Milkovsky District, Kamchatka Krai, RussiaArsenatnaya fumarole, Second scoria cone, Northern Breakthrough (North Breach), Great Fissure eruption (Main Fracture), Tolbachik Volcanic field, Milkovsky District, Kamchatka Krai, RussiaFirst scoria cone, Northern Breakthrough (North Breach), Great Fissure eruption (Main Fracture), Tolbachik Volcanic field, Milkovsky District, Kamchatka Krai, RussiaSecond scoria cone, Northern Breakthrough (North Breach), Great Fissure eruption (Main Fracture), Tolbachik Volcanic field, Milkovsky District, Kamchatka Krai, RussiaGlavnaya Tenoritovaya fumarole (Major Tenorite), Second scoria cone, Northern Breakthrough (North Breach), Great Fissure eruption (Main Fracture), Tolbachik Volcanic field, Milkovsky District, Kamchatka Krai, Russia |
| ⓘ Hatertite (TL) Formula: Na2(Ca,Na)(Fe3+,Cu)2(AsO4)3 Localities: Northern Breakthrough (North Breach), Great Fissure eruption (Main Fracture), Tolbachik Volcanic field, Milkovsky District, Kamchatka Krai, RussiaArsenatnaya fumarole, Second scoria cone, Northern Breakthrough (North Breach), Great Fissure eruption (Main Fracture), Tolbachik Volcanic field, Milkovsky District, Kamchatka Krai, Russia |
| ⓘ Haüyne Formula: Na3Ca(Si3Al3)O12(SO4) References: Shchipalkina, Nadezhda V., Pekov, Igor V., Koshlyakova, Natalia N., Britvin, Sergey N., Zubkova, Natalia V., Varlamov, Dmitry A., Sidorov, Eugeny G. (2020) Unusual silicate mineralization in fumarolic sublimates of the Tolbachik volcano, Kamchatka, Russia – Part 2: Tectosilicates. European Journal of Mineralogy, 32 (1) 121-136 doi:10.5194/ejm-32-121-2020 |
| ⓘ Hematite Formula: Fe2O3 Localities: Reported from at least 6 localities in this region. |
| ⓘ Hermannjahnite (TL) Formula: CuZn(SO4)2 Type Locality: References: Siidra, Oleg I., Nazarchuk, Evgeny V., Agakhanov, Atali A., Lukina, Evgeniya A., Zaitsev, Anatoly N., Turner, Rick, Filatov, Stanislav K., Pekov, Igor V., Karpov, Gennady A., Yapaskurt, Vasiliy O. (2018) Hermannjahnite, CuZn(SO4)2, a new mineral with chalcocyanite derivative structure from the Naboko scoria cone of the 2012–2013 fissure eruption at Tolbachik volcano, Kamchatka, Russia. Mineralogy and Petrology, 112 (1) 123-134 doi:10.1007/s00710-017-0520-4 |
| ⓘ Hollandite Formula: Ba(Mn4+6Mn3+2)O16 References: Pekov, Igor V., Zubkova, Natalia V., Yapaskurt, Vasiliy O., Britvin, Sergey N., Vigasina, Marina F., Sidorov, Evgeny G., Pushcharovsky, Dmitry . YU (2015) New zinc and potassium chlorides from fumaroles of the Tolbachik volcano, Kamchatka, Russia: mineral data and crystal chemistry. II. Flinteite, K2ZnCl4. European Journal of Mineralogy, 27 (4) 581-588 doi:10.1127/ejm/2015/0027-2459 Pekov, Igor V., Zubkova, Natalia V., Britvin, Sergey N., Yapaskurt, Vasiliy O., Chukanov, Nikita V., Lykova, Inna S., Sidorov, Evgeny G., Pushcharovsky, Dmitry Yu. (2015) New zinc and potassium chlorides from fumaroles of the Tolbachik volcano, Kamchatka, Russia: mineral data and crystal chemistry. III. Cryobostryxite, KZnCl3·2H2O. European Journal of Mineralogy, 27 (6) 805-812 doi:10.1127/ejm/2015/0027-2482 |
| ⓘ Hydrokenoralstonite Formula: Na0.5(Al,Mg)2(F,OH)6 · H2O Localities: First scoria cone, Northern Breakthrough (North Breach), Great Fissure eruption (Main Fracture), Tolbachik Volcanic field, Milkovsky District, Kamchatka Krai, RussiaNorthern fumarole field, First scoria cone, Northern Breakthrough (North Breach), Great Fissure eruption (Main Fracture), Tolbachik Volcanic field, Milkovsky District, Kamchatka Krai, RussiaSecond scoria cone, Northern Breakthrough (North Breach), Great Fissure eruption (Main Fracture), Tolbachik Volcanic field, Milkovsky District, Kamchatka Krai, Russia |
| ⓘ Hydromagnesite Formula: Mg5(CO3)4(OH)2 · 4H2O |
| ⓘ 'Hydrophilite' |
| ⓘ Ilinskite (TL) Formula: (Na,K)Cu5(SeO3)2O2Cl3 Type Locality: |
| ⓘ Indialite Formula: Mg2Al3(AlSi5O18) References: Shchipalkina, Nadezhda V., Pekov, Igor V., Koshlyakova, Natalia N., Britvin, Sergey N., Zubkova, Natalia V., Varlamov, Dmitry A., Sidorov, Eugeny G. (2020) Unusual silicate mineralization in fumarolic sublimates of the Tolbachik volcano, Kamchatka, Russia – Part 2: Tectosilicates. European Journal of Mineralogy, 32 (1) 121-136 doi:10.5194/ejm-32-121-2020 |
| ⓘ Jakobssonite Formula: CaAlF5 References: Pekov, Igor V., Zubkova, Natalia V., Britvin, Sergey N., Yapaskurt, Vasiliy O., Chukanov, Nikita V., Lykova, Inna S., Sidorov, Evgeny G., Pushcharovsky, Dmitry Yu. (2015) New zinc and potassium chlorides from fumaroles of the Tolbachik volcano, Kamchatka, Russia: mineral data and crystal chemistry. III. Cryobostryxite, KZnCl3·2H2O. European Journal of Mineralogy, 27 (6) 805-812 doi:10.1127/ejm/2015/0027-2482 |
| ⓘ Johillerite Formula: Na(Mg,Zn)3Cu(AsO4)3 Localities: Northern Breakthrough (North Breach), Great Fissure eruption (Main Fracture), Tolbachik Volcanic field, Milkovsky District, Kamchatka Krai, RussiaArsenatnaya fumarole, Second scoria cone, Northern Breakthrough (North Breach), Great Fissure eruption (Main Fracture), Tolbachik Volcanic field, Milkovsky District, Kamchatka Krai, RussiaGlavnaya Tenoritovaya fumarole (Major Tenorite), Second scoria cone, Northern Breakthrough (North Breach), Great Fissure eruption (Main Fracture), Tolbachik Volcanic field, Milkovsky District, Kamchatka Krai, RussiaNovaya fumarole, Second scoria cone, Northern Breakthrough (North Breach), Great Fissure eruption (Main Fracture), Tolbachik Volcanic field, Milkovsky District, Kamchatka Krai, RussiaSecond scoria cone, Northern Breakthrough (North Breach), Great Fissure eruption (Main Fracture), Tolbachik Volcanic field, Milkovsky District, Kamchatka Krai, Russia |
| ⓘ Kainite Formula: KMg(SO4)Cl · 3H2O References: Pekov, Igor V., Zubkova, Natalia V., Yapaskurt, Vasiliy O., Lykova, Inna S., Belakovskiy, Dmitry I., Vigasina, Marina F., Sidorov, Evgeny G., Britvin, Sergey N., Yu. Pushcharovsky, Dmitry (2015) New zinc and potassium chlorides from fumaroles of the Tolbachik volcano, Kamchatka, Russia: mineral data and crystal chemistry. I. Mellizinkalite, K3Zn2Cl7. European Journal of Mineralogy, 27 (2) 247-253 doi:10.1127/ejm/2015/0027-2430 |
| ⓘ Kainotropite (TL) Formula: Cu4Fe3+O2(V2O7)(VO4) Type Locality: Description: It forms prismatic crystals up to 0.2 × 0.2 × 0.5 mm3, isolated or combined in clusters up to 0.7 mm across. References: Pekov, Igor V., Zubkova, Natalia V., Yapaskurt, Vasiliy O., Polekhovsky, Yury S., Britvin, Sergey N., Turchkova, Anna G., Sidorov, Evgeny G., Pushcharovsky, Dmitry Yu. (2020) Kainotropite, Cu4Fe3+O2(V2O7)(VO4), a new mineral with a complex vanadate anion from fumarolic exhalations of the Tolbachik volcano, Kamchatka, Russia. The Canadian Mineralogist, 58 (2) 155-165 doi:10.3749/canmin.1900073 |
| ⓘ Kaliochalcite (TL) Formula: KCu2(SO4)2[(OH)(H2O)] Localities: Yadovitaya fumarole, Second scoria cone, Northern Breakthrough (North Breach), Great Fissure eruption (Main Fracture), Tolbachik Volcanic field, Milkovsky District, Kamchatka Krai, RussiaArsenatnaya fumarole, Second scoria cone, Northern Breakthrough (North Breach), Great Fissure eruption (Main Fracture), Tolbachik Volcanic field, Milkovsky District, Kamchatka Krai, Russia |
| ⓘ Kalithallite (TL) Formula: K3Tl3+Cl6 · 2H2O Type Locality: References: Pekov, Igor V., Krzhizhanovskaya, Maria G., Yapaskurt, Vasiliy O., Belakovskiy, Dmitry I., Sidorov, Evgeny G., Zhegunov, Pavel S. (2023) Kalithallite, K3Tl3+Cl6⋅2H2O, a new mineral with trivalent thallium from the Tolbachik volcano, Kamchatka, Russia. Mineralogical Magazine, 87 (2) 186-193 doi:10.1180/mgm.2022.124 |
| ⓘ Kalsilite Formula: KAlSiO4 References: Shchipalkina, Nadezhda V., Pekov, Igor V., Koshlyakova, Natalia N., Britvin, Sergey N., Zubkova, Natalia V., Varlamov, Dmitry A., Sidorov, Eugeny G. (2020) Unusual silicate mineralization in fumarolic sublimates of the Tolbachik volcano, Kamchatka, Russia – Part 2: Tectosilicates. European Journal of Mineralogy, 32 (1) 121-136 doi:10.5194/ejm-32-121-2020 |
| ⓘ Kamchatkite (TL) Formula: KCu3(SO4)2OCl Localities: Yadovitaya fumarole, Second scoria cone, Northern Breakthrough (North Breach), Great Fissure eruption (Main Fracture), Tolbachik Volcanic field, Milkovsky District, Kamchatka Krai, RussiaSecond scoria cone, Northern Breakthrough (North Breach), Great Fissure eruption (Main Fracture), Tolbachik Volcanic field, Milkovsky District, Kamchatka Krai, RussiaGlavnaya Tenoritovaya fumarole (Major Tenorite), Second scoria cone, Northern Breakthrough (North Breach), Great Fissure eruption (Main Fracture), Tolbachik Volcanic field, Milkovsky District, Kamchatka Krai, Russia |
| ⓘ Kantorite (TL) Formula: K2NaMg(SO4)2F Type Locality: References: Pekov, I. V., Britvin, S. N., Bulakh, M. O., Belakovskiy, D. I., Yapaskurt, V. O., Turchkova, A. G., and Anikin, L. P.: Kantorite, IMA 2024-042, in: CNMNC Newsletter 81, Eur. J. Mineral., 36, https://doi.org/10.5194/ejm-36-917-2024, 2024. Pekov, Igor V.; Britvin, Sergey N.; Bulakh, Maria O.; Belakovskiy, Dmitry I.; Yapaskurt, Vasiliy O.; Turchkova, Anna G.; Anikin, Leonid P. (2025) Kantorite, K2NaMg(SO4)2F, a new fumarolic mineral from the Tolbachik volcano, Kamchatka, Russia. Mineralogical Magazine, 89 (5). 575-581 doi:10.1180/mgm.2025.23 |
| ⓘ Karlditmarite (TL) Formula: Cu9O4(PO4)2(SO4)2 Type Locality: |
| ⓘ Karpovite (TL) Formula: Tl2VO(SO4)2(H2O) Type Locality: References: Siidra, Oleg I., Vergasova, Lidiya P., Kretser, Yuri L., Polekhovsky, Yuri S., Filatov, Stanislav K., Krivovichev, Sergey V. (2014) Unique thallium mineralization in the fumaroles of Tolbachik volcano, Kamchatka Peninsula, Russia. III. Evdokimovite, Tl4(VO)3(SO4)5(H2O)5. Mineralogical Magazine, 78 (7) 1711-1724 doi:10.1180/minmag.2014.078.7.14 Siidra, Oleg I., Vergasova, Lidiya P., Kretser, Yuri L., Polekhovsky, Yuri S., Filatov, Stanislav K., Krivovichev, Sergey V. (2014) Unique thallium mineralization in the fumaroles of the Tolbachik volcano, Kamchatka Peninsula, Russia. II. Karpovite, Tl2VO(SO4)2(H2O) Mineralogical Magazine, 78 (7) 1699-1709 doi:10.1180/minmag.2014.078.7.13 |
| ⓘ Katiarsite (TL) Formula: KTiO(AsO4) Type Locality: References: Pekov, Igor V., Yapaskurt, Vasiliy O., Britvin, Sergey N., Zubkova, Natalia V., Vigasina, Marina F., Sidorov, Evgeny G. (2016) New arsenate minerals from the Arsenatnaya fumarole, Tolbachik volcano, Kamchatka, Russia. V. Katiarsite, KTiO(AsO4) Mineralogical Magazine, 80 (4) 639-646 doi:10.1180/minmag.2016.080.007 Pekov, Igor V.; Zubkova, Natalia V.; Koshlyakova, Natalia N.; Belakovskiy, Dmitry I.; Vigasina, Marina F.; Agakhanov, Atali A.; Britvin, Sergey N.; Turchkova, Anna G.; Sidorov, Evgeny G.; Zhegunov, Pavel S.; et al. (2025) Achyrophanite, (K,Na)3(Fe3+,Ti,Al,Mg)5O2(AsO4)5, a New Mineral with the Novel Structure Type from Fumarolic Exhalations of the Tolbachik Volcano, Kamchatka, Russia. Minerals, 15 (7). doi:10.3390/min15070706 |
| ⓘ Khrenovite (TL) Formula: Na3Fe3+2(AsO4)3 Type Locality: References: Pekov, Igor V., Koshlyakova, Natalia N., Belakovskiy, Dmitry I., Vigasina, Marina F., Zubkova, Natalia V., Agakhanov, Atali A., Britvin, Sergey N., Sidorov, Evgeny G., Pushcharovsky, Dmitry Yu. (2022) New arsenate minerals from the Arsenatnaya fumarole, Tolbachik volcano, Kamchatka, Russia. XVIII. Khrenovite, Na3Fe3+2(AsO4)3, the member with the highest sodium in the alluaudite supergroup. Mineralogical Magazine, 86 (6) 897-902 doi:10.1180/mgm.2022.64 Pekov, Igor V.; Zubkova, Natalia V.; Koshlyakova, Natalia N.; Belakovskiy, Dmitry I.; Vigasina, Marina F.; Agakhanov, Atali A.; Britvin, Sergey N.; Turchkova, Anna G.; Sidorov, Evgeny G.; Zhegunov, Pavel S.; et al. (2025) Achyrophanite, (K,Na)3(Fe3+,Ti,Al,Mg)5O2(AsO4)5, a New Mineral with the Novel Structure Type from Fumarolic Exhalations of the Tolbachik Volcano, Kamchatka, Russia. Minerals, 15 (7). doi:10.3390/min15070706 |
| ⓘ Klyuchevskite Formula: K3Cu3(Fe3+,Al)(SO4)4O2 References: Zelenski, Michael E., Zubkova, Natalia V., Pekov, Igor V., Polekhovsky, Yuri S., Pushcharovsky, Dmitry Y.U. (2012) Cupromolybdite, Cu3O(MoO4)2, a new fumarolic mineral from the Tolbachik volcano, Kamchatka Peninsula, Russia. European Journal of Mineralogy, 24 (4) 749-757 doi:10.1127/0935-1221/2012/0024-2221 |
| ⓘ Knasibfite Formula: K3Na4[SiF6]3[BF4] References: Shablinskii, A. P., Vergasova, L. P., Filatov, S. K., Moskaleva, S. V., Nazarova, M. A., Bubnova, R. S. (2020) The Discovery of the Mineral Knasibfite K3Na4(SiF6)3(BF4) on Tolbachik Volcano, Kamchatka and Details of its Crystal Structure. Journal of Volcanology and Seismology, 14 (3) 177-186 doi:10.1134/s0742046320030069 |
| ⓘ Kononovite (TL) Formula: NaMg(SO4)F Type Locality: References: Pekov, Igor V., Krzhizhanovskaya, Maria G., Yapaskurt, Vasiliy O., Belakovskiy, Dmitry I., Chukanov, Nikita V., Lykova, Inna S., Sidorov, Evgeny G. (2015) Kononovite, NaMg(SO4)F, a new mineral from the Arsenatnaya fumarole, Tolbachik volcano, Kamchatka, Russia. European Journal of Mineralogy, 27 (4) 575-580 doi:10.1127/ejm/2015/0027-2457 Pekov, Igor V.; Britvin, Sergey N.; Bulakh, Maria O.; Belakovskiy, Dmitry I.; Yapaskurt, Vasiliy O.; Turchkova, Anna G.; Anikin, Leonid P. (2025) Kantorite, K2NaMg(SO4)2F, a new fumarolic mineral from the Tolbachik volcano, Kamchatka, Russia. Mineralogical Magazine, 89 (5). 575-581 doi:10.1180/mgm.2025.23 |
| ⓘ Koryakite (TL) Formula: NaKMg2Al2(SO4)6 Type Locality: |
| ⓘ Kozyrevskite (TL) Formula: Cu4O(AsO4)2 Type Locality: References: Pekov, I. V., Zubkova, N. V., Yapaskurt, V. O., Belakovskiy, D. I., Vigasina, M. F., Sidorov, E. G., Pushcharovsky, D. Yu. (2014) New arsenate minerals from the Arsenatnaya fumarole, Tolbachik volcano, Kamchatka, Russia. II. Ericlaxmanite and kozyrevskite, two natural modifications of Cu4O(AsO4)2. Mineralogical Magazine, 78 (7) 1553-1569 doi:10.1180/minmag.2014.078.7.03 |
| ⓘ Krasheninnikovite (TL) Formula: KNa2CaMg(SO4)3F Localities: Second scoria cone, Northern Breakthrough (North Breach), Great Fissure eruption (Main Fracture), Tolbachik Volcanic field, Milkovsky District, Kamchatka Krai, RussiaArsenatnaya fumarole, Second scoria cone, Northern Breakthrough (North Breach), Great Fissure eruption (Main Fracture), Tolbachik Volcanic field, Milkovsky District, Kamchatka Krai, RussiaGlavnaya Tenoritovaya fumarole (Major Tenorite), Second scoria cone, Northern Breakthrough (North Breach), Great Fissure eruption (Main Fracture), Tolbachik Volcanic field, Milkovsky District, Kamchatka Krai, RussiaYadovitaya fumarole, Second scoria cone, Northern Breakthrough (North Breach), Great Fissure eruption (Main Fracture), Tolbachik Volcanic field, Milkovsky District, Kamchatka Krai, Russia |
| ⓘ Lammerite Formula: Cu3(AsO4)2 Localities: Arsenatnaya fumarole, Second scoria cone, Northern Breakthrough (North Breach), Great Fissure eruption (Main Fracture), Tolbachik Volcanic field, Milkovsky District, Kamchatka Krai, RussiaSecond scoria cone, Northern Breakthrough (North Breach), Great Fissure eruption (Main Fracture), Tolbachik Volcanic field, Milkovsky District, Kamchatka Krai, RussiaGlavnaya Tenoritovaya fumarole (Major Tenorite), Second scoria cone, Northern Breakthrough (North Breach), Great Fissure eruption (Main Fracture), Tolbachik Volcanic field, Milkovsky District, Kamchatka Krai, RussiaYadovitaya fumarole, Second scoria cone, Northern Breakthrough (North Breach), Great Fissure eruption (Main Fracture), Tolbachik Volcanic field, Milkovsky District, Kamchatka Krai, Russia |
| ⓘ Langbeinite Formula: K2Mg2(SO4)3 Localities: Yadovitaya fumarole, Second scoria cone, Northern Breakthrough (North Breach), Great Fissure eruption (Main Fracture), Tolbachik Volcanic field, Milkovsky District, Kamchatka Krai, RussiaArsenatnaya fumarole, Second scoria cone, Northern Breakthrough (North Breach), Great Fissure eruption (Main Fracture), Tolbachik Volcanic field, Milkovsky District, Kamchatka Krai, Russia |
| ⓘ Lebedevite (TL) Formula: K4Na14Cu14O8(AsO4)8Cl6 Type Locality: References: Koshlyakova, N.N., Pekov, I.V., Agakhanov, A.A., Bullock, E., Zubkova, N.V., Vigasina, M.F., Britvin, S.N., Burns, P.C., Hazen, R.M. and Zhitova, E.S. (2024) Lebedevite, IMA 2023-089. CNMNC Newsletter 77; Mineralogical Magazine, 88, https://doi.org/10.1180/mgm.2024.5 |
| ⓘ Lehmannite (TL) Formula: Na18Cu12TiO8(AsO4)8FCl5 Type Locality: References: Pekov, I.V., Britvin, S.N., Yapaskurt, V.O., Koshlyakova, N.N., Polekhovsky, Yu.S., Göttlicher, J., Chukanov, N.V., Vigasina, M.F., Krivovichev, S.V., Turhkova, A.G., Sidorov, E.G. (2020) Arsmirandite, Na18Cu12Fe3+O8(AsO4)8Cl5, and lehmannite, Na18Cu12TiO8(AsO4)8FCl5, new minerals from fumerole exhalations of the Tolbachik Volcano, Kamchatka, Russia. Zapiski RMO, 149. 1-17 |
| ⓘ Leningradite (TL) Formula: PbCu3(VO4)2Cl Type Locality: |
| ⓘ Leonardsenite Formula: MgAlF5 · 2H2O References: Pekov, Igor V., Zubkova, Natalia V., Britvin, Sergey N., Yapaskurt, Vasiliy O., Chukanov, Nikita V., Lykova, Inna S., Sidorov, Evgeny G., Pushcharovsky, Dmitry Yu. (2015) New zinc and potassium chlorides from fumaroles of the Tolbachik volcano, Kamchatka, Russia: mineral data and crystal chemistry. III. Cryobostryxite, KZnCl3·2H2O. European Journal of Mineralogy, 27 (6) 805-812 doi:10.1127/ejm/2015/0027-2482 |
| ⓘ Leucite Formula: K(AlSi2O6) References: Shchipalkina, Nadezhda V., Pekov, Igor V., Koshlyakova, Natalia N., Britvin, Sergey N., Zubkova, Natalia V., Varlamov, Dmitry A., Sidorov, Eugeny G. (2020) Unusual silicate mineralization in fumarolic sublimates of the Tolbachik volcano, Kamchatka, Russia – Part 2: Tectosilicates. European Journal of Mineralogy, 32 (1) 121-136 doi:10.5194/ejm-32-121-2020 |
| ⓘ Leybovite-K (TL) Formula: KCuNa(MgFe3+)(AsO4)3 Type Locality: References: Koshlyakova, N.N., Pekov, I.V., Agakhanov, A.A., Bullock, E., Burns, P.C., Belakovskiy, D.I., Zubkova, N.V., Vigasina, M.F., Britvin, S.N., Hazen, R.M. and Zhitova, E.S. (2025) Leybovite-K, IMA 2025-007. CNMNC Newsletter 86, Mineralogical Magazine, 89, |
| ⓘ Litidionite Formula: KNaCuSi4O10 References: Shchipalkina, Nadezhda, Pekov, Igor, Britvin, Sergey, Koshlyakova, Natalia, Vigasina, Marina, Sidorov, Evgeny (2019) A New Mineral Ferrisanidine, K[Fe3+Si3O8], the First Natural Feldspar with Species-Defining Iron. Minerals, 9 (12) 770 doi:10.3390/min9120770 Shchipalkina, Nadezhda V., Pekov, Igor V., Koshlyakova, Natalia N., Britvin, Sergey N., Zubkova, Natalia V., Varlamov, Dmitry A., Sidorov, Eugeny G. (2020) Unusual silicate mineralization in fumarolic sublimates of the Tolbachik volcano, Kamchatka, Russia – Part 2: Tectosilicates. European Journal of Mineralogy, 32 (1) 121-136 doi:10.5194/ejm-32-121-2020 Pekov, Igor V.; Zubkova, Natalia V.; Agakhanov, Atali A.; Belakovskiy, Dmitry I.; Vigasina, Marina F.; Yapaskurt, Vasiliy O.; Britvin, Sergey N.; Turchkova, Anna G.; Sidorov, Evgeny G.; Zhitova, Elena S.; et al. (2026) Polyarsite, Na7CaMgCu2(AsO4)4F2Cl, a New Mineral with Unique Complex Layers in the Novel-Type Crystal Structure. Minerals, 16 (2). doi:10.3390/min16020122 |
| ⓘ Löweite Formula: Na12Mg7(SO4)13 · 15H2O Description: XRD and Wet Chemical by Joy Desor, Gerhard Möhn |
| ⓘ Ludwigite Formula: Mg2Fe3+(BO3)O2 References: Pekov, Igor V., Koshlyakova, Natalia N., Zubkova, Natalia V., Belakovskiy, Dmitry I., Vigasina, Marina F., Agakhanov, Atali A., Ksenofontov, Dmitry A., Turchkova, Anna G., Britvin, Sergey N., Sidorov, Evgeny G., Pushcharovsky, Dmitry Yu. (2022) A Natural Vanadate–Arsenate Isomorphous Series with Jeffbenite-Type Structure: New Fumarolic Minerals Udinaite, NaMg4(VO4)3, and Arsenudinaite, NaMg4(AsO4)3. Minerals, 12 (7) 850 doi:10.3390/min12070850 Bulakh, M. O., Pekov, I. V., Koshlyakova, N. N., Sidorov, E. G. (2022) Ludwigite and Yuanfuliite from Fumarolic Exhalations of the Tolbachik Volcano, Kamchatka, Russia. Geology of Ore Deposits, 64 (8) 607-621 doi:10.1134/s1075701522080037 Bulakh, M. O; Britvin, S. N; Zubkova, N. V; Yapaskurt, V. O; Agakhanov, A. A; Anikin, L. P; Pekov, I. V (2025) Fredrikssonite from Fumarolic Exhalations of the Tolbachik Volcano (Kamchatka, Russia), its Crystal Structure and Chemical-Genetic Features. Zapiski of the Russian Mineralogical Society, CLIV (3). 56-72 |
| ⓘ Lyonsite Formula: Cu3Fe4(VO4)6 Localities: Second scoria cone, Northern Breakthrough (North Breach), Great Fissure eruption (Main Fracture), Tolbachik Volcanic field, Milkovsky District, Kamchatka Krai, RussiaYadovitaya fumarole, Second scoria cone, Northern Breakthrough (North Breach), Great Fissure eruption (Main Fracture), Tolbachik Volcanic field, Milkovsky District, Kamchatka Krai, Russia |
| ⓘ Magganasite (TL) Formula: CuFe3+3O(AsO4)3 Type Locality: References: Pekov, Igor V.; Zubkova, Natalia V.; Agakhanov, Atali A.; Koshlyakova, Natalia N.; Chukanov, Nikita V.; Yapaskurt, Vasiliy O.; Britvin, Sergey N.; Turchkova, Anna G.; Zhitova, Elena S.; Pushcharovsky, Dmitry Yu. (2026) New arsenate minerals from the Arsenatnaya fumarole, Tolbachik volcano, Kamchatka, Russia. XXI. Magganasite, CuFe3+3O(AsO4)3. Mineralogical Magazine, 90 (2). p.472-480. doi:10.1180/mgm.2025.10141 |
| ⓘ Magnesiochromite Formula: MgCr2O4 References: Pekov, Igor, Sandalov, Fedor, Koshlyakova, Natalia, Vigasina, Marina, Polekhovsky, Yury, Britvin, Sergey, Sidorov, Evgeny, Turchkova, Anna (2018) Copper in Natural Oxide Spinels: The New Mineral Thermaerogenite CuAl2O4, Cuprospinel and Cu-Enriched Varieties of Other Spinel-Group Members from Fumaroles of the Tolbachik Volcano, Kamchatka, Russia. Minerals, 8 (11) 498 doi:10.3390/min8110498 |
| ⓘ Magnesioferrite Formula: MgFe3+2O4 References: Pekov, Igor V., Koshlyakova, Natalia N., Zubkova, Natalia V., Belakovskiy, Dmitry I., Vigasina, Marina F., Agakhanov, Atali A., Ksenofontov, Dmitry A., Turchkova, Anna G., Britvin, Sergey N., Sidorov, Evgeny G., Pushcharovsky, Dmitry Yu. (2022) A Natural Vanadate–Arsenate Isomorphous Series with Jeffbenite-Type Structure: New Fumarolic Minerals Udinaite, NaMg4(VO4)3, and Arsenudinaite, NaMg4(AsO4)3. Minerals, 12 (7) 850 doi:10.3390/min12070850 Bulakh, M. O., Pekov, I. V., Koshlyakova, N. N., Sidorov, E. G. (2022) Ludwigite and Yuanfuliite from Fumarolic Exhalations of the Tolbachik Volcano, Kamchatka, Russia. Geology of Ore Deposits, 64 (8) 607-621 doi:10.1134/s1075701522080037 Bulakh, M. O; Britvin, S. N; Zubkova, N. V; Yapaskurt, V. O; Agakhanov, A. A; Anikin, L. P; Pekov, I. V (2025) Fredrikssonite from Fumarolic Exhalations of the Tolbachik Volcano (Kamchatka, Russia), its Crystal Structure and Chemical-Genetic Features. Zapiski of the Russian Mineralogical Society, CLIV (3). 56-72 |
| ⓘ Magnesiohatertite (TL) Formula: (Na,Ca)2Ca(Mg,Fe3+)2(AsO4)3 Type Locality: |
| ⓘ Magnetite Formula: Fe2+Fe3+2O4 References: Zelenski, Michael E., Zubkova, Natalia V., Pekov, Igor V., Polekhovsky, Yuri S., Pushcharovsky, Dmitry Y.U. (2012) Cupromolybdite, Cu3O(MoO4)2, a new fumarolic mineral from the Tolbachik volcano, Kamchatka Peninsula, Russia. European Journal of Mineralogy, 24 (4) 749-757 doi:10.1127/0935-1221/2012/0024-2221 |
| ⓘ Majzlanite (TL) Formula: K2Na(ZnNa)Ca(SO4)4 Type Locality: References: Siidra, Oleg I., Nazarchuk, Evgeny V., Zaitsev, Anatoly N., Shilovskikh, Vladimir V. (2020) Majzlanite, K2Na(ZnNa)Ca(SO4)4, a new anhydrous sulfate mineral with complex cation substitutions from Tolbachik volcano. Mineralogical Magazine, 84 (1) 153-158 doi:10.1180/mgm.2019.68 |
| ⓘ Mallardite Formula: Mn2+(H2O)6(SO4) · H2O |
| ⓘ Manganobadalovite (TL) Formula: NaNaMn(MgFe3+)(AsO4)3 Type Locality: |
| ⓘ Manganohatertite (TL) Formula: NaNaCa(MnFe3+)(AsO4)3 Type Locality: References: Koshlyakova, N.N., Pekov, I.V., Agakhanov, A.A., Bullock, E., Belakovskiy, D.I., Zubkova, N.V., Chukanov, N.V., Britvin, S.N., Bulakh, M.O., Burns, P.C., Hazen, R.M. and Zhitova, E.S. (2024) Manganohatertite, IMA 2023-098. CNMNC Newsletter 77; Mineralogical Magazine, 88, https://doi.org/10.1180/mgm.2024.5 |
| ⓘ Markhininite (TL) Formula: TlBi(SO4)2 Type Locality: References: Siidra, Oleg I., Vergasova, Lidiya P., Kretser, Yuri L., Polekhovsky, Yuri S., Filatov, Stanislav K., Krivovichev, Sergey V. (2014) Unique thallium mineralization in the fumaroles of Tolbachik volcano, Kamchatka Peninsula, Russia. III. Evdokimovite, Tl4(VO)3(SO4)5(H2O)5. Mineralogical Magazine, 78 (7) 1711-1724 doi:10.1180/minmag.2014.078.7.14 Siidra, Oleg I., Vergasova, Lidiya P., Krivovichev, Sergey V., Kretser, Yuri L., Zaitsev, Anatoly N., Filatov, Stanislav K. (2014) Unique thallium mineralization in the fumaroles of Tolbachik volcano, Kamchatka Peninsula, Russia. I. Markhininite, TlBi(SO4)2. Mineralogical Magazine, 78 (7) 1687-1698 doi:10.1180/minmag.2014.078.7.12 |
| ⓘ Masaitisite (TL) Formula: KCu5O2(SeO3)2Cl3 Type Locality: References: Pekov, I. V; Murashko, M. N; Agakhanov, A. A; Vigasina, M. F; Britvin, S. N; Turchkova, A. G (2025) Masaitisite, KCu 5 O 2 (Se 4+ O 3 ) 2 Cl 3 , a New Mineral from Fumarole Exhalations of the Tolbachik Volcano, Kamchatka, Russia. Zapiski of the Russian Mineralogical Society, CLIV (6). 27-39 |
| ⓘ Mcbirneyite Formula: Cu3(VO4)2 Localities: Second scoria cone, Northern Breakthrough (North Breach), Great Fissure eruption (Main Fracture), Tolbachik Volcanic field, Milkovsky District, Kamchatka Krai, RussiaYadovitaya fumarole, Second scoria cone, Northern Breakthrough (North Breach), Great Fissure eruption (Main Fracture), Tolbachik Volcanic field, Milkovsky District, Kamchatka Krai, Russia |
| ⓘ Melanarsite (TL) Formula: K3Cu7Fe3+O4(AsO4)4 Type Locality: References: Pekov, Igor V., Zubkova, Natalia V., Yapaskurt, Vasiliy O., Polekhovsky, Yury S., Vigasina, Marina F., Belakovskiy, Dmitry I., Britvin, Sergey N., Sidorov, Evgeny G., Pushcharovsky, Dmitry Y. (2016) New arsenate minerals from the Arsenatnaya fumarole, Tolbachik volcano, Kamchatka, Russia. VI. Melanarsite, K3Cu7Fe3+O4(AsO4)4. Mineralogical Magazine, 80 (5) 855-867 doi:10.1180/minmag.2016.080.027 |
| ⓘ Melanothallite Formula: Cu2Cl2O Localities: Second scoria cone, Northern Breakthrough (North Breach), Great Fissure eruption (Main Fracture), Tolbachik Volcanic field, Milkovsky District, Kamchatka Krai, RussiaFirst scoria cone, Northern Breakthrough (North Breach), Great Fissure eruption (Main Fracture), Tolbachik Volcanic field, Milkovsky District, Kamchatka Krai, RussiaYadovitaya fumarole, Second scoria cone, Northern Breakthrough (North Breach), Great Fissure eruption (Main Fracture), Tolbachik Volcanic field, Milkovsky District, Kamchatka Krai, RussiaNovaya fumarole, Second scoria cone, Northern Breakthrough (North Breach), Great Fissure eruption (Main Fracture), Tolbachik Volcanic field, Milkovsky District, Kamchatka Krai, Russia |
| ⓘ Mellizinkalite (TL) Formula: K3Zn2Cl7 Type Locality: References: Pekov, Igor V., Zubkova, Natalia V., Yapaskurt, Vasiliy O., Lykova, Inna S., Belakovskiy, Dmitry I., Vigasina, Marina F., Sidorov, Evgeny G., Britvin, Sergey N., Yu. Pushcharovsky, Dmitry (2015) New zinc and potassium chlorides from fumaroles of the Tolbachik volcano, Kamchatka, Russia: mineral data and crystal chemistry. I. Mellizinkalite, K3Zn2Cl7. European Journal of Mineralogy, 27 (2) 247-253 doi:10.1127/ejm/2015/0027-2430 |
| ⓘ Meniaylovite (TL) Formula: Ca4[(SO4)(SiF6)(AlF6)]F · 12H2O Localities: First scoria cone, Northern Breakthrough (North Breach), Great Fissure eruption (Main Fracture), Tolbachik Volcanic field, Milkovsky District, Kamchatka Krai, RussiaSecond scoria cone, Northern Breakthrough (North Breach), Great Fissure eruption (Main Fracture), Tolbachik Volcanic field, Milkovsky District, Kamchatka Krai, Russia |
| ⓘ Metathénardite (TL) Formula: Na2SO4 Localities: Arsenatnaya fumarole, Second scoria cone, Northern Breakthrough (North Breach), Great Fissure eruption (Main Fracture), Tolbachik Volcanic field, Milkovsky District, Kamchatka Krai, RussiaYadovitaya fumarole, Second scoria cone, Northern Breakthrough (North Breach), Great Fissure eruption (Main Fracture), Tolbachik Volcanic field, Milkovsky District, Kamchatka Krai, RussiaGlavnaya Tenoritovaya fumarole (Major Tenorite), Second scoria cone, Northern Breakthrough (North Breach), Great Fissure eruption (Main Fracture), Tolbachik Volcanic field, Milkovsky District, Kamchatka Krai, Russia Description: see image of associated belomarinaite
|
| ⓘ Milkovoite (TL) Formula: Cu4O(PO4)(AsO4) Type Locality: |
| ⓘ Mitscherlichite Formula: K2CuCl4 · 2H2O References: Pekov, Igor V., Zubkova, Natalia V., Yapaskurt, Vasiliy O., Lykova, Inna S., Belakovskiy, Dmitry I., Vigasina, Marina F., Sidorov, Evgeny G., Britvin, Sergey N., Yu. Pushcharovsky, Dmitry (2015) New zinc and potassium chlorides from fumaroles of the Tolbachik volcano, Kamchatka, Russia: mineral data and crystal chemistry. I. Mellizinkalite, K3Zn2Cl7. European Journal of Mineralogy, 27 (2) 247-253 doi:10.1127/ejm/2015/0027-2430 |
| ⓘ Nabokoite (TL) Formula: KCu7(SO4)5(Te4+O3)OCl Type Locality: References: Popova, V.I., Popov, V.A., Rudashevskiy, N.S., Glavatskikh, S.F., Polyakov, V.O., Bushmakin, A.F. (1987) Nabokoite Cu7TeO4(SO4)5·KCl and atlasovite Cu6Fe3+Bi3+O4(SO4)5·KCl. New minerals of volcanic exhalations. Zapiski Vsesoyuznogo Mineralogicheskogo Obshchestva: 116(3): 358-367 (in Russian with English abstract). https://rruff.info/rruff_1.0/uploads/ZVMO116N3_358.pdf |
| ⓘ Native Gold Formula: Au Localities: Yadovitaya fumarole, Second scoria cone, Northern Breakthrough (North Breach), Great Fissure eruption (Main Fracture), Tolbachik Volcanic field, Milkovsky District, Kamchatka Krai, RussiaFirst scoria cone, Northern Breakthrough (North Breach), Great Fissure eruption (Main Fracture), Tolbachik Volcanic field, Milkovsky District, Kamchatka Krai, RussiaTreschina fumarole, Second scoria cone, Northern Breakthrough (North Breach), Great Fissure eruption (Main Fracture), Tolbachik Volcanic field, Milkovsky District, Kamchatka Krai, RussiaSecond scoria cone, Northern Breakthrough (North Breach), Great Fissure eruption (Main Fracture), Tolbachik Volcanic field, Milkovsky District, Kamchatka Krai, Russia |
| ⓘ Native Iron Formula: Fe |
| ⓘ Native Nickel Formula: Ni |
| ⓘ Native Silver Formula: Ag |
| ⓘ Native Tellurium Formula: Te |
| ⓘ Native Titanium Formula: Ti Localities: Second scoria cone, Northern Breakthrough (North Breach), Great Fissure eruption (Main Fracture), Tolbachik Volcanic field, Milkovsky District, Kamchatka Krai, RussiaFirst scoria cone, Northern Breakthrough (North Breach), Great Fissure eruption (Main Fracture), Tolbachik Volcanic field, Milkovsky District, Kamchatka Krai, Russia |
| ⓘ Natrite Formula: Na2CO3 |
| ⓘ Natroaphthitalite (TL) Formula: KNa3(SO4)2 Type Locality: References: Shchipalkina, Nadezhda V., Pekov, Igor V., Chukanov, Nikita V., Belakovskiy, Dmitry I., Zubkova, Natalia V., Koshlyakova, Natalia N., Britvin, Sergey N., Sidorov, Evgeny G. (2020) Alkali sulfates with aphthitalite-like structures from fumaroles of the Tolbachik volcano, Kamchatka, Russia. II. A new mineral, natroaphthitalite, and new data on belomarinaite. The Canadian Mineralogist, 58 (2). 167-181 doi:10.3749/canmin.1900076 |
| ⓘ Natromolybdite (TL) Formula: Na2MoO4 · 2H2O Type Locality: |
| ⓘ Nepheline Formula: Na3K(Al4Si4O16) References: Shchipalkina, Nadezhda V., Pekov, Igor V., Koshlyakova, Natalia N., Britvin, Sergey N., Zubkova, Natalia V., Varlamov, Dmitry A., Sidorov, Eugeny G. (2020) Unusual silicate mineralization in fumarolic sublimates of the Tolbachik volcano, Kamchatka, Russia – Part 2: Tectosilicates. European Journal of Mineralogy, 32 (1) 121-136 doi:10.5194/ejm-32-121-2020 |
| ⓘ Nesquehonite Formula: MgCO3 · 3H2O |
| ✪ Nickenichite Formula: Na0.8Ca0.4Cu0.4(Mg,Fe)3(AsO4)3 Colour: blue References: Pekov, Igor V., Shchipalkina, Nadezhda V., Zubkova, Natalia V., Gurzhiy, Vladislav V., Agakhanov, Atali A., Belakovskiy, Dmitry I., Chukanov, Nikita V., Lykova, Inna S., Vigasina, Marina F., Koshlyakova, Natalia N., Sidorov, Evgeny G., Giester, Gerald (2019) Alkali sulfates with aphthitalite-like structures from fumaroles of the Tolbachik Volcano, Kamchatka, Russia. I. Metathénardite, a natural high-temperature modification of Na2SO4. The Canadian Mineralogist, 57 (6) 885-901 doi:10.3749/canmin.1900050 Pekov, Igor V.; Zubkova, Natalia V.; Koshlyakova, Natalia N.; Belakovskiy, Dmitry I.; Vigasina, Marina F.; Agakhanov, Atali A.; Britvin, Sergey N.; Turchkova, Anna G.; Sidorov, Evgeny G.; Zhegunov, Pavel S.; et al. (2025) Achyrophanite, (K,Na)3(Fe3+,Ti,Al,Mg)5O2(AsO4)5, a New Mineral with the Novel Structure Type from Fumarolic Exhalations of the Tolbachik Volcano, Kamchatka, Russia. Minerals, 15 (7). doi:10.3390/min15070706 |
| ⓘ Nicksobolevite (TL) Formula: Cu7(SeO3)2O2Cl6 Type Locality: References: Vergasova, Lidiya P., Semenova, Tatiana F., Krivovichev, Sergey V., Filatov, Stanislav K., Zolotarev Jr, Andrey A., Ananiev, Vladimir V. (2014) Nicksobolevite, Cu7(SeO3)2O2Cl6, a new complex copper oxoselenite chloride from Tolbachik fumaroles, Kamchatka peninsula, Russia. European Journal of Mineralogy, 26 (3) 439-449 doi:10.1127/0935-1221/2014/0026-2383 |
| ⓘ Nishanbaevite (TL) Formula: KAl2O(AsO4)(SO4) Type Locality: References: Pekov, Igor V., Zubkova, Natalia V., Yapaskurt, Vasiliy O., Belakovskiy, Dmitry I., Britvin, Sergey N., Agakhanov, Atali A., Turchkova, Anna G., Sidorov, Evgeny G., Kutyrev, Anton V., Blatov, Vladislav A., Pushcharovsky, Dmitry Y. (2023) Nishanbaevite, KAl2O(AsO4)(SO4), a new As/S-ordered arsenate-sulfate mineral of fumarolic origin. Mineralogy and Petrology, 117 (2) 247-257 doi:10.1007/s00710-022-00803-0 |
ⓘ 'Oborite'References: Pekov, Igor V., Koshlyakova, Natalia N., Zubkova, Natalia V., Belakovskiy, Dmitry I., Vigasina, Marina F., Agakhanov, Atali A., Ksenofontov, Dmitry A., Turchkova, Anna G., Britvin, Sergey N., Sidorov, Evgeny G., Pushcharovsky, Dmitry Yu. (2022) A Natural Vanadate–Arsenate Isomorphous Series with Jeffbenite-Type Structure: New Fumarolic Minerals Udinaite, NaMg4(VO4)3, and Arsenudinaite, NaMg4(AsO4)3. Minerals, 12 (7) 850 doi:10.3390/min12070850 |
| ⓘ Olsacherite Formula: Pb2(Se6+O4)(SO4) References: Pekov, Igor V., Zubkova, Natalia V., Britvin, Sergey N., Yapaskurt, Vasiliy O., Chukanov, Nikita V., Lykova, Inna S., Sidorov, Evgeny G., Pushcharovsky, Dmitry Yu. (2015) New zinc and potassium chlorides from fumaroles of the Tolbachik volcano, Kamchatka, Russia: mineral data and crystal chemistry. III. Cryobostryxite, KZnCl3·2H2O. European Journal of Mineralogy, 27 (6) 805-812 doi:10.1127/ejm/2015/0027-2482 |
| ⓘ Opal Formula: SiO2 · nH2O References: Pekov, Igor V., Zubkova, Natalia V., Britvin, Sergey N., Yapaskurt, Vasiliy O., Chukanov, Nikita V., Lykova, Inna S., Sidorov, Evgeny G., Pushcharovsky, Dmitry Yu. (2015) New zinc and potassium chlorides from fumaroles of the Tolbachik volcano, Kamchatka, Russia: mineral data and crystal chemistry. III. Cryobostryxite, KZnCl3·2H2O. European Journal of Mineralogy, 27 (6) 805-812 doi:10.1127/ejm/2015/0027-2482 |
| ⓘ Orthoclase Formula: K(AlSi3O8) Localities: Arsenatnaya fumarole, Second scoria cone, Northern Breakthrough (North Breach), Great Fissure eruption (Main Fracture), Tolbachik Volcanic field, Milkovsky District, Kamchatka Krai, RussiaYadovitaya fumarole, Second scoria cone, Northern Breakthrough (North Breach), Great Fissure eruption (Main Fracture), Tolbachik Volcanic field, Milkovsky District, Kamchatka Krai, RussiaSecond scoria cone, Northern Breakthrough (North Breach), Great Fissure eruption (Main Fracture), Tolbachik Volcanic field, Milkovsky District, Kamchatka Krai, Russia |
| ⓘ Orthoclase var. Arsenic-bearing Orthoclase Formula: KAl(Si,As)3O8 Localities: Yadovitaya fumarole, Second scoria cone, Northern Breakthrough (North Breach), Great Fissure eruption (Main Fracture), Tolbachik Volcanic field, Milkovsky District, Kamchatka Krai, RussiaArsenatnaya fumarole, Second scoria cone, Northern Breakthrough (North Breach), Great Fissure eruption (Main Fracture), Tolbachik Volcanic field, Milkovsky District, Kamchatka Krai, RussiaSecond scoria cone, Northern Breakthrough (North Breach), Great Fissure eruption (Main Fracture), Tolbachik Volcanic field, Milkovsky District, Kamchatka Krai, Russia |
| ⓘ Ozerovaite (TL) Formula: Na2KAl3(AsO4)4 Localities: Second scoria cone, Northern Breakthrough (North Breach), Great Fissure eruption (Main Fracture), Tolbachik Volcanic field, Milkovsky District, Kamchatka Krai, RussiaArsenatnaya fumarole, Second scoria cone, Northern Breakthrough (North Breach), Great Fissure eruption (Main Fracture), Tolbachik Volcanic field, Milkovsky District, Kamchatka Krai, Russia |
| ⓘ Palmierite Formula: K2Pb(SO4)2 References: Zelenski, Michael E., Zubkova, Natalia V., Pekov, Igor V., Polekhovsky, Yuri S., Pushcharovsky, Dmitry Y.U. (2012) Cupromolybdite, Cu3O(MoO4)2, a new fumarolic mineral from the Tolbachik volcano, Kamchatka Peninsula, Russia. European Journal of Mineralogy, 24 (4) 749-757 doi:10.1127/0935-1221/2012/0024-2221 Pekov, I. V; Murashko, M. N; Agakhanov, A. A; Vigasina, M. F; Britvin, S. N; Turchkova, A. G (2025) Masaitisite, KCu 5 O 2 (Se 4+ O 3 ) 2 Cl 3 , a New Mineral from Fumarole Exhalations of the Tolbachik Volcano, Kamchatka, Russia. Zapiski of the Russian Mineralogical Society, CLIV (6). 27-39 |
| ⓘ Pansnerite (TL) Formula: K3Na3(Fe3+,Al)6(AsO4)8 Type Locality: References: Pekov, Igor V., Zubkova, Natalia V., Koshlyakova, Natalia N., Agakhanov, Atali A., Belakovskiy, Dmitry I., Vigasina, Marina F., Yapaskurt, Vasiliy O., Britvin, Sergey N., Turchkova, Anna G., Sidorov, Evgeny G., Pushcharovsky, Dmitry Y. (2020) New arsenate minerals from the Arsenatnaya fumarole, Tolbachik volcano, Kamchatka, Russia. XIII. Pansnerite, K3Na3Fe3+6(AsO4)8. Mineralogical Magazine, 84 (1) 143-151 doi:10.1180/mgm.2019.48 Pekov, Igor V.; Zubkova, Natalia V.; Koshlyakova, Natalia N.; Belakovskiy, Dmitry I.; Vigasina, Marina F.; Agakhanov, Atali A.; Britvin, Sergey N.; Turchkova, Anna G.; Sidorov, Evgeny G.; Zhegunov, Pavel S.; et al. (2025) Achyrophanite, (K,Na)3(Fe3+,Ti,Al,Mg)5O2(AsO4)5, a New Mineral with the Novel Structure Type from Fumarolic Exhalations of the Tolbachik Volcano, Kamchatka, Russia. Minerals, 15 (7). doi:10.3390/min15070706 |
| ⓘ Paraberzeliite (TL) Formula: NaCa2Mg2(AsO4)3 Type Locality: References: Pekov, Igor V., Koshlyakova, Natalia N., Belakovskiy, Dmitry I., Vigasina, Marina F., Zubkova, Natalia V., Agakhanov, Atali A., Britvin, Sergey N., Sidorov, Evgeny G., Pushcharovsky, Dmitry Yu. (2022) New arsenate minerals from the Arsenatnaya fumarole, Tolbachik volcano, Kamchatka, Russia. XVII. Paraberzeliite, NaCaCaMg2(AsO4)3, an alluaudite-group member dimorphous with berzeliite. Mineralogical Magazine, 86 (1) 103-111 doi:10.1180/mgm.2021.82 |
| ⓘ Parageorgbokiite (TL) Formula: Cu5(SeO3)2O2Cl2 Type Locality: |
| ⓘ Paralammerite Formula: Cu3(AsO4)2 Localities: Second scoria cone, Northern Breakthrough (North Breach), Great Fissure eruption (Main Fracture), Tolbachik Volcanic field, Milkovsky District, Kamchatka Krai, RussiaArsenatnaya fumarole, Second scoria cone, Northern Breakthrough (North Breach), Great Fissure eruption (Main Fracture), Tolbachik Volcanic field, Milkovsky District, Kamchatka Krai, RussiaYadovitaya fumarole, Second scoria cone, Northern Breakthrough (North Breach), Great Fissure eruption (Main Fracture), Tolbachik Volcanic field, Milkovsky District, Kamchatka Krai, Russia |
| ⓘ Paratacamite Formula: Cu3(Cu,Zn)(OH)6Cl2 References: Chukanov, N. V., Murashko, M. N., Zadov, A. E., Bushmakin, A. F. (2007) Avdoninite, K2Cu5Cl8(OH)4 · H2O, a new mineral species from volcanic exhalations and the technogenic zone at volcanic-hosted massive sulfide deposits. Geology of Ore Deposits, 49 (7) 505-508 doi:10.1134/s1075701507070021 |
| ⓘ Parawulffite (TL) Formula: K5Na3Cu8O4(SO4)8 Localities: Yadovitaya fumarole, Second scoria cone, Northern Breakthrough (North Breach), Great Fissure eruption (Main Fracture), Tolbachik Volcanic field, Milkovsky District, Kamchatka Krai, RussiaArsenatnaya fumarole, Second scoria cone, Northern Breakthrough (North Breach), Great Fissure eruption (Main Fracture), Tolbachik Volcanic field, Milkovsky District, Kamchatka Krai, Russia |
| ⓘ Pauflerite Formula: (V4+O)SO4 References: Siidra, Oleg I., Vergasova, Lidiya P., Kretser, Yuri L., Polekhovsky, Yuri S., Filatov, Stanislav K., Krivovichev, Sergey V. (2014) Unique thallium mineralization in the fumaroles of Tolbachik volcano, Kamchatka Peninsula, Russia. III. Evdokimovite, Tl4(VO)3(SO4)5(H2O)5. Mineralogical Magazine, 78 (7) 1711-1724 doi:10.1180/minmag.2014.078.7.14 |
| ⓘ Paulgrothite (TL) Formula: Cu9Fe3+O4(PO4)4Cl3 Type Locality: |
| ⓘ Petrovite (TL) Formula: Na12Cu2(SO4)8 Type Locality: |
| ⓘ Pharmazincite (TL) Formula: KZnAsO4 Type Locality: References: Pekov, Igor V., Yapaskurt, Vasiliy O., Belakovskiy, Dmitry I., Vigasina, Marina F., Zubkova, Natalia V., Sidorov, Evgeny G. (2017) New arsenate minerals from the Arsenatnaya fumarole, Tolbachik volcano, Kamchatka, Russia. VII. Pharmazincite, KZnAsO4. Mineralogical Magazine, 81 (4) 1001-1008 doi:10.1180/minmag.2016.080.146 |
| ⓘ Philoxenite (TL) Formula: (K,Na,Pb)4(Na,Ca)2(Mg,Cu)3(Fe3+0.5Al0.5)(SO4)8 Type Locality: References: Pekov, I.V., Agakhanov, A.A., Zubkova, N.V., Belakovskiy, D.I., Vigasina, M.F., Britvin, S.N., Turchkova, A.G., Sidorov, E.G. (2020) Philoxenite, (K,Na,Pb)4(Na,Ca)2(Mg,Cu)3( Al0.5)(SO4)8, a new mineral from fumarole exhalations of the Tolbachik Volcano, Kamchatka, Russia. Notes of the Russian Mineralogical Society: 149(4): 67-77. |
| ⓘ Pilipenkoite (TL) Formula: KCu(AsO4) · H2O Type Locality: |
| ⓘ Piypite Formula: K4Cu4O2(SO4)4 · (Na,Cu)Cl Localities: Yadovitaya fumarole, Second scoria cone, Northern Breakthrough (North Breach), Great Fissure eruption (Main Fracture), Tolbachik Volcanic field, Milkovsky District, Kamchatka Krai, RussiaSecond scoria cone, Northern Breakthrough (North Breach), Great Fissure eruption (Main Fracture), Tolbachik Volcanic field, Milkovsky District, Kamchatka Krai, RussiaNovaya fumarole, Second scoria cone, Northern Breakthrough (North Breach), Great Fissure eruption (Main Fracture), Tolbachik Volcanic field, Milkovsky District, Kamchatka Krai, RussiaFirst scoria cone, Northern Breakthrough (North Breach), Great Fissure eruption (Main Fracture), Tolbachik Volcanic field, Milkovsky District, Kamchatka Krai, Russia |
| ⓘ Pliniusite Formula: Ca5(VO4)3F References: Pekov, Igor V., Koshlyakova, Natalia N., Zubkova, Natalia V., Belakovskiy, Dmitry I., Vigasina, Marina F., Agakhanov, Atali A., Ksenofontov, Dmitry A., Turchkova, Anna G., Britvin, Sergey N., Sidorov, Evgeny G., Pushcharovsky, Dmitry Yu. (2022) A Natural Vanadate–Arsenate Isomorphous Series with Jeffbenite-Type Structure: New Fumarolic Minerals Udinaite, NaMg4(VO4)3, and Arsenudinaite, NaMg4(AsO4)3. Minerals, 12 (7) 850 doi:10.3390/min12070850 |
| ⓘ Polyarsite (TL) Formula: Na7CaMgCu2(AsO4)4F2Cl Type Locality: References: Pekov, Igor V.; Zubkova, Natalia V.; Agakhanov, Atali A.; Belakovskiy, Dmitry I.; Vigasina, Marina F.; Yapaskurt, Vasiliy O.; Britvin, Sergey N.; Turchkova, Anna G.; Sidorov, Evgeny G.; Zhitova, Elena S.; et al. (2026) Polyarsite, Na7CaMgCu2(AsO4)4F2Cl, a New Mineral with Unique Complex Layers in the Novel-Type Crystal Structure. Minerals, 16 (2). doi:10.3390/min16020122 |
| ⓘ Ponomarevite (TL) Formula: K4Cu4Cl10O Localities: First scoria cone, Northern Breakthrough (North Breach), Great Fissure eruption (Main Fracture), Tolbachik Volcanic field, Milkovsky District, Kamchatka Krai, RussiaYadovitaya fumarole, Second scoria cone, Northern Breakthrough (North Breach), Great Fissure eruption (Main Fracture), Tolbachik Volcanic field, Milkovsky District, Kamchatka Krai, RussiaNovaya fumarole, Second scoria cone, Northern Breakthrough (North Breach), Great Fissure eruption (Main Fracture), Tolbachik Volcanic field, Milkovsky District, Kamchatka Krai, Russia |
| ⓘ Popovite (TL) Formula: Cu5O2(AsO4)2 Type Locality: References: Pekov, Igor V., Zubkova, Natalia V., Yapaskurt, Vasiliy O., Belakovskiy, Dmitry I., Vigasina, Marina F., Sidorov, Evgeny G., Pushcharovsky, Dmitry Yu. (2015) New arsenate minerals from the Arsenatnaya fumarole, Tolbachik volcano, Kamchatka, Russia. III. Popovite, Cu5O2(AsO4)2. Mineralogical Magazine, 79 (1) 133-143 doi:10.1180/minmag.2015.079.1.11 |
| ⓘ Potassic-fluoro-richterite Formula: K(CaNa)Mg5(Si8O22)F2 References: Shchipalkina, Nadezhda V., Pekov, Igor V., Koshlyakova, Natalia N., Britvin, Sergey N., Zubkova, Natalia V., Varlamov, Dmitry A., Sidorov, Eugeny G. (2020) Unusual silicate mineralization in fumarolic sublimates of the Tolbachik volcano, Kamchatka, Russia – Part 2: Tectosilicates. European Journal of Mineralogy, 32 (1) 121-136 doi:10.5194/ejm-32-121-2020 |
| ⓘ Potassic-magnesio-fluoro-arfvedsonite Formula: KNa2(Mg4Fe3+)(Si8O22)F2 References: Shchipalkina, Nadezhda V., Pekov, Igor V., Koshlyakova, Natalia N., Britvin, Sergey N., Zubkova, Natalia V., Varlamov, Dmitry A., Sidorov, Eugeny G. (2020) Unusual silicate mineralization in fumarolic sublimates of the Tolbachik volcano, Kamchatka, Russia – Part 2: Tectosilicates. European Journal of Mineralogy, 32 (1) 121-136 doi:10.5194/ejm-32-121-2020 Pekov, Igor V.; Zubkova, Natalia V.; Agakhanov, Atali A.; Belakovskiy, Dmitry I.; Vigasina, Marina F.; Yapaskurt, Vasiliy O.; Britvin, Sergey N.; Turchkova, Anna G.; Sidorov, Evgeny G.; Zhitova, Elena S.; et al. (2026) Polyarsite, Na7CaMgCu2(AsO4)4F2Cl, a New Mineral with Unique Complex Layers in the Novel-Type Crystal Structure. Minerals, 16 (2). doi:10.3390/min16020122 |
| ⓘ Powellite Formula: Ca(MoO4) References: Pekov, Igor V., Koshlyakova, Natalia N., Zubkova, Natalia V., Belakovskiy, Dmitry I., Vigasina, Marina F., Agakhanov, Atali A., Ksenofontov, Dmitry A., Turchkova, Anna G., Britvin, Sergey N., Sidorov, Evgeny G., Pushcharovsky, Dmitry Yu. (2022) A Natural Vanadate–Arsenate Isomorphous Series with Jeffbenite-Type Structure: New Fumarolic Minerals Udinaite, NaMg4(VO4)3, and Arsenudinaite, NaMg4(AsO4)3. Minerals, 12 (7) 850 doi:10.3390/min12070850 Bulakh, M. O; Britvin, S. N; Zubkova, N. V; Yapaskurt, V. O; Agakhanov, A. A; Anikin, L. P; Pekov, I. V (2025) Fredrikssonite from Fumarolic Exhalations of the Tolbachik Volcano (Kamchatka, Russia), its Crystal Structure and Chemical-Genetic Features. Zapiski of the Russian Mineralogical Society, CLIV (3). 56-72 |
| ⓘ Prewittite (TL) Formula: KPb1.5ZnCu6(SeO3)2O2Cl10 Type Locality: Habit: Separate tabular crystals up to 0.2 mm in maximum dimension. Colour: Olive green References: Shuvalov, R. R., Vergasova, L. P., Semenova, T. F., Filatov, S. K., Krivovichev, S. V., Siidra, O. I., Rudashevsky, N. S. (2013) Prewittite, KPb1.5Cu6Zn(SeO3)2O2Cl10, a new mineral from Tolbachik fumaroles, Kamchatka peninsula, Russia: Description and crystal structure. American Mineralogist, 98 (2) 463-469 doi:10.2138/am.2013.4174 |
| ⓘ Pseudobrookite Formula: Fe3+2Ti4+O5 Localities: Arsenatnaya fumarole, Second scoria cone, Northern Breakthrough (North Breach), Great Fissure eruption (Main Fracture), Tolbachik Volcanic field, Milkovsky District, Kamchatka Krai, RussiaYadovitaya fumarole, Second scoria cone, Northern Breakthrough (North Breach), Great Fissure eruption (Main Fracture), Tolbachik Volcanic field, Milkovsky District, Kamchatka Krai, Russia |
| ⓘ Pseudolyonsite Formula: Cu3(VO4)2 References: Zelenski, Michael E., Zubkova, Natalia V., Pekov, Igor V., Polekhovsky, Yuri S., Pushcharovsky, Dmitry Y.U. (2012) Cupromolybdite, Cu3O(MoO4)2, a new fumarolic mineral from the Tolbachik volcano, Kamchatka Peninsula, Russia. European Journal of Mineralogy, 24 (4) 749-757 doi:10.1127/0935-1221/2012/0024-2221 Pekov, I. V; Murashko, M. N; Agakhanov, A. A; Vigasina, M. F; Britvin, S. N; Turchkova, A. G (2025) Masaitisite, KCu 5 O 2 (Se 4+ O 3 ) 2 Cl 3 , a New Mineral from Fumarole Exhalations of the Tolbachik Volcano, Kamchatka, Russia. Zapiski of the Russian Mineralogical Society, CLIV (6). 27-39 |
| ⓘ Puninite (TL) Formula: Na2Cu3O(SO4)3 Type Locality: References: Siidra, Oleg I., Nazarchuk, Evgenii V., Zaitsev, Anatoly N., Lukina, Evgeniya A., Avdontseva, Evgeniya Y., Vergasova, Lidiya P, Vlasenko, Natalia S., Filatov, Stanislav K., Turner, Rick, Karpov, Gennady A. (2017) Copper oxosulphates from fumaroles of Tolbachik volcano: puninite, Na2Cu3O(SO4)3 – a new mineral species and structure refinements of kamchatkite and alumoklyuchevskite. European Journal of Mineralogy, 29 (3) 499-510 doi:10.1127/ejm/2017/0029-2619 |
| ⓘ Quartz Formula: SiO2 |
| ⓘ Reznitskyite (TL) Formula: CaMg(VO4)F Type Locality: References: Koshlyakova, Natalia N., Pekov, Igor V., Vigasina, Marina F., Zubkova, Natalia V., Agakhanov, Atali A., Britvin, Sergey N., Sidorov, Evgeny G., Pushcharovsky, Dmitry Yu. (2022) Reznitskyite, CaMg(VO4)F, a new mineral from the Tolbachik volcano, Kamchatka, Russia and the first vanadate with a titanite-type structure. Mineralogical Magazine, 86 (2) 307-313 doi:10.1180/mgm.2022.16 Pekov, Igor V., Koshlyakova, Natalia N., Zubkova, Natalia V., Belakovskiy, Dmitry I., Vigasina, Marina F., Agakhanov, Atali A., Ksenofontov, Dmitry A., Turchkova, Anna G., Britvin, Sergey N., Sidorov, Evgeny G., Pushcharovsky, Dmitry Yu. (2022) A Natural Vanadate–Arsenate Isomorphous Series with Jeffbenite-Type Structure: New Fumarolic Minerals Udinaite, NaMg4(VO4)3, and Arsenudinaite, NaMg4(AsO4)3. Minerals, 12 (7) 850 doi:10.3390/min12070850 |
| ⓘ Rhabdoborite-(Mo) (TL) Formula: Mg12Mo6+1.33O6(BO3)6F2 Type Locality: References: Pekov, Igor V., Zubkova, Natalia V., Koshlyakova, Natalia N., Belakovskiy, Dmitry I., Agakhanov, Atali A., Vigasina, Marina F., Britvin, Sergey N., Sidorov, Evgeny G., Pushcharovsky, Dmitry Yu. (2020) Rhabdoborite-(V), rhabdoborite-(Mo) and rhabdoborite-(W): a new group of borate minerals with the general formula Mg12M1 1/3[(BO3)6–x(PO4)xF2–x] (M = V5+, Mo6+ or W6+ and x < 1) Physics and Chemistry of Minerals, 47 (10) doi:10.1007/s00269-020-01105-7 |
| ⓘ Rhabdoborite-(V) (TL) Formula: Mg12(V5+,Mo6+,W6+)1.5O6{[BO3]6-x[(P,As)O4]xF2-x} (x < 1) Type Locality: |
| ⓘ Rhabdoborite-(W) (TL) Formula: Mg12(W6+,V5+)1.5O6{[BO3]6-x[(P,As)O4]xF2-x} Type Locality: |
| ⓘ Romanorlovite (TL) Formula: K8Cu6Cl17(OH)3 Type Locality: References: Pekov, I. V., Yapaskurt, V. O., Britvin, S. N., Vigasina, M. F., Lykova, I. S., Zubkova, N. V., Krivovichev, S. V., Sidorov, E. G. (2017) Romanorlovite, a New Copper and Potassium Hydroxychloride from the Tolbachik Volcano, Kamchatka, Russia. Geology of Ore Deposits, 59 (7) 601-608 doi:10.1134/s107570151707008x |
| ⓘ Rutile Formula: TiO2 Localities: Arsenatnaya fumarole, Second scoria cone, Northern Breakthrough (North Breach), Great Fissure eruption (Main Fracture), Tolbachik Volcanic field, Milkovsky District, Kamchatka Krai, RussiaYadovitaya fumarole, Second scoria cone, Northern Breakthrough (North Breach), Great Fissure eruption (Main Fracture), Tolbachik Volcanic field, Milkovsky District, Kamchatka Krai, RussiaSecond scoria cone, Northern Breakthrough (North Breach), Great Fissure eruption (Main Fracture), Tolbachik Volcanic field, Milkovsky District, Kamchatka Krai, Russia |
| ⓘ Rutile var. Iron- and Antimony-bearing Rutile Formula: (Ti,Fe,Sb)O2 References: Pekov, I. V., Zubkova, N. V., Yapaskurt, V. O., Belakovskiy, D. I., Chukanov, N. V., Lykova, I. S., Savelyev, D. P., Sidorov, E. G., Pushcharovsky, D. Y. (2014) Wulffite, K3NaCu4O2(SO4)4, and parawulffite, K5Na3Cu8O4(SO4)8, two new minerals from fumarole sublimates of the Tolbachik Volcano, Kamchatka, Russia. The Canadian Mineralogist, 52 (4) 699-716 doi:10.3749/canmin.1400018 |
| ⓘ Ryabchikovite (TL) Formula: CuMgSi2O6 Type Locality: References: Shchipalkina, Nadezhda V., Vereshchagin, Oleg S., Pekov, Igor V., Belakovskiy, Dmitry I., Koshlyakova, Natalia N., Shilovskikh, Vladimir V., Pankin, Dmitriy V., Britvin, Sergey N., Sandalov, Fedor D., Sidorov, Evgeny G. (2023) Ryabchikovite, CuMg(Si2O6), a new pyroxene group mineral, and some genetic features of natural anhydrous copper silicates. American Mineralogist, 108 (7) 1399-1408 doi:10.2138/am-2022-8620 |
| ⓘ Saltonseaite Formula: K3NaMnCl6 References: Pekov, Igor V., Zubkova, Natalia V., Yapaskurt, Vasiliy O., Britvin, Sergey N., Vigasina, Marina F., Sidorov, Evgeny G., Pushcharovsky, Dmitry . YU (2015) New zinc and potassium chlorides from fumaroles of the Tolbachik volcano, Kamchatka, Russia: mineral data and crystal chemistry. II. Flinteite, K2ZnCl4. European Journal of Mineralogy, 27 (4) 581-588 doi:10.1127/ejm/2015/0027-2459 Pekov, Igor V., Zubkova, Natalia V., Britvin, Sergey N., Yapaskurt, Vasiliy O., Chukanov, Nikita V., Lykova, Inna S., Sidorov, Evgeny G., Pushcharovsky, Dmitry Yu. (2015) New zinc and potassium chlorides from fumaroles of the Tolbachik volcano, Kamchatka, Russia: mineral data and crystal chemistry. III. Cryobostryxite, KZnCl3·2H2O. European Journal of Mineralogy, 27 (6) 805-812 doi:10.1127/ejm/2015/0027-2482 |
| ⓘ Sanguite (TL) Formula: KCuCl3 Type Locality: References: Pekov, Igor V., Zubkova, Natalia V., Belakovskiy, Dmitry I., Lykova, Inna S., Yapaskurt, Vasiliy O., Vigasina, Marina F., Sidorov, Evgeny G., Pushcharovsky, Dmitry Yu. (2015) Sanguite, KCuCl3, A New Mineral From the Tolbachik Volcano, Kamchatka, Russia. The Canadian Mineralogist, 53 (4) 633-641 doi:10.3749/canmin.1500012 |
| ⓘ Sanidine Formula: K(AlSi3O8) Localities: Yadovitaya fumarole, Second scoria cone, Northern Breakthrough (North Breach), Great Fissure eruption (Main Fracture), Tolbachik Volcanic field, Milkovsky District, Kamchatka Krai, RussiaArsenatnaya fumarole, Second scoria cone, Northern Breakthrough (North Breach), Great Fissure eruption (Main Fracture), Tolbachik Volcanic field, Milkovsky District, Kamchatka Krai, RussiaGlavnaya Tenoritovaya fumarole (Major Tenorite), Second scoria cone, Northern Breakthrough (North Breach), Great Fissure eruption (Main Fracture), Tolbachik Volcanic field, Milkovsky District, Kamchatka Krai, Russia |
| ⓘ Schäferite Formula: (NaCa2)Mg2(VO4)3 Localities: Arsenatnaya fumarole, Second scoria cone, Northern Breakthrough (North Breach), Great Fissure eruption (Main Fracture), Tolbachik Volcanic field, Milkovsky District, Kamchatka Krai, RussiaNorthern Breakthrough (North Breach), Great Fissure eruption (Main Fracture), Tolbachik Volcanic field, Milkovsky District, Kamchatka Krai, Russia |
| ⓘ Scheelite Formula: Ca(WO4) References: Pekov, Igor V., Koshlyakova, Natalia N., Zubkova, Natalia V., Belakovskiy, Dmitry I., Vigasina, Marina F., Agakhanov, Atali A., Ksenofontov, Dmitry A., Turchkova, Anna G., Britvin, Sergey N., Sidorov, Evgeny G., Pushcharovsky, Dmitry Yu. (2022) A Natural Vanadate–Arsenate Isomorphous Series with Jeffbenite-Type Structure: New Fumarolic Minerals Udinaite, NaMg4(VO4)3, and Arsenudinaite, NaMg4(AsO4)3. Minerals, 12 (7) 850 doi:10.3390/min12070850 |
| ⓘ Sellaite Formula: MgF2 Localities: Glavnaya Tenoritovaya fumarole (Major Tenorite), Second scoria cone, Northern Breakthrough (North Breach), Great Fissure eruption (Main Fracture), Tolbachik Volcanic field, Milkovsky District, Kamchatka Krai, RussiaFirst scoria cone, Northern Breakthrough (North Breach), Great Fissure eruption (Main Fracture), Tolbachik Volcanic field, Milkovsky District, Kamchatka Krai, RussiaNorthern fumarole field, First scoria cone, Northern Breakthrough (North Breach), Great Fissure eruption (Main Fracture), Tolbachik Volcanic field, Milkovsky District, Kamchatka Krai, RussiaSecond scoria cone, Northern Breakthrough (North Breach), Great Fissure eruption (Main Fracture), Tolbachik Volcanic field, Milkovsky District, Kamchatka Krai, Russia |
| ⓘ Shcherbinaite Formula: V5+2O5 Localities: Second scoria cone, Northern Breakthrough (North Breach), Great Fissure eruption (Main Fracture), Tolbachik Volcanic field, Milkovsky District, Kamchatka Krai, RussiaFirst scoria cone, Northern Breakthrough (North Breach), Great Fissure eruption (Main Fracture), Tolbachik Volcanic field, Milkovsky District, Kamchatka Krai, Russia |
| ⓘ Shchurovskyite (TL) Formula: K2CaCu6O2(AsO4)4 Type Locality: References: Pekov, Igor V., Zubkova, Natalia V., Belakovskiy, Dmitry I., Yapaskurt, Vasiliy O., Vigasina, Marina F., Sidorov, Evgeny G., Pushcharovsky, Dmitry Yu (2015) New arsenate minerals from the Arsenatnaya fumarole, Tolbachik volcano, Kamchatka, Russia. IV. Shchurovskyite, K2CaCu6O2(AsO4)4 and dmisokolovite, K3Cu5AlO2(AsO4)4. Mineralogical Magazine, 79 (7) 1737-1753 doi:10.1180/minmag.2015.079.7.02 |
| ⓘ Shuvalovite (TL) Formula: K2(Ca2Na)(SO4)3F Type Locality: References: Williams, P. A., Hatert, F., Pasero, M., Mills, S. J. (2014) IMA Commission on New Minerals, Nomenclature and Classification (CNMNC), CNMNC Newsletter No. 22. Mineralogical Magazine, 78 (5) 1241-1248 doi:10.1180/minmag.2014.078.5.10 |
| ⓘ Sodalite Formula: Na4(Si3Al3)O12Cl References: Shchipalkina, Nadezhda V., Pekov, Igor V., Koshlyakova, Natalia N., Britvin, Sergey N., Zubkova, Natalia V., Varlamov, Dmitry A., Sidorov, Eugeny G. (2020) Unusual silicate mineralization in fumarolic sublimates of the Tolbachik volcano, Kamchatka, Russia – Part 2: Tectosilicates. European Journal of Mineralogy, 32 (1) 121-136 doi:10.5194/ejm-32-121-2020 |
| ⓘ Sofiite Formula: Zn2(SeO3)Cl2 Localities: First scoria cone, Northern Breakthrough (North Breach), Great Fissure eruption (Main Fracture), Tolbachik Volcanic field, Milkovsky District, Kamchatka Krai, RussiaNorthern fumarole field, First scoria cone, Northern Breakthrough (North Breach), Great Fissure eruption (Main Fracture), Tolbachik Volcanic field, Milkovsky District, Kamchatka Krai, RussiaNovaya fumarole, Second scoria cone, Northern Breakthrough (North Breach), Great Fissure eruption (Main Fracture), Tolbachik Volcanic field, Milkovsky District, Kamchatka Krai, RussiaSecond scoria cone, Northern Breakthrough (North Breach), Great Fissure eruption (Main Fracture), Tolbachik Volcanic field, Milkovsky District, Kamchatka Krai, Russia |
| ⓘ Spinel Formula: MgAl2O4 References: Pekov, Igor, Sandalov, Fedor, Koshlyakova, Natalia, Vigasina, Marina, Polekhovsky, Yury, Britvin, Sergey, Sidorov, Evgeny, Turchkova, Anna (2018) Copper in Natural Oxide Spinels: The New Mineral Thermaerogenite CuAl2O4, Cuprospinel and Cu-Enriched Varieties of Other Spinel-Group Members from Fumaroles of the Tolbachik Volcano, Kamchatka, Russia. Minerals, 8 (11) 498 doi:10.3390/min8110498 Bulakh, M. O., Pekov, I. V., Koshlyakova, N. N., Sidorov, E. G. (2022) Ludwigite and Yuanfuliite from Fumarolic Exhalations of the Tolbachik Volcano, Kamchatka, Russia. Geology of Ore Deposits, 64 (8) 607-621 doi:10.1134/s1075701522080037 |
| ⓘ Starovaite (TL) Formula: KCu5O(VO4)3 Type Locality: References: Pekov, Igor V., Zelenski, Michael E., Yapaskurt, Vasiliy O., Polekhovsky, Yury S., Murashko, M Ikhailn. (2013) Starovaite, KCu5O(VO4)3, a new mineral from fumarole sublimates of the Tolbachik volcano, Kamchatka, Russia. European Journal of Mineralogy, 25 (1) 91-96 doi:10.1127/0935-1221/2013/0025-2258 |
| ⓘ Steklite (TL) Formula: KAl(SO4)2 Localities: Yadovitaya fumarole, Second scoria cone, Northern Breakthrough (North Breach), Great Fissure eruption (Main Fracture), Tolbachik Volcanic field, Milkovsky District, Kamchatka Krai, RussiaArsenatnaya fumarole, Second scoria cone, Northern Breakthrough (North Breach), Great Fissure eruption (Main Fracture), Tolbachik Volcanic field, Milkovsky District, Kamchatka Krai, Russia |
| ⓘ 'Sulfurite' Formula: S |
| ⓘ 'Sulfurite var. Arsensulfurite' Formula: (S,As)8 |
| ⓘ Svabite Formula: Ca5(AsO4)3F References: Pekov, Igor V., Zubkova, Natalia V., Agakhanov, Atali A., Belakovskiy, Dmitry I., Vigasina, Marina F., Yapaskurt, Vasiliy O., Sidorov, Evgeny G., Britvin, Sergey N., Pushcharovsky, Dmitry Y. (2019) New arsenate minerals from the Arsenatnaya fumarole, Tolbachik volcano, Kamchatka, Russia. IX. Arsenatrotitanite, NaTiO(AsO4) Mineralogical Magazine, 83 (3) 453-458 doi:10.1180/mgm.2018.134 Pekov, Igor V., Koshlyakova, Natalia N., Zubkova, Natalia V., Belakovskiy, Dmitry I., Vigasina, Marina F., Agakhanov, Atali A., Ksenofontov, Dmitry A., Turchkova, Anna G., Britvin, Sergey N., Sidorov, Evgeny G., Pushcharovsky, Dmitry Yu. (2022) A Natural Vanadate–Arsenate Isomorphous Series with Jeffbenite-Type Structure: New Fumarolic Minerals Udinaite, NaMg4(VO4)3, and Arsenudinaite, NaMg4(AsO4)3. Minerals, 12 (7) 850 doi:10.3390/min12070850 Bulakh, M. O., Pekov, I. V., Koshlyakova, N. N., Sidorov, E. G. (2022) Ludwigite and Yuanfuliite from Fumarolic Exhalations of the Tolbachik Volcano, Kamchatka, Russia. Geology of Ore Deposits, 64 (8) 607-621 doi:10.1134/s1075701522080037 Pekov, Igor V.; Zubkova, Natalia V.; Koshlyakova, Natalia N.; Belakovskiy, Dmitry I.; Vigasina, Marina F.; Agakhanov, Atali A.; Britvin, Sergey N.; Turchkova, Anna G.; Sidorov, Evgeny G.; Zhegunov, Pavel S.; et al. (2025) Achyrophanite, (K,Na)3(Fe3+,Ti,Al,Mg)5O2(AsO4)5, a New Mineral with the Novel Structure Type from Fumarolic Exhalations of the Tolbachik Volcano, Kamchatka, Russia. Minerals, 15 (7). doi:10.3390/min15070706 Bulakh, M. O; Britvin, S. N; Zubkova, N. V; Yapaskurt, V. O; Agakhanov, A. A; Anikin, L. P; Pekov, I. V (2025) Fredrikssonite from Fumarolic Exhalations of the Tolbachik Volcano (Kamchatka, Russia), its Crystal Structure and Chemical-Genetic Features. Zapiski of the Russian Mineralogical Society, CLIV (3). 56-72 |
| ⓘ Sylvite Formula: KCl Localities: Arsenatnaya fumarole, Second scoria cone, Northern Breakthrough (North Breach), Great Fissure eruption (Main Fracture), Tolbachik Volcanic field, Milkovsky District, Kamchatka Krai, RussiaFirst scoria cone, Northern Breakthrough (North Breach), Great Fissure eruption (Main Fracture), Tolbachik Volcanic field, Milkovsky District, Kamchatka Krai, RussiaGlavnaya Tenoritovaya fumarole (Major Tenorite), Second scoria cone, Northern Breakthrough (North Breach), Great Fissure eruption (Main Fracture), Tolbachik Volcanic field, Milkovsky District, Kamchatka Krai, RussiaNovaya fumarole, Second scoria cone, Northern Breakthrough (North Breach), Great Fissure eruption (Main Fracture), Tolbachik Volcanic field, Milkovsky District, Kamchatka Krai, RussiaSecond scoria cone, Northern Breakthrough (North Breach), Great Fissure eruption (Main Fracture), Tolbachik Volcanic field, Milkovsky District, Kamchatka Krai, Russia |
| ⓘ Syngenite Formula: K2Ca(SO4)2 · H2O |
| ⓘ Tenorite Formula: CuO Localities: Reported from at least 7 localities in this region. |
| ⓘ Thénardite Formula: Na2SO4 Localities: First scoria cone, Northern Breakthrough (North Breach), Great Fissure eruption (Main Fracture), Tolbachik Volcanic field, Milkovsky District, Kamchatka Krai, RussiaYadovitaya fumarole, Second scoria cone, Northern Breakthrough (North Breach), Great Fissure eruption (Main Fracture), Tolbachik Volcanic field, Milkovsky District, Kamchatka Krai, RussiaSecond scoria cone, Northern Breakthrough (North Breach), Great Fissure eruption (Main Fracture), Tolbachik Volcanic field, Milkovsky District, Kamchatka Krai, Russia |
| ⓘ Thermaerogenite (TL) Formula: CuAl2O4 Type Locality: References: Pekov, Igor, Sandalov, Fedor, Koshlyakova, Natalia, Vigasina, Marina, Polekhovsky, Yury, Britvin, Sergey, Sidorov, Evgeny, Turchkova, Anna (2018) Copper in Natural Oxide Spinels: The New Mineral Thermaerogenite CuAl2O4, Cuprospinel and Cu-Enriched Varieties of Other Spinel-Group Members from Fumaroles of the Tolbachik Volcano, Kamchatka, Russia. Minerals, 8 (11) 498 doi:10.3390/min8110498 |
| ⓘ Thermonatrite Formula: Na2CO3 · H2O |
| ⓘ Tilasite Formula: CaMg(AsO4)F References: Pekov, I. V., Zubkova, N. V., Yapaskurt, V. O., Belakovskiy, D. I., Lykova, I. S., Vigasina, M. F., Sidorov, E. G., Pushcharovsky, D. Yu. (2014) New arsenate minerals from the Arsenatnaya fumarole, Tolbachik volcano, Kamchatka, Russia. I. Yurmarinite, Na7(Fe3+,Mg,Cu)4(AsO4)6. Mineralogical Magazine, 78 (4) 905-917 doi:10.1180/minmag.2014.078.4.10 Pekov, Igor V., Shchipalkina, Nadezhda V., Zubkova, Natalia V., Gurzhiy, Vladislav V., Agakhanov, Atali A., Belakovskiy, Dmitry I., Chukanov, Nikita V., Lykova, Inna S., Vigasina, Marina F., Koshlyakova, Natalia N., Sidorov, Evgeny G., Giester, Gerald (2019) Alkali sulfates with aphthitalite-like structures from fumaroles of the Tolbachik Volcano, Kamchatka, Russia. I. Metathénardite, a natural high-temperature modification of Na2SO4. The Canadian Mineralogist, 57 (6) 885-901 doi:10.3749/canmin.1900050 Bulakh, M. O., Pekov, I. V., Koshlyakova, N. N., Sidorov, E. G. (2022) Ludwigite and Yuanfuliite from Fumarolic Exhalations of the Tolbachik Volcano, Kamchatka, Russia. Geology of Ore Deposits, 64 (8) 607-621 doi:10.1134/s1075701522080037 Pekov, Igor V., Koshlyakova, Natalia N., Zubkova, Natalia V., Belakovskiy, Dmitry I., Vigasina, Marina F., Agakhanov, Atali A., Ksenofontov, Dmitry A., Turchkova, Anna G., Britvin, Sergey N., Sidorov, Evgeny G., Pushcharovsky, Dmitry Yu. (2022) A Natural Vanadate–Arsenate Isomorphous Series with Jeffbenite-Type Structure: New Fumarolic Minerals Udinaite, NaMg4(VO4)3, and Arsenudinaite, NaMg4(AsO4)3. Minerals, 12 (7) 850 doi:10.3390/min12070850 Pekov, Igor V.; Zubkova, Natalia V.; Koshlyakova, Natalia N.; Belakovskiy, Dmitry I.; Vigasina, Marina F.; Agakhanov, Atali A.; Britvin, Sergey N.; Turchkova, Anna G.; Sidorov, Evgeny G.; Zhegunov, Pavel S.; et al. (2025) Achyrophanite, (K,Na)3(Fe3+,Ti,Al,Mg)5O2(AsO4)5, a New Mineral with the Novel Structure Type from Fumarolic Exhalations of the Tolbachik Volcano, Kamchatka, Russia. Minerals, 15 (7). doi:10.3390/min15070706 Bulakh, M. O; Britvin, S. N; Zubkova, N. V; Yapaskurt, V. O; Agakhanov, A. A; Anikin, L. P; Pekov, I. V (2025) Fredrikssonite from Fumarolic Exhalations of the Tolbachik Volcano (Kamchatka, Russia), its Crystal Structure and Chemical-Genetic Features. Zapiski of the Russian Mineralogical Society, CLIV (3). 56-72 |
| ⓘ Titanite Formula: CaTiO(SiO4) References: Shchipalkina, Nadezhda V., Pekov, Igor V., Koshlyakova, Natalia N., Britvin, Sergey N., Zubkova, Natalia V., Varlamov, Dmitry A., Sidorov, Eugeny G. (2020) Unusual silicate mineralization in fumarolic sublimates of the Tolbachik volcano, Kamchatka, Russia – Part 2: Tectosilicates. European Journal of Mineralogy, 32 (1) 121-136 doi:10.5194/ejm-32-121-2020 |
| ⓘ Tolbachite (TL) Formula: CuCl2 Localities: First scoria cone, Northern Breakthrough (North Breach), Great Fissure eruption (Main Fracture), Tolbachik Volcanic field, Milkovsky District, Kamchatka Krai, RussiaYadovitaya fumarole, Second scoria cone, Northern Breakthrough (North Breach), Great Fissure eruption (Main Fracture), Tolbachik Volcanic field, Milkovsky District, Kamchatka Krai, Russia |
| ⓘ Tridymite Formula: SiO2 References: Shchipalkina, Nadezhda, Pekov, Igor, Britvin, Sergey, Koshlyakova, Natalia, Vigasina, Marina, Sidorov, Evgeny (2019) A New Mineral Ferrisanidine, K[Fe3+Si3O8], the First Natural Feldspar with Species-Defining Iron. Minerals, 9 (12) 770 doi:10.3390/min9120770 Pekov, Igor V.; Zubkova, Natalia V.; Agakhanov, Atali A.; Belakovskiy, Dmitry I.; Vigasina, Marina F.; Yapaskurt, Vasiliy O.; Britvin, Sergey N.; Turchkova, Anna G.; Sidorov, Evgeny G.; Zhitova, Elena S.; et al. (2026) Polyarsite, Na7CaMgCu2(AsO4)4F2Cl, a New Mineral with Unique Complex Layers in the Novel-Type Crystal Structure. Minerals, 16 (2). doi:10.3390/min16020122 |
| ⓘ Tripuhyite Formula: Fe3+Sb5+O4 References: Pekov, Igor V., Zubkova, Natalia V., Yapaskurt, Vasiliy O., Polekhovsky, Yury S., Vigasina, Marina F., Britvin, Sergey N., Turchkova, Anna G., Sidorov, Evgeny G., Pushcharovsky, Dmitry Yu. (2020) A new mineral borisenkoite, Cu3[(V,As)O4]2, and the isomorphous series borisenkoite–lammerite-β in fumarolic exhalations of the Tolbachik volcano, Kamchatka, Russia. Physics and Chemistry of Minerals, 47 (3) doi:10.1007/s00269-020-01081-y |
| ⓘ Udinaite (TL) Formula: NaMg4(VO4)3 Type Locality: References: Pekov, Igor V., Koshlyakova, Natalia N., Zubkova, Natalia V., Belakovskiy, Dmitry I., Vigasina, Marina F., Agakhanov, Atali A., Ksenofontov, Dmitry A., Turchkova, Anna G., Britvin, Sergey N., Sidorov, Evgeny G., Pushcharovsky, Dmitry Yu. (2022) A Natural Vanadate–Arsenate Isomorphous Series with Jeffbenite-Type Structure: New Fumarolic Minerals Udinaite, NaMg4(VO4)3, and Arsenudinaite, NaMg4(AsO4)3. Minerals, 12 (7) 850 doi:10.3390/min12070850 |
| ⓘ Uklonskovite Formula: NaMg(SO4)F · 2H2O References: Pekov, Igor V., Krzhizhanovskaya, Maria G., Yapaskurt, Vasiliy O., Belakovskiy, Dmitry I., Chukanov, Nikita V., Lykova, Inna S., Sidorov, Evgeny G. (2015) Kononovite, NaMg(SO4)F, a new mineral from the Arsenatnaya fumarole, Tolbachik volcano, Kamchatka, Russia. European Journal of Mineralogy, 27 (4) 575-580 doi:10.1127/ejm/2015/0027-2457 |
| ⓘ 'Unnamed (Lyonsite-like Cu-Fe-Vanadate)' Formula: (Cu,Zn)2(Fe,Al)2[(V,Mo,S,As)O4]3 |
| ⓘ Urusovite (TL) Formula: CuAl(AsO4)O Localities: Novaya fumarole, Second scoria cone, Northern Breakthrough (North Breach), Great Fissure eruption (Main Fracture), Tolbachik Volcanic field, Milkovsky District, Kamchatka Krai, RussiaSecond scoria cone, Northern Breakthrough (North Breach), Great Fissure eruption (Main Fracture), Tolbachik Volcanic field, Milkovsky District, Kamchatka Krai, RussiaArsenatnaya fumarole, Second scoria cone, Northern Breakthrough (North Breach), Great Fissure eruption (Main Fracture), Tolbachik Volcanic field, Milkovsky District, Kamchatka Krai, Russia |
| ⓘ Vanthoffite Formula: Na6Mg(SO4)4 Localities: Glavnaya Tenoritovaya fumarole (Major Tenorite), Second scoria cone, Northern Breakthrough (North Breach), Great Fissure eruption (Main Fracture), Tolbachik Volcanic field, Milkovsky District, Kamchatka Krai, RussiaArsenatnaya fumarole, Second scoria cone, Northern Breakthrough (North Breach), Great Fissure eruption (Main Fracture), Tolbachik Volcanic field, Milkovsky District, Kamchatka Krai, Russia |
| ⓘ Vasilseverginite (TL) Formula: Cu9O4(AsO4)2(SO4)2 Type Locality: References: Pekov, I.V., Britvin, S.N., Yapaskurt, V.O., Krivovichev, S.V., Vigasina, M.F. and Sidorov, E.G. (2021) Vasilseverginite, Cu9O4(AsO4)2(SO4)2, a new fumarolic mineral with a hybrid structure containing novel anion-centered tetrahedral structural units. American Mineralogist: 106: 633-640. |
| ⓘ Vergasovaite (TL) Formula: Cu3(SO4)(MoO4,SO4)O Localities: Treschina fumarole, Second scoria cone, Northern Breakthrough (North Breach), Great Fissure eruption (Main Fracture), Tolbachik Volcanic field, Milkovsky District, Kamchatka Krai, RussiaYadovitaya fumarole, Second scoria cone, Northern Breakthrough (North Breach), Great Fissure eruption (Main Fracture), Tolbachik Volcanic field, Milkovsky District, Kamchatka Krai, RussiaSecond scoria cone, Northern Breakthrough (North Breach), Great Fissure eruption (Main Fracture), Tolbachik Volcanic field, Milkovsky District, Kamchatka Krai, Russia |
| ⓘ Vladkuzminite (TL) Formula: K4CuZn3(AsO4)4 Type Locality: References: Koshlyakova, N. N., Pekov, I. V., Agakhanov, A. A., Burns, P. C., Zubkova, N. V., Vigasina, M. F., Britvin, S. N., Hazen, R. M., and Zhitova, E. S.: Vladkuzminite, IMA 2023-106, in: CNMNC Newsletter 78, Eur. J. Mineral., 36, https://doi.org/10.5194/ejm-36-361-2024, 2024. |
| ⓘ Vlodavetsite (TL) Formula: AlCa2(SO4)2F2Cl · 4H2O Type Locality: |
| ⓘ Wagnerite Formula: Mg2(PO4)F References: Pekov, Igor V., Koshlyakova, Natalia N., Zubkova, Natalia V., Belakovskiy, Dmitry I., Vigasina, Marina F., Agakhanov, Atali A., Ksenofontov, Dmitry A., Turchkova, Anna G., Britvin, Sergey N., Sidorov, Evgeny G., Pushcharovsky, Dmitry Yu. (2022) A Natural Vanadate–Arsenate Isomorphous Series with Jeffbenite-Type Structure: New Fumarolic Minerals Udinaite, NaMg4(VO4)3, and Arsenudinaite, NaMg4(AsO4)3. Minerals, 12 (7) 850 doi:10.3390/min12070850 |
| ⓘ Wollastonite Formula: Ca3(Si3O9) References: Shchipalkina, Nadezhda V., Pekov, Igor V., Koshlyakova, Natalia N., Britvin, Sergey N., Zubkova, Natalia V., Varlamov, Dmitry A., Sidorov, Eugeny G. (2020) Unusual silicate mineralization in fumarolic sublimates of the Tolbachik volcano, Kamchatka, Russia – Part 2: Tectosilicates. European Journal of Mineralogy, 32 (1) 121-136 doi:10.5194/ejm-32-121-2020 |
| ⓘ Wrightite (TL) Formula: K2Al2O(AsO4)2 Type Locality: References: Shablinskii, Andrey P., Filatov, Stanislav K., Vergasova, Lidyua P., Avdontseva, Eugeniya Yu., Moskaleva, Svetlana V. (2018) Wrightite, K2Al2O(AsO4)2, a new oxo-orthoarsenate from the Second scoria cone, Northern Breakthrough, Great Fissure eruption, Tolbachik volcano, Kamchatka peninsula, Russia. Mineralogical Magazine, 82 (6) 1243-1251 doi:10.1180/minmag.2017.081.091 |
| ⓘ Wulffite (TL) Formula: K3NaCu4O2(SO4)4 Type Locality: References: Pekov, I. V., Zubkova, N. V., Yapaskurt, V. O., Belakovskiy, D. I., Chukanov, N. V., Lykova, I. S., Savelyev, D. P., Sidorov, E. G., Pushcharovsky, D. Y. (2014) Wulffite, K3NaCu4O2(SO4)4, and parawulffite, K5Na3Cu8O4(SO4)8, two new minerals from fumarole sublimates of the Tolbachik Volcano, Kamchatka, Russia. The Canadian Mineralogist, 52 (4) 699-716 doi:10.3749/canmin.1400018 Pekov, Igor V., Shchipalkina, Nadezhda V., Zubkova, Natalia V., Gurzhiy, Vladislav V., Agakhanov, Atali A., Belakovskiy, Dmitry I., Chukanov, Nikita V., Lykova, Inna S., Vigasina, Marina F., Koshlyakova, Natalia N., Sidorov, Evgeny G., Giester, Gerald (2019) Alkali sulfates with aphthitalite-like structures from fumaroles of the Tolbachik Volcano, Kamchatka, Russia. I. Metathénardite, a natural high-temperature modification of Na2SO4. The Canadian Mineralogist, 57 (6) 885-901 doi:10.3749/canmin.1900050 Pekov, Igor V.; Britvin, Sergey N.; Bulakh, Maria O.; Belakovskiy, Dmitry I.; Yapaskurt, Vasiliy O.; Turchkova, Anna G.; Anikin, Leonid P. (2025) Kantorite, K2NaMg(SO4)2F, a new fumarolic mineral from the Tolbachik volcano, Kamchatka, Russia. Mineralogical Magazine, 89 (5). 575-581 doi:10.1180/mgm.2025.23 Pekov, Igor V.; Zubkova, Natalia V.; Agakhanov, Atali A.; Koshlyakova, Natalia N.; Chukanov, Nikita V.; Yapaskurt, Vasiliy O.; Britvin, Sergey N.; Turchkova, Anna G.; Zhitova, Elena S.; Pushcharovsky, Dmitry Yu. (2026) New arsenate minerals from the Arsenatnaya fumarole, Tolbachik volcano, Kamchatka, Russia. XXI. Magganasite, CuFe3+3O(AsO4)3. Mineralogical Magazine, 90 (2). p.472-480. doi:10.1180/mgm.2025.10141 |
| ⓘ Yangzhumingite Formula: KMg2.5(Si4O10)F2 References: Shchipalkina, Nadezhda V., Pekov, Igor V., Koshlyakova, Natalia N., Britvin, Sergey N., Zubkova, Natalia V., Varlamov, Dmitry A., Sidorov, Eugeny G. (2020) Unusual silicate mineralization in fumarolic sublimates of the Tolbachik volcano, Kamchatka, Russia – Part 2: Tectosilicates. European Journal of Mineralogy, 32 (1) 121-136 doi:10.5194/ejm-32-121-2020 |
| ⓘ Yaroshevskite (TL) Formula: Cu9O2(VO4)4Cl2 Localities: Yadovitaya fumarole, Second scoria cone, Northern Breakthrough (North Breach), Great Fissure eruption (Main Fracture), Tolbachik Volcanic field, Milkovsky District, Kamchatka Krai, RussiaSecond scoria cone, Northern Breakthrough (North Breach), Great Fissure eruption (Main Fracture), Tolbachik Volcanic field, Milkovsky District, Kamchatka Krai, Russia |
| ⓘ Yuanfuliite Formula: Mg(Fe3+,Al)O(BO3) References: Bulakh, M. O., Pekov, I. V., Koshlyakova, N. N., Sidorov, E. G. (2022) Ludwigite and Yuanfuliite from Fumarolic Exhalations of the Tolbachik Volcano, Kamchatka, Russia. Geology of Ore Deposits, 64 (8) 607-621 doi:10.1134/s1075701522080037 |
| ⓘ Yurgensonite (TL) Formula: K2SnTiO2(AsO4)2 Type Locality: References: Pekov, Igor V.; Zubkova, Natalia V.; Koshlyakova, Natalia N.; Belakovskiy, Dmitry I.; Vigasina, Marina F.; Agakhanov, Atali A.; Britvin, Sergey N.; Turchkova, Anna G.; Sidorov, Evgeny G.; Zhegunov, Pavel S.; et al. (2025) Achyrophanite, (K,Na)3(Fe3+,Ti,Al,Mg)5O2(AsO4)5, a New Mineral with the Novel Structure Type from Fumarolic Exhalations of the Tolbachik Volcano, Kamchatka, Russia. Minerals, 15 (7). doi:10.3390/min15070706 |
| ⓘ Yurmarinite (TL) Formula: Na7(Fe3+,Mg,Cu)4(AsO4)6 Type Locality: References: Pekov, I. V., Zubkova, N. V., Yapaskurt, V. O., Belakovskiy, D. I., Lykova, I. S., Vigasina, M. F., Sidorov, E. G., Pushcharovsky, D. Yu. (2014) New arsenate minerals from the Arsenatnaya fumarole, Tolbachik volcano, Kamchatka, Russia. I. Yurmarinite, Na7(Fe3+,Mg,Cu)4(AsO4)6. Mineralogical Magazine, 78 (4) 905-917 doi:10.1180/minmag.2014.078.4.10 Pekov, Igor V.; Zubkova, Natalia V.; Koshlyakova, Natalia N.; Belakovskiy, Dmitry I.; Vigasina, Marina F.; Agakhanov, Atali A.; Britvin, Sergey N.; Turchkova, Anna G.; Sidorov, Evgeny G.; Zhegunov, Pavel S.; et al. (2025) Achyrophanite, (K,Na)3(Fe3+,Ti,Al,Mg)5O2(AsO4)5, a New Mineral with the Novel Structure Type from Fumarolic Exhalations of the Tolbachik Volcano, Kamchatka, Russia. Minerals, 15 (7). doi:10.3390/min15070706 |
| ⓘ Zincite Formula: ZnO Localities: Arsenatnaya fumarole, Second scoria cone, Northern Breakthrough (North Breach), Great Fissure eruption (Main Fracture), Tolbachik Volcanic field, Milkovsky District, Kamchatka Krai, RussiaYadovitaya fumarole, Second scoria cone, Northern Breakthrough (North Breach), Great Fissure eruption (Main Fracture), Tolbachik Volcanic field, Milkovsky District, Kamchatka Krai, Russia |
| ⓘ Zincobradaczekite (TL) Formula: NaZn2Cu2(AsO4)3 Type Locality: References: Pekov, Igor V.; Lykova, Inna; Koshlyakova, Natalia N.; Belakovskiy, Dmitry I.; Vigasina, Marina F.; Turchkova, Anna G.; Britvin, Sergey N.; Sidorov, Evgeny G.; Scheidl, Katharina S. (2020) A new mineral species zincobradaczekite, NaCuCuZn2(AsO4)3, and a new isomorphous series bradaczekite–zincobradaczekite in the alluaudite group. Physics and Chemistry of Minerals, 47 (8). 36 doi:10.1007/s00269-020-01104-8 |
| ⓘ Zincochromite Formula: ZnCr2O4 References: Pekov, Igor, Sandalov, Fedor, Koshlyakova, Natalia, Vigasina, Marina, Polekhovsky, Yury, Britvin, Sergey, Sidorov, Evgeny, Turchkova, Anna (2018) Copper in Natural Oxide Spinels: The New Mineral Thermaerogenite CuAl2O4, Cuprospinel and Cu-Enriched Varieties of Other Spinel-Group Members from Fumaroles of the Tolbachik Volcano, Kamchatka, Russia. Minerals, 8 (11) 498 doi:10.3390/min8110498 |
| ⓘ Zincomenite (TL) Formula: ZnSeO3 Type Locality: References: Pekov, Igor V., Zubkova, Natalia V., Yapaskurt, Vasiliy O., Britvin, Sergey N., Chukanov, Nikita V., Lykova, Inna S., Sidorov, Evgeny G., Pushcharovsky, Dmitry Y. (2016) Zincomenite, ZnSeO3, a new mineral from the Tolbachik volcano, Kamchatka, Russia. European Journal of Mineralogy, 28 (5) 997-1004 doi:10.1127/ejm/2016/0028-2564 |
| ⓘ Zircarsite (TL) Formula: Na18Cu12ZrO8(AsO4)8Cl6 Type Locality: References: Koshlyakova, N. N., Pekov, I. V., Agakhanov, A. A., Burns, P. C., Bullock, E., Yapaskurt, V. O., Zubkova, N. V., Britvin, S. N., Hazen, R. M., and Zhitova, E. S.: Zircarsite, IMA 2024-037, in: CNMNC Newsletter 81, Eur. J. Mineral., 36, https://doi.org/10.5194/ejm-36-917-2024, 2024. |
| ⓘ Zubkovaite (TL) Formula: Ca3Cu3(AsO4)4 Type Locality: References: Pekov, Igor V., Lykova, Inna S., Agakhanov, Atali A., Belakovskiy, Dmitry I., Vigasina, Marina F., Britvin, Sergey N., Turchkova, Anna G., Sidorov, Evgeny G., Scheidl, Katharina S. (2019) New arsenate minerals from the Arsenatnaya fumarole, Tolbachik volcano, Kamchatka, Russia. XII. Zubkovaite, Ca3Cu3(AsO4)4. Mineralogical Magazine, 83 (6) 879-886 doi:10.1180/mgm.2019.33 |
First scoria cone, Northern Breakthrough, Great Fissure eruption, Tolbachik Volcanic field, Milkovsky District, Kamchatka Krai, Russia