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Osumilite Group

A group of related mineral species
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03882980017271925717317.jpg
Osumilite-(Mg)

Caspar quarry, Ettringen, Vordereifel, Mayen-Koblenz, Rhineland-Palatinate, Germany
02053090017272471118045.jpg
Milarite

Val Giuv, Tujetsch, Surselva Region, Grisons, Switzerland
04334910017272000566019.jpg
Chayesite

Caspar quarry, Ettringen, Vordereifel, Mayen-Koblenz, Rhineland-Palatinate, Germany
03882980017271925717317.jpg
Osumilite-(Mg)

Caspar quarry, Ettringen, Vordereifel, Mayen-Koblenz, Rhineland-Palatinate, Germany
02053090017272471118045.jpg
Milarite

Val Giuv, Tujetsch, Surselva Region, Grisons, Switzerland
05355250017272471129442.jpg
Chayesite

Caspar quarry, Ettringen, Vordereifel, Mayen-Koblenz, Rhineland-Palatinate, Germany
03882980017271925717317.jpg
Osumilite-(Mg)

Caspar quarry, Ettringen, Vordereifel, Mayen-Koblenz, Rhineland-Palatinate, Germany
02053090017272471118045.jpg
Milarite

Val Giuv, Tujetsch, Surselva Region, Grisons, Switzerland
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About Osumilite GroupHide

Formula:
(XIIC)(IXB)2(VIA)2(IVT2)3[(IVT1)12O30]
C = most commonly K; sometimes Na, Ba, ◻; maybe Ca;
B = commonly ◻; sometimes Na, H2O, K; maybe Ca;
A = Al, Fe3+, Fe2+, Mn2+, Mn3+, Mg, Sn4+, Zr, Ti, Ca, Y, Sc; sometimes Na;

T1 (the cations typical of the tetrahedra that make up the [T12O30] double rings) = most commonly Si; sometimes Al;

T2 (the cations typical of the tetrahedra that link the double rings together into a 3D framework) = Li, Be, B, Al, Zn; sometimes Si, Mg, Fe2+, Fe3+.
A complex group of ring silicates; also known as "milarite group" (synonymous).

'UM1984-35-SiO:AlCaFeKMg' may be a K-, Ca- and Mg-rich member.

Various synthetic members are known.

Structurally related to the Tuhualite Group.


Unique IdentifiersHide

Mindat ID:
29318
Long-form identifier:
mindat:1:1:29318:3

Chemistry of Osumilite GroupHide

Mindat Formula:
(XIIC)(IXB)2(VIA)2(IVT2)3[(IVT1)12O30]

C = most commonly K; sometimes Na, Ba, ◻; maybe Ca;
B = commonly ◻; sometimes Na, H2O, K; maybe Ca;
A = Al, Fe3+, Fe2+, Mn2+, Mn3+, Mg, Sn4+, Zr, Ti, Ca, Y, Sc; sometimes Na;

T1 (the cations typical of the tetrahedra that make up the [T12O30] double rings) = most commonly Si; sometimes Al;

T2 (the cations typical of the tetrahedra that link the double rings together into a 3D framework) = Li, Be, B, Al, Zn; sometimes Si, Mg, Fe2+, Fe3+.

Chemical AnalysisHide

Oxide wt%:
 12345
Ba
Al12.1462875 %
Ti0.1318548 %
Fe3.070335 %
Mn0.10067980000000001 %
Mg4.2333408 %
Na0.43769739999999996 %
K3.436821 %
Cr
Ca
O47.5942346 %
Si28.2187491 %
SiO260.37 %71.86 %72.92 %72.48 %72.48 %
Al2O322.95 %5.99 %7.63 %1.89 %1.89 %
TiO20.22 %0.05 %0.01 %0.08 %0.08 %
FeO (tot.)3.95 %
MnO0.13 %
MgO7.02 %0.08 %0.21 %0.00 %0.00 %
Na2O0.59 %5.95 %6.29 %5.75 %5.75 %
K2O4.14 %4.65 %4.65 %4.59 %4.59 %
Cr2O3tr. %0.01 %
CaOtr. %0.01 %0.00 %0.00 %
BaOtr. %0.03 %0.00 %0.00 %
Mn2O3*4.46 %1.57 %
Fe2O3*2.14 %0.91 %6.09 %6.09 %
MnO*0.27 %1.73 %7.04 %
SrO0.03 %0.03 %
Li2O (by stoichiometry)4.37 %4.33 %
P2O50.01 %
Li2O**3 %
H2O**1 %
Mn2O3***7.83 %
Li2O#4.2 %
Total:198.74 %99.89 %100.3 %101.92 %102.91 %
Empirical formulas:
Sample IDEmpirical Formula
1(K0.80Na0.19)(Mg1.46Fe2+0.55Mn0.02)(Al2.67Ti0.03Mg0.30)(Si10.13Al1.87)O30
2(K0.99◻0.01)(Na1.93◻0.07)(Al1.10Mn3+0.57Fe3+0.27Mn2+0.04Mg0.02Ti0.01)(Li2.93Al0.07)[Si11.99Al0.01O30]
3(K0.98Na0.01)Na2.00(Al1.39Mn2+0.24Mn3+0.20Fe3+0.11Mg0.05)(Li2.87Al0.09)[Si12.03O30]
Sample references:
IDLocalityReferenceNotes
1Roadcut Fv 503 Vikesdal, Vikeså, Bjerkreim, Rogaland, Norway
Maijer, Cees; Jansen, J. Ben H.; Wevers, J.; Poorter, René P.E. (1977) Contribution to the mineralogy of Norway, no 63. Osumilite, a mineral new to Norway. Norsk Geologisk Tidsskrift [Norwegian Journal of Geology], 57 (2). 187-188
Analysed with electron microprobe
2N'Chwaning III Mine, N'Chwaning Mines, Joe Morolong Local Municipality, John Taolo Gaetsewe District Municipality, Northern Cape, South Africa
Frank K. Mazdab collection; sample FKM-173; https://www.rockptx.com/fkm-176-to-fkm-200/#FKM-173
occurs as abundant low-z "globular" and vuggy masses overgrown by similar globular sugilite. Li2O content for this analysis is calculated by stoichiometry. Mn and Fe initially treated as 2+; subsequent Mn3+ (and hence Mn2O3) and Fe3+ (and hence Fe2O3) derived by charge balance. This analysis is a "representative" composition.
3  "  "
Frank K. Mazdab collection; sample FKM-173; https://www.rockptx.com/fkm-176-to-fkm-200/#FKM-173
occurs as abundant low-z "globular" and vuggy masses overgrown by similar globular sugilite. Li2O content for this analysis is calculated by stoichiometry. Mn and Fe initially treated as 2+; subsequent Mn3+ (and hence Mn2O3) and Fe3+ (and hence Fe2O3) derived by charge balance. This analysis represents the most Al-rich composition observed.
4Furumiya mine, Tobe-cho, Iyo district, Ehime Prefecture, Japan
HIROWATARI, Fumitoshi, FUKUOKA, Masato (1989) Some Problems of the studies on the manganese minerals in Japan. Journal of the Mineralogical Society of Japan, 18 (6) 347-365 doi:10.2465/gkk1952.18.347
original analysis #4 from Hirowatari & Fukuoka, 1998
5  "  "
re-calculation of analysis #4 from Hirowatari, F. and Fukuoka, M. (1989) based on Si=12 apfu normalization; Frank Mazdab re-normalization. *reported as ***calculated from measured Mn by charge balance #calculated from stoichiometry

Crystal StructureHide

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IDSpeciesReferenceLinkYearLocalityPressure (GPa)Temp (K)
0020413Agakhanovite-(Y)Hawthorne F C, Abdu Y A, Ball N A, Cerny P, Kristiansen R (2014) Agakhanovite-(Y), ideally (YCa)2KBe3Si12O30, a new milarite-group mineral from the Heftetjern pegmatite, Tordal, Southern Norway: description and crystal structure American Mineralogist 99 2084-20882014Heftetjern pegmatite, Tordal, Norway0293
0014649FriedrichbeckeiteLengauer C L, Hrauda N, Kolitsch U, Krickl R, Tillmanns E (2009) Friedrichbeckeite, K(_0.5Na0.5)2(Mg0.8Mn0.1Fe0.1)2(Be0.6Mg0.4)3[Si12O30], a new milarite-type mineral from the Bellerberg volcano, Eifel area, Germany Mineralogy and Petrology 96 221-2322009Bellerberg volcano, Eifel area, Germany0293
0007263OsumiliteBalassone G, Mormone A, Rossi M, Bernardi A, Fisch M, Armbruster T, Malsy K, Berger A (2008) Crystal chemical and structural characterization of an Mg-rich osumilite from Vesuvius volcano (Italy) European Journal of Mineralogy 20 713-7202008Vesuvius volcano, Italy0293
0007256OsumiliteSeryotkin Y V, Sokol E V, Bakakin V V, Likhacheva A Y (2008) Pyrometamorphic osumilite: occurrence, paragenesis, and crystal structure as compared to cordierite European Journal of Mineralogy 20 191-1982008South Urals, Russia0293
0006096OftedaliteCooper M A, Hawthorne F C, Ball N A, Cerny P, Kristiansen R (2006) Oftedalite, (Sc,Ca,Mn2+)2 K (Be,Al)3 Si12 O30, a new member of the milarite group from the Heftetjern pegmatite, Tordal, Norway: description and crystal structure The Canadian Mineralogist 44 943-9492006Heftetjern pegmatite, Tordal, Norway0293
0014724AlmaruditeMihajlovic T, Lengauer C L, Ntaflos T, Lolitsch U, Tillmanns E (2004) Two new minerals, rondorfite, Ca8Mg[SiO4]4Cl2, and almarudite, K(box,Na)2(Mn,Fe,Mg)2(Be,Al)3[Si12O30], and a study of iron-rich wadalite, Ca12[(Al8Si4Fe2)O32]C16, from the Bellerberg (Bellberg) volcano, Eifel, Germany Eastern Eifel volcanic area, Eifel, Germany Neues Jahrbuch fur Mineralogie, Abhandlungen 179 265-2942004Bellerberg volcano lava field, 2 km N of Mayen,0293
0005692SogdianiteSokolova E V, Hawthorne F C, Pautov L A (2000) The crystal chemistry of Li-bearing minerals with the milarite-type structure: The crystal structure of end-member sogdianite The Canadian Mineralogist 38 853-8592000Dara-i-Pioz, Tadjikistan0293
0002224SogdianiteCooper M A, Hawthorne F C, Grew E S (1999) The crystal chemistry of sogdianite, a milarite-group mineral American Mineralogist 84 764-7681999Dara-i-Pioz, Tadjikistan0293
0014514RoedderiteAlietti E, Brigatti M F, Capedri S, Poppi L (1994) The roedderite-chayesite series from Spanish lamproites: crystal chemical characterization Mineralogical Magazine 58 655-6621994Cancarix, Albacete province, Spain0293
0014513RoedderiteAlietti E, Brigatti M F, Capedri S, Poppi L (1994) The roedderite-chayesite series from Spanish lamproites: crystal chemical characterization Mineralogical Magazine 58 655-6621994Cancarix, Albacete province, Spain0293
0014510RoedderiteAlietti E, Brigatti M F, Capedri S, Poppi L (1994) The roedderite-chayesite series from Spanish lamproites: crystal chemical characterization Mineralogical Magazine 58 655-6621994Cancarix, Albacete province, Spain0293
0014512ChayesiteAlietti E, Brigatti M F, Capedri S, Poppi L (1994) The roedderite-chayesite series from Spanish lamproites: crystal chemical characterization Mineralogical Magazine 58 655-6621994Cancarix, Albacete province, Spain0293
0014511ChayesiteAlietti E, Brigatti M F, Capedri S, Poppi L (1994) The roedderite-chayesite series from Spanish lamproites: crystal chemical characterization Mineralogical Magazine 58 655-6621994Cancarix, Albacete province, Spain0293
0014509ChayesiteAlietti E, Brigatti M F, Capedri S, Poppi L (1994) The roedderite-chayesite series from Spanish lamproites: crystal chemical characterization Mineralogical Magazine 58 655-6621994Cancarix, Albacete province, Spain0293
0006356MilariteArmbruster T, Bermanec V, Wenger M, Oberhansli R (1989) Crystal chemistry of double-ring silicates: Structure of natural and dehydrated milarite at 100 K European Journal of Mineralogy 1 353-3621989Val Giuf, Graubunden, Switzerland0293
0005217PoudretteiteGrice J D, Ercit T S, Van Velthuizen J, Dunn P J (1987) Poudretteite, KNa2B3Si12O30, a new member of the osumilite group from Mont Saint-Hilaire, Quebec, and its crystal structure The Canadian Mineralogist 25 763-7661987Mont Saint-Hilaire, Quebec, Canada0293
0005176MilariteCerny P, Hawthorne F C, Jarosewich E (1980) Crystal chemistry of milarite The Canadian Mineralogist 18 41-571980Vezna west, Czechoslovakia0293
0005175MilariteCerny P, Hawthorne F C, Jarosewich E (1980) Crystal chemistry of milarite The Canadian Mineralogist 18 41-571980Vezna west, Czechoslovakia0293
0005174MilariteCerny P, Hawthorne F C, Jarosewich E (1980) Crystal chemistry of milarite The Canadian Mineralogist 18 41-571980Kings Mt., North Carolina, USA0293
0013387EifeliteNguyen N, Choisnet J, Raveau B (1980) Silicates synthetiques a structure milarite Journal of Solid State Chemistry 34 1-91980synthetic0293
0013386ChayesiteNguyen N, Choisnet J, Raveau B (1980) Silicates synthetiques a structure milarite Journal of Solid State Chemistry 34 1-91980synthetic0293
0009423MerrihueiteKhan A A, Baur W H, Forbes W C (1972) Synthetic magnesian merrihueite, dipotassium pentamagnesium dodecasilicate: a tetrahedral magnesiosilicate framework crystal structure Acta Crystallographica B28 267-2721972synthetic0293
0007067TrattneritePostl W, Walter F, Ettinger K, Hauzenberger C, Bojar H P (2004) Trattnerite, (Fe,Mg)2(Mg,Fe)3[Si12O30], a new mineral of the milarite group: mineral data and crystal structure European Journal of Mineralogy 16 375-38020040293
0007066TrattneritePostl W, Walter F, Ettinger K, Hauzenberger C, Bojar H P (2004) Trattnerite, (Fe,Mg)2(Mg,Fe)3[Si12O30], a new mineral of the milarite group: mineral data and crystal structure European Journal of Mineralogy 16 375-38020040293
0012494ShibkoviteSokolova E V, Rybakov V B, Pautov L A (1999) Crystal structure of shibkovite Doklady Akademii Nauk SSSR 369 378-38019990293
0005605DarapiositeFerraris G, Prencipe M, Puatov L A, Sokolova E V (1999) The crystal structure of darapiosite and a comparison with Li- and Zn-bearing minerals of the milarite group The Canadian Mineralogist 37 769-77419990293
0002054ArmeniteArmbruster T (1999) Si,Al ordering in the double-ring silicate armenite, BaCa2Al6Si9O30.2H2O: A single-crystal X-ray and 29Si MAS NMR study American Mineralogist 84 92-10119990293
0006586OsumiliteWinter W, Armbruster T, Lengauer C (1995) Crystal structure refinement of synthetic osumilite-type phases: BaMg2Al6Si9O30, SrMg2Al6Si9O30 and Mg2Al4Si11O30 European Journal of Mineralogy 7 277-28619950293
0006585OsumiliteWinter W, Armbruster T, Lengauer C (1995) Crystal structure refinement of synthetic osumilite-type phases: BaMg2Al6Si9O30, SrMg2Al6Si9O30 and Mg2Al4Si11O30 European Journal of Mineralogy 7 277-28619950293
0006584OsumiliteWinter W, Armbruster T, Lengauer C (1995) Crystal structure refinement of synthetic osumilite-type phases: BaMg2Al6Si9O30, SrMg2Al6Si9O30 and Mg2Al4Si11O30 European Journal of Mineralogy 7 277-28619950293
0001458ArmeniteArmbruster T, Czank M (1992) H2O ordering and superstructures in armenite, BaCa2Al6Si9O30.2H2O: A single-crystal X-ray and TEM study sample from Remigny, Quebec, Canada American Mineralogist 77 422-43019920293
0001420MilariteHawthorne F C, Kimata M, Cerny P, Ball N A, Rossman G R, Grice J D (1991) The crystal chemistry of the milarite-group minerals sample #37 from Strange Lake American Mineralogist 76 1836-185619910293
0001419MilariteHawthorne F C, Kimata M, Cerny P, Ball N A, Rossman G R, Grice J D (1991) The crystal chemistry of the milarite-group minerals sample #36 from Jaguaracu American Mineralogist 76 1836-185619910293
0001418MilariteHawthorne F C, Kimata M, Cerny P, Ball N A, Rossman G R, Grice J D (1991) The crystal chemistry of the milarite-group minerals sample #30 from Rossing American Mineralogist 76 1836-185619910293
0001417MilariteHawthorne F C, Kimata M, Cerny P, Ball N A, Rossman G R, Grice J D (1991) The crystal chemistry of the milarite-group minerals sample #35 from east Siberia American Mineralogist 76 1836-185619910293
0001416MilariteHawthorne F C, Kimata M, Cerny P, Ball N A, Rossman G R, Grice J D (1991) The crystal chemistry of the milarite-group minerals sample #33 from Tittling American Mineralogist 76 1836-185619910293
0001415MilariteHawthorne F C, Kimata M, Cerny P, Ball N A, Rossman G R, Grice J D (1991) The crystal chemistry of the milarite-group minerals sample #25 from Guanajuato American Mineralogist 76 1836-185619910293
0006361RoedderiteArmbruster T (1989) Crystal chemistry of double-ring silicates: structure of roedderite at 100 and 300 K T= 300 K European Journal of Mineralogy 1 715-71819890293
0006360RoedderiteArmbruster T (1989) Crystal chemistry of double-ring silicates: structure of roedderite at 100 and 300 K T= 100 K European Journal of Mineralogy 1 715-71819890293
0006357MilariteArmbruster T, Bermanec V, Wenger M, Oberhansli R (1989) Crystal chemistry of double-ring silicates: Structure of natural and dehydrated milarite at 100 K European Journal of Mineralogy 1 353-36219890293
0001157SugiliteArmbruster T, Oberhansli R (1988) Crystal chemistry of double-ring silicates: Structures of sugilite and brannockite American Mineralogist 73 595-60019880293
0001156OsumiliteArmbruster T, Oberhansli R (1988) Crystal chemistry of double-ring silicates: Structural, chemical, and optical variation in osumilites American Mineralogist 73 585-59419880293
0001155OsumiliteArmbruster T, Oberhansli R (1988) Crystal chemistry of double-ring silicates: Structural, chemical, and optical variation in osumilites American Mineralogist 73 585-59419880293
0001154OsumiliteArmbruster T, Oberhansli R (1988) Crystal chemistry of double-ring silicates: Structural, chemical, and optical variation in osumilites Japan-Hayasaki American Mineralogist 73 585-59419880293
0001153OsumiliteArmbruster T, Oberhansli R (1988) Crystal chemistry of double-ring silicates: Structural, chemical, and optical variation in osumilites American Mineralogist 73 585-59419880293
0001152OsumiliteArmbruster T, Oberhansli R (1988) Crystal chemistry of double-ring silicates: Structural, chemical, and optical variation in osumilites American Mineralogist 73 585-59419880293
0001151OsumiliteArmbruster T, Oberhansli R (1988) Crystal chemistry of double-ring silicates: Structural, chemical, and optical variation in osumilites American Mineralogist 73 585-59419880293
0001150OsumiliteArmbruster T, Oberhansli R (1988) Crystal chemistry of double-ring silicates: Structural, chemical, and optical variation in osumilites American Mineralogist 73 585-59419880293
0001149OsumiliteArmbruster T, Oberhansli R (1988) Crystal chemistry of double-ring silicates: Structural, chemical, and optical variation in osumilites American Mineralogist 73 585-59419880293
0001159BrannockiteArmbruster T, Oberhansli R (1988) Crystal chemistry of double-ring silicates: Structures of sugilite and brannockite American Mineralogist 73 595-60019880293
0001158BrannockiteArmbruster T, Oberhansli R (1988) Crystal chemistry of double-ring silicates: Structures of sugilite and brannockite American Mineralogist 73 595-60019880293
0000188OsumiliteBrown G E, Gibbs G V (1969) Refinement of the crystal structure of osumilite American Mineralogist 54 101-11619690293
0000078OsumiliteMiyashiro A (1956) Osumilite, a new silicate mineral, and its crystal structure American Mineralogist 41 104-11619560293
CIF Raw Data - click here to close

Synonyms of Osumilite GroupHide

Other Language Names for Osumilite GroupHide

Simplified Chinese:大隅石族

Relationship of Osumilite Group to other SpeciesHide

Osumilite Group Members:
Agakhanovite-(Y) K◻2(YCa)Be3[Si12O30]Hex. 6/mmm(6/m2/m2/m) : P6/mcc
Almarudite K◻2Mn2+2(Be2Al)[Si12O30]Hex. 6/mmm(6/m2/m2/m) : P6/mmm
Aluminosugilite KNa2Al2Li3[Si12O30]Hex. 6/mmm(6/m2/m2/m) : P6/mcc
Armenite Ba(H2O)2Ca2Al3[Al3Si9O30]Orth. mmm(2/m2/m2/m) : Pnna
Berezanskite K◻2Ti2Li3[Si12O30]Hex. 6/mmm(6/m2/m2/m) : P6/mcc
Brannockite K◻2Sn2Li3[Si12O30]Hex. 6/mmm(6/m2/m2/m) : P6/mcc
Chayesite K◻2Mg2(Mg2Fe3+)[Si12O30]Hex. 6/mmm(6/m2/m2/m) : P6/mcc
Darapiosite KNa2Mn2(Zn2Li)[Si12O30]Hex. 6/mmm(6/m2/m2/m) : P6/mcc
Dusmatovite K(K◻)Mn2+2Zn3[Si12O30]Hex. 6/mmm(6/m2/m2/m) : P6/mcc
Eifelite KNa2(MgNa)Mg3[Si12O30]Hex. 6/mmm(6/m2/m2/m) : P6/mcc
Friedrichbeckeite K(◻Na)Mg2(Be2Mg)[Si12O30]Hex. 6/mmm(6/m2/m2/m) : P6/mcc
Klöchite K◻2(Fe2+Fe3+)Zn3[Si12O30]Hex. 6/mmm(6/m2/m2/m) : P63/mmc
Laurentthomasite K◻2Mg2(Be2Al)[Si12O30]Hex. 6/mmm(6/m2/m2/m) : P6/mcc
Merrihueite K(◻Na)Fe2+2Fe2+3[Si12O30]Hex. 6/mmm(6/m2/m2/m) : P6/mcc
Milarite K(◻H2O)Ca2(Be2Al)[Si12O30]Hex. 6/mmm(6/m2/m2/m) : P6/mcc
Oftedalite K◻2(ScCa)Be3[Si12O30]Hex. 6/mmm(6/m2/m2/m) : P6/mcc
Osumilite K◻2Fe2+2Al3[Al2Si10O30]Hex. 6/mmm(6/m2/m2/m) : P6/mcc
Osumilite-(Mg) K◻2Mg2Al3[Al2Si10O30] Hex. 6/mmm(6/m2/m2/m) : P6/mcc
Plechovite Ca2[K(H2O)]KBe3Si12O30Hex. 6/mmm(6/m2/m2/m) : P6/mcc
Poudretteite K◻2Na2B3[Si12O30]Hex. 6/mmm(6/m2/m2/m) : P6/mcc
Roedderite K(◻Na)Mg2Mg3[Si12O30]Hex. 6m2 : P62c
Shibkovite K(◻K)Ca2Zn3[Si12O30]Hex. 6/mmm(6/m2/m2/m) : P6/mcc
Sogdianite K◻2Zr2Li3[Si12O30]Hex. 6/mmm(6/m2/m2/m) : P6/mcc
Sugilite KNa2Fe3+2Li3[Si12O30]Hex. 6/mmm(6/m2/m2/m) : P6/mcc
Trattnerite ◻(◻)2Fe3+2Mg3[Si12O30]Hex. 6/mmm(6/m2/m2/m) : P6/mcc
'UM1990-73-SiO:KMnNaZn' K(KNa0.5◻0.5)(Mn1.5Na0.5)Zn3[Si12O30]Hex.
'Unnamed (Mn3+-dominant analog of Sugilite)' KNa2Mn3+2Li3[Si12O30]
Yagiite Na◻2Mg2Al3[Al2Si10O30]Hex. 6/mmm(6/m2/m2/m) : P6/mcc
Click on any node to view relationships. Formula-derived relationship network for the group members above. Use Find related species to add formula-neighbour species outside the current group view. Solid links show inferred chemical differences; dashed violet links show same-formula crystallographic differences. Hydration states are not treated as relationship changes. These relationships do not imply any real-world substitution reactions between these species.
Minerals structurally related to group:
'Emeleusite'Li2Na4Fe2Si12O30
'Faizievite'K2Na(Ca6Na)Ti4Li6[Si6O18]2[Si12O30]F2

Other InformationHide

Health Risks:
No information on health risks for this material has been entered into the database. You should always treat mineral specimens with care.

Internet Links for Osumilite GroupHide

References for Osumilite GroupHide

Localities for Osumilite GroupHide

Showing 406 localities.

This map shows a selection of localities that have latitude and longitude coordinates recorded. Click on the symbol to view information about a locality. The symbol next to localities in the list can be used to jump to that position on the map.
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Locality ListHide

- This locality has map coordinates listed. - This locality has estimated coordinates. ⓘ - Click for references and further information on this occurrence. ? - Indicates mineral may be doubtful at this locality. - Good crystals or important locality for species. - World class for species or very significant. (TL) - Type Locality for a valid mineral species. (FRL) - First Recorded Locality for everything else (eg varieties). Struck out - Mineral was erroneously reported from this locality. Faded * - Never found at this locality but inferred to have existed at some point in the past (e.g. from pseudomorphs).

All localities listed without proper references should be considered as questionable.
Antarctica
 
  • East Antarctica
[Osumilite] Ellis et al. (1980) +1 other reference
      • Napier Complex
[Osumilite] Grew (1981) +1 other reference
        • Tula Mountains
          • Amundsen Bay
Polar Geoscience 14:1-24 +1 other reference
[Osumilite-(Mg)] Grew (1982)
[Osumilite-(Mg)] Grew (1982)
[Osumilite-(Mg)] Grew (1982)
[Osumilite-(Mg)] Grew (1982)
          • Mt. Riiser-Larsen
[Osumilite-(Mg)] Grew (1982)
[Osumilite-(Mg)] Grew (1982)
    • Queen Maud Land
      • Queen Fabiola Mountains
[Roedderite] Brearley et al. (1998)
[Osumilite] Takahashi et al. (2018)
    • Victoria Land
      • Allan Hills
[Roedderite] Krot et al. (1994)
Australia
 
  • New South Wales
    • Forbes Co.
      • Grenfell
[Sugilite] Kawachi et al. (1994) +1 other reference
    • Gordon Co.
      • Toongi
[Agakhanovite-(Y), Milarite] Morris et al. (2014) +2 other references
    • Inglis Co.
[Sugilite] Kawachi et al. (1994)
    • Yancowinna Co.
      • Broken Hill district
[Armenite] Birch BH Book +1 other reference
[Armenite] Mason (1987)
[Armenite] Mason (1987)
  • Tasmania
    • Burnie City
      • Hampshire mining district
        • Kara Mines
[Milarite] R Bottrill
Austria
 
  • Burgenland
    • Oberpullendorf District
      • Markt Sankt Martin
        • Pauliberg
[Chayesite, Merrihueite, Osumilite] Weiß (2002) +1 other reference
  • Carinthia
    • Spittal an der Drau District
      • Mallnitz
[Milarite] Niedermayr et al. (1995)
  • Lower Austria
    • Gmünd District
      • Schrems
        • Gebharts
[Milarite] Huber et al. (1977) +2 other references
    • Krems-Land District
      • Gföhl
        • Felling
[Milarite] Uncertain
            • Pegmatite occurrences
[Milarite] Several collections
    • Waidhofen an der Thaya District
      • Pfaffenschlag bei Waidhofen
        • Artolz
[Milarite] KOLLER (1978) +1 other reference
  • Salzburg
    • St. Johann im Pongau District
      • Bad Gastein
        • Ardackerbach (Scheiblinggraben)
[Milarite] Exel (1993)
        • Böckstein
[Milarite] Strasser (1989)
[Milarite] Neschen (n.d.)
[Milarite] Neschen (n.d.)
        • Naßfeld valley
[Milarite] Strasser (1989)
[Milarite] Strasser (1989)
[Milarite] C.Auer (2026)
[Milarite] Strasser (1989)
[Milarite] Strasser (1989)
[Milarite] Strasser (1989)
      • Werfen
[Milarite] Martin Slama collection
    • Tamsweg District
      • Muhr
        • Rotgülden
          • Lower Rotgülden lake
[Milarite] Martin Slama collection
    • Zell am See District
      • Bramberg am Wildkogel
        • Breitfuß - Großer Finagl area
[Milarite] Strasser (1989)
[Milarite] Strasser (1989)
        • Breitkopf
[Milarite] Martin Slama collection
        • Nasenkopf mountain
[Milarite] Strasser (1989)
          • Leckbachgraben
[Milarite] Strasser (1989)
[Milarite] In Coll. M. Slama (ex Csanad Loranth Coll.)
[Milarite] Mösser (1996) +1 other reference
[Milarite] Strasser (1989)
      • Hollersbach im Pinzgau
[Milarite] Kievlenko et al. (2003)
[Milarite] Niedermayr (1993)
      • Mittersill
[Milarite] Strasser (1989)
      • Neukirchen am Großvenediger
        • Abichl Alp - Beryller area
[Milarite] Strasser (1989)
        • Ascham Alp - Breitfuß - Sonntagskopf area
[Milarite] Strasser (1989)
[Milarite] Strasser (1989)
        • Hopffeld area
[Milarite] Strasser (1989)
[Milarite] Neschen (n.d.)
[Milarite] Strasser (1989)
      • Rauris
[Milarite] Strasser (1989)
[Milarite] Martin Slama collection
  • Styria
    • Südoststeiermark District
      • Bad Gleichenberg
        • Wilhelmsdorf
[Chayesite, Roedderite, Trattnerite] Postl et al. (2019)
      • Feldbach
        • Mühldorf bei Feldbach
[Roedderite] Postl et al. (1996)
      • Klöch
[Klöchite, Merrihueite, Roedderite] Postl et al. (1996) +1 other reference
  • Tyrol
    • Lienz District
      • Kals am Großglockner
[Milarite] Kontrus et al. (1969)
[Milarite] Exel (1993)
      • Prägraten am Großvenediger
        • Dorferbach valley
          • Hoher Zaun
[Milarite] Walter (2009)
[Milarite] C.Auer (2026)
      • Virgen
        • Großer Nilbach valley
[Milarite] Exel (1993)
  • Upper Austria
    • Perg District
      • Luftenberg an der Donau
[Milarite] Brandstetter (1998) +1 other reference
    • Urfahr-Umgebung District
      • Steyregg
        • Pulgarn
[Milarite] Haider (1997)
Azerbaijan
 
  • Aghjabadi District
    • Hindarx
[Roedderite] Fuchs et al. (1966) +3 other references
Brazil
 
  • Minas Gerais
    • Itinga
      • Taquaral
        • Piauí Valley
[Milarite] Martins da Pedra data
    • Jaguaraçu
[Agakhanovite-(Y), Milarite] Foord et al. (1986) +1 other reference
Canada
 
  • Newfoundland and Labrador
    • Labrador
      • Grenville
[Osumilite-(Mg)] Arima et al. (1991)
      • Nain Complex
[Osumilite-(Mg)] Berg et al. (1976)
  • Ontario
    • Kenora District
      • Root Lake pegmatite group
        • Root Lake Area
[Armenite] Tindle et al. (2005)
    • Thunder Bay District
      • Bomby Township
[Armenite] Pan et al. (1992)
  • Québec
    • Abitibi-Témiscamingue
      • Témiscamingue RCM
[Armenite] Pouliot et al. (1984) +3 other references
    • Montérégie
      • La Vallée-du-Richelieu RCM
        • Mont Saint-Hilaire
[Milarite, Poudretteite, Sugilite] Grice (1989) +1 other reference
[Milarite] Miller (1990) +5 other references
China
 
  • Anhui
    • Bozhou
      • Qiaocheng District
        • Xiaoyanzhuang
[Roedderite] www.lpi.usra.edu (n.d.)
  • Fujian
    • Zhangzhou
      • Yunxiao Co.
        • Tongbei
[Milarite] Ottens (2005)
  • Guizhou
    • Guiyang
      • Qingzhen County
[Roedderite] Rambaldi et al. (1986) +1 other reference
  • Inner Mongolia
    • Chifeng City (Ulanhad League; Chifeng Prefecture)
      • Hexigten Banner (Keshiketeng Co.)
[Milarite] Dr. Wing Tak Lui collection
Cuba
 
  • Villa Clara Province
[Armenite] Torró et al. (2016)
Czech Republic
 
  • Central Bohemian Region
    • Kutná Hora District
[Agakhanovite-(Y), Milarite] Kadlec T.: Nové minerály ve ...
        • Moldanubian Zone pegmatites
          • Holý vrch deposit
[Milarite] Novák et al. (2013) +1 other reference
  • Olomouc Region
    • Šumperk District
      • Ruda nad Moravou
[Armenite] Novak et al. (2010) +2 other references
      • Velké Losiny
        • Maršíkov (Marchendorf)
[Milarite] Ddolníček Z et al. (2020)
[Milarite] Toegel (2011)
[Milarite] Novák
  • Pardubice Region
    • Pardubice District
[Armenite] Mineralogical Society of America - ...
  • South Bohemian Region
    • Český Krumlov District
      • Nová Ves
[Milarite] Welser
    • Písek District
[Agakhanovite-(Y), Milarite] Novák et al. (2016)
  • Vysočina Region
    • Havlíčkův Brod District
      • Krucemburk
[Milarite] Duda
    • Třebíč District
[Milarite] Černý P.: Příspěvek k mineralogii ...
    • Žďár nad Sázavou District
[Milarite] Černý P.
      • Věžná
[Milarite] Černý (1963) +3 other references
[Milarite] Cerny et al. (1964) +1 other reference
Eswatini
 
  • Hhohho Region
[Armenite] Roerdink et al. (2016)
Ethiopia
 
  • Southern Nations Nationalities and Peoples' Region
[Milarite] Kaiser (2006)
Finland
 
  • Kanta-Häme
    • Forssa
[Milarite] Ilkka Mikkola data
  • Southwest Finland
    • Laitila
[Milarite] Joel Dyer collection
France
 
  • Auvergne-Rhône-Alpes
    • Haute-Loire
      • Le Puy-en-Velay
        • Espaly-Saint-Marcel
[Chayesite, Osumilite-(Mg), Roedderite] Médard E et al. (2012)
        • Le Brignon
[Roedderite] P & E Médard collection
    • Puy-de-Dôme
      • Issoire
        • Perpezat
[Roedderite] Valverde (2009)
Georgia
 
  • Mtskheta-Mtianeti
    • Kazbegi Municipality
      • Kel’ volcanic area
[Osumilite] Станкевич Е.К. ...
Germany
 
  • Bavaria
    • Lower Bavaria
      • Freyung-Grafenau District
        • Saldenburg
          • Matzersdorf
[Milarite] Martin Slama collection
        • Waldkirchen
          • Oberfrauenwald
[Milarite] Habel (1995)
      • Passau District
        • Tittling
          • Tittling
            • Hötzendorf
[Milarite] Weiß (1990)
[Milarite] Neschen (n.d.)
    • Upper Palatinate
      • Cham District
        • Wald
          • Roßbach
[Milarite] Sperling et al. (1992)
      • Tirschenreuth District
        • Kulmain
[Osumilite] Weiß (1990)
  • Hesse
    • Giessen Region
      • Vogelsbergkreis
        • Mücke
          • Ober-Ohmen
[Osumilite] Betz (2019)
    • Kassel Region
      • Werra-Meißner
        • Eschwege
[Osumilite, Osumilite-(Mg)] Schreyer et al. (1986)
  • Rhineland-Palatinate
    • Ahrweiler
      • Brohltal
        • Burgbrohl
[Osumilite-(Mg)] Schreyer et al. (1983)
    • Mayen-Koblenz
      • Maifeld
        • Ochtendung
[Osumilite-(Mg), Roedderite] Hentschel (1983) +1 other reference
      • Mendig
        • Bell
[Eifelite, Osumilite-(Mg), Roedderite] Blaß et al. (2014)
      • Pellenz
        • Kruft
[Osumilite-(Mg)] Leu (2017)
        • Nickenich
[Osumilite-(Mg), Roedderite] Schreyer et al. (1983)
[Osumilite-(Mg), Roedderite] Schreyer et al. (1983)
      • Vordereifel
        • Ettringen
[Almarudite, Chayesite, Eifelite, Friedrichbeckeite, Osumilite, Osumilite-(Mg), Roedderite, Trattnerite] Schäfer (2016)
    • Vulkaneifel
      • Daun
        • Oberstadtfeld
[Roedderite] Leu (1995)
        • Strohn
[Osumilite-(Mg)] Blass et al. (2006)
        • Üdersdorf
[Osumilite-(Mg), Roedderite] Schäfer (1979)
      • Kelberg
        • Drees
[Osumilite-(Mg), Roedderite] Schüller (1990)
  • Saxony
    • Mittelsachsen
      • Waldheim
[Osumilite, Osumilite-(Mg)] Borghini et al. (2024)
  • Thuringia
    • Greiz District
      • Kauern
[Osumilite-(Mg)] Witzke et al. (1998)
    • Saale-Orla District
      • Wurzbach
        • Weitisberga
[Milarite] Wittern (2001)
Hungary
 
  • Szabolcs-Szatmár-Bereg County
    • Tarpa
[Osumilite, Roedderite] Koch (1985)
  • Veszprém County
    • Tapolca District
      • Badacsonytomaj
[Osumilite-(Mg)] GEODA 2007/1
India
 
  • Andhra Pradesh
    • Visakhapatnam District
[Osumilite] Divya Prakash et al. (2015)
[Osumilite-(Mg)] Waters (1991)
[Sugilite] Clark et al. (1980)
  • Uttar Pradesh
    • Basti District
      • Gorakhpur
[Roedderite]
Italy
 
  • Aosta Valley
    • Courmayeur
[Milarite] Palenzona A. et al. (2002)
  • Campania
    • Metropolitan City of Naples
      • Ercolano
[Osumilite, Osumilite-(Mg)] Balassone et al. (2008)
[Osumilite] Balassone et al. (2013)
  • Lazio
    • Viterbo Province
[Osumilite-(Mg)] Parodi et al. (1989)
[Osumilite-(Mg)] Parodi et al. (1989)
[Osumilite-(Mg)] Signoretti et al. (2004) +1 other reference
  • Liguria
    • La Spezia Province
      • Borghetto di Vara
[Aluminosugilite, Sugilite] Cabella et al. (1990) +2 other references
  • Lombardy
    • Sondrio Province
      • Chiavenna
[Milarite] Boscardin et al. (1982) +2 other references
      • Chiesa in Valmalenco
[Milarite] Marchesini et al. (2025)
      • Novate Mezzola
        • Codera Valley
[Milarite] Ghizzoni et al. (2005)
  • Piedmont
    • Biella Province
      • Campiglia Cervo
        • San Paolo Cervo
[Milarite] Martini et al. (2012)
[Milarite] Martini et al. (2012)
    • Verbano-Cusio-Ossola Province
      • Baceno
        • Devero Alp
[Milarite] Graeser et al. (1995)
      • Baveno
        • Oltrefiume
          • Mount Camoscio
[Milarite] Guastoni et al. (2004)
      • Beura-Cardezza
[Milarite] De Michele (1974) +1 other reference
      • Druogno
        • Orcesco
[Milarite] Piccoli et al. (2007)
      • Mergozzo
        • Candoglia
[Armenite] Peyronel Pagliani (1958) +2 other references
      • Toceno
        • Val di Crana
          • Val di Crana pegmatites
[Milarite] Guastoni et al. (2019)
      • Trontano
        • Pizzo Marcio
[Milarite] Appiani et al. (1995) +4 other references
      • Villadossola
[Milarite] Rivista Mineralogica Italiana
  • Sardinia
    • Oristano Province
      • Marrubiu
[Osumilite] Olsen et al. (1970) +3 other references
Bortolozi G. (1986)
      • Masullas
    • Sassari Province
[Milarite] Gamboni et al. (2021)
    • South Sardinia Province
      • Fluminimaggiore
[Armenite] Stara et al. (1994)
      • Narcao
        • Rosas Mine Complex (Rosas Mine)
[Armenite] Cocco et al. (2022)
  • Trentino-Alto Adige/Südtirol
    • South Tyrol
      • Puster Valley District
        • Prettau (Predoi)
[Milarite] Manuele Moro specimen
[Milarite] Moore (2004)
      • Wipptal (Alta Vall'Isarco)
        • Pfitsch (Val di Vizze)
          • Sankt Jakob (San Giacomo)
            • Vizze Pass (Pfitsch Pass; Pfitscher Joch)
[Milarite] Folie et al. (1999)
  • Tuscany
    • Lucca Province
      • Vagli Sotto
[Sugilite] Biagioni C. (Alpi Apuane, Lucca)
Japan
 
  • Aichi Prefecture
    • Tahara City
[Yagiite] Miura et al. (1994)
  • Ehime Prefecture
    • Iyo district
      • Tobe-cho
[Aluminosugilite, Sugilite, Unnamed (Mn3+-dominant analog of Sugilite)] HIROWATARI et al. (1989)
    • Ochi District
[Sugilite] Mineralogical Journal Vol. 8 (1975) +5 other references
[Sogdianite, Sugilite] Imaoka et al. (2021)
  • Gifu Prefecture
    • Hida City
      • Kawai-cho-tsukigase
        • Tsukigase Valley (Tsukigase-dani)
[Osumilite-(Mg)] Hiroaki Tano and Alfredo Petrov ...
[Osumilite-(Mg)] Labels of several dealers at Tokyo show
    • Nakatsugawa City
[Milarite] Kikui et al (1996)
  • Hokkaidō Prefecture
    • Sōya Subprefecture
[Osumilite-(Mg)] Kobayashi (1978)
  • Iwate Prefecture
    • Kunohe-gun
      • Hirono
        • Ono
[Aluminosugilite] Specimen obtained from Dr Go Ito
    • Ofunato City
[Milarite] Matsuyama & Kobayashi (1994)
  • Kagoshima Prefecture
    • Kagoshima City
      • Sakurajima
[Osumilite]
    • Kagoshima District
      • Mishima village
[Roedderite] ... +2 other references
[Roedderite] ... +2 other references
[Roedderite] Amir Akhavan Field Observations
    • Kirishima City
      • Hayato
[Osumilite] Kobayashi (1978)
[Osumilite] Miyashiro (1953) +1 other reference
    • Satsumasendai City
      • Iriki
[Osumilite-(Mg)] Petrov (n.d.)
  • Kyoto Prefecture
    • Kameoka City
[Milarite] Kawabe & Fujiwara (2002)
  • Oita Prefecture
    • Beppu City
[Osumilite-(Mg)] Yokomizo & Miyachi (1978)
    • Hayami District
[Osumilite-(Mg)] Petrov (n.d.)
  • Shiga Prefecture
    • Otsu City
[Milarite] Rakovan et al. (2009)
  • Tokyo Metropolis
    • Ōshima Subprefecture
[Osumilite] photo in: Koubutsu Doshikai (2017)
  • Yamaguchi Prefecture
    • Yamaguchi City
      • Yoshiki
[Osumilite] Miura (2011)
Kazakhstan
 
  • Abai Region
    • Tarbagatai Range
      • Akzhaylyautas Mts (Akzhailyautas Mts; Akjaylautas Mts; Akzhalautas Mts)
[Milarite] Stepanov et al. (2012)
  • Karaganda Region
    • Karkaraly
[Milarite] Evseev (1995) +1 other reference
Kyrgyzstan
 
  • Chuy Region
    • Kemin District
      • Aq-Tyuz ore Field
[Milarite] MALYUKOVA (2014)
Madagascar
 
  • Amoron'i Mania
    • Ambatofinandrahana District
      • Mandrosonoro
        • Ambatovita
[Milarite] Pezzotta (2005)
  • Anosy
    • Amboasary Sud District
      • Behara
[Osumilite] Holder et al. (2018)
      • Mahaly
[Osumilite] Holder et al. (2018)
[Osumilite] Holder et al. (2018)
      • Tranomaro
[Osumilite] Holder et al. (2018)
    • Betroka District
      • Tsaraitso
        • Ambaro
[Laurentthomasite] Miyawaki et al. (2019) +2 other references
    • Taolagnaro District
      • Mandromodromotra
[Osumilite] Holder et al. (2018)
[Osumilite] Holder et al. (2018)
Malawi
 
  • Central Region
    • Nkhotakota
[Roedderite] Brearley et al. (1998)
  • Southern Region
    • Zomba
[Milarite] Demartin +1 other reference
Mexico
 
  • Guanajuato
    • Guanajuato Municipality
      • Guanajuato
[Milarite] Panczner (1987)
  • Zacatecas
    • Sombrerete Municipality
[Yagiite] Ruzicka et al. (2006)
Mongolia
 
  • Khovd Province
    • Myangad District
[Milarite] Pavel M. Kartashov (n.d.) +1 other reference
[Milarite] Kovalenko et al. (2004)
  • Ömnögovi Province
    • Khanbogd District
[Milarite] N.V. Vladykin data
Morocco
 
  • Tanger-Tetouan-Al Hoceima Region
    • Chefchaouen Province
[Milarite] Martin Slama Collection
Myanmar
 
  • Mandalay Region
    • Pyin-Oo-Lwin District
[Poudretteite] Smith et al. (2003) +1 other reference
        • Kyatpyin North
[Poudretteite] Themelis (2008)
        • Mogok Valley
[Poudretteite] Themelis (2008) +1 other reference
        • Pein-Pyit (Painpyit; Pyan Pyit)
[Poudretteite] California Institute of Technology ... +1 other reference
Namibia
 
  • Erongo Region
    • Arandis Constituency
      • Rössing Mountains area
[Milarite] White (1970) +1 other reference
New Zealand
 
  • Bay of Plenty Region
    • Rotorua District
      • Mount Ngongotaha
[Osumilite-(Mg)] Grapes et al. (1993. Vug minerals in rhyolite, Hendersons Quarry, Mount Ngongotaha, Geological Society of New Zealand, Miscellaneous Publication 79A: 76.)
  • Waikato Region
    • Taupo District
      • Atiamuri
[Osumilite] Personal collection of Rod Martin
Norway
 
  • Agder
    • Evje og Hornnes
      • Lauvland
[Milarite] Frigstad (1999)
    • Iveland
      • Frikstad
[Milarite] Breivik et al. (2008)
  • Akershus
    • Lunner
[Milarite] Werner (2003)
        • RV 4 roadcuts
[Milarite] Werner (2003)
  • Buskerud
    • Kongsberg
[Armenite] Bancroft et al. (2001)
      • Overberget Mining Field
[Armenite] Neumann (1941)
  • Nordland
    • Hamarøy
      • Drag
[Milarite] Husdal (2008)
[Milarite] Tomas Husdal analytical data
        • Lapplægeret
[Milarite] Raade (1966)
[Milarite] D. Harries collection
[Milarite] Husdal (2008)
    • Meløy
      • Ørnes
[Milarite] Konrad Pytel collection
  • Oslo
    • Grorud
      • Bånkall
[Milarite] Bjørlykke (1959) +2 other references
[Milarite] Eldjarn (1978)
[Milarite] Raade (1972)
  • Østfold
    • Moss
      • Vannem
[Milarite] Kristiansen (2005)
  • Rogaland
    • Bjerkreim
      • Vikeså
[Osumilite] Laurent (2016)
[Osumilite-(Mg)] Maijer et al. (1977)
    • Lund
      • Flatestøl
[Osumilite-(Mg)] Waters (1991) +1 other reference
  • Telemark
    • Drangedal
      • Tørdal
[Agakhanovite-(Y), Milarite, Oftedalite] Raade et al. (1999) +2 other references
[Milarite] Kristiansen (1998)
    • Porsgrunn
      • Bjørkedalen
[Milarite]
  • Vestfold
    • Larvik Commune
      • Hedrum
[Milarite] Berge (1993) +1 other reference
      • Stavern (Fredriksvärn)
        • Fuglevika
[Milarite] Kristiansen (2005)
    • Sandefjord
      • Haneholmveien
[Milarite] Larsen et al. (2012)
    • Tønsberg
      • Ramnes
[Milarite] Berge (1993) +1 other reference
Oman
 
  • Al Wusta Governorate
    • Sayh al Uhaymir
[Roedderite] Fersman Mineralogical Museum
Peru
 
  • Puno
[Osumilite-(Mg)] Liipo et al. (1994)
Poland
 
  • Lower Silesian Voivodeship
    • Świdnica County
[Milarite] Körber et al. (2005) +1 other reference
    • Wrocław County
      • Gmina Jordanów Śląski
[Plechovite] Pieczka et al. (2026)
[Milarite] Pieczka et al. (2024)
Portugal
 
  • Bragança
    • Freixo de Espada à Cinta
      • Poiares
[Armenite] Gaspar et al. (2000) +1 other reference
  • Madeira
    • Madeira Island
      • Machico
        • Porto da Cruz
[Klöchite] Alves (n.d.)
Romania
 
  • Harghita County
[Merrihueite, Roedderite] Science 149 (1965) +2 other references
Russia
 
  • Buryatia
    • Kizhinginsky District
[Milarite] Pavel M. Kartashov (n.d.)
  • Chelyabinsk Oblast
[Osumilite, Osumilite-(Mg)] Seryotkin et al. (2008)
  • Khabarovsk Krai
    • Stanovoi Range
[Osumilite-(Mg)] Bogdanova N.G. et al. (1980)
  • Murmansk Oblast
[Armenite] ...
    • Lovozersky District
      • Keivy Mountains
[Milarite] A.V. Voloshin analytical data
[Osumilite] [World of Stones 12:49]
  • Saratov Oblast
[Merrihueite] Lewis et al. (2018)
  • Sverdlovsk Oblast
    • Prigorodny District
      • Yuzhakovo
[Milarite] Sokol et al. (2010)
[Milarite] Popova et al. (2002)
[Milarite] Sokol et al. (2010)
    • Serovsky District
      • Turya river
        • Tur'insk
[Armenite] Kasatkin et al. (2018) +1 other reference
South Africa
 
  • Northern Cape
    • John Taolo Gaetsewe District Municipality
      • Gamagara Local Municipality
[Sugilite] Moore et al. (2011) +1 other reference
      • Joe Morolong Local Municipality
        • N'Chwaning Mines
[Sugilite] Pohl et al. (1991)
[Sugilite] Cairncross et al. (1995)
[Aluminosugilite, Sugilite] Williams et al. (2015) +2 other references
[Sogdianite, Sugilite] Michael O’Donoghue et al. (2006)
    • Namakwa District Municipality
[Osumilite-(Mg)] Nowicki et al. (1995) +1 other reference
South Korea
 
  • Daejeon
    • Daejeon-gun
[Armenite] Gi Young Jeong (2006)
  • Gyeonggi Province
[Armenite] Cheong et al. (2003)
Spain
  • Andalusia
    • Granada
      • Colomera
[Yagiite] [AM 54 (1969) +1 other reference
  • Canary Islands
    • Santa Cruz de Tenerife Province
      • Tenerife
        • Granadilla de Abona
[Berezanskite] Dill et al. (2023)
[Almarudite] Dill et al. (2023)
  • Castile-La Mancha
    • Albacete
      • Hellín
[Chayesite, Roedderite] Venturelli et al. (1984) +2 other references
[Chayesite, Roedderite] Velde et al. (1989)
    • Toledo
      • Las Ventas con Peña Aguilera
        • La Escalerilla Area
[Milarite] Calvo Rebollar (2018)
      • Pulgar
[Milarite] Calvo Rebollar (2018)
  • Catalonia
    • Tarragona
      • Conca de Barberà
        • Vimbodí i Poblet
[Armenite] Canet et al. (2003)
  • Community of Madrid
[Milarite] Garcia G. et al. (2004)
      • Concession Tortolas
[Milarite] Calvo Rebollar (2018)
      • Veneros claim
[Milarite] Calvo Rebollar (2018)
  • Murcia
    • Cartagena
      • La Aljorra
[Osumilite-(Mg)] Fran Garcia alacid collection - EDX ...
Sudan
 
  • Kassala
    • Gash delta
[Roedderite] ...
Sweden
 
  • Dalarna County
    • Säter
      • Öster Silvberg mining district
[Armenite] Makvandi et al. (2024)
  • Jämtland County
    • Bräcke
[Milarite] Langhof et al. (2016)
  • Stockholm County
    • Haninge
      • Utö
[Milarite] Langhof et al. (1998) +1 other reference
[Milarite] Nysten (1996) +1 other reference
    • Nynäshamn
[Milarite] Gustafsson et al. (1992) +2 other references
    • Österåker
[Milarite] Nysten (1996)
    • Vaxholm
      • Resarö
[Milarite] Langhof et al. (2016)
  • Värmland County
    • Hagfors
[Milarite] Nysten (1996)
    • Torsby
      • S. Finnskoga
[Milarite] Langhof et al. (2016)
  • Västra Götaland County
    • Gothenburg
[Milarite] Langhof et al. (2016)
      • Västra Frölunda
[Milarite] Nysten (1996) +1 other reference
Switzerland
 
  • Bern
    • Interlaken-Oberhasli
      • Guttannen
        • Gerstenegg
          • Gerstenegg-Grimsel cable tunnel
[Milarite] Stalder et al. (1998)
[Milarite] Stalder et al. (1998)
[Milarite] Werner (2007) +1 other reference
[Milarite] Martin Slama collection
[Milarite] Stalder et al. (1998)
  • Grisons
    • Surselva Region
      • Medel (Lucmagn)
        • Val Medel
          • Val Cristallina
[Milarite] Stalder et al. (1998)
[Milarite] Stalder et al. (1998)
      • Tujetsch
        • Sedrun
[Milarite] Jahn (2008)
[Milarite] Neues Jahrb.Min. (1870)
[Milarite] Moore (2004) +1 other reference
        • Val Strem
[Milarite] Stalder et al. (1998)
[Milarite] Stalder et al. (1998)
[Milarite] Stalder et al. (1998)
[Milarite] Stalder et al. (1998)
  • Uri
    • Reuss Valley
      • Göschenen
        • Göschenen Valley
[Milarite] Stalder et al. (1998)
[Milarite] Stalder et al. (1998)
[Milarite] Stalder et al. (1998)
      • Rien Valley
[Milarite] Stephan Wolfsried collection
[Milarite] Stephan Wolfsried collection
    • Urseren
      • Realp
        • Tiefenbach
[Milarite] Stalder et al. (1998)
[Milarite] Stalder et al. (1998)
  • Valais
    • Brig
      • Ried-Brig
        • Ganter valley
          • Wasen Alp
[Armenite] Graeser (1993) +2 other references
    • Goms
      • Binn
        • Chriegalp valley
[Milarite] Stalder et al. (1998)
[Milarite] Moore (2004)
[Milarite] Crumbach et al. (2014)
      • Fiesch
[Milarite] Stalder et al. (1998)
      • Fieschertal
[Milarite] Parker et al. (1973)
      • Goms
        • Reckingen
          • Bächi Valley (Reckingen Valley)
[Milarite] Stalder et al. (1998)
      • Obergoms
        • Oberwald
          • Furka pass area
            • Furka
[Milarite] Parker et al. (1973) +1 other reference
[Milarite] Bracke (n.d.)
[Milarite] Parker et al. (1973)
Tajikistan
 
  • Districts of Republican Subordination
[Berezanskite, Brannockite, Darapiosite, Dusmatovite, Milarite, Osumilite, Shibkovite, Sogdianite, Sugilite, UM1990-73-SiO:KMnNaZn] Agakhanov et al. (2016)
Uganda
 
  • Northern Region
    • Kotido
[Osumilite-(Mg)] Waters (1991)
UK
 
  • England
    • Cornwall
      • Linkinhorne
        • Minions
[Milarite] Embrey (1978) +2 other references
    • Cumbria
      • Eden
        • Shap Rural
[Milarite] M.Wirth collection (Manchester Univ.)
    • Devon
      • West Devon
        • Okehampton Hamlets
[Milarite] Kingsbury (1964) +4 other references
  • Northern Ireland
    • County Antrim
      • Cushendall
[Osumilite-(Mg)] Chinner et al. (1973) +2 other references
[Armenite] Tindle (2008)
    • Aberdeenshire
      • Braemar
[Armenite] Fortey et al. (1991) +2 other references
USA
 
  • Arizona
    • Coconino County
      • Meteor Crater area
[Roedderite] Olsen et al. (1968) +1 other reference
    • Pima County
      • Ajo Mining District
        • Little Ajo Mountains
[Osumilite-(Mg)] Jerry Cone Collection
  • Colorado
    • Teller County
      • Crystal Peak
[Milarite] Mineral News (2010) +2 other references
  • Connecticut
    • Fairfield County
      • Trumbull
        • Long Hill
[Milarite] Nathan Martin +1 other reference
  • Maine
    • Oxford County
      • Greenwood
        • Uncle Tom Mountain
[Milarite] www.mainemineralgemmuseum.org (n.d.)
  • Nevada
    • Pershing County
      • Farrell Mining District
[Osumilite] Walstrom (n.d.)
  • New Hampshire
    • Carroll County
      • Albany
[Milarite] Dallaire (2022)
[Milarite] Rocks and Minerals (1990) +2 other references
      • Hale's Location
[Milarite] Rocks and Minerals (1990) +2 other references
[Milarite] Janules (2005)
  • North Carolina
    • Cleveland County
      • Kings Mountain
[Brannockite, Milarite] White et al. (1973) +2 other references
    • Gaston County
[Brannockite]
  • Oregon
    • Lane County
      • McKenzie Pass
        • North Sister Mountain
[Osumilite, Osumilite-(Mg)] D.E. Russell Collection
  • Texas
    • Wichita County
      • Electra
[Roedderite] rruff.geo.arizona.edu (n.d.)
  • Utah
    • Summit County
      • Woodland
[Chayesite] Velde et al. (1989) +2 other references
  • Washington
    • King County
      • Snoqualmie Mining District
[Armenite] Mineralogical Society of America - ... +2 other references
    • Okanogan County
      • Golden Horn Batholith
[Brannockite, Sogdianite] Raschke (2015) +1 other reference
Yemen
 
  • Hadhramaut Governorate
[Roedderite] LPSC 26 (1995) +1 other reference
Zimbabwe
 
  • Matabeleland South
    • Insiza District
[Milarite] Williams (1979)
Outer Space
 
[Roedderite] Ishii et al. (2008)
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