Lamprophyllite Group
A group of related mineral species
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About Lamprophyllite Group
Formula:
AP2MH2MO4(Si2O7)2(XOm)2(XOa)2
From Sokolova and Cámara (2017)
Member of:
A group in the Seidozerite Supergroup.
TS block: Ti (+ Nb + Fe3+ + Mg)= 3 apfu, Ti occurs in the H sheets (2 apfu) and in the O sheet (1 apfu).
The structure is based on HOH heteropolyhedral modules, with H being heteropolyhedral and O being octahedral sheets.
The following structural types are reported for the lamprophyllite-like species (Rastsvetaeva et al. 2016):
- type I: C2/m polytypes
- type II: Pnmn polytypes
- type III: nabalamprophyllite (P2/m)
- types IV and V: triclinic (various space groups, primitive cell)
TS block: Ti (+ Nb + Fe3+ + Mg)= 3 apfu, Ti occurs in the H sheets (2 apfu) and in the O sheet (1 apfu).
The structure is based on HOH heteropolyhedral modules, with H being heteropolyhedral and O being octahedral sheets.
The following structural types are reported for the lamprophyllite-like species (Rastsvetaeva et al. 2016):
- type I: C2/m polytypes
- type II: Pnmn polytypes
- type III: nabalamprophyllite (P2/m)
- types IV and V: triclinic (various space groups, primitive cell)
Unique Identifiers
Mindat ID:
42445
Long-form identifier:
mindat:1:1:42445:5
IMA Classification of Lamprophyllite Group
IMA status notes:
IMA Approved Group Name
Approval year:
2016
First published:
2017
Chemistry of Lamprophyllite Group
Mindat Formula:
AP2MH2MO4(Si2O7)2(XOm)2(XOa)2
From Sokolova and Cámara (2017)
From Sokolova and Cámara (2017)
Crystal Structure
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Data courtesy of the American Mineralogist Crystal Structure Database. Click on an AMCSD ID to view structure
| ID | Species | Reference | Link | Year | Locality | Pressure (GPa) | Temp (K) |
|---|---|---|---|---|---|---|---|
| 0020471 | Saamite | Camara F, Sokolova E, Abdu Y A, Hawthorne F C (2014) Saamite, Ba[]TiNbNa3Ti(Si2O7)2O2(OH)2(H2O)2, a group-III Ti-disilicate mineral from the Khibiny alkaline massif, Kola Peninsula, Russia: description and crystal structure The Canadian Mineralogist 52 745-761 | 2014 | Kirovskii mine, Khibiny alkaline massif, Kola Peninsula, Russia | 0 | 293 | |
| 0018995 | Kazanskyite | Camara F, Sokolova E, Hawthorne F C (2012) Kazanskyite, BaTiNbNa3Ti(Si2O7)2O2(OH)2(H2O)4, a Group-III Ti-disilicate mineral from the Khibiny alkaline massif, Kola Peninsula, Russia: description and crystal structure Mineralogical Magazine 76 473-492 | 2012 | Khibiny alkaline massif, Kola Peninsula, Russia | 0 | 293 | |
| 0018496 | Innelite | Sokolova E, Camara F, Hawthorne F C (2011) From structure topology to chemical composition. XI. Titanium silicates: crystal structures of innelite-1T and innelite-2M from the Inagli massif, Yakutia, Russia, and the crystal chemistry of innelite Mineralogical Magazine 75 2495-2518 | 2011 | Inagli massif, Yakutia, Russia | 0 | 293 | |
| 0018495 | Innelite | Sokolova E, Camara F, Hawthorne F C (2011) From structure topology to chemical composition. XI. Titanium silicates: crystal structures of innelite-1T and innelite-2M from the Inagli massif, Yakutia, Russia, and the crystal chemistry of innelite Mineralogical Magazine 75 2495-2518 | 2011 | Inagli massif, Yakutia, Russia | 0 | 293 | |
| 0014594 | Nechelyustovite | Camara F, Sokolova E (2009) From structure topology to chemical composition. X. Titanium silicates: the crystal structure and crystal chemistry of nechelyustovite, a group III Ti-disilicate mineral Khibina alkaline massif, Kola peninsula, Russia Mineralogical Magazine 73 753-775 | 2009 | hydrothermally altered pegmatite, Kirovskii mine, Mt Kukisvumchorr, | 0 | 293 | |
| 0019470 | Nabalamprophyllite | Sokolova E, Hawthorne F C (2008) From structure topology to chemical composition. IV. Titanium silicates: The orthorhombic polytype of nabalamprophyllite from Lovozero Massif, Kola Peninsula, Russia The Canadian Mineralogist 46 1323-1331 |  | 2008 | Lovozero Massif, Kola Peninsula, Russia | 0 | 293 |
| 0006183 | Barytolamprophyllite | Sokolova E, Camara F (2008) From structure topology to chemical composition. III. Titanium silicates: The crystal chemistry of barytolamprophyllite The Canadian Mineralogist 46 403-412 | | 2008 | Mt. Yuksporr, Khibina alkaline massif, Kola Peninsula, Russia | 0 | 293 |
| 0006156 | Delindeite | Sokolova E, Camara F (2007) From structure topology to chemical composition. II. Titanium silicates: revision of the crystal structure and chemical formula of delindeite The Canadian Mineralogist 45 1247-1261 | | 2007 | Mt. Yuksporr, Khibina alkaline massif, Kola Peninsula, Russia | 0 | 293 |
| 0006065 | Polyphite | Sokolova E, Hawthorne F C, Khomyakov A P (2005) Polyphite and sobolevite: Revision of their crystal structures The Canadian Mineralogist 43 1527-1544 | | 2005 | Khibina-Lovozero alkaline complex, Kola peninsula, Russia | 0 | 293 |
| 0007013 | Lamprophyllite | Krivovichev S V, Armbruster T, Yakovenchuk V N, Pakhomovsky Y A, Men'shikov Y P (2003) Crystal structures of lamprophyllite-2M and lamprophyllite-2O from the Lovozero alkaline massif, Kola peninsula, Russia European Journal of Mineralogy 15 711-718 | 2003 | Lovozero alkaline massif, Kola peninsula, Russia | 0 | 293 | |
| 0007012 | Lamprophyllite | Krivovichev S V, Armbruster T, Yakovenchuk V N, Pakhomovsky Y A, Men'shikov Y P (2003) Crystal structures of lamprophyllite-2M and lamprophyllite-2O from the Lovozero alkaline massif, Kola peninsula, Russia European Journal of Mineralogy 15 711-718 | 2003 | Lovozero alkaline massif, Kola peninsula, Russia | 0 | 293 | |
| 0005582 | Vuonnemite | Ercit T S, Cooper M A, Hawthorne F C (1998) The crystal structure of vuonnemite, Na11TiNb2(Si2O7)2(PO4)2O3(F,OH), a phosphate-bearing sorosilicate of the lomonosovite group The Canadian Mineralogist 36 1311-1320 | | 1998 | Lovozero, Kola Peninsula, Russia | 0 | 293 |
| 0005581 | Vuonnemite | Ercit T S, Cooper M A, Hawthorne F C (1998) The crystal structure of vuonnemite, Na11TiNb2(Si2O7)2(PO4)2O3(F,OH), a phosphate-bearing sorosilicate of the lomonosovite group The Canadian Mineralogist 36 1311-1320 | | 1998 | Ilimaussaq, Greenland | 0 | 293 |
| 0012348 | Barytolamprophyllite | Rastsvetaeva R K, Dorfman M D (1995) Crystal structure of Ba-lamprophyllite in the isomorphous lamprophyllite- baritolamprophyllite series Crystallography Reports 40 951-954 | 1995 | Khibiny Massif | 0 | 293 | |
| 0015612 | Lamprophyllite | Saf'yanov Y N, Vasil'eva N O, Golovachev V P, Kuz'min E A, Belov N V (1983) The crystal structure of lamprophyllite Soviet Physics Doklady 28 207-209 | 1983 | Kola Peninsula, Russia | 0 | 293 | |
| 0015554 | Innelite | Chernov A N, Ilyukhin V V, Maksimov B A, Belov N V (1971) Crystal structure of innelite - Na2Ba3(Ba,K,Mn)(Ca,Na)Ti(TiO2)2[Si2O7]2(SO4)2 Soviet Physics Crystallography 16 65-69 | 1971 | Inaglinskii Massif, Southern Yakusk, Russia | 0 | 293 | |
| 0005940 | Epistolite | Sokolova E V, Hawthorne F C (2004) The crystal chemistry of epistolite The Canadian Mineralogist 42 797-806 | | 2004 | 0 | 293 | |
| 0005741 | Delindeite | Ferraris G, Ivaldi G, Pushcharovsky D Y, Zubkova N V, Pekov I V (2001) The crystal structure of delindeite, Ba2{(Na,K,_)3(Ti,Fe)[Ti2(O,OH)4Si4O14](H2O,OH)2}, a member of the mero-plesiotype bafertisite series The Canadian Mineralogist 39 1307-1316 | | 2001 | 0 | 293 | |
| 0005756 | Bornemanite | Ferraris G, Belluso E, Gula A, Soboleva S V, Ageeva O A, Borutskii B E (2001) A structure model of the layer titanosilicate bornemanite based on seidozerite and lomonosovite modules The Canadian Mineralogist 39 1665-1673 | | 2001 | 0 | 293 |
CIF Raw Data - click here to close
Other Language Names for Lamprophyllite Group
Relationship of Lamprophyllite Group to other Species
Member of:
Other Members of Seidozerite Supergroup:
| Bafertisite Group | APDPMO4MH2(Si2O7)2(XOm)2(XOa)2XPm | |
| Bortolanite | Ca2(Ca1.5Zr0.5)Na(NaCa)Ti(Si2O7)2(OF)F2 | Tric. 1 : P1 |
| Ferroinnelite | Ba4Ti2Na(NaFe2+)Ti(Si2O7)2[(SO4)(PO4)]O2[O(OH)] | Tric. 1 : P1 |
| Horiite | Ba2Mn2Mn4Ti2(Si2O7)2(PO4)2O2(OH)2 | Tric. 1 : P1 |
| Murmanite Group | AP2MH2MO4(Si2O7)2(XOm,a)4 (XPm,a)4 | |
| Nacareniobsite-(Nd) | Ca2(CaNd)Na3Nb(Si2O7)2(OF)F2 | Mon. 2/m : P21/b |
| Rinkite Group | AP2MH2MO4(Si2O7)2(XOm)2(XOa)2 |
Lamprophyllite Group Members:
| Barytolamprophyllite | (Ba,Na)2(Na,Ti,Fe3+)4Ti2(Si2O7)2O(OH,F) | Mon. |
| Bornemanite | Na6BaTi2Nb(Si2O7)2(PO4)O2(OH)F | Tric. 1 : P1 |
| Delindeite | (Na,K)2(Ba,Ca)2(Ti,Fe,Al)3(Si2O7)2O2(OH)2 · 2H2O | Mon. 2/m : B2/m |
| Emmerichite | Ba2Na(Na,Fe2+)2(Fe3+,Mg)Ti2(Si2O7)2O2F2 | Mon. 2/m : B2/m |
| Epistolite | (Na◻)Nb2Na3Ti(Si2O7)2O2(OH)2(H2O)4 | Tric. 1 : P1 |
| Fluorbarytolamprophyllite | (Ba,Sr)2[(Na,Fe2+)3(Ti,Mg)F2][Ti2(Si2O7)2O2] | Mon. 2/m : B2/m |
| Fluorlamprophyllite | Na3(SrNa)Ti3(Si2O7)2O2F2 | Mon. 2/m : B2/m |
| Innelite | Ba4Ti2Na(NaMn2+)Ti(Si2O7)2[(SO4)(PO4)]O2[O(OH)] | Tric. 1 : P1 |
| Kazanskyite | BaNa3Ti2Nb(Si2O7)2O2(OH)2(H2O)4 | Tric. 1 : P1 |
| Lamprophyllite | (Na,Mn2+)3(Sr,Na)2(Ti,Fe3+)3(Si2O7)2O2(OH,O,F)2 | Mon. 2/m |
| Lileyite | Ba2(Na,Fe,Ca)3MgTi2(Si2O7)2O2F2 | Mon. 2/m : B2/m |
| Nabalamprophyllite | (BaNa)Ti2Na3Ti(Si2O7)2O2(OH)2 | Mon. 2/m : P2/m |
| Nechelyustovite | (Ba,Sr,K)2(Na,Ti,Mn)4(Ti,Nb)2(Si2O7)2O2(O,H2O,F)2 · 4.5H2O | Mon. 2/m : B2/m |
| Phosphoinnelite | Na3Ba4Ti3(Si2O7)2(PO4,SO4)2O2F | Tric. |
| Polyphite | Na5(Na4Ca2)Ti2(Si2O7)(PO4)3O2F2 | Tric. 1 : P1 |
| Saamite | Ba◻Na3Ti2Nb(Si2O7)2O2(OH)F(H2O)2 | Tric. 1 : P1 |
| Shkatulkalite | Na2Nb2Na3Ti(Si2O7)2O2(FO)(H2O)4(H2O)3 | Tric. 1 : P1 |
| Vuonnemite | Na11Ti4+Nb2(Si2O7)2(PO4)2O3(F,OH) | Tric. |
| Zvyaginite | NaZnNb2Ti[Si2O7]2(OH,F)3(H2O)4+x (x < 1) | Tric. 1 : P1 |
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.
Other Information
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 Lamprophyllite Group
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https://www.mindat.org/min-42445.html
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References for Lamprophyllite Group
Reference List:
Rastsvetaeva, Ramiza K., Chukanov, Nikita V., Aksenov, Sergey M. (2016) The crystal chemistry of lamprophyllite-related minerals: a review. European Journal of Mineralogy, 28 (5) 915-930 doi:10.1127/ejm/2016/0028-2560
Sokolova, E., Cámara, F. (2017) The seidozerite supergroup of TS-block minerals: nomenclature and classification, with change of the following names: rinkite to rinkite-(Ce), mosandrite to mosandrite-(Ce), hainite to hainite-(Y) and innelite-1T to innelite-1A. Mineralogical Magazine, 81 (6) 1457-1484 doi:10.1180/minmag.2017.081.010
Aksenov, Sergey M.; Ryanskaya, Anastasia D.; Shchapova, Yuliya V.; Chukanov, Nikita V.; Vladykin, Nikolay V.; Votyakov, Sergey L.; Rastsvetaeva, Ramiza K. (2021) Crystal chemistry of lamprophyllite-group minerals from the Murun alkaline complex (Russia) and pegmatites of Rocky Boy and Gordon Butte (USA): single crystal X-ray diffraction and Raman spectroscopy study. Acta Crystallographica Section B Structural Science, Crystal Engineering and Materials, 77 (2). 287-298 doi:10.1107/s2052520621000354
Localities for Lamprophyllite Group
Showing 242 localities.
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The Locality List
- 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).
All localities listed without proper references should be considered as questionable.
Konder alkaline-ultrabasic massif, Ayano-Maysky district, Khabarovsk Krai, Russia