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FOTO ATLAS
SYSTEMATIK


MINERAL CLASSIFICATION / SYSTEMATIK der MINERALE

           based on E.H. Nickel & M.C. Nichols (2009), H. Strunz & E.H. Nickel (2001)



9. SILICATES
(Silicates, Germanates)


9.C: Cyclosilicates


9.CA. Cyclosilicates, [Si3O9]6- 3-membered single rings (Dreier-Einfachringe), without insular complex anions
 
9.CA.05. Benitoite group
 
Benitoite BaTi(Si3O9) G
Bazirite BaZr(Si3O9) IMA 1976-053
Pabstite BaSn(Si3O9) IMA 1964-022


 
9.CA.10. Wadeite
 
Wadeite K2Zr(Si3O9) G


 
9.CA.15. Catapleiite group
 
Catapleiite Na2Zr(Si3O9)·2H2O G
Calciocatapleiite CaZr(Si3O9)·2H2O Rn


 
9.CA.20. Pseudowollastonite
 
Pseudowollastonite CaSiO3 A


 
9.CA.25. Margarosanite group
 
Breyite Ca3(Si3O9) tric., P-1 IMA 2018-062
Walstromite Ca2Ba(Si3O9) IMA 1964-009
Margarosanite Ca2Pb(Si3O9) G


 
9.CA.30. Bobtraillite
 
Bobtraillite (Na,Ca)13Sr11(Zr,Y,Nb)14Si42B6O132(OH)12·12H2O IMA 2001-041


 
9.CA.35. Rogermitchellite
 
Rogermitchellite Na6Sr12Ba2Zr13Si39B4O123(OH)6·9H2O trig., P-3c1 IMA 2003-019



 
 
9.CB. Cyclosilicates, [Si3O9]6- 3-membered single rings (Dreier-Einfachringe), with insular complex anions
 
9.CB.05. Roeblingite
 
Roeblingite Ca6Mn2+Pb2(Si3O9)2(SO4)2(OH)2·4H2O G


 
9.CB.10. Diversilite-(Ce)
 
Diversilite-(Ce) Na2Ba6Ce2Fe2+TiSi12O36(OH)10·nH2O IMA 2002-043


 
9.CB.15. Ilímaussite-(Ce)
 
Ilímaussite-(Ce) (Ba,Na)10K3Na4.5Ce5(Nb,Ti)6O6(Si12O36)(Si9O18)(O,OH)24 IMA 1965-025



 
 
9.CC. Cyclosilicates, [Si3O9]6- branched 3-membered single rings
 
9.CC.05. no example known at time
 



 
 
9.CD. Cyclosilicates, [Si3O9]6- 3-membered double rings
 
9.CD.05. Moskvinite-(Y)
 
Moskvinite-(Y) Na2KYSi6O15 IMA 2002-031



 
 
9.CE. Cyclosilicates, [Si4O12]8- 4-membered single rings (Vierer-Einfachringe), without insular complex anions
 
9.CE.05. Colinowensite
 
Colinowensite BaCuSi2O6 tetr., I41/acd IMA 2012-060


 
9.CE.10. Papagoite
 
Papagoite CaCuAlSi2O6(OH)3 A


 
9.CE.15. Verplanckite
 
Verplanckite Ba4Mn2+2Si4O12(OH,H2O)3Cl3 IMA 1964-011


 
9.CE.20. Baotite
 
Baotite Ba4(Ti,Nb,W)8O16(SiO3)4Cl A


 
9.CE.25. Taramellite group
 
Taramellite Ba4(Fe3+,Ti)4O2[B2Si8O27]Clx G
Titantaramellite Ba4(Ti,Fe3+,Mg)4(O,OH)2[B2Si8O27]Clx IMA 1977-046
Nagashimalite Ba4(V3+,Ti)4(O,OH)2[B2Si8O27]Cl IMA 1977-045


 
9.CE.30. Joaquinite group
 
Strontiojoaquinite (Na,Fe)2Ba2Sr2Ti2(SiO3)8O2(O,OH)·H2O IMA 1979-080, Rd
Joaquinite-(Ce) NaFe2+Ba2Ce2Ti2(SiO3)8O2(OH)·H2O Rd
Byelorussite-(Ce) NaMn2+Ba2Ce2Ti2(SiO3)8O2(F,OH)·H2O IMA 1988-042
Dutkevichit-(Ce) NaZnBa2Ce2Ti2(SiO3)8O2(F,OH)·H2O orth., Ama2 IMA 2019-102
Strontio-orthojoaquinite NaFe3+Sr4Ti2(SiO3)8(OH)4 IMA 1979-081a
Bario-orthojoaquinite Fe2+2Ba4Ti2(SiO3)8O2·H2O IMA 1979-081
Orthojoaquinite-(Ce) NaFe2+Ba2Ce2Ti2(SiO3)8O2(O,OH)·H2O IMA 1979-081b
Orthojoaquinite-(La) NaFe2+Ba2Ce2Ti2(SiO3)8O2(OH,O,F)·H2O Rd


 
9.CE.35. Labuntsovite supergroup
 
     35 a. Nenadkevichite group
Korobitsynite (Na,)4Ti2(Si4O12)(O,OH)2·4H2O FOTO IMA 1998-019
Nenadkevichite (Na,)4Nb2(Si4O12)(O,OH)2·4H2O G
 
     35 b. Vuoriyarvite group
Tsepinite-Na (Na,H3O,K,Sr,Ba,)2(Ti,Nb)2(Si4O12)(OH,O)2·3H2O IMA 2000-046, Rn
Tsepinite-K (K,Ba,Na)2-x(Ti,Nb)2(Si4O12)(OH,O)2·3H2O IMA 2002-005
Tsepinite-Ca (Ca,K,Na)2-x(Ti,Nb)2(Si4O12)(OH,O)2·4H2O IMA 2002-020
Tsepinite-Sr (Sr,Ba,K)2(Ti,Nb)2(Si4O12)(OH,O)2·3H2O IMA 2004-008
Vuoriyarvite-K (K,Na,)3Nb2(Si4O12)O2·3-4H2O IMA 1995-031, Rn
 
     35 c. Paratsepinite group
Paratsepinite-Na (Na,Sr,K,Ca)2(Ti,Nb)2(Si4O12)(OH,O)2·4H2O IMA 2003-008
Paratsepinite-Ba (Ba,Na,K)2-x(Ti,Nb)2(Si4O12)(OH,O)2·4H2O IMA 2002-006
 
     35 d. Lemmleinite group
Lemmleinite-K Na4K8Ti8(Si4O12)4(OH,O)8·8H2O FOTO IMA 1997-003, Rn
Lemmleinite-Ba Na4K4Ba2+xTi8(Si4O12)4(OH,O)8·8H2O FOTO IMA 1998-052a
 
     35 e. Labuntsovite group
Labuntsovite-Mg Na4K4Mg2Ti8(Si4O12)4O4(OH)4·10-12H2O IMA 1998-050a
Labuntsovite-Mn Na4K4Mn2Ti8(Si4O12)4O4(OH)4·10-12H2O Rn
Labuntsovite-Fe Na4K4Fe2Ti8(Si4O12)4O4(OH)4·10-12H2O IMA 1998-051a
 
     35 f. Gutkovaite group
Alsakharovite-Zn NaSrKZn(Ti,Nb)4(Si4O12)2(O,OH)4·7H2O IMA 2002-003
Gutkovaite-Mn CaK2Mn(Ti,Nb)4(Si4O12)2(O,OH)4·5H2O IMA 2001-038
Neskevaaraite-Fe NaK3Fe(Ti,Nb)4(Si4O12)2(O,OH)4·6H2O IMA 2002-007
 
     35 g. Kuzmenkoite group
Burovaite-Ca (Na,K)4Ca2(Ti,Nb)8(Si4O12)4(OH,O)8·12H2O IMA 2008-001
Kuzmenkoite-Mn K2MnTi4(Si4O12)2(OH)4·5-6H2O IMA 1998-058, Rn
Kuzmenkoite-Zn K2ZnTi4(Si4O12)2(OH)4·6-8H2O IMA 2001-037
Lepkhenelmite-Zn Ba2Zn(Ti,Nb)4(Si4O12)2(O,OH)4·7H2O IMA 2003-003
Gjerdingenite-Ca K2Ca(Nb,Ti)4(Si4O12)2(O,OH)4·6H2O IMA 2005-029
Gjerdingenite-Fe K2Fe(Nb,Ti)4(Si4O12)2(O,OH)4·6H2O FOTO IMA 2001-009
Gjerdingenite-Mn K2Mn(Nb,Ti)4(Si4O12)2(O,OH)4·6H2O IMA 2003-015
Gjerdingenite-Na K2Na(Nb,Ti)4(Si4O12)2(OH,O)4·5H2O IMA 2005-030
Karupmøllerite-Ca (Na,Ca,K)2Ca(Nb,Ti)4(Si4O12)2(O,OH)4·7H2O IMA 2001-028
 
     35 h. Organovaite group
Organovaite-Mn K2MnNb4(Si4O12)2O4·5-7H2O IMA 2000-031
Organovaite-Zn K2Zn(Nb,Ti)4(Si4O12)2(O,OH)4·6H2O IMA 2000-006
Parakuzmenkoite-Fe (K,Ba)8Fe4Ti16(Si4O12)8(OH,O)16·20-28H2O IMA 2001-007
 
     35 i. Paralabuntsovite
Paralabuntsovite-Mg Na8K8Mg4Ti16(Si4O12)8(OH,O)16·20-24H2O A


 
9.CE.40. Rippite
 
Rippite K2(Nb,Ti)2(Si4O12)O(O,F) tetr., P4bm IMA 2016-025


 
9.CE.45. Komarovite
 
Komarovite (Ca,Sr,Na)6-x(Nb,Ti)6(Si4O12)(O,OH,F)16·nH2O IMA 1971-011



 
 
9.CF. Cyclosilicates, [Si4O12]8- 4-membered single rings (Vierer-Einfachringe), with insular complex anions
 
9.CF.05. Ashburtonite
 
Ashburtonite HCu4Pb4(Si4O12)(HCO3)4(OH)4Cl FOTO IMA 1990-033


 
9.CF.10. Bobmeyerite
 
Bobmeyerite (Al3Cu)Pb4(Si4O12)(S0.5Si0.5O4)(OH)7Cl(H2O)3Cl orth., Pnnm IMA 2012-019


 
9.CF.15. Kainosite-(Y)
 
Kainosite-(Y) Ca2Y2(SiO3)4(CO3)·H2O A


 
9.CF.20. Phosinaite group
 
Phosinaite-(Ce) Na13Ca2Ce(SiO3)4(PO4)4 IMA 1973-058
Clinophosinaite Na3Ca(SiO3)(PO4) IMA 1979-083


 
9.CF.25. Strakhovite
 
Strakhovite NaBa3(Mn2+,Mn3+)4[Si4O10(OH)2][Si2O7]O2(F,OH)·H2O IMA 1993-005


 
9.CF.30. Cerchiaraite group
 
Cerchiaraite-(Al) Ba4Al4(Si4O12)O2(OH)4Cl2[Si2O3(OH)4] IMA 2012-011
Cerchiaraite-(Mn) Ba4Mn3+4(Si4O12)O2(OH)4Cl2[Si2O3(OH)4] IMA 1999-012, Rn
Cerchiaraite-(Fe) Ba4Fe3+4(Si4O12)O2(OH)4Cl2[Si2O3(OH)4] IMA 2012-012



 
 
9.CG. Cyclosilicates, [Si4O12]8- branched 4-membered single rings
 
9.CG.05. Eakerite
 
Eakerite CaSn4+Al2Si6O18)(OH)2·2H2O IMA 1969-019



 
 
9.CH. Cyclosilicates, [Si4O12]8- 4-membered double rings
 
9.CH.05. Steacyite group
 
Steacyite K0.3(Na,Ca)2ThSi8O20 A
Iraqite-(La) KCa2(La,Ce,Th)Si8O20 IMA 1973-041
Turkestanite (K,)(Ca,Na)2ThSi8O20·nH2O FOTO IMA 1996-036
Arapovite (K1-xx)(Ca,Na)2U4+Si8O20 (x ca.0.5) IMA 2003-046



 
 
9.CJ. Cyclosilicates, [Si6O18]12- 6-membered single rings (Sechser-Einfachringe), without insular complex anions
 
9.CJ.05. Beryl group
 
Beryl Be3Al2Si6O18 hex., P6/mmc FOTO G
Bazzite Be3(Sc,Fe3+,Mg)2Si6O18Na0.32(H2O)n FOTO G
Stoppaniite Be3Fe3+2Si6O18(H2O) G
Avdeevite (LiBe2)Al2Si6O18(Na,Cs) hex., P6/mmc IMA 2018-109
Pezzottaite (LiBe2)Al2Si6O18Cs trig., R-3c FOTO IMA 2003-022
Johnkoivulaite (Be2B)Mg2Si6O18Cs trig., R-3c IMA 2019-046
Indialite Mg2Al3(AlSi5O18) FOTO G
Ferroindialite (Fe,Mg)2Al3(AlSi5O18) IMA 2013-016


 
9.CJ.10. Cordierite group
 
Cordierite Mg2Al3(AlSi5O18) G
Sekaninaite Fe2+2Al3(AlSi5O18) IMA 1967-047


 
9.CJ.15. Lovozerite group
 
     15 a. Zirsinalite - Lovozerite subgroup
Townendite Na3Na3Na2Zr[Si6O18] trig., R-3m IMA 2009-066
Zirsinalite Na3Na3(Ca)Zr[Si6O18] IMA 1973-025
Kapustinite Na3Na32Zr[Si6O16(OH)2] IMA 2003-018
Kazakovite Na3Na3(Mn2+)Ti[Si6O18] IMA 1973-061
Tisinalite Na33(Mn2+)Ti[Si6O15(OH)3] IMA 1979-052
Combeite (Na1.5Ca1.5)(Na2)(CaNa)Ca[Si6O17.5(OH)0.5] G
Lovozerite Na33(Ca)Zr[Si6O15(OH)3] G
Zolotarevite Na3(H2O)Na2Zr[Si6O15(OH)3] trig., R-3m IMA 2020-076
Litvinskite Na332Zr[Si6O13(OH)5] IMA 1999-017
 
     15 b. Koashvite subgroup
Koashvite Na3Na3(Ca)Ti[Si6O18] orth. IMA 1973-026
 
     15 c. Imandrite subgroup
Imandrite Na3Na3(Ca1.50.5)Fe3+[Si6O18] orth. IMA 1979-025

Lovozerite group: general formula A3D3G2M(HxSi6O18)·nH2O (x = 0 - 6, n = 0 - 1).
A = Na, Ca.
D = Na, .
G = Ca, Mn2+, Na, .
M = Zr, Ti, Fe3+, Ca.
Ref.: Pekov et al. (2009) Eur. J. Min. 21, 1061-1071


 
9.CJ.20. Baratovite group
 
Katayamalite KLi3Ca7Ti2(SiO3)12(OH)2 IMA 1982-004
Baratovite KLi3Ca7Ti2(SiO3)12F2 IMA 1974-055
Aleksandrovite KLi3Ca7Sn2(SiO3)12F2 IMA 2009-004


 
9.CJ.25. Dioptase
 
Dioptase CuSiO3·H2O G


 
9.CJ.30. Kostylevite
 
Kostylevite K2Zr(Si3O9)·H2O IMA 1982-053


 
9.CJ.35. Petarasite
 
Petarasite Na5Zr2(Si6O18)(Cl,OH)·2H2O IMA 1979-063


 
9.CJ.40. Gerenite-(Y)
 
Gerenite-(Y) (Ca,Na,)2Y3(Si6O18)·2H2O IMA 1993-034


 
9.CJ.45. Odintsovite group
 
Nakkaalaaqite K2(Na3Ca)LiCa2Ti2Be4Si12O38 orth., Fddd IMA 2020-059
Odintsovite K2(Na3Ca)NaCa2Ti2Be4Si12O38 orth., Fddd IMA 1994-052


 
9.CJ.50. Mathewrogersite
 
Mathewrogersite Pb7FeAl3GeSi12O36(OH,H2O)6 IMA 1984-042



 
 
9.CK. Cyclosilicates, [Si6O18]12- 6-membered single rings (Sechser-Einfachringe), with insular complex anions
 
9.CK.05. Tourmaline group
 
Alumino-oxy-rossmanite Al3Al6(Si6O18)(BO3)3(OH)3O trig., R3m IMA 2020-008b
Magnesio-foitite (Mg2Al)Al6(Si6O18)(BO3)3(OH)3(OH) FOTO IMA 1998-037, Rd
Celleriite (Mn2+2Al)Al6(Si6O18)(BO3)3(OH)3(OH) trig., R3m IMA 2019-089
Foitite (Fe2+2Al)Al6(Si6O18)(BO3)3(OH)3(OH) FOTO IMA 1992-034
Oxy-foitite (Fe2+Al2)Al6(Si6O18)(BO3)3(OH)3O IMA 2016-069
Rossmanite (Al2Li)Al6(Si6O18)(BO3)3(OH)3(OH) IMA 1996-018
Dravite NaMg3Al6(Si6O18)(BO3)3(OH)3(OH) G
Fluor-dravite NaMg3Al6(Si6O18)(BO3)3(OH)3F IMA 2009-089
Oxy-dravite Na(Mg2Al)Al6(Si6O18)(BO3)3(OH)3O IMA 2012-004a
Schorl NaFe2+3Al6(Si6O18)(BO3)3(OH)3(OH) Rn
Fluor-schorl NaFe2+3Al6(Si6O18)(BO3)3(OH)3F IMA 2010-067
Oxy-schorl Na(Fe2+2Al)Al6(Si6O18)(BO3)3(OH)3O IMA 2011-011
Dutrowite Na(Fe2+2.5Ti0.5)Al6(Si6O18)(BO3)3(OH)3O trig., R3m IMA 2019-082
Luinaite-(OH) (Na,)(Fe2+,Mg)3Al6(Si6O18)(BO3)3(OH)3(OH) IMA 2009-046
Princivalleite Na(Mn2+2Al)Al6(Si6O18)(BO3)3(OH)3O trig., R3m IMA 2020-056
Tsilaisite NaMn2+3Al6(Si6O18)(BO3)3(OH)3(OH) IMA 2011-047
Fluor-tsilaisite NaMn2+3Al6(Si6O18)(BO3)3(OH)3F IMA 2012-044
Elbaite Na(Al1.5Li1.5)Al6(Si6O18)(BO3)3(OH)3(OH) FOTO G
Fluor-elbaite Na(Al1.5Li1.5)Al6(Si6O18)(BO3)3(OH)3F IMA 2011-071
Darrellhenryite Na(Al2Li)Al6(Si6O18)(BO3)3(OH)3O IMA 2012-026
Olenite NaAl3Al6(Si6O18)(BO3)3O3(OH) FOTO IMA 1985-006
Fluor-buergerite NaFe3+3Al6(Si6O18)(BO3)3O3F FOTO IMA 1965-005
Bosiite NaFe3+3(Al4Mg2)(Si6O18)(BO3)3(OH)3O IMA 2014-094
Povondraite NaFe3+3(Fe3+4Mg2)(Si6O18)(BO3)3(OH)3O Rn
Chromo-alumino-povondraite
NaCr3(Al4Mg2)(Si6O18)(BO3)3(OH)3O IMA 2013-089
Vanadio-oxy-dravite NaV3(Al4Mg2)(Si6O18)(BO3)3(OH)3O IMA 2012-074
Oxy-vanadium-dravite NaV3(V4Mg2)(Si6O18)(BO3)3(OH)3O Rd
Chromium-dravite NaMg3Cr6(Si6O18)(BO3)3(OH)3(OH) FOTO IMA 1982-055, Rd
Vanadio-oxy-chromium-dravite
NaV3(Cr4Mg2)(Si6O18)(BO3)3(OH)3O IMA 2012-034
Oxy-chromium-dravite NaCr3(Cr4Mg2)(Si6O18)(BO3)3(OH)3O IMA 2011-097
Maruyamaite K(MgAl2)(Al5Mg)(Si6O18)(BO3)3(OH)3O trig. IMA 2013-123
Fluor-liddicoatite Ca(Li2Al)Al6(Si6O18)(BO3)3(OH)3F IMA 1976-041, Rd
Uvite CaMg3(Al5Mg)(Si6O18)(BO3)3(OH)3(OH) trig., R3m IMA 2019-113
Fluor-uvite CaMg3(Al5Mg)(Si6O18)(BO3)3(OH)3F Rd
Feruvite CaFe2+3(Al5Mg)(Si6O18)(BO3)3(OH)3(OH) IMA 1987-057
Magnesio-lucchesiite CaMg3Al6(Si6O18)(BO3)3(OH)3O trig. IMA 2019-025
Lucchesiite CaFe2+3Al6(Si6O18)(BO3)3(OH)3O trig. IMA 2015-043
Adachiite CaFe2+3Al6(Si5AlO18)(BO3)3(OH)3(OH) IMA 2012-101


 
9.CK.10. Scawtite
 
Scawtite Ca7(Si3O9)2(CO3)·2H2O G


 
9.CK.15. Steenstrupine-(Ce)
 
Steenstrupine-(Ce) Na14Ce6Mn2+2Fe2+2Zr(Si12O36)(PO4)7(OH)2·3H2O A
Thorosteenstrupine (Ca,Th,Mn)3Si4O11F·6H2O (?) metamict A

Suggested formula for Thorosteenstrupine: Na0-5Ca1-3(Th,REE)6(Mn,Fe,Al,Ti)4-5(Si12O36)(SiO4,PO4)6(OH,F,O)x·nH2O
(Pekov et al. (1997) Zap. Vser. Min. Ob. 126, 6, 35-44)


 
9.CK.20. Abenakiite-(Ce)
 
Abenakiite-(Ce) Na26Ce6(Si6O18)(PO4)6(CO3)6(SO2)O trig., R-3 IMA 1991-054


 
9.CK.25. Waipouaite
 
Waipouaite Ca3(V4+4.5V5+0.5)O9[Si2O5(OH)2][Si3O7.5(OH)1.5]·11H2O mon., P21/c IMA 2019-095

Waipouaite contains 6-membered rings of SiO4-tetrahedra and Si2O7 groups and polyoxovanadate units, all connected to complex chains parallel [100].



 
 
9.CL. Cyclosilicates, [Si6O18]12- branched 6-membered single rings
 
9.CL.05. Tienshanite
 
Tienshanite K(Na,K,)9Ca2Ba6Mn2+6Ti6B12Si36O114(O,OH,F)11 IMA 1967-028



 
 
9.CM. Cyclosilicates, [Si12O30]12- 6-membered double rings
 
9.CM.05. Milarite group
 
Aluminosugilite KNa2Fe3+2Li3[Si12O30] hex., P6/mmc IMA 2018-142
Sugilite KNa2Fe3+2Li3[Si12O30] FOTO IMA 1974-060
Berezanskite KTi2Li3[Si12O30] IMA 1996-041
Sogdianite KZr2Li3[Si12O30] A
Brannockite KSn2Li3[Si12O30] IMA 1972-029
Darapiosite KNa2Mn4(Li2Zn)[Si12O30] IMA 1974-056
Dusmatovite KK2Mn4(Li2Zn)[Si12O30] IMA 1994-010
Oftedalite KSc22Be3[Si12O30] IMA 2003-045a
Friedrichbeckeite K(Na)Mg2(Be2Mg)[Si12O30] hex. IMA 2008-019
Almarudite K(,Na)2(Mn,Fe,Mg)2(Be,Al)3[Si12O30] IMA 2002-048
Laurentthomasite KMg2(Be2Al)[Si12O30]·H2O hex., P6/mcc IMA 2018-157
Milarite KCa2(Be2Al)[Si12O30]·H2O G
Agakhanovite-(Y) KCaYBe3[Si12O30]·2H2O hex. IMA 2013-090
Poudretteite KNa2B3[Si12O30] IMA 1986-028
Osumilite-(Mg) KMg2Al3[Al2Si10O30] IMA 2011-083
Osumilite KFe2Al3[Al2Si10O30] G
Armenite BaCa2Al3[Al3Si9O30] G
Trattnerite Fe3+2Mg3[Si12O30] IMA 2002-002
Eifelite KNa2(MgNa)Mg3[Si12O30] IMA 1980-097
Roedderite KNaMg2Mg3[Si12O30] IMA 1965-023
Yagiite NaMg2(Mg2Al)[Si12O30] IMA 1968-020
Merrihueite (K,Na)2(Fe2+,Mg)5[Si12O30] IMA 1965-020
Chayesite KMg4Fe3+[Si12O30] IMA 1987-059
Klöchite K(Na)Fe2Zn3[Si12O30] hex. IMA 2007-054
Shibkovite K2Ca2Zn3[Si12O30] IMA 1997-018


 
9.CM.10. Faizievite
 
Faizievite Li6K2Na(Ca6Na)Ti4(Si6O18)2(Si12O30)F2 IMA 2006-037



 
 
9.CN. Cyclosilicates, [Si8O24]16- 8-membered rings
 
9.CN.05. Muirite
 
Muirite Ba10Ca2Mn2+TiSi10O30(OH,Cl,F)10 IMA 1964-013



 
 
9.CO. Cyclosilicates, [Si9O27]18- 9-membered rings
 
9.CO.05. Eudialyte group
 
     05 a. 12-layer structures (c ∼ 30 Å), Eudialyte type
Eudialyte Na15Ca6Fe3Zr3Si(Si25O73)(O,OH,H2O)3(Cl,OH)2 A
Fengchengite Na123(Ca,Sr)6Fe3+3Zr3Si(Si25O73)(OH)2(H2O)3 trig., R-3m IMA 2007-018a
Manganoeudialyte Na14Ca6Mn3Zr3Si(Si25O72(OH)2)(H2O,Cl,O,OH)6 FOTO IMA 2009-039
Aqualite (H3O)8(Na,K,Sr)5Ca6Zr3(Si26O66)(OH)9Cl IMA 2002-066
Kentbrooksite Na15Ca6Mn2+3Zr3Nb(Si25O73)(O,OH,H2O)3(F,Cl)2 IMA 1996-023
Ferrokentbrooksite Na15Ca6Fe2+3Zr3Nb(Si25O73)(O,OH,H2O)3(F,Cl)2 IMA 1999-046
Carbokentbrooksite (Na,)12(Na,Ce)3Ca6Mn3Zr3Nb(Si25O73)(OH)3(CO3) ·H2O IMA 2002-056
Zirsilite-(Ce) (Na,)12(Ce,Na)3Ca6Mn3Zr3Nb(Si25O73)(OH)3(CO3) ·H2O IMA 2002-057
Andrianovite Na12(K,Sr,Ce)3Ca6Mn3Zr3Nb(Si25O73)(O,H2O,OH)5 IMA 2007-008
Georgbarsanovite Na12(Mn,Sr,REE)3Ca6Fe2+3Zr3Nb(Si25O73)O3Cl2·H2O IMA 2003-013
Taseqite Na12Sr3Ca6Fe3Zr3Nb(Si25O73)(O,OH,H2O)3Cl2 IMA 2002-055
Odikhinchaite Na9Sr3[(H2O)2Na]Ca6Mn3Zr3Nb(Si25O72)O(OH)3(CO3)·H2O trig., R3m IMA 2020-064
Golyshevite Na10Ca9Zr3Fe2SiNb(Si3O9)2(Si9O27)2(OH)3(CO3)·H2O IMA 2004-039
Feklichevite Na11Ca9(Fe3+,Fe2+)2Zr3Nb(Si25O73)(OH,H2O,Cl,O)5 FOTO IMA 2000-017
Khomyakovite Na12Sr3Ca6Fe3Zr3W(Si25O73)(O,OH,H2O)3(Cl,OH)2 IMA 1998-042
Manganokhomyakovite Na12Sr3Ca6Mn3Zr3W(Si25O73)(O,OH,H2O)3(Cl,OH)2 IMA 1998-043
Johnsenite-(Ce) Na12Ce3Ca6Mn3Zr3W(Si25O73)(CO3)(OH)2 IMA 2004-026
Mogovidite Na9(Ca,Na)12Fe2Zr3(Si25O72)(CO3)(OH)4 IMA 2004-040
Ikranite (Na,H3O)15(Ca,Mn,REE)6Fe2+2Zr3Si24O66(O,OH)6Cl·nH2O IMA 2000-010
Siudaite Na8(Mn2+2Na)Ca6Fe3+3Zr3NbSi25O74(OH)2Cl·5H2O trig., R3m IMA 2017-092
Davinciite Na12K3Ca6Fe2+3Zr3Si26O73(OH)Cl2 trig., R3m IMA 2011-019
Ilyukhinite (H3O,Na)14Ca6Mn2Zr3(Si26O72)(OH)2(H2O)3 trig., R-3m IMA 2015-065
 
     05 b. 12-layer structures (c ∼ 30 Å), Oneillite type
Raslakite Na15Ca3Fe3(Na,Zr)3Zr3(Si,Nb)(Si25O73)(OH,H2O)3(Cl,OH) IMA 2002-067
Sergevanite Na15Ca3Mn3(Na2Fe)Zr3Si(Si25O72)(OH)3(H2) trig., R3 IMA 2019-057
Voronkovite Na15(Na,Ca,Ce)3(Mn,Ca)3Fe3Zr3Si(Si25O72)(OH,O)4Cl·H2O IMA 2007-023
Oneillite Na15Ca3Mn3Fe3Zr3Nb(Si25O73)(O,OH,H2O)3(OH,Cl)2 IMA 1998-064
Selsurtite (H3O)12Na3Ca3Mn3(Na2Fe)Zr3(Si24O69(OH)3)(OH)Cl(H2) trig., R3 IMA 2022-026
 
     05 c. 24-layer structures (c ∼ 60 Å), low-hydrous
Alluaivite Na19(Ca,Mn2+)6(Ti,Nb)3Si26O74Cl·2H2O IMA 1988-052
Dualite Na30(Ca,Na,Ce,Sr)12(Na,Mn,Fe,Ti)6Zr3Ti3MnSi51O144(OH,H2O,Cl)9 IMA 2005-019
Rastsvetaevite Na27K8Ca12Fe3Zr6Si52O144(OH,O)6Cl2 IMA 2000-028
Labyrinthite (Na,K,Sr)35Ca12Fe3Zr6TiSi51O144(O,OH,H2O)9Cl3 IMA 2002-065
 
     05 d. 24-layer structures (c ∼ 60 Å), high-hydrous
 



 
 
9.CP. Cyclosilicates, 12-membered and larger rings
 
9.CP.05. Traskite
 
Traskite Ba21Ca(Fe,Mn,Ti)4(Ti,Fe,Mg)12(Si12O36)(Si2O7)6(O,OH)30Cl6 ·14H2O IMA 1964-014


 
9.CP.10. Megacyclite
 
Megacyclite KNa8Si9O18(OH)9·19H2O IMA 2013-015






 
 

G = Grandfathered minerals: original description preceded the establishment of the CNMNC in 1959, and generally regarded as a valid species
A or IMA No. = Minerals approved by the CNMNC
Rd = Redefinition of the mineral approved by the CNMNC
Rn = Renamed with approval by the CNMNC
Q = Questionable mineral


© Thomas Witzke (2007-2021)


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