Vitim Plateau, Irkutsk Oblast, Russia (original) (raw)
H
H
◻Ca2(Mg4.5-2.5Fe0.5-2.5)Si8O22(OH)2
H
(CaCe)(AlAlFe2+)O[Si2O7][SiO4](OH)
H
CeSr(CO3)2(OH) · H2O
H
(Ce,Ca,Sr)CO3(OH,H2O)
H
(Ce7Ca2)◻Mg(SiO4)3(SiO3OH)4(OH)3
H
(Sr,Ca,Ba)3(Ce,La)(CO3)3-x(PO4)(OH,F)2x
H
CeNbO4 · 0.3H2O
H
(Ca,Ce,Na)(Nb,Ta,Ti)2(O,OH,F)6
H
Ce(CO3)(OH)
H
(La,Nd,Ce)(CO3)(OH,F)
H
Mg8Al(AlSi7O20)(OH)10
H
◻{Na2}{Mg3Fe23+}(Si8O22)(OH)2
H
(Ce,Ca)(Nb,Ti)2(O,OH)6
H
(Nd,Ce,Ca,Th)(Nb,Ti,Fe,Ta)2(O,OH)6
H
KMg3(AlSi3O10)(OH)2
H
A2Nb2(O,OH)6Z
H
Mg3Si4O10(OH)2
H
KMg3(Fe3+Si3O10)(OH,F)2
H
Ce2Al(SiO4)2(OH)
H
◻Ca2Mg5(Si8O22)(OH)2
H
◻{CaNa}{Mg4Al}(Si8O22)(OH)2
H
LaSr(CO3)2(OH) · H2O
H
(CaCe)(Fe3+AlFe2+)O[Si2O7][SiO4](OH)
H
(Ce6Ca3)◻Al(SiO4)3[SiO3(OH)]4(OH)3
H
CaCe3(Fe3+Al2Fe2+)[Si2O7][SiO4]3O(OH)2
H
Ce9Fe3+(SiO4)6[SiO3(OH)](OH)3
C
C
CeSr(CO3)2(OH) · H2O
C
CaCO3
C
Ce(CO3)F
C
Ba6Ca6Mg(CO3)13
C
(Ce,Ca,Sr)CO3(OH,H2O)
C
CaCO3
C
(Ca,Na)(Sr,Ce,Ba)(CO3)2
C
NaBaCe2(CO3)4F
C
(Sr,Ca,Ba)3(Ce,La)(CO3)3-x(PO4)(OH,F)2x
C
CaMg(CO3)2
C
BaCe(CO3)2F
C
Ce(CO3)(OH)
C
(La,Nd,Ce)(CO3)(OH,F)
C
BaMg(CO3)2
C
SrCO3
C
LaSr(CO3)2(OH) · H2O
C
Ba2Ce(CO3)3F
C
ⓘ Strontianite var. Emmonite
(Sr,Ca)CO3
C
ⓘ Calcite var. Strontium-rich Calcite
(Ca,Sr)CO3
C
ⓘ Dolomite var. Iron-bearing Dolomite
Ca(Mg,Fe)(CO3)2
C
ⓘ Aragonite var. Strontium-bearing Aragonite
(Ca,Sr)CO3
C
Ce2Fe2+(Si2O7)(CO3)
C
ⓘ Unnamed (La-analogue of Daqingshanite-(Ce))
(Sr,Ca,Ba)3(La,Ce,Nd)[PO4][CO3]3
C
(Na,Ca)Ba(La,Ce,Sr)2(CO3)4F
O
O
◻Ca2(Mg4.5-2.5Fe0.5-2.5)Si8O22(OH)2
O
NaFe3+Si2O6
O
Na(AlSi3O8)
O
(CaCe)(AlAlFe2+)O[Si2O7][SiO4](OH)
O
CeSr(CO3)2(OH) · H2O
O
CaCO3
O
Ba4(Ti,Nb,W)8O16(SiO3)4Cl
O
BaSO4
O
Ce(CO3)F
O
Ba3(Nb,Ti)6(Si2O7)2O12
O
Ba6Ca6Mg(CO3)13
O
(Ce,Ca,Sr)CO3(OH,H2O)
O
CaCO3
O
(Ca,Na)(Sr,Ce,Ba)(CO3)2
O
(Ce7Ca2)◻Mg(SiO4)3(SiO3OH)4(OH)3
O
NaBaCe2(CO3)4F
O
(Sr,Ca,Ba)3(Ce,La)(CO3)3-x(PO4)(OH,F)2x
O
CaMgSi2O6
O
CaMg(CO3)2
O
CeNbO4 · 0.3H2O
O
NdNbO4
O
(Ca,Ce,Na)(Nb,Ta,Ti)2(O,OH,F)6
O
Mg2SiO4
O
Zn2+Fe23+O4
O
BaCe(CO3)2F
O
Mg7(SiO4)3F2
O
Ce(CO3)(OH)
O
(La,Nd,Ce)(CO3)(OH,F)
O
Fe2+TiO3
O
Mg8Al(AlSi7O20)(OH)10
O
◻{Na2}{Mg3Fe23+}(Si8O22)(OH)2
O
Fe2+Fe23+O4
O
Ce(PO4)
O
La(PO4)
O
(Ce,Ca)(Nb,Ti)2(O,OH)6
O
(Nd,Ce,Ca,Th)(Nb,Ti,Fe,Ta)2(O,OH)6
O
BaMg(CO3)2
O
KMg3(AlSi3O10)(OH)2
O
A2Nb2(O,OH)6Z
O
SiO2
O
SrCO3
O
Mg3Si4O10(OH)2
O
KMg3(Fe3+Si3O10)(OH,F)2
O
Th(SiO4)
O
CaTi(SiO4)O
O
Ce2Al(SiO4)2(OH)
O
◻Ca2Mg5(Si8O22)(OH)2
O
(Ca,Ce)(Nb,Ta,Ti)2O6
O
◻{CaNa}{Mg4Al}(Si8O22)(OH)2
O
Zr(SiO4)
O
LaSr(CO3)2(OH) · H2O
O
Ce4(Ti,Fe2+,Fe3+)5O8(Si2O7)2
O
Ba2Ce(CO3)3F
O
ⓘ Strontianite var. Emmonite
(Sr,Ca)CO3
O
ⓘ Calcite var. Strontium-rich Calcite
(Ca,Sr)CO3
O
ⓘ Dolomite var. Iron-bearing Dolomite
Ca(Mg,Fe)(CO3)2
O
(CaCe)(Fe3+AlFe2+)O[Si2O7][SiO4](OH)
O
ⓘ Aragonite var. Strontium-bearing Aragonite
(Ca,Sr)CO3
O
Ce2Fe2+(Si2O7)(CO3)
O
(Ce6Ca3)◻Al(SiO4)3[SiO3(OH)]4(OH)3
O
ⓘ Chevkinite-(Ce) var. Niobochevkinite
(Ce,La,Ca,Th)4Fe2+(Fe2+,Ti,Fe3+)2(Ti,Nb,Fe3+)2[Si2O7]2O8
O
ⓘ Unnamed (La-analogue of Daqingshanite-(Ce))
(Sr,Ca,Ba)3(La,Ce,Nd)[PO4][CO3]3
O
(Na,Ca)Ba(La,Ce,Sr)2(CO3)4F
O
(Ce,La,Ca)(Ti,Fe)SiO5
O
CaCe3(Fe3+Al2Fe2+)[Si2O7][SiO4]3O(OH)2
O
Ce9Fe3+(SiO4)6[SiO3(OH)](OH)3
F
F
Ce(CO3)F
F
NaBaCe2(CO3)4F
F
(Sr,Ca,Ba)3(Ce,La)(CO3)3-x(PO4)(OH,F)2x
F
(Ca,Ce,Na)(Nb,Ta,Ti)2(O,OH,F)6
F
BaCe(CO3)2F
F
Mg7(SiO4)3F2
F
(La,Nd,Ce)(CO3)(OH,F)
F
KMg3(Fe3+Si3O10)(OH,F)2
F
Ba2Ce(CO3)3F
F
(Na,Ca)Ba(La,Ce,Sr)2(CO3)4F
Na
Na
NaFe3+Si2O6
Na
Na(AlSi3O8)
Na
(Ca,Na)(Sr,Ce,Ba)(CO3)2
Na
NaBaCe2(CO3)4F
Na
(Ca,Ce,Na)(Nb,Ta,Ti)2(O,OH,F)6
Na
◻{Na2}{Mg3Fe23+}(Si8O22)(OH)2
Na
◻{CaNa}{Mg4Al}(Si8O22)(OH)2
Na
(Na,Ca)Ba(La,Ce,Sr)2(CO3)4F
Mg
Mg
◻Ca2(Mg4.5-2.5Fe0.5-2.5)Si8O22(OH)2
Mg
Ba6Ca6Mg(CO3)13
Mg
(Ce7Ca2)◻Mg(SiO4)3(SiO3OH)4(OH)3
Mg
CaMgSi2O6
Mg
CaMg(CO3)2
Mg
Mg2SiO4
Mg
Mg7(SiO4)3F2
Mg
Mg8Al(AlSi7O20)(OH)10
Mg
◻{Na2}{Mg3Fe23+}(Si8O22)(OH)2
Mg
BaMg(CO3)2
Mg
KMg3(AlSi3O10)(OH)2
Mg
Mg3Si4O10(OH)2
Mg
KMg3(Fe3+Si3O10)(OH,F)2
Mg
◻Ca2Mg5(Si8O22)(OH)2
Mg
◻{CaNa}{Mg4Al}(Si8O22)(OH)2
Mg
ⓘ Dolomite var. Iron-bearing Dolomite
Ca(Mg,Fe)(CO3)2
Al
Al
Na(AlSi3O8)
Al
(CaCe)(AlAlFe2+)O[Si2O7][SiO4](OH)
Al
Mg8Al(AlSi7O20)(OH)10
Al
KMg3(AlSi3O10)(OH)2
Al
Ce2Al(SiO4)2(OH)
Al
◻{CaNa}{Mg4Al}(Si8O22)(OH)2
Al
(CaCe)(Fe3+AlFe2+)O[Si2O7][SiO4](OH)
Al
(Ce6Ca3)◻Al(SiO4)3[SiO3(OH)]4(OH)3
Al
CaCe3(Fe3+Al2Fe2+)[Si2O7][SiO4]3O(OH)2
Si
Si
◻Ca2(Mg4.5-2.5Fe0.5-2.5)Si8O22(OH)2
Si
NaFe3+Si2O6
Si
Na(AlSi3O8)
Si
(CaCe)(AlAlFe2+)O[Si2O7][SiO4](OH)
Si
Ba4(Ti,Nb,W)8O16(SiO3)4Cl
Si
Ba3(Nb,Ti)6(Si2O7)2O12
Si
(Ce7Ca2)◻Mg(SiO4)3(SiO3OH)4(OH)3
Si
CaMgSi2O6
Si
Mg2SiO4
Si
Mg7(SiO4)3F2
Si
Mg8Al(AlSi7O20)(OH)10
Si
◻{Na2}{Mg3Fe23+}(Si8O22)(OH)2
Si
KMg3(AlSi3O10)(OH)2
Si
SiO2
Si
Mg3Si4O10(OH)2
Si
KMg3(Fe3+Si3O10)(OH,F)2
Si
Th(SiO4)
Si
CaTi(SiO4)O
Si
Ce2Al(SiO4)2(OH)
Si
◻Ca2Mg5(Si8O22)(OH)2
Si
◻{CaNa}{Mg4Al}(Si8O22)(OH)2
Si
Zr(SiO4)
Si
Ce4(Ti,Fe2+,Fe3+)5O8(Si2O7)2
Si
(CaCe)(Fe3+AlFe2+)O[Si2O7][SiO4](OH)
Si
Ce2Fe2+(Si2O7)(CO3)
Si
(Ce6Ca3)◻Al(SiO4)3[SiO3(OH)]4(OH)3
Si
ⓘ Chevkinite-(Ce) var. Niobochevkinite
(Ce,La,Ca,Th)4Fe2+(Fe2+,Ti,Fe3+)2(Ti,Nb,Fe3+)2[Si2O7]2O8
Si
(Ce,La,Ca)(Ti,Fe)SiO5
Si
CaCe3(Fe3+Al2Fe2+)[Si2O7][SiO4]3O(OH)2
Si
Ce9Fe3+(SiO4)6[SiO3(OH)](OH)3
P
P
(Sr,Ca,Ba)3(Ce,La)(CO3)3-x(PO4)(OH,F)2x
P
Ce(PO4)
P
La(PO4)
P
ⓘ Unnamed (La-analogue of Daqingshanite-(Ce))
(Sr,Ca,Ba)3(La,Ce,Nd)[PO4][CO3]3
S
S
BaSO4
S
Cu5FeS4
S
CuFeS2
S
PbS
S
MoS2
S
FeS2
S
Fe1-xS
Cl
Cl
Ba4(Ti,Nb,W)8O16(SiO3)4Cl
K
K
KMg3(AlSi3O10)(OH)2
K
KMg3(Fe3+Si3O10)(OH,F)2
Ca
Ca
◻Ca2(Mg4.5-2.5Fe0.5-2.5)Si8O22(OH)2
Ca
(CaCe)(AlAlFe2+)O[Si2O7][SiO4](OH)
Ca
CaCO3
Ca
Ba6Ca6Mg(CO3)13
Ca
(Ce,Ca,Sr)CO3(OH,H2O)
Ca
CaCO3
Ca
(Ca,Na)(Sr,Ce,Ba)(CO3)2
Ca
(Ce7Ca2)◻Mg(SiO4)3(SiO3OH)4(OH)3
Ca
(Sr,Ca,Ba)3(Ce,La)(CO3)3-x(PO4)(OH,F)2x
Ca
CaMgSi2O6
Ca
CaMg(CO3)2
Ca
(Ca,Ce,Na)(Nb,Ta,Ti)2(O,OH,F)6
Ca
(Ce,Ca)(Nb,Ti)2(O,OH)6
Ca
(Nd,Ce,Ca,Th)(Nb,Ti,Fe,Ta)2(O,OH)6
Ca
CaTi(SiO4)O
Ca
◻Ca2Mg5(Si8O22)(OH)2
Ca
(Ca,Ce)(Nb,Ta,Ti)2O6
Ca
◻{CaNa}{Mg4Al}(Si8O22)(OH)2
Ca
ⓘ Strontianite var. Emmonite
(Sr,Ca)CO3
Ca
ⓘ Calcite var. Strontium-rich Calcite
(Ca,Sr)CO3
Ca
ⓘ Dolomite var. Iron-bearing Dolomite
Ca(Mg,Fe)(CO3)2
Ca
(CaCe)(Fe3+AlFe2+)O[Si2O7][SiO4](OH)
Ca
ⓘ Aragonite var. Strontium-bearing Aragonite
(Ca,Sr)CO3
Ca
(Ce6Ca3)◻Al(SiO4)3[SiO3(OH)]4(OH)3
Ca
ⓘ Chevkinite-(Ce) var. Niobochevkinite
(Ce,La,Ca,Th)4Fe2+(Fe2+,Ti,Fe3+)2(Ti,Nb,Fe3+)2[Si2O7]2O8
Ca
ⓘ Unnamed (La-analogue of Daqingshanite-(Ce))
(Sr,Ca,Ba)3(La,Ce,Nd)[PO4][CO3]3
Ca
(Na,Ca)Ba(La,Ce,Sr)2(CO3)4F
Ca
(Ce,La,Ca)(Ti,Fe)SiO5
Ca
CaCe3(Fe3+Al2Fe2+)[Si2O7][SiO4]3O(OH)2
Ti
Ti
Ba4(Ti,Nb,W)8O16(SiO3)4Cl
Ti
Ba3(Nb,Ti)6(Si2O7)2O12
Ti
(Ca,Ce,Na)(Nb,Ta,Ti)2(O,OH,F)6
Ti
Fe2+TiO3
Ti
(Ce,Ca)(Nb,Ti)2(O,OH)6
Ti
(Nd,Ce,Ca,Th)(Nb,Ti,Fe,Ta)2(O,OH)6
Ti
CaTi(SiO4)O
Ti
(Ca,Ce)(Nb,Ta,Ti)2O6
Ti
Ce4(Ti,Fe2+,Fe3+)5O8(Si2O7)2
Ti
ⓘ Chevkinite-(Ce) var. Niobochevkinite
(Ce,La,Ca,Th)4Fe2+(Fe2+,Ti,Fe3+)2(Ti,Nb,Fe3+)2[Si2O7]2O8
Ti
(Ce,La,Ca)(Ti,Fe)SiO5
Fe
Fe
◻Ca2(Mg4.5-2.5Fe0.5-2.5)Si8O22(OH)2
Fe
NaFe3+Si2O6
Fe
(CaCe)(AlAlFe2+)O[Si2O7][SiO4](OH)
Fe
Cu5FeS4
Fe
CuFeS2
Fe
Zn2+Fe23+O4
Fe
Fe2+TiO3
Fe
◻{Na2}{Mg3Fe23+}(Si8O22)(OH)2
Fe
Fe2+Fe23+O4
Fe
(Nd,Ce,Ca,Th)(Nb,Ti,Fe,Ta)2(O,OH)6
Fe
FeS2
Fe
Fe1-xS
Fe
KMg3(Fe3+Si3O10)(OH,F)2
Fe
Ce4(Ti,Fe2+,Fe3+)5O8(Si2O7)2
Fe
ⓘ Dolomite var. Iron-bearing Dolomite
Ca(Mg,Fe)(CO3)2
Fe
(CaCe)(Fe3+AlFe2+)O[Si2O7][SiO4](OH)
Fe
Ce2Fe2+(Si2O7)(CO3)
Fe
ⓘ Chevkinite-(Ce) var. Niobochevkinite
(Ce,La,Ca,Th)4Fe2+(Fe2+,Ti,Fe3+)2(Ti,Nb,Fe3+)2[Si2O7]2O8
Fe
(Ce,La,Ca)(Ti,Fe)SiO5
Fe
CaCe3(Fe3+Al2Fe2+)[Si2O7][SiO4]3O(OH)2
Fe
Ce9Fe3+(SiO4)6[SiO3(OH)](OH)3
Cu
Cu
Cu5FeS4
Cu
CuFeS2
Zn
Zn
Zn2+Fe23+O4
Sr
Sr
CeSr(CO3)2(OH) · H2O
Sr
(Ce,Ca,Sr)CO3(OH,H2O)
Sr
(Ca,Na)(Sr,Ce,Ba)(CO3)2
Sr
(Sr,Ca,Ba)3(Ce,La)(CO3)3-x(PO4)(OH,F)2x
Sr
SrCO3
Sr
LaSr(CO3)2(OH) · H2O
Sr
ⓘ Strontianite var. Emmonite
(Sr,Ca)CO3
Sr
ⓘ Calcite var. Strontium-rich Calcite
(Ca,Sr)CO3
Sr
ⓘ Aragonite var. Strontium-bearing Aragonite
(Ca,Sr)CO3
Sr
ⓘ Unnamed (La-analogue of Daqingshanite-(Ce))
(Sr,Ca,Ba)3(La,Ce,Nd)[PO4][CO3]3
Sr
(Na,Ca)Ba(La,Ce,Sr)2(CO3)4F
Zr
Zr
Zr(SiO4)
Nb
Nb
Ba4(Ti,Nb,W)8O16(SiO3)4Cl
Nb
Ba3(Nb,Ti)6(Si2O7)2O12
Nb
CeNbO4 · 0.3H2O
Nb
NdNbO4
Nb
(Ca,Ce,Na)(Nb,Ta,Ti)2(O,OH,F)6
Nb
(Ce,Ca)(Nb,Ti)2(O,OH)6
Nb
(Nd,Ce,Ca,Th)(Nb,Ti,Fe,Ta)2(O,OH)6
Nb
A2Nb2(O,OH)6Z
Nb
(Ca,Ce)(Nb,Ta,Ti)2O6
Nb
ⓘ Chevkinite-(Ce) var. Niobochevkinite
(Ce,La,Ca,Th)4Fe2+(Fe2+,Ti,Fe3+)2(Ti,Nb,Fe3+)2[Si2O7]2O8
Mo
Mo
MoS2
Ba
Ba
Ba4(Ti,Nb,W)8O16(SiO3)4Cl
Ba
BaSO4
Ba
Ba3(Nb,Ti)6(Si2O7)2O12
Ba
Ba6Ca6Mg(CO3)13
Ba
(Ca,Na)(Sr,Ce,Ba)(CO3)2
Ba
NaBaCe2(CO3)4F
Ba
(Sr,Ca,Ba)3(Ce,La)(CO3)3-x(PO4)(OH,F)2x
Ba
BaCe(CO3)2F
Ba
BaMg(CO3)2
Ba
Ba2Ce(CO3)3F
Ba
ⓘ Unnamed (La-analogue of Daqingshanite-(Ce))
(Sr,Ca,Ba)3(La,Ce,Nd)[PO4][CO3]3
Ba
(Na,Ca)Ba(La,Ce,Sr)2(CO3)4F
La
La
(Sr,Ca,Ba)3(Ce,La)(CO3)3-x(PO4)(OH,F)2x
La
(La,Nd,Ce)(CO3)(OH,F)
La
La(PO4)
La
LaSr(CO3)2(OH) · H2O
La
ⓘ Chevkinite-(Ce) var. Niobochevkinite
(Ce,La,Ca,Th)4Fe2+(Fe2+,Ti,Fe3+)2(Ti,Nb,Fe3+)2[Si2O7]2O8
La
ⓘ Unnamed (La-analogue of Daqingshanite-(Ce))
(Sr,Ca,Ba)3(La,Ce,Nd)[PO4][CO3]3
La
(Na,Ca)Ba(La,Ce,Sr)2(CO3)4F
La
(Ce,La,Ca)(Ti,Fe)SiO5
Ce
Ce
(CaCe)(AlAlFe2+)O[Si2O7][SiO4](OH)
Ce
CeSr(CO3)2(OH) · H2O
Ce
Ce(CO3)F
Ce
(Ce,Ca,Sr)CO3(OH,H2O)
Ce
(Ca,Na)(Sr,Ce,Ba)(CO3)2
Ce
(Ce7Ca2)◻Mg(SiO4)3(SiO3OH)4(OH)3
Ce
NaBaCe2(CO3)4F
Ce
(Sr,Ca,Ba)3(Ce,La)(CO3)3-x(PO4)(OH,F)2x
Ce
CeNbO4 · 0.3H2O
Ce
(Ca,Ce,Na)(Nb,Ta,Ti)2(O,OH,F)6
Ce
BaCe(CO3)2F
Ce
Ce(CO3)(OH)
Ce
(La,Nd,Ce)(CO3)(OH,F)
Ce
Ce(PO4)
Ce
(Ce,Ca)(Nb,Ti)2(O,OH)6
Ce
(Nd,Ce,Ca,Th)(Nb,Ti,Fe,Ta)2(O,OH)6
Ce
Ce2Al(SiO4)2(OH)
Ce
(Ca,Ce)(Nb,Ta,Ti)2O6
Ce
Ce4(Ti,Fe2+,Fe3+)5O8(Si2O7)2
Ce
Ba2Ce(CO3)3F
Ce
(CaCe)(Fe3+AlFe2+)O[Si2O7][SiO4](OH)
Ce
Ce2Fe2+(Si2O7)(CO3)
Ce
(Ce6Ca3)◻Al(SiO4)3[SiO3(OH)]4(OH)3
Ce
ⓘ Chevkinite-(Ce) var. Niobochevkinite
(Ce,La,Ca,Th)4Fe2+(Fe2+,Ti,Fe3+)2(Ti,Nb,Fe3+)2[Si2O7]2O8
Ce
ⓘ Unnamed (La-analogue of Daqingshanite-(Ce))
(Sr,Ca,Ba)3(La,Ce,Nd)[PO4][CO3]3
Ce
(Na,Ca)Ba(La,Ce,Sr)2(CO3)4F
Ce
(Ce,La,Ca)(Ti,Fe)SiO5
Ce
CaCe3(Fe3+Al2Fe2+)[Si2O7][SiO4]3O(OH)2
Ce
Ce9Fe3+(SiO4)6[SiO3(OH)](OH)3
Nd
Nd
NdNbO4
Nd
(La,Nd,Ce)(CO3)(OH,F)
Nd
(Nd,Ce,Ca,Th)(Nb,Ti,Fe,Ta)2(O,OH)6
Nd
ⓘ Unnamed (La-analogue of Daqingshanite-(Ce))
(Sr,Ca,Ba)3(La,Ce,Nd)[PO4][CO3]3
Ta
Ta
(Ca,Ce,Na)(Nb,Ta,Ti)2(O,OH,F)6
Ta
(Nd,Ce,Ca,Th)(Nb,Ti,Fe,Ta)2(O,OH)6
Ta
(Ca,Ce)(Nb,Ta,Ti)2O6
W
W
Ba4(Ti,Nb,W)8O16(SiO3)4Cl
Pb
Pb
PbS
Th
Th
(Nd,Ce,Ca,Th)(Nb,Ti,Fe,Ta)2(O,OH)6
Th
Th(SiO4)
Th
ⓘ Chevkinite-(Ce) var. Niobochevkinite
(Ce,La,Ca,Th)4Fe2+(Fe2+,Ti,Fe3+)2(Ti,Nb,Fe3+)2[Si2O7]2O8