Mineral (6282)
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cossaite
(Mg0.5,☐)Al6(SO4)6(HSO4)F6·36H2O

costibite
CoSbS

coulsonite
Fe^2⁺V^3⁺2O4
◇
cousinite
MgU2Mo2O11 * 6H2O
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coutinhoite
Th_{x}Ba_(1-2x)(UO2)2Si5O13 * (H2O)1+y

cranswickit
Mg(SO4)·4H2O

crawfordite
Na3Sr(CO3)(PO4)

creaseyite
Cu2Pb2Fe^3⁺2Si5O17·6H2O

crednerite
CuMnO2
◇
crerarite
Pt2-x(Bi,Pb)11(S,Se)11

crichtonite
Sr(Mn,Y,U)Fe2(Ti,Fe,Cr,V)18(O,OH)38

criddleite
◇
crimsonite
PbFe^3⁺2(PO4)2(OH)2
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crocobelonite
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cronusite
Ca0.2CrS2 * 2 H2O
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crowningshieldite
(Ni0.9Fe0.10)S
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kriobostryksit
KZnCl3·2H2O

cryolithionite
Na3Al2(LiF4)3
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cryptochalcite
K2Cu5O(SO4)5

cryptohalite
(NH4)2SiF6

kriptofillit
K2Ca[Si4O10]·5H2O

cualstibite
Cu2Al(OH)6[Sb5+(OH)6]
◇
cuatrocapaite-(K)
K3(NaMg☐)(As2O3)6Cl6·16H2O
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cuatrocapaite-(NH4)
(NH4)3(NaMg☐)(As2O3)6Cl6·16H2O
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cubo-ice
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cuboargyrite
AgSbS2
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cubothioplumbite
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cuproauride
Cu3Au

cuprobismutite
Cu8AgBi13S24
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cuprocherokeeit
[Pb8Zn3Cu2+(OH)16](SO4)4·4H2O

cuprocopiapite
CuFe4(SO4)6(OH)2 * 20H2O
◇
cuprodobrovolskyit
Na4Cu(SO4)3
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cuprodongchuanite
Pb4CuZn2(PO4)4(OH)2

cuproiridsite
Cu(Ir^3⁺Ir^4⁺)S4
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cuprokalininite
Cu(Cr^3⁺Cr^4⁺)S4
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cupromakopavonit
Cu8Pb4Ag3Bi19S38
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cupromakovickyite
Cu4AgPb2Bi9S18

kupromolibdit
Cu^2⁺3O(Mo^6⁺O4)2
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cuproneyit
Cu7Pb27Bi25S68
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cupropavonite
Cu0.9Ag0.5Pb0.6Bi2.5S5
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cupropearceit
[Cu6As2S7][Ag9CuS4]

cupropolybasit
[Cu6Sb2S7][Ag9CuS4]

cuprorhodsite
(Cu1+0.5Fe^3⁺0.5)Rh^3⁺2S4

cuprorivaite
CaCuSi4O10
◇
cuprosenandorite
Ag16Cu8Pb24Sb72S144

cuprotungstite
Cu2(WO4)(OH)2
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cuprozheshengit
Pb4CuZn2(AsO4)2(PO4)2(OH)2

curetonite
Ba(Al,Ti)(PO4)(OH,O)F

curienite
Pb(UO2)2(VO4)2·5H2O

currierite
Na4Ca3MgAl4(AsO3OH)12·9H2O
◇
cuyaite

cuzticite
Fe^3⁺2(TeO6)·3H2O
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cyanochroite
K2Cu(SO4)2 * 6H2O
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czochralskiite
Na4Ca3Mg(PO4)4
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d'ansite
Na21Mg(SO4)10Cl3
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d'ansite-(Fe)
Na21Fe^2⁺(SO4)10Cl3
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d'ansite-(Mn)
Na21Mn^2⁺(SO4)10Cl3
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dachiardite-Ca
Ca2(Si20Al4)O48·13H2O

dachiardite-Na
Na4(Si20Al4)O48·13H2O

dacostaite
K(Mg2Al)[Mg(H2O)6]2(AsO4)2F6·2H2O