Minerals: C
| Cabriite | Pd2SnCu
|
| Calaverite | AuTe2
|
| Calcite | CaCO3
|
| Calomel | HgCl
|
| Camermanite | (K,Si,F)
|
| Carbocernaite | (Ca,Na)(Sr,Ce,Ba)(CO3)2
|
| Carlsbergite | CrN
|
| Carnallite | KMgCl3.6H2O
|
| Carnotite | K2(UO2)2(VO4)2.2H2O
|
| Carrollite | (Cu,Co,Ni,S)
|
| Cassiterite | SnO2
|
| Cattierite | (Co,S)
|
| Cebaite | Ba3Ce2(CO3)5F2
|
| Celestite | SrSO4
|
| Ceriopyrochlore | (Ce,Ca,Y,Nb,Ta,O,OH,F)
|
| Cerussite | PbCO3
|
| Cesstibtantite | (Cs,Na,Sb,Ta,O)
|
| Chabazite | CaAl2(SiO3)4.6H2O
|
| Chalcanthite | CuSO4.5H2O
|
| Chalcocite | Cu2S
|
| Chalcocostibite | (Cu,Sb,S)
|
| Chalcopyrite | CuFeS2
|
| Changchengite | (Ir,Bi,S)
|
| Chengdeite | Ir3Fe
|
| Chiolite | (Na,Al,F)
|
| Chloanthite | (Ni,As)
|
| Chlorapatite | Ca5(PO4)2Cl
|
| Chlorargyrite | AgCl
|
| Chlorocalcite | (K,Ca,Cl)
|
| Chloromanganokalite | (K,Mn,Cl)
|
| Chloroxiphite | (Pb,Cu,Cl,O,OH)
|
| Chromite | FeCr2O4
|
| Chrysoberyl | BeAl2O4
|
| Chrysotile | Mg3Si2O5(OH)4
|
| Cinnabar | HgS
|
| Citrine | SiO2
|
| Clausthalite | PbSe
|
| Clinoclase | Cu3(AsO4)(OH)3
|
| Clinozoisite | Ca2Al3(SiO4)3(OH)
|
| Cobaltite | (Co,Fe)AsS
|
| Coesite | SiO2
|
| Colemanite | CaB3O4(OH)3.H2O
|
| Coloradoite | (Hg,Te)
|
| Columbite | (Fe,Mn,Mg)(Nb,Ta)2O6
|
| Cordierite | Mg2Al4Si5O18
|
| Cordylite | Ba(Ce,La)2(CO3)3F2
|
| Corundum | Al2O3
|
| Costilbite | (Co,Sb,S)
|
| Cotunnite | (Pb,Cl)
|
| Covellite | CuS
|
| Crerarite | (Pt,Bi,S,Se)
|
| Cristobalite | SiO2
|
| Crocoite | PbCrO4
|
| Cryolite | Na3AlF6
|
| Cryolithionite | (Li,Na,Al,F)
|
| Cryptohalite | (NH4,Si,F)
|
| Cubanite | CuFe2S3
|
| Cumengite | Pb21Cu20Cl42(OH)40
|
| Cupalite | (Cu, Zn)Al
|
| Cuprite | Cu2O
|
| Cylindrite | FePb3Sn4Sb2S14
|