Complete mineralogical data for COPIAPITE. Chemical Formula: Fe2+Fe3+4(SO4)6(OH)2(H2O)10·10H2O. Crystal System: Triclinic. Learn about its geologic occurrence, habit, and identification.

Complete mineralogical data for COPPER. Chemical Formula: Cu. Crystal System: Isometric. Learn about its geologic occurrence, habit, and identification.

Complete mineralogical data for COQUANDITE. Chemical Formula: Sb3+6O8(SO4)·H2O. Crystal System: Triclinic. Learn about its geologic occurrence, habit, and identification.

Complete mineralogical data for COQUIMBITE. Chemical Formula: AlFe3+3(SO4)6(H2O)12·6H2O. Crystal System: Hexagonal-Trigonal. Learn about its geologic occurrence, habit, and identification.

Complete mineralogical data for COHENITE. Chemical Formula: Fe3C. Crystal System: Orthorhombic. Learn about its geologic occurrence, habit, and identification.

Complete mineralogical data for COIRAITE. Chemical Formula: (Pb,Sn2+)12.5Sn4+5Fe2+As3S28. Crystal System: Monoclinic. Learn about its geologic occurrence, habit, and identification.

Complete mineralogical data for Colchesterite. Chemical Formula: Bi2(MoO4)2O. Crystal System: Monoclinic. Learn about its geologic occurrence, habit, and identification.

Complete mineralogical data for COLDWELLITE. Chemical Formula: Pd3Ag2S. Crystal System: Isometric. Learn about its geologic occurrence, habit, and identification.

Complete mineralogical data for COLEMANITE. Chemical Formula: Ca[B3O4(OH)3](H2O). Crystal System: Monoclinic. Learn about its geologic occurrence, habit, and identification.

Complete mineralogical data for COLIMAITE. Chemical Formula: K3VS4. Crystal System: Orthorhombic. Learn about its geologic occurrence, habit, and identification.