Chalcedony - Clinoferrisilite

Chalcedony

Chalcoalumite

Chalcophanite

Chalcophyllite

Chalcopyrite

Chalcosiderite

Chalcosiderite-turquoise series

Chalcosite

Chalcotrichite (Cuprite)

Challacolloite

Chambersite

Chamosite

Chayesite

Chemigite

Chenevixite

Chernovite-(Ce)

Chevkinite-(Ce)

Chiappinoite-(Y)

Chiavennite

Childrenite

Chlorargyrite

Chlorite

Chloroxiphite

Chondrodite

Chromium-bearing Clinochlore

Chromium-bearing Grossular (Garnet)

Chrysocolla

Churchite-(Y)

Cinnabarite

Claraite

Claudetite

Cleophane (Sphalerite)

Clinoatacamite

Clinobisvanite

Clinochlore

Clinoclase

Clinoferrosilite