C

Cabalzarite


Cacoxenite


Cafarsite


Calcioancylite


Calcioferrite


Calcite


Caledonite


Callaghanite


Campylite (Mimetite)


Canavesite


Cancrinite


Carletonite


Carlhintzeite


Carminite


Carnotite


Carrolite


Cassiterite


Castellaroite


Catapleiite


Cavansite


Celadonite (Smectite Group)


Celestite


Ceruleite


Cerussite


Cervantite


Cetineite


Chabazite


Chabazite-(Na) (formerly called Herschelite)


Chalcanthite


Chalcoalumite


Chalcophanite


Chalcophyllite


Chalcopyrite


Chalcosiderite


Chalcosite


Chamosite


Chayesite


Chenevixite


Childrenite


Chlorite


Chrysocolla


Churchite-(Y)


Cinnaber


Claraite


Claudetite


Cleophane (Sphalerite)


Clinoclase


Clinoptilolite


Clinopyroxene


Clinozoisite


Cobaltaustinite


Cobaltkoritnigite


Cobaltocalcite


Conichalcite


Connellite


Cordierite


Cornetite


Cornubite


Cornwallite


Coronadite


Corundum


Covellite


Cowlesite


Crandallite


Creedite


Chrome-bearing Grossular (Garnet Supergroup)


Cristobalite


Crocoite


Cronstedtite


Cryptomelane


Cumengeite


Cuprite


Cuprian adamite


Cuprosklodowskite


Curite


Cyanotrichite


Cyrilovite