Crystal Directory A-Z
C
- Cacoxenite
- Cairngorm
- Calcite
- Caledonite
- Calligraphy Jasper
- Canary Diamond
- Canary Tourmaline
- Cape May Diamond
- Carnelian
- Carnelian Agate
- Cascading Quartz
- Cassiterite
- Cat's Eye
- Cat's Eye Aquamarine
- Cat's Eye Emerald
- Cat's Eye Moonstone
- Cat's Eye Quartz
- Cat's Eye Tourmaline
- Cavansite
- Celestite
- Ceylon Sapphire
- Chalcanthite
- Chalcedony
- Chalcocite
- Chalcopyrite
- Charoite
- Cherry Opal
- Cherry Quartz
- Chevron Amethyst
- Chiastolite
- Chiavennite
- Chlorite
- Chloromelanite
- Chondrodite
- Chrome Chalcedony
- Chrome Diopside
- Chrome Tourmaline
- Chromite
- Chrysanthemum Stone
- Chrysoberyl
- Chrysocolla
- Chrysomelanite
- Chrysopal
- Chrysoprase
- Cinnabar
- Citrine
- Clear Quartz
- Clinochlore
- Clinohumite
- Clinoptilolite
- Clinozoisite
- Colombian Emerald
- Color Change Garnet
- Columbite
- Condor Agate
- Confetti Sunstone
- Conichalcite
- Copal
- Coral
- Cornflower Blue Sapphire
- Corundum
- Crazy Lace Agate
- Creedite
- Cristobalite
- Crocidolite
- Crocoite
- Cryolite
- Cultured Pearl
- Cuprite