Cryolite

Cryolite

Crocoite

Crocoite

Creedite

Creedite

Covellite

Covellite

Cookeite

Cookeite

Clinohumite

Clinohumite

Clear Quartz

Clear Quartz

Citrine

Citrine

Cinnabar

Cinnabar

Chrysoprase

Chrysoprase