C gemstones

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Dendritic limestone gemstone
Dendritic
Limestone
Chalcedony gemstone
Chalcedony
Calcite gemstone
Calcite
Charoïte gemstone
Charoite
Chiastolite gemstone
Chiastolite
Chondrodite gemstone
Chondrodite
Chrysoberyl gemstone
Chrysoberyl
Chrysocolla gemstone
Chrysocolla
Chrysocolle gemstone
Chrysoprase
Chrysotile gemstone
Chrysotile
Cinnabar
Citrine gemstone
Citrine
Clinohumite gemstone
Clinohumite
Clinozoisite gemstone
Clinozoisite
Shell gemstone
Shell
Coral gemstone
Coral
Fossilized coral gemstone
Fossilized
Coral
Carnelian gemstone
Carnelian
Cuprite gemstone
Cuprite