Glossar
Cadmium
Carat
Carbonit
Carborundum
Carving
Casting
Cer
Chalcedon
Chalkopyrit
Chrom
Chrysopras
Citrin
Clarity
Cobalt
Coin
Collier
Color
Comfort Fit
Commercial
Commodity
Concentrate
Conductor
Cone
Copper
Coral
Corundum
Cost
Counterfeit
Crimp
Crucible
Crystal
Cubic Zirconia
Cullinan
Cupellation
Cupronickel
Cut
CVD
Cyanid
Cyanidlaugung
CZ