Each of these Rock Crystal Prisms is formed from semi-precious stone found in nature. Rock crystal or quartz is found in the earths crust and is a clear or colorless natural material with random opaque inclusions that make each of our rock crystal prisms truly unique and one-of-a-kind. For use on fine crystal chandeliers, each of these rock crystal prisms is skillfully cut and polished by hand, drilled for pinning and certified as to quality. Our offering in rock crystal includes many classic shapes including rock crystal pendalogues, rock crystal balls, rock crystal bobeches, and rock crystal almonds.