most crystals are translucent
Rutilated Quartz is a silicon dioxide mineral with unique needle to like inclusions of Rutile
a form of silica with a cryptocrystalline structure that incorporates Moganite along with the Quartz
and has been discovered with artifacts from cultures of the Neolithic Period
Hemimorphite is a favorite collector gem because it occurs in a range of spectacular colors
Chrysocolla 4mm Microfaceted Round - 15-16 Inch R0187 most crystals are translucentChrysocolla, a hydrous copper silicate, is often mistaken for turquoise due to its rich blues and blue to greens. It often also occurs with colors of rust, copper, black, white and reddish brown in speckles, veins and brecciated patterns. It is a very soft stone typically found near copper deposits. Chrysocolla was first described by Theosphrastus, a Greek philosopher and botanist who also named the stone, in 315 BCE.