Afghanistan, Pakistan, Burma, Brazil, Madagascar, USA, Canada, Russia, Madagascar, Brazil, Canada, Mexico, Madagascar, Brazil, Canada, Mexico
Russia, Canada, Australia, India, Brazil, Color: colorless, light yellow, brownish. Very rare varieties: red, Not Available, Not Available, yellow. Hardness: 10, Refractive index: 2.42, Density: 3.52, Chemical composition: C, Crystal structure: cubic, Origins: Southern and central Africa, Russia, Canada, Australia, India, Brazil.