Afghanistan, Pakistan, Burma, Brazil, Madagascar, USA, Canada, Russia, Madagascar, Brazil, Canada, Mexico, Madagascar, Brazil, Canada, Mexico
Austria, Zimbabwe, Australia
Colorless, pink
Red, Brown, Violet, Red, Brown
Gemstones of the world (2001), UnevenWalter Schumann, Gemstones of the world (2001)
Uneven, Subconchoidal, Conchoidal, Brittle