Afghanistan, Pakistan, Burma, Brazil, Madagascar, USA, Canada, Russia, Madagascar, Brazil, Canada, Mexico, Madagascar, Brazil, Canada, Mexico
USA, Mexico, Austria, India, Southern and central Africa, Australia, Argentina, Mexico, Spain, Argentina, Mexico, Spain
Taurus
Scorpio, Leo, Scorpio, Leo, Scorpio, Leo
Gemstones of the world (2001), UnevenWalter Schumann, Gemstones of the world (2001)
Uneven, Conchoidal, Conchoidal to uneven, Brittle