Mexico
Canada, USA, Italy, Russia, Switzerland, Tanzania, Kenya, Sri Lanka
Colorless, Blue, Violet, White, Brown, Colorless, Blue, Violet, White, rose, Brown, gray, Colorless, White, Violet, gray, Colorless, White, Violet, gray
Green, Yellow, Brown, Violet, Blue
Conchoidal, Brittle, Conchoidal, UnevenArthur Thomas, Gemstones (2009), Brittle, Conchoidal
Not Available