USA, Southern and central Africa, green, blue, China, India, USA, Italy, green, blue, China, India, USA, Italy
Australia, Southern and central Africa, green, brown, Australia, France, green, brown, Australia, France
White, Yellow
Green, Colorless, gray, Yellow, White
Uneven, Uneven, Gemstones of the world (2001) More from other references
Uneven, Yellow, White, UnevenWalter Schumann, Gemstones of the world (2001) More from other references, Brittle, Metallic