India, Canada, Brazil
Southern and central Africa, violet, blue, violet, blue
Colorless, Reddish, White, pink, Green, Yellow, Violet, White, pink, Green, Yellow, Violet, White, Colorless, Blue, Green, Brown, Yellow, pink, Violet, White, pink, Green, Yellow, Violet
Blue, Violet, Brown, White, Blue, Brown, Violet, Greenish, pink
Not Available
Leo, Sagittarius, Leo, Sagittarius, Leo, Sagittarius
Uneven, UnevenArthur Thomas, Gemstones (2009)
Fibrous, ConchoidalWalter Schumann, Gemstones of the world (2001) More from other references