Not Available
Tanzania, Kenya, Madagascar, Cambodia, Sri Lanka, Burma, Thailand, Vietnam, Australia
Red, Violet, Blue, Colorless, Yellow, White, Red, Blue, Colorless, Yellow, White, Red
Blue, Green, Yellow, Brown, White, Colorless, Blue, Red, Green, Yellow, pink, Yellow, Red, Brown, Green, Blue, Reddish, gray
Not Available
Sagittarius, Virgo, Sagittarius, Virgo, Sagittarius, Virgo
Violet, Conchoidal, Brittle, Conchoidal, Brittle
Conchoidal, Uneven, ConchoidalArthur Thomas, Gemstones (2009)