Colombia, Brazil, Madagascar
Tanzania, Kenya, Madagascar, Cambodia, Sri Lanka, Burma, Thailand, Vietnam, Australia
White, Colorless, Blue, Red, Green, Yellow, Violet
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
Not Available
Conchoidal, Uneven, ConchoidalArthur Thomas, Gemstones (2009)