Grey, Brown, Green, Colorless, White
Black, Colorless, Green, Violet, White, Yellow, White, Colorless, Blue, Red, Green, Yellow, pink, Brown, Colorless, Violet, gray, Yellow
Not Available
Taurus, Capricorn, Sagittarius, Capricorn, Sagittarius
UnevenArthur Thomas, Gemstones (2009), UnevenArthur Thomas, Gemstones (2009)
Conchoidal, Conchoidal, Brittle, Gems