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