White, Colorless, Blue, Red, Green, Yellow, Violet
Reddish, Greenish, White, Red, Yellow, Green, Grey, Blue, Brown, Colorless, White, gray, Reddish, orange
Not Available
Virgo, Capricorn, Virgo, Capricorn, Virgo, Capricorn
Not Available
Subconchoidal, ConchoidalArthur Thomas, Gemstones (2009), Conchoidal, Brittle