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