Reddish, Greenish, White, Red, Yellow, Green, Grey, Blue, Brown, Colorless, White, gray, Reddish, orange
Colorless, White, Blue, Yellow, Grey, Brown, Colorless, White, Blue, Yellow, Grey, Brown
Virgo, Capricorn, Virgo, Capricorn, Virgo, Capricorn
Not Available
Subconchoidal, ConchoidalArthur Thomas, Gemstones (2009), Conchoidal, Brittle
Irregular/uneven
Distinct on {010}, imperfect {110} and {011}
Perfect cleavage parallel to base and prism faces: {001} Perfect, {210} Perfect, {010} Imperfect