Red, Blue, Green, Reddish, Brown
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
Lamellar, Splintery
Conchoidal, Conchoidal, Brittle, Gems
TranslucentAnthony et al, Handbook of mineralogy (2001)
Transparent, Translucent, Transparent to translucent