Black, Colorless, Green, Violet, White, Yellow, White, Colorless, Blue, Red, Green, Yellow, pink, Brown, Colorless, Violet, gray, Yellow
Red, Blue, Green, Reddish, Brown
Taurus, Capricorn, Sagittarius, Capricorn, Sagittarius
Not Available
Conchoidal, Conchoidal, Brittle, Gems
Lamellar, Splintery
Transparent, Translucent, Transparent to translucent
TranslucentAnthony et al, Handbook of mineralogy (2001)