Black, Colorless, Green, Violet, White, Yellow, White, Colorless, Blue, Red, Green, Yellow, pink, Brown, Colorless, Violet, gray, Yellow
Brown, Red, Green, Blue, Violet
Taurus, Capricorn, Sagittarius, Capricorn, Sagittarius
Not Available
Conchoidal, Conchoidal, Brittle, Gems
Not Available
Transparent, Translucent, Transparent to translucent
Gemmological Tables (2004)