Blue, Yellow, Brown, gray, Reddish, Greenish
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
(e.g. graphite).
Conchoidal, Conchoidal, Brittle, Gems