Colorless, Green, Yellow, White, Colorless, Green, Yellow, White
Red, Violet, Blue, Colorless, Yellow, White, Red, Blue, Colorless, Yellow, White, Red
Conchoidal, ConchoidalAnthony et al, Handbook of mineralogy (2001), Conchoidal, Brittle
Violet, Conchoidal, Brittle, Conchoidal, Brittle