Black, Brownish, Reddish, Brown, Red, Yellow, White, Colorless, Brown, Brownish, Black, Colorless, Green, gray
Red, Violet, Blue, Colorless, Yellow, White, Red, Blue, Colorless, Yellow, White, Red
White, Brownish, Brownish, White
White
Subconchoidal, Uneven, ConchoidalArthur Thomas, Gemstones (2009), Irregular
Violet, Conchoidal, Brittle, Conchoidal, Brittle