Colorless, Yellow, Brownish, Red, Violet, Blue, gray
Colorless, Reddish, White, pink, Green, Yellow, Violet, White, pink, Green, Yellow, Violet, White, Colorless, Blue, Green, Brown, Yellow, pink, Violet, White, pink, Green, Yellow, Violet
Splintery, Conchoidal, Brittle
Uneven, UnevenArthur Thomas, Gemstones (2009)