Colorless, White, Yellow, Grey, Colorless, gray, White, Yellow
White, Red, Green, Blue, Brown, Yellow, Brown, Black, pink, Blue, Green, Yellow, Brown, Yellow, Brown, orange
Conchoidal, Conchoidal, Brittle
ConchoidalArthur Thomas, Gemstones (2009), Conchoidal, Brittle, ConchoidalArthur Thomas, Gemstones (2009), Conchoidal, Brittle