Red, Violet, Blue, Colorless, Yellow, White, Red, Blue, Colorless, Yellow, White, Red
White, Colorless, Blue, Red, Green, Yellow, Violet
Violet, Conchoidal, Brittle, Conchoidal, Brittle
ConchoidalArthur Thomas, Gemstones (2009), ConchoidalArthur Thomas, Gemstones (2009), ConchoidalArthur Thomas, Gemstones (2009)