Black, Green, Brown, Red, Greenish, Yellow, Brown, Green, Yellow, orange
White, Colorless, Blue, Red, Green, Yellow, Violet
Yellow, Green, Greenish, Yellow
Not Available
Brittle, Metallic, Brittle, Metallic
ConchoidalArthur Thomas, Gemstones (2009), ConchoidalArthur Thomas, Gemstones (2009)