Black, Brownish, Reddish, Brown, Red, Yellow, White, Colorless, Brown, Brownish, Black, Colorless, Green, gray
White, Colorless, Blue, Red, Green, Yellow, Violet
White, Brownish, Brownish, White
Not Available
Subconchoidal, Uneven, ConchoidalArthur Thomas, Gemstones (2009), Irregular
Not Available