Brown, Yellow, White, Brown, Greenish, Yellow, White
Yellow, Brownish, Reddish, White, Colorless, Blue, Green, Yellow, Green, Yellow, Brownish, Reddish, White, Colorless, Blue, Green, Yellow, Green, Violet, pink, Yellow, Green, Violet, pink
White, gray
White, Green, White, Green
Uneven, Even, Yellow, White
Uneven, Subconchoidal, ConchoidalArthur Thomas, Gemstones (2009), Uneven, Subconchoidal, Brittle, Metallic, Brittle, Metallic
K(Mg,Fe++)3[AlSi3O10(OH,F)2
Zn 2(AsO 4)(OH)Michael OâDonoghue , Gems, Sixth edition (2006)