Colorless, Blue, Violet, White, Brown, Colorless, Blue, Violet, White, rose, Brown, gray, Colorless, White, Violet, gray, Colorless, White, Violet, gray
Yellow, Brownish, Reddish, White, Colorless, Blue, Green, Yellow, Green, Yellow, Brownish, Reddish, White, Colorless, Blue, Green, Yellow, Green, Violet, pink, Yellow, Green, Violet, pink
Conchoidal, Brittle, Conchoidal, UnevenArthur Thomas, Gemstones (2009), Brittle, Conchoidal
Uneven, Subconchoidal, ConchoidalArthur Thomas, Gemstones (2009), Uneven, Subconchoidal, Brittle, Metallic, Brittle, Metallic
CaSO 4Michael OâDonoghue , Gems, Sixth edition (2006) More from other references
Zn 2(AsO 4)(OH)Michael OâDonoghue , Gems, Sixth edition (2006)