Yellow, Brownish, Reddish, White, Colorless, Blue, Green, Yellow, Green, Yellow, Brownish, Reddish, White, Colorless, Blue, Green, Yellow, Green, Violet, pink, Yellow, Green, Violet, pink
Green, Green, Yellow, Brown, White, gray, Black
White, Green, White, Green
Not Available
Uneven, Subconchoidal, ConchoidalArthur Thomas, Gemstones (2009), Uneven, Subconchoidal, Brittle, Metallic, Brittle, Metallic
Splintery, Granular, Splintery, Granular, Gemstones (2009)
Zn 2(AsO 4)(OH)Michael OâDonoghue , Gems, Sixth edition (2006)
Ca 2(Mg,Fe) 5(OH) 2Walter Schumann , Gemstones of the world (2001) More from other references