Yellow, Greenish, Brownish, Colorless, White, gray, Yellow, Green, Blue, Violet, Blue, Colorless, Green, gray, Yellow, Blue, Colorless, Green, gray, Yellow, orange
Colorless, White, Colorless, Greenish, Brown, White, Colorless, Greenish, Brown, White, Colorless, Greenish, Brown
Conchoidal, Brittle, Conchoidal, Brittle, Conchoidal, ConchoidalArthur Thomas, Gemstones (2009), Brittle, Conchoidal
Conchoidal, Splintery, Fibrous, UnevenArthur Thomas, Gemstones (2009)
[001] good, [210] distinct
Perfect on {010}, distinct on {100}
PbSO 4Michael OâDonoghue , Gems, Sixth edition (2006) More from other references
CaSO 4 -2(H 2O)Arthur Thomas , Gemstones (2009)
Adamantine
Vitreous, Silky, Pearly, Waxy