Yellow, Greenish, Brownish, Colorless, White, gray, Yellow, Green, Blue, Violet, Blue, Colorless, Green, gray, Yellow, Blue, Colorless, Green, gray, Yellow, orange
Yellow, Brownish, Reddish, Green, Brownish, Yellow, Green, Yellow, Red
Conchoidal, Brittle, Conchoidal, Brittle, Conchoidal, ConchoidalArthur Thomas, Gemstones (2009), Brittle, Conchoidal
Uneven
PbSO 4Michael OâDonoghue , Gems, Sixth edition (2006) More from other references
(Fe+++,Al)25(PO4)17O6(OH)12•75(H2O)