Yellow, Greenish, Brownish, Colorless, White, gray, Yellow, Green, Blue, Violet, Blue, Colorless, Green, gray, Yellow, Blue, Colorless, Green, gray, Yellow, orange
Colorless, Yellow, Brown, Green, Colorless, Green, Yellow, Red, Reddish, Brown
Conchoidal, Brittle, Conchoidal, Brittle, Conchoidal, ConchoidalArthur Thomas, Gemstones (2009), Brittle, Conchoidal
Brittle, Metallic, Brittle, Metallic
PbSO 4Michael OâDonoghue , Gems, Sixth edition (2006) More from other references
Ca(Mg,Al)3(Al3Si)O10(OH)2