Australia, Mexico
Italy, India, USA, Canada
Yellow, Greenish, Brownish, Colorless, White, gray, Yellow, Green, Blue, Violet, Blue, Colorless, Green, gray, Yellow, Blue, Colorless, Green, gray, Yellow, orange
White, Colorless, Green, Yellow, Brown, Brown, Colorless, Yellow, White, Green
Conchoidal, Brittle, Conchoidal, Brittle, Conchoidal, ConchoidalArthur Thomas, Gemstones (2009), Brittle, Conchoidal
Brittle, Uneven, Brittle, Uneven
PbSO 4Michael OâDonoghue , Gems, Sixth edition (2006) More from other references
NaCa16Si23AlO60(OH)8•64(H2O)