Colorless, White, Yellow, White, Greenish, gray, Brown, Colorless, Yellow
Yellow, Greenish, Brownish, Colorless, White, gray, Yellow, Green, Blue, Violet, Blue, Colorless, Green, gray, Yellow, Blue, Colorless, Green, gray, Yellow, orange
Conchoidal, Brittle, Conchoidal
Conchoidal, Brittle, Conchoidal, Brittle, Conchoidal, ConchoidalArthur Thomas, Gemstones (2009), Brittle, Conchoidal
{010} perfect, {110} distinct, {100} in traces
[001] good, [210] distinct
AlO(OH)Walter Schumann , Gemstones of the world (2001) More from other references
PbSO 4Michael OâDonoghue , Gems, Sixth edition (2006) More from other references