White, Colorless, Greenish, White, Colorless, gray, pink, Greenish, White, Greenish, Reddish
White, Green, Blue, Yellow, Brownish, Red, Blue, gray, Yellow, White
Uneven, Subconchoidal, Uneven, Subconchoidal, Conchoidal, Brittle
Irregular
NaAlSi 2O 6 · H 2OMichael OâDonoghue , Gems, Sixth edition (2006) More from other references
Mg(OH) 2Michael OâDonoghue , Gems, Sixth Edition (2006)