White, Colorless, Greenish, White, Colorless, gray, pink, Greenish, White, Greenish, Reddish
Colorless, White, Yellow, Green, White, pink, Green, Yellow, Violet, White, pink, Green, Yellow, Violet
Uneven, Subconchoidal, Uneven, Subconchoidal, Conchoidal, Brittle
Uneven, Brittle, Uneven, Brittle, Uneven
NaAlSi 2O 6 · H 2OMichael OâDonoghue , Gems, Sixth edition (2006) More from other references
(K,Na)Ca4Si8O20(F,OH)•8(H2O)