Greenish, White, White, gray, Greenish, Reddish, White, gray, Greenish, Green, gray, White, gray, Greenish, Green, gray
Colorless, White, gray, Brownish, Greenish
Uneven, Uneven, Gems, Sixth Edition (2006), Uneven, Conchoidal
Micaceous, Brittle
NaAlSi 3O 8Michael OâDonoghue , Gems, Sixth Edition (2006)
KAl 2AlSi 3O 10(OH) 2Walter Schumann , Gemstones of the world (2001) More from other references