Greenish, White, White, gray, Greenish, Reddish, White, gray, Greenish, Green, gray, White, gray, Greenish, Green, gray
Brown, Yellow, White, Brown, Greenish, Yellow, White
Uneven, Uneven, Gems, Sixth Edition (2006), Uneven, Conchoidal
Uneven, Even, Yellow, White
NaAlSi 3O 8Michael OâDonoghue , Gems, Sixth Edition (2006)
K(Mg,Fe++)3[AlSi3O10(OH,F)2