Greenish, White, White, gray, Greenish, Reddish, White, gray, Greenish, Green, gray, White, gray, Greenish, Green, gray
Colorless, Yellow, Brown, Green, Colorless, Green, Yellow, Red, Reddish, Brown
Uneven, Uneven, Gems, Sixth Edition (2006), Uneven, Conchoidal
Brittle, Metallic, Brittle, Metallic
NaAlSi 3O 8Michael OâDonoghue , Gems, Sixth Edition (2006)
Ca(Mg,Al)3(Al3Si)O10(OH)2