Greenish, White, White, gray, Greenish, Reddish, White, gray, Greenish, Green, gray, White, gray, Greenish, Green, gray
Colorless, White, Brownish, Reddish, Black, Brownish, Black, Colorless, gray, White, Reddish, Brown
Uneven, Uneven, Gems, Sixth Edition (2006), Uneven, Conchoidal
Uneven
NaAlSi 3O 8Michael OâDonoghue , Gems, Sixth Edition (2006)
Na 3AlF 6Ulrich Henn and Claudio C.