Greenish, White, White, gray, Greenish, Reddish, White, gray, Greenish, Green, gray, White, gray, Greenish, Green, gray
White, Green, Blue, Yellow, Brownish, Red, Blue, gray, Yellow, White
Uneven, Uneven, Gems, Sixth Edition (2006), Uneven, Conchoidal
Irregular
NaAlSi 3O 8Michael OâDonoghue , Gems, Sixth Edition (2006)
Mg(OH) 2Michael OâDonoghue , Gems, Sixth Edition (2006)