White, Blue, Yellow, Brown, Green, Brownish, Greenish, gray
White, Green, Blue, Yellow, Brownish, Red, Blue, gray, Yellow, White
Al 2Si 4O 10(OH) 2Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references
Mg(OH) 2Michael OâDonoghue , Gems, Sixth Edition (2006)