Greenish, White, White, gray, Greenish, Reddish, White, gray, Greenish, Green, gray, White, gray, Greenish, Green, gray
White, Pale pink, Colorless, pink, Yellow
Uneven, Uneven, Gems, Sixth Edition (2006), Uneven, Conchoidal
Not Available
NaAlSi 3O 8Michael OâDonoghue , Gems, Sixth Edition (2006)
Mn2+ BO 2(OH)Anthony et al , Handbook of mineralogy (2001)