India, Canada, Brazil
USA, Madagascar, India, Sri Lanka, Burma, Australia, Italy, Brazil
Colorless, Reddish, White, pink, Green, Yellow, Violet, White, pink, Green, Yellow, Violet, White, Colorless, Blue, Green, Brown, Yellow, pink, Violet, White, pink, Green, Yellow, Violet
Blue, Green, Brownish, Greenish, Colorless, gray
KCa 4Si 8O 20(F,OH) · 8H 2OUlrich Henn and Claudio C.
Al 2SiO 5Michael OâDonoghue , Gems, Sixth Edition (2006)