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
White, Reddish, Green, Brown
Uneven, UnevenArthur Thomas, Gemstones (2009)
Gemstones (2009), UnevenArthur Thomas, Gemstones (2009)
KCa 4Si 8O 20(F,OH) · 8H 2OUlrich Henn and Claudio C.
BaSO 4Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references