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
Brown, Reddish, Black, Brownish
Uneven, UnevenArthur Thomas, Gemstones (2009)
Gems, Conchoidal, Brittle
KCa 4Si 8O 20(F,OH) · 8H 2OUlrich Henn and Claudio C.
Ca 3Ti4+2(Fe3+2Si)O 12Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references