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
Green, Black, Brown
Uneven, UnevenArthur Thomas, Gemstones (2009)
Splintery, Brittle, Uneven
KCa 4Si 8O 20(F,OH) · 8H 2OUlrich Henn and Claudio C.
NaCa 2(Mg 4Al)Si 6Al 2O 22(OH) 2Michael OâDonoghue , Gems, Sixth Edition (2006)