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