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, Red, Blue, Yellow, Red, orange
Uneven, UnevenArthur Thomas, Gemstones (2009)
Uneven, Splintery, Conchoidal, Uneven, Splintery, Conchoidal, UnevenWalter Schumann, Gemstones of the world (2001)
KCa 4Si 8O 20(F,OH) · 8H 2OUlrich Henn and Claudio C.
SiO 2Arthur Thomas , Gemstones (2009)
Vitreous, Pearly
Waxy, Vitreous, Greasy, Silky