India, Canada, Brazil
Guatemala, Russia, Columbia, Canada, Italy
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, Red, Brown, Green, gray
Uneven, UnevenArthur Thomas, Gemstones (2009)
Splintery, UnevenArthur Thomas, Difficult, Fibrous
KCa 4Si 8O 20(F,OH) · 8H 2OUlrich Henn and Claudio C.
NaAlSi 2O 6Ulrich Henn and Claudio C.