Colorless, White, Yellow, Colorless, Yellow, pink
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
Irregular/uneven, Brittle, Metallic
Uneven, UnevenArthur Thomas, Gemstones (2009)
Ca6(Al,Si)2(SO4)2B(OH)4(OH,O)12•26(H2O)
KCa 4Si 8O 20(F,OH) · 8H 2OUlrich Henn and Claudio C.