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
Reddish, White, Violet, gray, Black, Reddish, White, Violet, gray, Black
Uneven, UnevenArthur Thomas, Gemstones (2009)
UnevenAnthony et al, Handbook of mineralogy (2001) More from other references, UnevenAnthony et al, Handbook of mineralogy (2001) More from other references, Brittle, Metallic
KCa 4Si 8O 20(F,OH) · 8H 2OUlrich Henn and Claudio C.
CoAsSAnthony et al , Handbook of mineralogy (2001)