Not Available
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
ConchoidalArthur Thomas, Gemstones (2009), ConchoidalArthur Thomas, Gemstones (2009)
Uneven, UnevenArthur Thomas, Gemstones (2009)
Mg 3(Al,Cr) 2(SiO 4) 3Gemdat.org , Management Team (2012)
KCa 4Si 8O 20(F,OH) · 8H 2OUlrich Henn and Claudio C.