India, Canada, Brazil
Afghanistan, China, Madagascar, Southern and central Africa, Pakistan, Sri Lanka, USA
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
Red, Reddish, orange, Brown
Uneven, UnevenArthur Thomas, Gemstones (2009)
ConchoidalArthur Thomas, Conchoidal, Brittle
KCa 4Si 8O 20(F,OH) · 8H 2OUlrich Henn and Claudio C.
Mn 3Al 2(SiO 4) 3Arthur Thomas , Gemstones (2009)