Colorless, White, Yellow, Green, White, pink, Green, Yellow, Violet, White, pink, Green, Yellow, Violet
Colorless, Green, Black, Brown, Red, Greenish, Yellow, gray
Uneven, Brittle, Uneven, Brittle, Uneven
Conchoidal, Uneven, Conchoidal, Brittle, ConchoidalArthur Thomas, Gemstones (2009)
(K,Na)Ca4Si8O20(F,OH)•8(H2O)
Ca 3Fe 2(SiO 4) 3Arthur Thomas , Gemstones (2009)