Yellow, Greenish, Brownish, Colorless, White, gray, Yellow, Green, Blue, Violet, Blue, Colorless, Green, gray, Yellow, Blue, Colorless, Green, gray, Yellow, orange
Black, Blue, Yellow, Green
Conchoidal, Brittle, Conchoidal, Brittle, Conchoidal, ConchoidalArthur Thomas, Gemstones (2009), Brittle, Conchoidal
Uneven, Splintery, Brittle
[001] good, [210] distinct
Perfect on {110}, intersecting at 56° and 124°; partings on {100} and {010}