Blue, Red, Yellow, Colorless, Blue, Colorless, Green, Yellow, White, Blue, Colorless, Green, Yellow, White
White, Colorless, Yellow, Green, Blue, Reddish, Brown, Red, Brown
Uneven, Conchoidal, Brittle, Uneven, ConchoidalAnthony et al, Handbook of mineralogy (2001), Conchoidal, Brittle
Uneven
Poor/indistinct on {1120} and {1011}
{010} Perfect, {210} Perfect, {010} Imperfect