Brown, Blue, Green, Yellow, White
Greenish, White, White, gray, Greenish, Reddish, White, gray, Greenish, Green, gray, White, gray, Greenish, Green, gray
Conchoidal, Brittle
Uneven, Uneven, Gems, Sixth Edition (2006), Uneven, Conchoidal
Poor on {110} and {100} very poor on {001}
Perfect on {001}, very good on {010}, imperfect on {110}