Irregular/uneven, UnevenAnthony et al, Handbook of mineralogy (2001), Brittle, Uneven
UnevenAnthony et al, Handbook of mineralogy (2001) More from other references, UnevenAnthony et al, Handbook of mineralogy (2001) More from other references, Brittle, Metallic
Perfect on {110} and {1 1 0}
{100} Good, {010} Good, {001} Good
CaAl 2Si 3O 10 · 3H 2OUlrich Henn and Claudio C.
CoAsSAnthony et al , Handbook of mineralogy (2001)