Uneven, Uneven, ConchoidalAnthony et al, Handbook of mineralogy (2001), Brittle, Conchoidal
Uneven, Uneven, ConchoidalAnthony et al, Handbook of mineralogy (2001), Brittle, Conchoidal
Distinct on {100} and {110}
{100} Perfect, {110} Good, {011} Distinct
3NaAlSi 3O 8 · NaClAnthony et al , Handbook of mineralogy (2001)
LiAl(PO 4)(OH,F)Walter Schumann , Gemstones of the world (2001) More from other references