ConchoidalAnthony et al, Handbook of mineralogy (2001), ConchoidalAnthony et al, Handbook of mineralogy (2001), Conchoidal, Brittle
Irregular/uneven, UnevenArthur Thomas, Gemstones (2009)
Al 2(Cl 2O 12) · 18H 2OUlrich Henn and Claudio C.
CaAl 2Si 4O 12 -6H 2OArthur Thomas , Gemstones (2009)