UnevenAnthony et al, Handbook of mineralogy (2001) More from other references, UnevenAnthony et al, Handbook of mineralogy (2001) More from other references, Brittle, Metallic
Splintery, UnevenArthur Thomas, Difficult, Fibrous
CoAsSAnthony et al , Handbook of mineralogy (2001)
NaAlSi 2O 6Ulrich Henn and Claudio C.