Uneven, Brittle, Metallic, Brittle, Metallic, Brittle, Metallic
ConchoidalAnthony et al, Handbook of mineralogy (2001), ConchoidalAnthony et al, Handbook of mineralogy (2001), Brittle, Conchoidal
(Na,Fe,Ca)Si 2O 6Ulrich Henn and Claudio C.
SbTaO 4Ulrich Henn and Claudio C.