Brittle, Metallic, Brittle, Metallic
UnevenAnthony et al, Handbook of mineralogy (2001) More from other references, UnevenAnthony et al, Handbook of mineralogy (2001) More from other references, Brittle, Metallic
Ca(Mg,Al)3(Al3Si)O10(OH)2
CoAsSAnthony et al , Handbook of mineralogy (2001)