UnevenAnthony et al, Handbook of mineralogy (2001) More from other references, UnevenAnthony et al, Handbook of mineralogy (2001) More from other references, Brittle, Metallic
Conchoidal, Conchoidal, Handbook of mineralogy (2001)
CoAsSAnthony et al , Handbook of mineralogy (2001)
(Mg,Fe2+ ) 3Si 2O 5(OH) 4Anthony et al , Handbook of mineralogy (2001)