Brittle, Metallic, Brittle, Metallic
UnevenAnthony et al, Handbook of mineralogy (2001), UnevenAnthony et al, Handbook of mineralogy (2001), Brittle, Conchoidal
CaZnSiO 4 · H 2OAnthony et al , Handbook of mineralogy (2001)
CaMoO 4Michael OâDonoghue , Gems, Sixth Edition (2006)