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Colusite: Cu12-13V(As,Sb,Sn,Ge)3S16 Vinciennite: Cu10Fe4Sn(As,Sb)S16
Comments: Polished section (PPL) of a Fe-rich rim of vinciennite (vinc) on earlier colusite (col). Matrix is bornite (bn). Location: Kidd Creek Volcanogenic Massive Sulfide deposit, Western Abitibi Subprovince, Timmins, Ontario, Canada. Scale: Picture Size 0.5 mm. © National Resouces of Canada
Colusite: Cu12-13V(As,Sb,Sn,Ge)3S16 Arsenosulvanite: Cu3(As,V)S4
Comments: Bronzy, metallic tetragonal crystals of colusite (arsenosulvanite) in white marble. Location: Val Bona quarry, Carrara, Italy. Scale: Picture size 1 cm. © Dave Barthelmy