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Chalcopyrite: CuFeS2 Quartz: SiO2
Comments: Well-formed crystals of chalcopyrite and quartz. Location: Boldut mine, 61 level (350 meters deep), Cavnic, Maramures, Rumania. Scale: 5.5 x 3.5 cm. © Fabre Minerals
Chalcopyrite: CuFeS2 Moncheite: (Pt,Pd)(Te,Bi)2
Comments: White moncheite with chalcopyrite (orange, blue and violet tarnishing colors) in silicate matrix. Polished section (from microprobe analysis) in reflected light. Location: Lukkulaisvaara ultrabasic Massif, Olanga (Oulanka) River, Oulanka plutonic complex, Karelia Republic, Northern Region, Russia. Scale: Picture size 0.11 mm. © Thomas Witzke / Abraxas-Verlag
Chalcopyrite: CuFeS2 Oulankaite: (Pd,Pt)5(Cu,Fe)4SnTe2S2 Telargpalite: (Pd,Ag)3Te Tulameenite: Pt2FeCu
Comments: Gray long-prismatic crystal of oulankaite with light grayish telargpalite and pale yellowish-white rims of tulameenite in massive yellowish chalcopyrite. Polished section (from microprobe analysis) in reflected light. Location: Lukkulaisvaara ultrabasic Massif, Olanga (Oulanka) River, Oulanka plutonic complex, Karelia Republic, Northern Region, Russia. Scale: Picture size 0.12 mm. © Thomas Witzke / Abraxas-Verlag