Cubanite, Chalcopyrite
Gåsgruvan ore field, Persberg ore district, Filipstad, Värmland County, Sweden
Cubanite crystals in chalcopyrite. Polished section, reflected light, open nicols. Size picture 1 mm. Nikon Optiphot-Pol, Nikon D200. Collection and photo Kjell Gatedal.
© Kjell Gatedal Filipstad