Mineral: Pyrrhotite, Pyrite, Chalcopyrite, Sphalerite, Boulangerite, Quartz and Calcite
Locality: Trepča Complex, Trepča Valley, Kosovska Mitrovica, Kosovska Mitrovica District, Kosovo
Dimensions: 8.5 cm

Description: This specimen contains pyrrhotite, pyrite, chalcopyrite, sphalerite, boulangerite, quartz and calcite (I can't find any galena or dolomite but they are probably there.)

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