Mineral: Sphalerite, Pyrite, Pyrrhotite, Chalcopyrite, Boulangerite, Calcite, Quartz and Dolomite
Locality: Trepča Complex, Trepča Valley, Kosovska Mitrovica, Kosovska Mitrovica District, Kosovo
Dimensions: 9.5 cm
Description: this "bird nest" specimen contains sphalerite, pyrite, pyrrhotite, chalcopyrite, boulangerite, calcite, quartz and dolomite. this specimen was $40
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