Sphalerite, Pyrite, Pyrrhotite, Chalcopyrite, Boulangerite, Calcite, Quartz and Dolomite - Trepča Complex, Trepča Valley, Kosovo - 9.5 cm
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