Pyrite after Pyrrhotite with Galena, Arsenopyrite, Sphalerite and Chalcopyrite

Stan Trg (Stari Trg) Mine, Trepča Complex, Trepča Valley, Kosovska Mitrovica, Kosovska Mitrovica District  Kosovo (2000-2020)

Specimen size: 8.8 × 6.8 × 2.4 cm = 3.46” × 2.68” × 0.94”
Main crystal size: 2 × 1.7 cm = 0.79” × 0.67”