Pyrite with Calcite

Stan Trg (Stari Trg) Mine, Trepča Complex, Trepča Valley, Kosovska Mitrovica, Kosovska Mitrovica District  Kosovo (2016)

Specimen size: 13.8 × 8.2 × 7.2 cm = 5.43” × 3.23” × 2.83”