Pyrite with Sphalerite and Calcite

Stan Trg (Stan Terg, Stari Trg) Mine, Trepča Complex, Trepča Valley, Kosovska Mitrovica, Kosovska Mitrovica District, Kosovo  Kosovo (2000-2021)

Specimen size: 10.4 × 7.1 × 4.3 cm = 4.09” × 2.80” × 1.69”
Main crystal size: 1.4 × 1.2 cm = 0.55” × 0.47”