Pyrite with Calcite and Dolomite

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

Specimen size: 6.4 × 5.5 × 5 cm = 2.52” × 2.17” × 1.97”
Main crystal size: 1.9 × 1.5 cm = 0.75” × 0.59”