Pyrite with Calcite, Sphalerite and Quartz

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

Specimen size: 9 × 7.4 × 3.4 cm = 3.54” × 2.91” × 1.34”
Main crystal size: 2 × 1.6 cm = 0.79” × 0.63”