Sphalerite with Pyrite and Pyrite after Pyrrhotite

Stan Trg (Stan Terg, Stari Trg) Mine, Trepča Complex, Trepča Valley, Kosovska Mitrovica, Kosovska Mitrovica District  Kosovo (2012)

Specimen size: 9.1 × 7.3 × 7.4 cm = 3.58” × 2.87” × 2.91”
Main crystal size: 4.4 × 3.4 cm = 1.73” × 1.34”