Sphalerite with Calcite, Pyrite and Rhodochrosite

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

Specimen size: 11.9 × 6.9 × 5.3 cm = 4.69” × 2.72” × 2.09”
Main crystal size: 2.2 × 2.2 cm = 0.87” × 0.87”