Sphalerite with Calcite and Dolomite

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

Specimen size: 13.9 × 11.3 × 3.8 cm = 5.47” × 4.45” × 1.50”
Main crystal size: 4 × 3.6 cm = 1.57” × 1.42”