Sphalerite with Calcite

Stan Trg (Stari Trg) Mine, Trepča Complex, Trepča Valley, Kosovska Mitrovica, Kosovska Mitrovica District  Kosovo (2014)

Specimen size: 13.2 × 12.4 × 4.8 cm = 5.20” × 4.88” × 1.89”
Main crystal size: 3.5 × 2.3 cm = 1.38” × 0.91”