Bournonite with Pyrite, Sphalerite and Calcite

Stan Trg (Stan Terg, Stari Trg) Mine, Trepča Complex, Trepča Valley, Kosovska Mitrovica, Kosovska Mitrovica District, Kosovo  Kosovo (03/2020)

Specimen size: 11.2 × 9.1 × 7.7 cm = 4.41” × 3.58” × 3.03”
Main crystal size: 2.5 × 2.3 cm = 0.98” × 0.91”