MBR47CD2: Isolated twinned (spinel twinning) crystals of bright Sphalerite on a matrix of Quartz crystals with Calcite and Galena.
From a mine where many sphalerites have been seen, this one stands out for its definition, shininess, and the beauty of the accompanying minerals.
Stan Trg (Stari Trg) Mine, Trepča Complex, Trepča Valley, Kosovska Mitrovica, Kosovska Mitrovica District  Kosovo

Specimen size: 8.3 × 7.9 × 4.5 cm = 3.27” × 3.11” × 1.77”

Main crystal size: 2.3 × 2.2 cm = 0.91” × 0.87”