TLM66AP3: Twinned Sphalerite crystals with very sharp crystal forms, on matrix, with groups of deformed Pyrite crystals and coatings of very flattened rhombohedral white crystals of Calcite, between transparent and translucent. Also associated with small rosettes of Rhodochrosite. The specimen comes from Ferat Voca, a former worker in this classic mine.
Stan Trg (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”