Fluorescent Calcite crystals on Pyrrhotite and Galena matrix from Trepča Mine, Trepča complex, Mitrovica, Mitrovica District, Kosovo. Exceptional specimen featuring fluorescent calcite crystals artfully perched on a matrix of pyrrhotite and galena, sourced from the renowned Trepča Mine, Trepča complex, Mitrovica, Kosovo. Under UV light, the calcite glows with a vivid fluorescence, contrasting beautifully against the metallic luster of pyrrhotite and the classic silvery tones of galena. The Trepča Mine is celebrated as one of Europe’s premier mineral localities, renowned for the diversity and beauty of its sulfide minerals. This specimen captures both the visual allure and the rich mining heritage of the region, making it a coveted addition for collectors seeking classic Balkan minerals or a distinctive display piece from Kosovo’s mineralogical crown jewel.