Fluorescent Calcite crystals on Quartz intergrown with Pyrite from Trepča Mine, Trepča complex, Mitrovica, Mitrovica District, Kosovo. An eye-catching cluster of fluorescent calcite crystals sits beautifully atop lustrous quartz, intricately intergrown with golden pyrite, from the world-renowned Trepča Mine in Kosovo. Under UV light, the calcite crystals emit a vivid fluorescence, contrasting elegantly with the sparkling quartz and metallic pyrite matrix. 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.