Pyrite and Siderite on Pyrrhotite matrix from Trepča Mine, Trepča complex, Mitrovica, Mitrovica District, Kosovo. Golden, lustrous pyrite crystals are attractively scattered over a metallic pyrrhotite matrix, accented with warm, chocolate-brown siderite rhombohedra. The contrast between the bright pyrite faces and the darker host gives this piece striking visual depth. The Trepča complex remains one of Europe’s classic localities, and this association beautifully captures its hallmark sulfide assemblage. An elegant, well-balanced cabinet specimen from this historic mining district. This specimen captures the classic paragenesis of the Trepča ore body, combining bright sulfide luster, delicate colour balance, and prime association on a single attractive matrix. A fine collector’s piece from one of Europe’s most mineralogically diverse localities. Specimens from Trepča are sought after for their striking fluorescence, high crystal quality, and historical significance in European mineralogy. This piece stands out as a fine example from a classic locality and is ideal for display, scientific study, or discerning collectors. 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.