Fluorescent Manganoan Calcite (UV) on Sphalerite with Arsenopyrite and Siderite from Trepča Stari Trg Mine, Mitrovica District. An exquisite specimen from the world-renowned Trepča Stari Trg Mine in Kosovo’s Trepča complex, featuring vibrant fluorescent Mangano calcite crystals that glow beautifully under UV light atop lustrous sphalerite crystals. Interspersed are distinctive clusters of arsenopyrite and the earthy tones of siderite, forming a classic multi-mineral association. The Trepča Stari Trg is celebrated internationally for its abundant and diverse mineralization, especially fine crystal growths of lead-zinc skarn style, and is considered one of Europe’s most famous localities for display-quality minerals. This visually striking combination of minerals captures both the complexity and geological richness of the district, offering both aesthetic beauty and scientific value. Ideal for the advanced collector seeking a piece with superb provenance and dramatic UV fluorescence.