商品の詳細

Up for auction is a beautiful, highly dense polymetallic cabinet specimen from the famous Madan Ore Field in Bulgaria. Weighing 11.6 ounces (329 grams), this piece features a classic base-metal profile combined with stunning ultraviolet reactivity. **Daylight Appearance:** This specimen is characterized by a heavy, rich concentration of metallic, lead-gray Galena across its primary face, accented by subtle grains of brassy Pyrite and Chalcopyrite. Tucked within a localized pocket on the matrix is a distinct cluster of delicate, steel-gray acicular needles of the rare sulfosalt, Boulangerite. **UV Appearance (Special Feature):** When exposed to ultraviolet light, the underlying matrix undergoes a spectacular shift. The manganese-enriched Calcite matrix reacts with an incredibly intense, vibrant **Neon Pink / Magenta** fluorescence. The visual contrast between the glowing pink backdrop and the sharp, non-reactive metallic Galena blocks is excellent. **Display Geometry:** This piece st