Fluorescent Calcite with Sphalerite, Siderite & Quartz from Trepca Mine Complex, Mitrovica, Kosovo

This is a beautiful, natural crystal cluster with highly fluorescent calcite, sphalerite, siderite, and quartz. From the famous Trepça Mine complex in the Trepça Valley in Kosovo.

Size: 73 x 48 x 40 mm. 144 grams.

This piece glows beautiful mangano calcite red-orange under long wave ultraviolet light with a wavelength of 365 nanometers.

PLEASE NOTE: A 390 nm light or a black light will not make this rock glow. A 365 nm long wave ultraviolet light was used in the fluorescent photos.

Please let us know if you would like additional information on mineral fluorescence and ultraviolet lights. 🥰. We have 365 nm long wave fluorescent flashlights available for purchase.