Description
This is a beautiful, natural crystal cluster with highly fluorescent calcite, sphalerite, & pyrite. From the famous Trepça Mine complex in the Trepça Valley in Kosovo.
Size: 84 x 63 x 42 mm. 254 grams.
This piece glows beautiful mangano calcite 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.