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Size: 90 x 30 x 20 mm
New Jersey
Size: 57 x 31 x 30 mm
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Fluorescent Calcite Specimen with Quartz Crystals from Kosovo vesuvianite crystals Size: 90 x 30 xThis is a beautifully complicated, natural crystal cluster with high Mn calcite & quartz. From the famous Trepa Mine complex in the Trepa Valley in Kosovo. 70 x 60 x 55 mm. 162 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
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