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quartz and feldspar
PLEASE NOTE: A 390 nm light or a black light will not make this rock glow
the other is green with yellow tones
PLEASE NOTE: A 365 nm long wave ultraviolet light and 254 nm short wave light were used in the fluorescent photos
Fluorescent Calcite Specimen with Quartz Crystals from Kosovo Zebra amber quartz and feldsparThis 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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