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From Indonesia
Eocene age fossils of benthic organisms
This crystal has a growth interruption in the middle of the crystal
“Snakeskin” stone cabochon wrapped in copper that has been oxided and polished
Fluorescent Calcite Specimen with Galena & Sphalerite pink crystals From IndonesiaThis is a beautifully complicated, natural crystal cluster with high Mn calcite, minor galena & sphalerite. From the famous Trepa Mine complex in the Trepa Valley in Kosovo. 57 x 55 x 26 mm. 82 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
