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the other crystal is a double terminated laser crystal with a few micro crystals on one end
display-friendly composition
Additional white to pale peach crystals present on the piece are heulandite
usually in a non-uniform shape (unlike cavansite that generally forms in compact rosettes)
near Mitrovica
Fluorescent Calcite Specimen with Galena & Sphalerite elestial crystal the other crystal is aThis 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
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