Fluorescent Calcite Cluster from Trepça Mines, Kosovo amber Clear quartz crystal with dark

Clear quartz crystal with dark green epidote crystals near the base of the crystal and several intricate crystal imprints

Size: 48 x 40 x 20 mm

A faint greenish afterglow is visible after UV exposure

The crystal has a natural fracture that is stable

Fluorescent Honey Yellow Calcite on druzy quartz

Fluorescent Calcite Cluster from Trepça Mines, Kosovo amber Clear quartz crystal with darkThis is a large fluorescent calcite cluster with minor rainbow pyrite From the famous Trepa Mine complex in the Trepa Valley in Kosovo. Size: 198 x 138 x 95 mm. 1780 grams. This piece also glows beautiful mangano calcite red orange under long wave ultraviolet light with a wavelength of 365 nanometers. PLEASE NOTE: If you have a 395 nm light or a black light, it WILL NOT make this rock glow. A 365 nm long wave ultraviolet light was used in the