Fluorescent Calcite Specimen with Galena & Sphalerite rose quartz have double terminations that show

have double terminations that show extra terminations

Sapphire mining takes place near the village of Hazrat Saeed

This beautiful blue rock is lapis lazuli (today often called lapis)

Size: 50 x 30 x 23 mm

Fluorescent Calcite Specimen with Galena & Sphalerite rose quartz have double terminations that showThis 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