Fluorescent Calcite with Clear Quartz Crystals & Pyrite from Trepca Mine, Kosovo Rainbow iridescent Mineral: Natural Smoky Citrine

Mineral: Natural Smoky Citrine

Maharashtra

Size: 90 x 68 x 64 mm

producing material that ranges from bright golden tones to darker earthy bands with exceptional depth and movement

but this one reacts much better to short wave UV

Fluorescent Calcite with Clear Quartz Crystals & Pyrite from Trepca Mine, Kosovo Rainbow iridescent Mineral: Natural Smoky CitrineThis is a beautiful, natural crystal cluster with high Mn calcite, lustrous clear quartz crystals, and minor pyrite. From the famous Trepa Mine complex in the Trepa Valley in Kosovo. Size: 87 x 85 x 60 mm. 258 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 may not make this rock glow. A 365 nm long wave ultraviolet light