Fluorescent Calcite Specimen with Quartz Crystals from Kosovo Yellow fluorite Beautiful yellow color etched triphane

Beautiful yellow color etched triphane / spodumene crystal from Laghman Afghanistan

Light pink / clear gemmy heulandite fan crystal with chalcedony & minor mordenite on trimmed basalt matrix

Beautiful pink mangano calcite with clear / white calcite crystals on the surface of the pink calcite

Size: 61 x 47 x 38 mm

Two beautiful blue pentagonite radiating crystal clusters on a bed of tiny stilbite crystals atop matrix mineral

Fluorescent Calcite Specimen with Quartz Crystals from Kosovo Yellow fluorite Beautiful yellow color etched triphaneThis is a beautifully complicated, natural crystal cluster with high Mn calcite & quartz. From the famous Trepa Mine complex in the Trepa Valley in Kosovo. 70 x 60 x 55 mm. 162 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 fluorescent