Description
Beautifully formed zircon crystal, with minor fluorescent apatite inclusions, on biotite schist and calcite/marble/carbonatite matrix.
The apatite fluoresces yellow/orange with 254nm short wave UV light. The calcite/marble/carbonatite matrix fluoresces pink under 254nm short wave UV. PLEASE NOTE: This specimen only fluoresces with 254nm, short wave ultraviolet light. A filtered, high-quality lamp is ESSENTIAL.
Most multi-function, inexpensive UV lights, that claim to be short wave, are in fact either non-filtered, or not the correct wavelength.
Location:
Astore Valley, Astore District, Gilgit-Baltistan, Pakistan
Size: 60 x 40 x 35 mm. 125 grams.