Description
Beautifully formed zircon crystals, with fluorescent apatite inclusions in biotite-aegrine-calcite matrix.
The apatite fluoresces yellow/orange with 254nm short wave UV light. The calcite in the biotite-calcite 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 20 mm. 55 grams