Zircon Crystal with Fluorescent Apatite Inclusions, Biotite-Calcite Aegirine matrix, Astore Valley, Pakistan Purple amethyst depending on the amount of

depending on the amount of iron in its composition

Weight is 130 grams

Beautiful golden quartz crystal with a natural yellow iron oxide coating

Beautiful green pargasite crystals with phlogopite on sparkling marble matrix

Axinite Crystal cluster

Zircon Crystal with Fluorescent Apatite Inclusions, Biotite-Calcite Aegirine matrix, Astore Valley, Pakistan Purple amethyst depending on the amount ofBeautifully 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