2.1 gram Autunite / meta autunite Crystal Locality: Shandong Provence China Size: 27x20x5mm Approximate Weight: 2.14 Grams Photographed with indoor and outdoor light. Fluorescence demonstrated using 365nm light. This specimen was stabilized with Paraloid B-72, a commonly used conservation material in the field of mineral preservation, providing excellent protective qualities for long-term conservation. The stabilization process infuses the specimen with an acrylic polymer resulting in a more rigid and less friable specimen that won’t break, or disintegrate over time and under normal circumstances. A small UV light source is included with each autunite shipment GeigereCheck #245A