Fluorescent Uranium Ore 5.2 Gram Autunite/Meta-autunite Crystal Locality: Huantai County, Zibo Shandong Provence, China Size: 26x17x15mm Approximate Weight: 5.2 Grams Acrylic base and dark mounting media included Photographed in outdoor and indoor light. Fluorescence at 365nm. This specimen was stabilized with Butvar B-76, a commonly used conservation material in the field of mineral preservation, providing excellent protective qualities for stabilization and long-term conservation. The stabilization process infuses the specimen with an acrylic resin resulting in a specimen that won't fall apart over time like autunite normally does if neglected. A small UV light source is included with each autunite shipment. The buyer must assume responsibility for this item and use it according to its intended purpose. Keep this away from children and store it at least five feet away from anywhere anyone spends a lot of time. Geiger counter not included. GeigerCheck # 240K