3.4 Gram Meta-autunite Specimen From Huantai County, Zibo Shandong Provence China Mineral: calcium uranyl phosphate also called calco-uranite Size: 22x15x12mm Approximate Weight: 3.4g Autunite contains 48.27% uranium. This specimen will glow bright green in the presence of UV light due to the presence of phosphorus. 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. Shipped only with USPS Parcel Select Ground (2-8 days), wrapped in plastic, lead foil and bubble wrap in a box big enough to bring the parcel surface activity below the 0.5mR/hr shipping limit. (the unshielded specimen itself has an activity above 70 Bq/gram) 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. A small UV light source is included with the purchase. This listing meets the requirements of NRC 10 CFR 40.22 It also meets U.S.P.S domestic shipping requirements for exempt limited quantities of class 7 materials according to --347.22 "are eligible under 49 CFR to be shipped as excepted packages for limited quantities" and --Exhibit 347.22 Activity Limits-- and also --173.435-- Table of A1 and A2 values This item will conform to the USPS shipping restrictions when shipped. Geiger counters not included