5.4 Gram Autunite Specimen – Stabilized with Paraloid B-72
Common Name: autunite
From Huantai County, Zibo Shandong Provence China
Mineral: calcium uranyl phosphate also called calco-uranite
Size: 26x23x9mm
Approximate Weight: 5.4g
Formula: Ca(UO2)2(PO4)2·10-12H2O
This sample underwent stabilization using Paraloid B-72, a frequently employed material in mineral preservation. It effectively ensures stability, rigidity, and long-term conservation, preventing the typical degradation seen in neglected autunite specimens, thereby preserving its integrity over time.
48.27% Uranium By Mass
A small UV light source is included with each autunite shipment.
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.
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
Geiger counter not included.
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