7-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: 19x36x12mm
Approximate Weight: 7.2g
Formula: Ca(UO2)2(PO4)2·10-12H2O
This specimen was stabilized with Paraloid B-72, a commonly used conservation material in the field of mineral preservation, providing excellent protective qualities for stabilization and long-term conservation. The stabilization process results in a specimen that won’t fall apart over time like autunite normally does if neglected. Using this specimen in a cloud chamber isn’t recommended because isopropyl alcohol rain will dissolve and degrade the stabilizer over time.
Autunite contains 48.27% uranium. This specimen will glow bright green in the presence of UV light due to the presence of phosphorus.
A small UV light source and plastic display case are included with the purchase.
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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