Stabilized Autunite Crystal – Fluorescent Uranium Ore, Beta Particle (β) Source


Geological Check source for Geiger counters.

Stabilized Autunite Crystal in a Cloud Chamber


Out of stock

1.9-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: 27*20*12mm

Approximate Weight: 1.9

Formula: Ca(UO2)2(PO4)2·10-12H2O

This specimen was stabilized using Paraloid B-72 which acts as a protective coating, providing structural support and inhibiting ing the release of alpha particles from the autunite, making it an ideal beta particle source.

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

This item will conform to the USPS shipping restrictions when shipped.

Geiger counter not included.

NOTE: By purchasing this item you agree that you have read our
WARNINGS and NOTICES ! (also serves as FAQ’s)