Link: http://www.amazon.com/gp/product/B000796XXM
Product Description
Radioactive sample of uranium ore. Useful for testing Geiger Counters.
License exempt. Uranium ore sample sizes vary. Shipped in labeled metal
container as shown. Shipping Information: We are always in compliance with
Section 13 from part 40 of the NRC Nuclear Regulatory Commission rules and
regulations and Postal Service regulations specified in 49 CFR 173.421 for
activity limits of low level radioactive materials. Item will be shipped in
accordance with Postal Service activity limits specified in Publication 52.
Radioactive minerals are for educational and scientific use only.