No, AZOMITE is not radioactive. The company's updated website FAQ page contains a recent Gross Alpha/Beta Case Narrative (ALS Laboratories) that shows that the alpha radiation values present in AZOMITE are lower than those from a sample taken from the ALS parking lot. {
http://www.azomite.com/faq.html }
AZOMITE is not radioactive and does not have the capacity to emit alpha particles, which can harm humans or animals. How's that for panic relief?