Some new age woo-woo amulets, charms and even sleeping masks have been recalled from Amazon precisely because of this, the metals they advertise as 'EMF protection' stuff are actually emitting ionizing radiation:

https://www.youtube.com/watch?v=3BA5bw1EV5I

https://www.bbc.com/news/technology-59703523

That youtube channel has the guy testing numerous objects with a geiger counter, it's esp. interesting when some 19th century tableware and other daily use objects used to contain this stuff in the past.