Deflection E-M Tube


SKU RA67580 Category

The set comprises 6 different minerals (uraninite, thorianite, euxenite, allanite, pyrochlore and rødberg, red rock from the Fens Formation in Norway) containing uranium, thorium, yttrium and/or cerium in various combinations and quantities. The minerals produce from a weak to a strong reading on a GM sensor or counter and are excellent alternatives to artificial sources.