Uranium Glass Marbles Radiation Reference

Sometimes uranium glass is sold as vaseline glass because of its color and luster.

Uranium glass marbles radiation reference.

An interesting thing about uranium glass is that it fluoresces under ultraviolet light. The radiation is safe as it is mainly alpha and the marbles only contain about 3 uranium by weight. The photons emitted from an ultraviolet light excite the electrons in uranium atoms. These marbles are amazing under a black light.

It s easy see why a teacher or parent might be worried about a kid playing with these yellow green glass marbles. 10 odd objects made from uranium glass webecoist uranium glass a form of glassware known for the vivid green glow it exudes under ultraviolet light contains from 2 to 25 uranium oxide by weight. In one of our catalogs we made joking reference to some new beads made with glow in the dark uranium glass they were a beautiful yellow green color and of course they didn t glow in the dark. This is not uranium glass.

In fact these marbles contain about 2 to 3 percent uranium by weight. The instrument used is a thermo scientific eberline e 600 ratemeter with an hp 360 smart probe. Under an ultraviolet blacklight these marbles give off a neon glow a product of the small amounts of uranium found inside the spheres. Detectable amounts of beta particles emitted from uranium glass marbles.

Uranium glass also fluoresces bright green under ultraviolet light and can register above background radiation on a sufficiently sensitive geiger counter although most pieces of uranium glass are considered to be harmless and. So please be careful when you buy them. When i put my hot dish under a longwave uv light it lights up the whole room up with a gatorade greenish yellow light. 3 blue glass blue in the sun light and glows bluish green under uv.

Most of the clear blue. Marble ball vaseline glass glass marbles glass paperweights carnival glass stained glass windows colored glass ultra violet just in case glow away. You may see many items which say blue vaseline in the auctions.