Radioactive Glass Marbles

These marbles barely register on sensitive geiger counters and the radiation emitted barely creeps above the background radiation we experience everyday from natural sources.

Radioactive glass marbles.

Although the marbles emit beta particles and gamma rays which are dangerous at high levels they only give off a small number of these radioactive decay products. As the uranium dissolves into the red hot glass it takes on the tell tale pale green color of uranium glass. The marbles contain approximately 3 uranium 238 by weight. Uranium glass items are often sold on the antique market through a handful of online sellers and on ebay.

The uranium causes the glass to glow brightly under a uv light. The irradiated marbles aren t radioactive but have instead been exposed to radiation from cobalt 60. The proportion usually varies from trace levels to about 2 uranium by weight although some 20th century pieces were. Hokpa flat glass marbles 1lb 100pcs mixed color blue glass beads for vases flat gems aquarium pebbles decorative vase filler table scatter decor.

It is relieving to hear that the radioactive levels in granite and marble are too small to be of any concern but all construction materials in general emit a small amount of radon gas which is radioactive and can easily accumulate in poorly ventilated buildings. This small amount of uranium is added to the glass while it s still in the furnace and in a molten state. The beds we sleep in are radioactive. Jan 28 2016 explore kirk leimkuehler s board uranium glass marbles followed by 380 people on pinterest.

Inhaling the accumulated radon could give rise to small degree of radiation. 4 2 out of 5 stars 31. The lawns we sprawl out on during the dog days of summer are too. Only 17 left in stock order soon.

In fact there s more radioactive potassium 40 inside each and every one of us than anyone could ever receive from handling using or just plain eyeballing a piece display case or entire museum full of vaseline glass. These marbles do contain uranium but not enough to be of concern. Get it as soon as fri sep 4. These beautiful marbles were manufactured with radioactive uranium added to the material to give a light green color.

Radioactive uranium doped glass marbles approximately 5 8 diameter. See more ideas about glass marbles glass paperweights.