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RE: [OM] Radioactive glass

Subject: RE: [OM] Radioactive glass
From: Garth Wood <garth@xxxxxxxxxxxxxxx>
Date: Wed, 30 Jul 2003 12:01:56 -0600
At 10:26 AM 7/30/2003 -0700, Scott Gomez wrote:
Not only lenses. What's called "Vaseline" glass here in the USA was produced for years and contains a significant amount of uranium. "Fiestaware" (a brand name, I believe) pottery also used uranium-bearing glazes (esp. in red colors, I understand) for many years. A quick check for uranium-bearing glass or pottery is to place them under black (UV) light, where they will fluoresce strongly. Then check via a Geiger counter to confirm.

Yep. Saw some orange-red Fiestaware at a display at Los Alamos last November, where they allowed you to pass a Geiger counter over the plate and watch the counter go nuts (relatively speaking -- the radiation was still low). Interesting. And the colour was *really* striking! -- little wonder it would flouresce under the proper conditions.


Garth


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