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RE: [OM] Radioactive glass

Subject: RE: [OM] Radioactive glass
From: Mark Marr-Lyon <markml@xxxxxxx>
Date: Thu, 31 Jul 2003 07:06:36 -0600
Interesting. I knew about Fiestaware - it's only the older red-orange pottery that used uranium oxide in the glaze. The newer stuff uses a non-radioactive glaze. I hadn't heard about the Vaseline glass though. Does it use uranium to produce different colored glasses?

Mark

On Wednesday, July 30, 2003, at 11:29 AM, olympus-digest 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.

Either are safe to possess, but I wouldn't be using them for eating or = drinking, where acidic foods could leach the uranium from the glass or =
glaze.


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