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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