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Barnesite
Forum List | Follow Ups | Post Message | Back to Thread Topics | In Response To Posted by Jon Caldwell on April 5, 2001 18:15:50 UTC |
I tested some 20 year old Barnesite I have with a Geiger counter and didn't find any radioactivity above backround levels. I can't say there aren't some other poisonous effects of the stuff, though, that caused problems for professional opticians. Just thought this might be interesting. |
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