SEE MORE FLUORESCENT MINERALS:
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Tozour Family's Fluorescent Rocks Page 15 - Plugin - Special page for use of the sView Plugin in Internet Explorer or very old versions of Firefox ESR:
Radioactive Fluorescent MineralsBeta ParticlesUraninite, Autunite, Uranium GlassMost fluorescent minerals are not radioactive, but some uranium and thorium containing minerals are both slightly radioactive and fluorescent.Click this link Page15 - Radioactive Minerals - to return to the regular pages. This 10 second sample ( above ) of clicks recorded from the Geiger counter with the beta slots facing the uraninite with autunite at about one inch shows around 39 counts / 10 sec. or 234 counts / minute.
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