File:Thermolumine.png

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English: thermoluminescence of fluorite (chlorophane) specimens which emit light when heated on a hot plate. Too high a temperature can break the crystal. The phenomenon only lasts for a few minutes, then disappears. The light emitted at the beginning seems to be white, and tends to be a little blue at the end.
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Author Mauswiesel

taken with a sanyo xacti, fluorite come from an ebay user, and are few cm wide

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current11:30, 27 December 2009Thumbnail for version as of 11:30, 27 December 20091,711 × 576 (1.42 MB)Mauswiesel (talk | contribs){{Information |Description={{en|1=thermoluminescence of a fluorite (chlorophane) which emit light when heated on a hot plate. Too much temperature can break the crystal. The phenomenon is on a few minute, then disappear. The light emmited at the begining

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