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Books Books 1 - 4 of 4 on Certain bodies, such as fluorite, become luminous when heated ; they are thermo-luminescent.....  
" Certain bodies, such as fluorite, become luminous when heated ; they are thermo-luminescent. Their luminosity disappears after some time, but the capacity of becoming luminous afresh through heat is restored to them by the action of a spark, and also... "
Radio-active Substances - Page 65
by Marie Curie - 1904 - 94 pages
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Chemical News and Journal of Industrial Science, Volume 88

Chemistry - 1903
...in acid solution, do not become sensibly coloured after some time has elapsed, whereas crystals oi barium-radium chloride, rich in radium, become deeply...the fluorite is afterwards subjected to the action ol radium, an inverse change occurs, which is also accompanied by an emission of light. An absolutely...
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Light energy

Margaret Abigail Cleaves - 1904 - 827 pages
...their luminosity fades, but the faculty of becoming luminous anew by heat is restored to these bodies by the action of a spark, and also by the action of radium. Photographic Power of Radium. The rays which act photographically are the 0 and y group. Unlike...
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Thermoluminescence of Solids

S. W. S. McKeever - Science - 1988 - 392 pages
...Marie Curie in 1904 when she wrote in her doctoral thesis : 'Certain bodies, such as fluorite, became luminous when heated; they are thermo-luminescent....by the action of a spark and also by the action of radiation. Radium can thus restore to these bodies their thermo-luminescent property.' (Curie, 1904)....
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A Century of X-Rays and Radioactivity in Medicine: With Emphasis on ...

R.F Mould - Science - 1993 - 218 pages
...thesis54 recorded her observations on the thermoluminescence of calcium fluoride exposed to radium: 'Certain bodies such as fluorite become luminous when...to these bodies their thermo-luminescent property.' It was, though, not until the late 1940s that thermoluminescence was first used to make quantita[22.7]...
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