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Luminescence of Gems
Some Notable Fluorescent Collections
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acid activating agate Amer appears autunite Becquerel blue bright cabochon calcite calcium cathode rays cathodoluminescence cells chalcedony Chem chemical chemiluminescence chloride cold quartz tube collections of fluorescent colorless crystals detected emission emitted light examined excited exhibit exposure fails to fluoresce fluo fluores fluorescein fluorescence analysis fluorescent colors fluorescent light fluorescent minerals fluoresces a strong fluorite Franklin glass filters glow heat hyalite intensity Jour known lamp localities long rays luminescence luminous manganese material mercury metal methods microscope molecules Nichols observed obtained occurs opal orange ordinary light oxide phosphorescence phosphors Phys powellite present produced radium rescence samarium scheelite secondary uraninites short rays short wavelength sodium solution sources of ultraviolet species specimens spectrum sphalerite studies substances sulfide temperature thermoluminescence tion triboluminescence ultra ultraviolet light ultraviolet light units ultraviolet radiations ultraviolet units uraninites uranium visible light wave wavelengths willemite Wyoming X-rays yellow yellow-green zinc zippeite