Abstract
ON many occasions attention has been directed to the coloration of glass and quartz by the rays from radium. The coloration of glass is generally connected with the presence of manganese or lead, and I venture to suggest that in quartz too the darkening arises from the association of some foreign substance with the silica.
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PHILLIPS, C. Coloration of Glass and Quartz by Radium . Nature 77, 535 (1908). https://doi.org/10.1038/077535c0
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DOI: https://doi.org/10.1038/077535c0
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