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#1

Summary: A review of the risk assessment for effects that certain alpha-Quartz properties, which allow the substance to persist over a long period of time in the lung, creating a risk factor for silicosis and, with increasing weight of evidence, lung cancer. The article discusses the assessment of diffraction line broadening by measuring the full-width-at-half-maximum, or FWHM. The FWHM can then be used to directly assess the alpha-Quartz's Crystallinity index, which, the authors say, …