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Date: 2011-10-03 14:01:37Natural resources Denver Smoky quartz Amazonite Quartz Amateur geology Amethyst Fluorite Inclusion Mineralogy Crystallography Chemistry | [removed]Volume 75 Issue 6 October 2011 Mineral Minutes October 2011Add to Reading ListSource URL: www.coloradomineralsociety.orgDownload Document from Source WebsiteFile Size: 519,80 KBShare Document on Facebook |