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Smithsonian Microbeam Standards
1Department of Mineral Sciences, NMNH, Smithsonian Institution, Washington, DC 20560.
Abstract:
This is a short history of the Smithsonian Microbeam Standards; their sources, selection, preparation, and analyses. Fifty-eight minerals, natural glasses, and synthetic samples have been characterized in the past 25 years. During that time, over 750 requests were received for approximately 11 000 individual samples. These reference samples are referred to as the Smithsonian Microbeam Standards.
