Separation of Plagioclase Feldspars via Chemical Analysis

Shane McClure and Christopher M. Breeding

March 30, 2009

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Examines the geographic origin of feldspar based on chemistry and refutes allegations that Mexican material is being sent to China for treatment and sold as Chinese material. Samples from Mexico, Mongolia and the United States are analyzed.

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Separation of Plagioclase Feldspars via Chemical Analysis

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