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Evaluation of Existing X-Ray Powder Diffraction Standards for Phosphate Minerals

Published online by Cambridge University Press:  06 March 2019

Frank N. Blanchard
Frank N. Blanchard*
Affiliation:
Department of Geology, University of Florida, Gainesville, FL 32611
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Extract

Of the roughly 3,000 known mineral species over 290 or 10 percent are phosphates. This report deals with a recently initiated project, the purpose of which is to produce better X-ray powder diffraction standards than currently exist for selected phosphate minerals. The project involves evaluation of existing X-ray diffraction standards for phosphate minerals, and collection of new data from species for which current data are judged unsatisfactory.

Type
I. J. D. Hanawalt Award Session on Search/Match Methods
Information
Advances in X-Ray Analysis , Volume 27: Thirty-Second Annual Conference on Applications of X-ray Analysis, August 1-5, 1983 , 1983 , pp. 61 - 66
Copyright
Copyright © International Centre for Diffraction Data 1983

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References

Appleman, D. E., and Evans, H. T.Jr., 1973, Indexing and least-squares refinement of powder diffraction data. Geol. Survey Computer Contribution, No. 20, 62 p.Google Scholar
Smith, G. S. and Snyder, R. L., 1979, F(n):a criterion for rating powder diffraction patterns and evaluating the reliability of powder pattern indexing. J. Appl. Cryst. 12, 60–65.Google Scholar