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Homogeneity in alkali feldspars

Published online by Cambridge University Press:  14 March 2018

Ian Parsons*
Affiliation:
Department of Geology and Mineralogy, Marischal College, Aberdeen

Summary

Curves relating spacing, Or content, and structural state of alkali feldspars are reviewed. Discrepancies between the compositions of heated natural perthitic alkali feldspars determined by this method and by chemical analysis are discussed and shown to be largely consistent with incomplete homogenization.

Type
Research Article
Copyright
Copyright © The Mineralogical Society of Great Britain and Ireland 1968

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