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The calciferous and alkali amphiboles

Published online by Cambridge University Press:  14 March 2018

R. Phillips
Affiliation:
Dept. of Geology, University of Durham
W. Layton
Affiliation:
Dept. of Geology, University of Durham

Summary

An attempt is made to systematize the nomenclature of the calciferous and alkali amphiboles. The compositions of end-members can be plotted on a simple diagram, which can also be used to display the affinities of the naturally occurring minerals after deriving a basic atomic formula according to the rules given. The composition of an amphibole can in some cases be expressed quantitatively in terms of solid solution of two or three pure end-members.

Type
Research Article
Copyright
Copyright © The Mineralogical Society of Great Britain and Ireland 1964

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