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Some natural analcime solid solutions

Published online by Cambridge University Press:  14 March 2018

J. F. G. Wilkinson*
Affiliation:
Department of Geology, The University of New England, Armidale, N.S.W.

Summary

Chemical, optical, and X-ray data are presented on three analcimes from a differentiation sequence, olivine-theralite to analcime-tinguaite; compared with the ideal analcime composition, they reveal replacement of NaAl→Si. Optical and X-ray data on these minerals accord reasonably well with analcimes possessing similar compositions, and synthesized in the sub-solidus region in the NaAlSiO4-NaAlSi3O8-H2O system.

Type
Research Article
Copyright
Copyright © 1963, The Mineralogical Society

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