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A naturally occurring sodium vermiculite from Unst, Shetland

Published online by Cambridge University Press:  09 July 2018

C. D. Curtis
Affiliation:
Department of Geology, The University, Sheffield, S1 3JD
P. E. Brown
Affiliation:
Department of Geology, The University, Sheffield, S1 3JD
V. A. Somogyi
Affiliation:
Department of Geology, The University, Sheffield, S1 3JD

Abstract

A naturally occurring macroscopic sodium vermiculite from Unst, Shetland is described. It is similar in many respects to synthetic materials recently prepared from phlogopite by potassium replacement. In other respects, however, it is more akin to macroscopic Mg-vermiculites.

Type
Research Article
Copyright
Copyright © The Mineralogical Society of Great Britain and Ireland 1969

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References

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