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Ionic composition of a disordered kaolinite

Published online by Cambridge University Press:  09 July 2018

W. E. Worrall  and
A. E. Cooper
W. E. Worrall
Affiliation:
Houldsworth School of Applied Science, University of Leeds
A. E. Cooper
Affiliation:
Houldsworth School of Applied Science, University of Leeds
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Abstract

A white-burning, highly-plastic clay from Jamaica, containing mainly disordered kaolinite, was examined recently. It was unusual in that it was practically free from fine mica, and therefore could be purified readily by standard sedimentation techniques.

The cation exchange capacity was abnormally high, and the purified clay mineral, on analysis and calculation of the ionic composition, was found to be deficient in aluminium, but contained magnesium and iron.

The results confirmed the view, previously expressed, that disorder in kaolinites is associated with a high cation exchange capacity and a substituted lattice.

Type
Research Article
Information
Clay Minerals , Volume 6 , Issue 4 , December 1966 , pp. 341 - 344
Copyright
Copyright © The Mineralogical Society of Great Britain and Ireland 1966

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References

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