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Normal and anomalous tobermorites

Published online by Cambridge University Press:  05 July 2018

T. Mitsuda  and
H. F. W. Taylor
T. Mitsuda
Affiliation:
Department of Chemistry, University of Aberdeen, Scotland, U.K.
H. F. W. Taylor
Affiliation:
Department of Chemistry, University of Aberdeen, Scotland, U.K.
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Summary

Tobermorite minerals vary in some proper lies, notably in whether or not unidimensional lattice shrinkage occurs by about 300 °C to give a 9·3 form; specimens that do this are called normal, and ones that do not, anomalous. Data are compared for thirteen natural tobermorites and the extent to which normal or anomalous character is related to other properties is examined. The most definite correlations found are with chemical composition and morphology. The conditions of formation of normal and anomalous tobermorites are discussed in the light of synthetic evidence.

Type
Research Article
Information
Mineralogical Magazine , Volume 42 , Issue 322 , June 1978 , pp. 229 - 235
Copyright
Copyright © The Mineralogical Society of Great Britain and Ireland 1978

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Footnotes

*

Permanent address: Materials Research Laboratory, Nagoya Institute of Technology, Gokiso, Showa-ku, Nagoya, Japan.

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