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Incommensurate superlattice ordering in priderite

Published online by Cambridge University Press:  05 July 2018

A. Pring  and
D. A. Jefferson
A. Pring
Affiliation:
Department of Physical Chemistry, University of Cambridge, Lensfield Road, Cambridge CB2 1EP
D. A. Jefferson
Affiliation:
Department of Physical Chemistry, University of Cambridge, Lensfield Road, Cambridge CB2 1EP
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Abstract

The mineral priderite has been examined by electron microprobe analysis and electron diffraction. The composition was approximately (K0.97Ba0.33)(Fe1.17Ti6.60Mg0.23)O16, which is in line with the observed superlattice periodicity of m = 5.88, there being inter-growths of m = 5 and m = 6 superstructures. A surprisingly high degree of lateral correlation between tunnel cations was noted.

Type
Research Article
Information
Mineralogical Magazine , Volume 47 , Issue 342 , March 1983 , pp. 65 - 68
Copyright
Copyright © The Mineralogical Society of Great Britain and Ireland 1983

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