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A re-examination of cheralite

Published online by Cambridge University Press:  05 July 2018

J. F. W. Bowles ,
E. A. Jobbins  and
B. R. Young
J. F. W. Bowles
Affiliation:
Institute of Geological Sciences, 64-78 Gray's Inn Road, London WC1X 8NG
E. A. Jobbins
Affiliation:
Institute of Geological Sciences, Exhibition Road London SW7 2DE
B. R. Young
Affiliation:
Institute of Geological Sciences, Exhibition Road London SW7 2DE
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Summary

A new analysis of the type material of cheralite specifies the individual rare earth elements. Unit cell contents are: (REE1.58Th1.15Ca1.03Pb0.05U0.15)3.96 (P3.67Si0.33)4.01O16. Refinement of the cell parameters based on new XRD data shows that a = 6.7515 ± 0,0005 Å, b = 6.9625 ± 0.0005, c = 6.468 ± 0.0005, β = 103° 53′, giving a cell volume of 295.2 Å3. Space group P21/n.

Type
Research Article
Information
Mineralogical Magazine , Volume 43 , Issue 331 , September 1980 , pp. 885 - 888
Copyright
Copyright © The Mineralogical Society of Great Britain and Ireland 1980

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