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Cosmochlore—a new examination

Published online by Cambridge University Press:  05 July 2018

A. G. Couper ,
M. H. Hey  and
R. Hutchison
A. G. Couper
Affiliation:
British Museum (Natural History), Cromwell Road, London SW7
M. H. Hey
Affiliation:
British Museum (Natural History), Cromwell Road, London SW7
R. Hutchison
Affiliation:
British Museum (Natural History), Cromwell Road, London SW7
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Abstract

Examination of cotype cosmochlore from the Toluca meteorite confirms Laspeyres's observations (1897) in every respect, except that what he determined as iron was largely titanium. His data are completed by an electron-probe analysis and by full optical and X-ray data. Accepting the identity of cosmochlore and ureyite, the optical data of Frondel and Klein (1965) for the latter are partly in error or misprinted.

Type
Research Article
Information
Mineralogical Magazine , Volume 44 , Issue 335 , September 1981 , pp. 265 - 267
Copyright
Copyright © The Mineralogical Society of Great Britain and Ireland 1981

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