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Claringbullite, a new hydrated copper chloride

Published online by Cambridge University Press:  05 July 2018

E. E. Fejer ,
A. M. Clark ,
A. G. Couper  and
C. J. Elliott
E. E. Fejer
Affiliation:
Department of Mineralogy, British Museum (Natural History), Cromwell Road, London SW7 5BD
A. M. Clark
Affiliation:
Department of Mineralogy, British Museum (Natural History), Cromwell Road, London SW7 5BD
A. G. Couper
Affiliation:
Department of Mineralogy, British Museum (Natural History), Cromwell Road, London SW7 5BD
C. J. Elliott
Affiliation:
Department of Mineralogy, British Museum (Natural History), Cromwell Road, London SW7 5BD
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Summary

Claringbullite, Cu4CI(OH)7.nH2O where n is about 0·5, a new mineral, is reported as soft blue plates in cuprite from Nchanga open pit, Zambia and Kambowe, Mina M'sesa, Katanga. The mineral is hexagonal a 6-6708, c 9·183 Å, Z = 2. Optically, claringbullite is uniaxial negative with ω = 1·782 and ε = 1·780. Indexed powder data are given together with five electron-probe analyses of the mineral.

Type
Research Article
Information
Mineralogical Magazine , Volume 41 , Issue 320 , December 1977 , pp. 433 - 436
Copyright
Copyright © The Mineralogical Society of Great Britain and Ireland 1977

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References

Donnay, (J. D. H.) and Ondik, (H. M.), 1973. Crystal Data. Determinative Tables, 2, H22, 34.Google Scholar
Hess, (J. B), 1951. Ada Cryst. 4, 209–15.CrossRefGoogle Scholar