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The crystal structure of kamchatkite, a new naturally occurring oxychloride sulphate of potassium and copper

Published online by Cambridge University Press:  05 July 2018

T. V. Varaksina ,
V. S. Fundamensky ,
S.K. Filatov  and
L. P. Vergasova
T. V. Varaksina
Affiliation:
Department of Crystallography, Leningrad State University, USSR
V. S. Fundamensky
Affiliation:
Department of Crystallography, Leningrad State University, USSR
S.K. Filatov
Affiliation:
Department of Crystallography, Leningrad State University, USSR
L. P. Vergasova
Affiliation:
Institute of Volcanology, Academy of Sciences of the USSR, Petropavlovsk-Kamchatsky
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Abstract

The crystal structure of the new mineral kamchatkite, a= 9.741(5), b= 12.858(6), c=7.001(3)Å, space group Pna21, Z = 4, has been determined through direct methods using 1430 intensities and refined to a final discrepancy index R = 0.055. It contains (SO4) tetrahedra and Cu octahedra interconnected by oxygen atoms to form an electrostatically neutral three-dimensional arrangement of formula Cu3O[SO4]2 which contains channels parallel to [001]. The channels are not empty but house KCl molecules.

Keywords

kamchatkitecrystal structureKamchatkaUSSR
Type
Crystal Structures
Information
Mineralogical Magazine , Volume 54 , Issue 377 , December 1990 , pp. 613 - 616
Copyright
Copyright © The Mineralogical Society of Great Britain and Ireland 1990

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References

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