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Refinement of the crystal structure of botallackite

Published online by Cambridge University Press:  05 July 2018

F. C. Hawthorne
F. C. Hawthorne*
Affiliation:
Department of Earth Sciences, University of Manitoba, Winnipeg, Manitoba, CanadaR3T 2N2
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Abstract

The crystal structure of botallackite, Cu2(OH)3Cl, monoclinic, a = 5.717(1), b = 6.126(1), c = 5.636(1)Å, β = 93.07(1)°, V = 197.06(5)Å3, space group P21/m, Z = 1, has been refined to an R index of 3.8% for 350 observed (4σ) reflections, measured with Mo-Kα X-radiation on an automatic four-circle diffractometer. The structure consists of sheets of edge-sharing Cuϕ6 (ϕ = unspecified anion) octahedra of composition Cu2(OH)3Cl; these sheets are // {100}, and are joined by hydrogen bonding between oxygen and chlorine anions, thus accounting for the perfect {100} cleavage and the platy habit of botallackite.

Keywords

crystal structurebotallackiteBotallack MineCornwall
Type
Research Article
Information
Mineralogical Magazine , Volume 49 , Issue 350 , March 1985 , pp. 87 - 89
Copyright
Copyright © The Mineralogical Society of Great Britain and Ireland 1985 

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References

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