Claringbullite, a New Hydrated Copper Chloride

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

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.

Mineralogical Magazine; December 1977 v. 41; no. 320; p. 433-436; DOI: 10.1180/minmag.1977.041.320.02
© 1977, The Mineralogical Society
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