Plumbian Tennantite from Sark, Channel Islands

A. C. Bishop, A. J. Criddle and A. M. Clark
Dept. of Mineralogy, British Museum (Natural History), Cromwell Road, London SW7 5BD

Summary: An unusual tennantite, containing 4·64% Pb, has been found on a mineral specimen from Sark's Hope Mine collected in 1843. An electron-probe analysis is given, together with visible spectrum reflectance data, quantitative colour values, VHN, and cell dimensions determined from X-ray powder diffraction photographs.

Mineralogical Magazine; March 1977 v. 41; no. 317; p. 59-63; DOI: 10.1180/minmag.1977.041.317.09
© 1977, The Mineralogical Society
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