Summary: The parageneses are given of ten new occurrences of carminite [PbFe2(AsO4)2(OH)2] and eleven of beudantite [PbFe3AsO4SO4(OH)6] in Cornwall and Cumberland, with an account of the alteration of carminite to beudantite and of beudantite to plumbojarosite or to beaverite.
Mineralogical Magazine; June 1960 v. 32; no. 249; p. 423-432; DOI: 10.1180/minmag.1960.032.249.01
© 1960, The Mineralogical Society
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