gsminmag Mineralogical Magazine Mineralogical Magazine 0026-461X Mineralogical Society 10.1180/minmag.1988.052.366.18 Mineralogical Notes Birnessite from Gourock, Renfrewshire, Scotland Nicholson Keith Hunterian Museum, University of Glasgow, Glasgow G12 8QQ, Scotland

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 6 1988 52 366 415 415 18 5 1987 3 7 1987 Copyright © 1988, The Mineralogical Society 1988 Keywords birnessite Gourock Renfrewshire, Scotland