gsminmag Mineralogical Magazine Mineralogical Magazine 0026-461X Mineralogical Society 10.1180/minmag.1997.061.409.11 Short Communications Prosopite, Doyleite and Otavite from Coldstones Quarry, Pateley Bridge, North Yorkshire Young B. British Geological Survey, Murchison House, West Mains Road, Edinburgh, EH9 3LA, UK Ryback G. 42 Bell Road, Sittingbourne, Kent, ME10 4EB, UK Braithwaite R. S. W. Department of Chemistry, University of Manchester Institute of Science and Technology, Manchester M60 1QD, UK Francis J. G. Department of Mineralogy, The Natural History Museum, Cromwell Road, London SW7 5BD UK 12 1997 61 409 895 897 12 3 1997 25 4 1997 Copyright © 1997, The Mineralogical Society 1997 prosopite doyleite otavite Coldstones Quarry Yorkshire U.K.