gsminmag Mineralogical Magazine Mineralogical Magazine 0026-461X Mineralogical Society 10.1180/minmag.1982.045.337.33 Short Communications A Re-examination of the Type Forbesite Brathwaite R. S. W. Chemistry Department, University of Manchester Institute of Science and Technology, Manchester M60 1QD 1982 45 337 284 285 Copyright © 1982, The Mineralogical Society 1982