gsminmag Mineralogical Magazine Mineralogical Magazine 0026-461X Mineralogical Society 10.1180/minmag.1942.026.177.02 Kalsilite, a Polymorph of KAlSiO₄, from Uganda Bannister F. A. M.A. Hey Max H. M.A., D.Sc. Mineral Department, British Museum. 6 1942 26 177 218 224 Copyright © 1942, The Mineralogical Society 1942