The crystal structure of alunite

Abstract

The authors are indebted to Dr R. E. Pincock and Mrs June Wells for suggesting the problem, for supplying the crystal sample, and for much helpful discussion; to Dr F. R. Ahmed and Dr G.A. Mair for making available their IBM 1620 programs, and to the staff of the U.B.C. Computing Centre for assistance; to the :National Research Council of Canada and to the Committee on Research, Faculty of Graduate Studies, University of British Columbia, for financial support, and to the Department of Scientific and Industrial l~esearch, United Kingdom, for the award of a research studentship (to A.C.M.).