gsminmag Mineralogical Magazine Mineralogical Magazine 0026-461X Mineralogical Society 10.1180/minmag.1996.060.400.15 Short Communications The Atomic Arrangement of Ojuelaite, ZnFe23+(AsO4)2(OH)2·4H2O Hughes John M. Bloodaxe Erich S. Kobel Kyle D. Department of Geology, Miami University, Oxford, OH 45056, USA Drexler John W. Department of Geological Sciences, University of Colorado, Boulder, CO 80309, USA 6 1996 60 400 519 521 26 1 1995 Copyright © 1996, The Mineralogical Society 1996 ojuelaite crystal structure Mexico