The structure of metahohmannite, Fe23+[O(SO4)2]·4H2O, by in situ synchrotron powder diffraction Scordari, Fernando ; Ventruti, Gennaro ; Gualtieri, Alessandro F. Abstract Publication: American Mineralogist Pub Date: February 2004 DOI: 10.2138/am-2004-2-316 Bibcode: 2004AmMin..89..365S