AM_FeOHSO4 Formula: Fe S2 O8 Name: FeOHSO4 Unit cell: 3.668 6.418 7.159 90.0 90.0 90.0 , V=168.53 Space group: IMMM (71)

Ventruti G , Scordari F , Schingaro E , Gualtieri A F , Meneghini C , American Mineralogist , 90 (2005) p.679-686, The order-disorder character of FeOHSO4 obtained from the thermal decomposition of, metahohmannite, Fe3+2(H2O)4[O(SO4)2], Sample: T = 220 C, Note: this is a fictitious superposition structure , resulting from Rietveld refinement, of a structure with disordered layer stacking