AM_Fibroferrite Formula: Fe (O10 S) H11 Name: Fibroferrite Unit cell: 24.17699 24.17699 7.656 90.0 90.0 120.0 , V=3875.58 Space group: R11-3 (1)

Scordari F , Tschermaks Mineralogische und Petrographische Mitteilungen , 28 (1981) p.17-29, Fibroferrite: A mineral with a {Fe(OH)(H2O)2SO4} spiral chain and its, relationship to Fe(OH)SO4, butlerite and parabutlerite, Locality: Saint Felix de Pailleres, France