AM_Hercynite_31 Formula: Fe.934 Al1.906 Mg.146 Ti.004 O4 Name: Hercynite Unit cell: 8.1517 8.1517 8.1517 90.0 90.0 90.0 , V=541.68 Space group: FD3M (227)

Lavina B , Cesare B , Alvarez-Valero A M , Uchida H , Downs R T , Koneva A , Dera P , American Mineralogist , 94 (2009) p.657-665, Closure temperatures of intracrystalline ordering in anatectic and metamorphic, hercynite, Fe2+Al2O4, Note: Sample AVHz20, Locality: El Hoyazo, lavas of the Neogene Volcanic Province of SE Spain