AM_Hercynite_33 Formula: Fe.892 Al1.922 Mg.164 Ti.004 Mn.006 Zn.002 O4 Name: Hercynite Unit cell: 8.1474 8.1474 8.1474 90.0 90.0 90.0 , V=540.83 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 HO27BC, Locality: El Hoyazo, lavas of the Neogene Volcanic Province of SE Spain