Citation: Lavina, B.; Cesare, B.; Alvarez-Valero A M; Uchida, H.; Downs, R. T.; Koneva, A.; Dera, P. (2009). Closure temperatures of intracrystalline ordering in anatectic and metamorphic hercynite, Fe2+Al2O4 Note: Sample AVMa8.9 Locality: El Hoyazo, lavas of the Neogene Volcanic Province of SE Spain. American Mineralogist, 94, pp. 657-665.