data_global _chemical_name_mineral 'Gahnite' loop_ _publ_author_name 'Waerenborgh J C' 'Figueiredo M O' 'Cabral J M P' 'Pereira L C J' _journal_name_full 'Physics and Chemistry of Minerals' _journal_volume 21 _journal_year 1994 _journal_page_first 460 _journal_page_last 468 _publ_section_title ; Powder XRD structure refinements and 57Fe Mossbauer effect study of synthetic Zn1-xFexAl2O4 (o