Gahnite Popovic J, Tkalcec E, Grzeta B, Kurajica S, Rakvin B American Mineralogist 94 (2009) 771-776 Inverse spinel structure of Co-doped gahnite Note: Sample S1, inversion parameter = .037, (Zn.96Co.04)Al2O4 _database_code_amcsd 0004940 8.0863 8.0863 8.0863 90 90 90 *Fd3m .125 .125 .125 atom x y z occ Biso ZnT .125 .125 .125 .96 .90 CoT .125 .125 .125 .003 .90 AlT .125 .125 .125 .037 .90 AlM .5 .5 .5 .9815 .45 CoM .5 .5 .5 .0185 .45 O .2640 .2640 .2640 .48