Mullite Popovic J, Tkalcec E, Grzeta B, Kurajica S, Schmauch J American Mineralogist 92 (2007) 408-411 Cobalt incorporation in mullite Sample: MU1 _database_code_amcsd 0004281 7.5618 7.6882 2.8860 90 90 90 Pbam atom x y z occ Biso AlM1 0 0 0 .985 .29 CoM1 0 0 0 .015 .29 AlT .1497 .3398 .5 .4925 .42 SiT .1497 .3398 .5 .3675 .42 AlT' .264 .203 .5 .14 .41 Oab .3581 .4216 .5 .22 Od .1289 .2202 0 .40 Oc .5 0 .5 .58 .85 Oc' .447 .056 .5 .14 1.08