(Fe.447Mg.417Ru.115Ir.021)2(Fe.771Mg.229)O4 Righter K, Downs R T Geophysical Research Letters 28 (2001) 619-622 The crystal structures of synthetic Re- and PGE-bearing magnesioferrite spinels: Implications for impacts, accretion and the mantle Sample: 115 _database_code_amcsd 0012668 8.4034 8.4034 8.4034 90 90 90 *Fd3m .125 .125 .125 atom x y z occ Biso B(1,1) B(2,2) B(3,3) B(1,2) B(1,3) B(2,3) FeM .5 .5 .5 .447 .62 .00221 .00221 .00221 -.00005 -.00005 -.00005 MgM .5 .5 .5 .417 .62 .00221 .00221 .00221 -.00005 -.00005 -.00005 RuM .5 .5 .5 .115 .62 .00221 .00221 .00221 -.00005 -.00005 -.00005 IrM .5 .5 .5 .021 .62 .00221 .00221 .00221 -.00005 -.00005 -.00005 FeT .125 .125 .125 .771 .61 .00217 .00217 .00217 0 0 0 MgT .125 .125 .125 .229 .61 .00217 .00217 .00217 0 0 0 O .2567 .2567 .2567 .71 .00251 .00251 .00251 -.00003 -.00003 -.00003