Bridgmanite
Kojitani H, Katsura T, Akaogi M
Physics and Chemistry of Minerals 34 (2007) 257-267
Aluminum substitution mechanisms in perovskite-type MgSiO3: an investigation by Rietveld analysis
Sample: Stoichiometric with xAl = 0.05
Locality: synthetic
_database_code_amcsd 0009080
4.7783 4.9327 6.9051 90 90 90 Pbnm
atom     x     y     z  occ Biso
Mg   .9848 .0556   .25 .975  .69
Al   .9847 .0548   .25 .025  .69
Si       0    .5     0 .975  .76
Al       0    .5     0 .025  .76
O1   .1058 .4640   .25        .9
O2   .6944 .2986 .0529        .9