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: Nonstoichiometric with xAl = 0.05
Locality: synthetic
_database_code_amcsd 0009078
4.7785 4.9326 6.9059 90 90 90 Pbnm
atom     x     y     z  occ Biso
Mg   .9863 .0530   .25  .99 1.00
Al   .9863 .0530   .25  .01 1.00
Si       0    .5     0  .96  .36
Al       0    .5     0  .04  .36
O1   .1006 .4662   .25 .995 1.05
O2   .6983 .2958 .0538 .995  .85