Magnesioferrite
Boiocchi M, Caucia F, Merli M, Prella D, Ungaretti L
European Journal of Mineralogy 13 (2001) 871-881
Crystal-chemical reasons for the immiscibility of periclase and wustite
under lithospheric P,T conditions
Sample: after heating to 1100 deg C
_database_code_amcsd 0006905
8.385 8.385 8.385 90 90 90 *Fd3m
.125 .125 .125
atom     x     y     z occ Biso
MgT   .125  .125  .125 .30  .43
FeT   .125  .125  .125 .70  .43
MgM     .5    .5    .5 .37  .48
FeM     .5    .5    .5 .63  .48
O    .2566 .2566 .2566      .51