Pseudobrookite
Yang H, Hazen R M
American Mineralogist 84 (1999) 130-137
Comparative high-pressure crystal chemistry of karrooite, MgTi2O5, with
different ordering states
Sample P600, x(Ti) in M1 = .070, P = 1.03 GPa
_database_code_amcsd 0002074
9.6944 9.9924 3.7316 90 90 90 Bbmm
atom     x     y z  occ Biso
Mg1  .8050   .25 0  .93  .51
Ti1  .8050   .25 0  .07  .51
Ti2  .1334 .4332 0 .965  .39
Mg2  .1334 .4332 0 .035  .39
O1   .2195   .25 0       .63
O2   .0459 .8862 0       .71
O3   .3140 .9380 0       .54