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 = 3.22 GPa
_database_code_amcsd 0002076
9.6540 9.9387 3.7218 90 90 90 Bbmm
atom     x     y z  occ Biso
Mg1  .8045   .25 0  .93  .50
Ti1  .8045   .25 0  .07  .50
Ti2  .1335 .4333 0 .965  .37
Mg2  .1335 .4333 0 .035  .37
O1   .2197   .25 0       .56
O2   .0461 .8858 0       .73
O3   .3141 .9377 0       .55