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 P1400, x(Ti) in M1 = .485, P = 7.51 GPa
_database_code_amcsd 0002086
9.6080 9.8024 3.7114 90 90 90 Bbmm
atom     x     y z   occ Biso
Mg1  .8066   .25 0  .515  .56
Ti1  .8066   .25 0  .485  .56
Ti2  .1357 .4367 0 .7575  .54
Mg2  .1357 .4367 0 .2425  .54
O1   .2354   .25 0        .74
O2   .0471 .8821 0        .82
O3   .3137 .9310 0        .66