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 = 3.22 GPa
_database_code_amcsd 0002083
9.6949 9.9022 3.7313 90 90 90 Bbmm
atom     x     y z   occ Biso
Mg1  .8078   .25 0  .515  .51
Ti1  .8078   .25 0  .485  .51
Ti2  .1358 .4368 0 .7575  .57
Mg2  .1358 .4368 0 .2425  .57
O1   .2342   .25 0       1.14
O2   .0473 .8827 0        .94
O3   .3125 .9312 0        .80