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 = 6.20 GPa
_database_code_amcsd 0002085
9.6327 9.8302 3.7177 90 90 90 Bbmm
atom     x     y z   occ Biso
Mg1  .8072   .25 0  .515  .49
Ti1  .8072   .25 0  .485  .49
Ti2  .1358 .4365 0 .7575  .53
Mg2  .1358 .4365 0 .2425  .53
O1   .2344   .25 0        .71
O2   .0474 .8829 0        .66
O3   .3128 .9310 0        .69