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 = 4.34 GPa
_database_code_amcsd 0002084
9.6737 9.8769 3.7271 90 90 90 Bbmm
atom     x     y z   occ Biso
Mg1  .8074   .25 0  .515  .49
Ti1  .8074   .25 0  .485  .49
Ti2  .1357 .4367 0 .7575  .48
Mg2  .1357 .4367 0 .2425  .48
O1   .2339   .25 0        .89
O2   .0474 .8828 0        .68
O3   .3123 .9307 0        .70