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 = 2.16 GPa
_database_code_amcsd 0002082
9.7166 9.9275 3.7369 90 90 90 Bbmm
atom     x     y z   occ Biso
Mg1  .8081   .25 0  .515  .55
Ti1  .8081   .25 0  .485  .55
Ti2  .1357 .4367 0 .7575  .55
Mg2  .1357 .4367 0 .2425  .55
O1   .2339   .25 0       1.03
O2   .0472 .8832 0        .82
O3   .3112 .9301 0        .81