Wadsleyite
Baur W H
American Mineralogist 57 (1972) 709-731
Computer-simulated crystal structures of observed and hypothetical Mg2SiO4
Polymorphs of low and high density
Locality: hypothetical
_database_code_amcsd 0000277
8.16 11.68 5.71 90 90 90 Ibmm
atom     x     y     z
Si   .1303 .1255   .25
Mg1  .2297     0   .75
Mg2    .25   .25   .75
Mg3      0 .3701     0
O1   .0300     0   .25
O2   .4799     0   .75
O3   .0040 .2348   .25
O4   .2557 .3751 .0168