Mg2SiO4
Baur W H
American Mineralogist 57 (1972) 709-731
Computer-simulated crystal structures of observed and hypothetical Mg2SiO4
polymorphs of low and high density
Model I
Locality: hypothetical
_database_code_amcsd 0000280
10.11 5.77 4.70 90 90. 90 P2/m
atom     x     y     z
Si1  .8420    .5 .8752
Si2  .3226     0 .8824
Mg1     .5    .5     0
Mg2      0     0    .5
Mg3      0    .5    .5
Mg4     .5     0    .5
Mg5  .2482 .2527 .4990
O1   .3154    .5 .2105
O2   .1642    .5 .7757
O3   .8305     0 .2334
O4   .3330     0 .2309
O5   .0851 .2601 .2287
O6   .5932 .2281 .2210