Liebenbergite
Chen J, Li R, Parise J B, Weidner D J
American Mineralogist 81 (1996) 1519-1522
Pressure-induced ordering in (Ni,Mg)2SiO4 olivine
Sample: 4 GPa and 800 C, 40 min
_database_code_amcsd 0001847
4.7325 10.1454 5.9313 90 90 90 Pbnm
atom     x     y     z  occ Uiso
Ni1      0     0     0 .754 .017
Mg1      0     0     0 .246 .017
Ni2  .9873 .2760   .25 .246 .017
Mg2  .9873 .2760   .25 .754 .017
Si   .4268 .0940   .25      .011
O1   .7719 .0884   .25      .007
O2   .2254 .4469   .25      .007
O3   .2814 .1613 .0346      .007