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, 109 min
_database_code_amcsd 0001849
4.7322 10.1453 5.9309 90 90 90 Pbnm
atom     x     y     z  occ Uiso
Ni1      0     0     0 .762 .016
Mg1      0     0     0 .238 .016
Ni2  .9892 .2762   .25 .238 .016
Mg2  .9892 .2762   .25 .762 .016
Si   .4260 .0939   .25      .017
O1   .7687 .0890   .25      .010
O2   .2259 .4450   .25      .010
O3   .2804 .1626 .0326      .010