Liebenbergite
Ottonello G, Della Giusta A, Molin G M
American Mineralogist 74 (1989) 411-421
Cation ordering in Ni-Mg olivines
sample Ni.51, heated to 1300 C, then quenched
MgNiSiO4
_database_code_amcsd 0001223
4.7398 10.1773 5.9443 90 90 90 Pbnm
atom     x     y     z  occ Biso
Ni1      0     0     0 .705 0.64
Mg1      0     0     0 .295 0.64
Ni2  .9911 .2752   .25 .294 0.67
Mg2  .9911 .2752   .25 .706 0.67
Si   .4262 .0936   .25      0.57
O1   .7669 .0926   .25      0.74
O2   .2194 .4462   .25      0.66
O3   .2765 .1622 .0320      0.70