Liebenbergite
Ottonello G, Della Giusta A, Molin G M
American Mineralogist 74 (1989) 411-421
Cation ordering in Ni-Mg olivines
sample Ni.63, synthesized at 900 C, then quenched
Mg.634Ni1.363SiO4
_database_code_amcsd 0001224
4.7393 10.1620 5.9330 90 90 90 Pbnm
atom     x     y     z occ Biso
Ni1      0     0     0 .87 0.54
Mg1      0     0     0 .13 0.54
Ni2  .9912 .2748   .25 .47 0.57
Mg2  .9912 .2748   .25 .53 0.57
Si   .4259 .0930   .25     0.51
O1   .7692 .0930   .25     0.62
O2   .2174 .4454   .25     0.60
O3   .2760 .1629 .0319     0.73