Liebenbergite
Ottonello G, Della Giusta A, Molin G M
American Mineralogist 74 (1989) 411-421
Cation ordering in Ni-Mg olivines
sample Ni.63, heated to 1150 C, then quenched
Mg.634Ni1.363SiO4
_database_code_amcsd 0001226
4.7370 10.1616 5.9337 90 90 90 Pbnm
atom     x     y     z  occ Biso
Ni1      0     0     0 .864 0.54
Mg1      0     0     0 .136 0.54
Ni2  .9916 .2744   .25 .535 0.56
Mg2  .9916 .2744   .25 .465 0.56
Si   .4266 .0938   .25      0.50
O1   .7679 .0931   .25      0.59
O2   .2178 .4454   .25      0.57
O3   .2745 .1626 .0312      0.62