Forsterite
Henderson C M B, Redfern S A T, Smith R I, Knight K S, Charnock J M
American Mineralogist 86 (2001) 1170-1187
Composition and temperature dependence of cation ordering in Ni-Mg olivine solid solutions:
A time-of-flight neutron powder diffraction and EXAFS study
Sample: Mg50Ni50 at T = 600 C
_database_code_amcsd 0002687
4.76419 10.2603 5.98710 90 90 90 Pbnm
atom     x     y     z  occ Biso
Ni1      0     0     0 .730 0.91
Mg1      0     0     0 .270 0.91
Ni2  .9911 .2767   .25 .270 0.95
Mg2  .9911 .2767   .25 .730 0.95
Si   .4254 .0929   .25      0.60
O1   .7672 .0935   .25      0.94
O2   .2215 .4467   .25      0.92
O3   .2759 .1619 .0326      0.94