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: Mg75Ni25 at room temperature
_database_code_amcsd 0002676
4.7473 10.196 5.9597 90 90 90 Pbnm
atom     x     y     z  occ Biso
Ni1      0     0     0 .424 0.39
Mg1      0     0     0 .576 0.39
Ni2  .9908 .2765   .25 .076 0.45
Mg2  .9908 .2765   .25 .924 0.45
Si   .4256 .0937   .25      0.26
O1   .7670 .0927   .25      0.42
O2   .2208 .4464   .25      0.45
O3   .2763 .1627 .0325      0.45