FeMnSiO4
Redfern S A T, Henderson C M B, Knight K S, Wood B J
European Journal of Mineralogy 9 (1997) 287-300
High-temperature order-disorder in (Fe0.5Mn0.5)2SiO4 and (Mg0.5Mn0.5)2SiO4
olivines: an in situ neutron diffraction study
Sample: T = 1000 C
_database_code_amcsd 0006670
4.9067 10.6964 6.2491 90 90 90 Pbnm
atom     x     y     z  occ Biso
FeM1     0     0     0 .621  2.5
MnM1     0     0     0 .379  2.5
MnM2  .985 .2894   .25 .621  2.5
FeM2  .985 .2894   .25 .379  2.5
Si   .4278 .0963   .25      1.63
O1   .7625 .0942   .25      2.44
O2   .2127 .4562   .25      2.71
O3   .2895 .1651 .0417      2.57