Forsterite
Heinemann R, Kroll H, Kirfel A, Barbier B
European Journal of Mineralogy 19 (2007) 15-27
Order and anti-order in olivine III: variation of the cation distribution
in the Fe,Mg olivine solid solution series with temperature and composition
Locality: Saar-Nahe basin, Germany
Sample: CSR-2, T = 20 C
_database_code_amcsd 0007189
4.7733 10.2676 6.0112 90 90 90 Pbnm
atom      x      y      z occ U(1,1) U(2,2) U(3,3) U(1,2) U(1,3) U(2,3)
Si   .42722 .09491    .25      .0046  .0068  .0055  .0001      0      0
MgM1      0      0      0 .76  .0057  .0097  .0054  .0001 -.0006 -.0013
FeM1      0      0      0 .24  .0057  .0097  .0054  .0001 -.0006 -.0013
MgM2 .98864 .27808    .25 .79  .0077  .0066  .0060  .0001      0      0
FeM2 .98864 .27808    .25 .21  .0077  .0066  .0060  .0001      0      0
O1   .76600 .09183    .25      .0050  .0094  .0051  .0002      0      0
O2   .21854 .44857    .25      .0068  .0065  .0064 -.0002      0      0
O3   .27999 .16359 .03428      .0055  .0092  .0073  .0000 -.0003  .0014