Forsterite
Brown G E, Prewitt C T
American Mineralogist 58 (1973) 577-587
High-temperature crystal chemistry of hortonolite
sample #12052 at T = 710 C
Note: variety hortonolite
_database_code_amcsd 0000327
4.805 10.366 6.068 90 90 90 Pbnm
atom     x     y     z  occ B(1,1) B(2,2) B(3,3) B(1,2) B(1,3) B(2,3)
Si   .4274 .0950   .25       .0069  .0024  .0081  .0001      0      0
Mg1      0     0     0 .670  .0111  .0045  .0093 -.0002 -.0015 -.0017
Fe1      0     0     0 .330  .0111  .0045  .0093 -.0002 -.0015 -.0017
Mg2  .9892 .2792   .25 .710  .0146  .0027  .0103  .0001      0      0
Fe2  .9892 .2792   .25 .280  .0146  .0027  .0103  .0001      0      0
Ca2  .9892 .2792   .25 .010  .0146  .0027  .0103  .0001      0      0
O1   .7650 .0925   .25       .0074  .0036  .0124  .0009      0      0
O2   .2169 .4507   .25       .0119  .0032  .0101 -.0001      0      0
O3   .2829 .1636 .0357       .0131  .0044  .0108  .0005 -.0002  .0017