Ferrosilite
Sueno S, Cameron M, Prewitt C T
American Mineralogist 61 (1976) 38-53
Orthoferrosilite: High-temperature crystal chemistry
T = 800 deg C
_database_code_amcsd 0000490
18.569 9.16 5.2974 90 90 90 Pbca
atom      x     y     z B(1,1) B(2,2) B(3,3)  B(1,2)  B(1,3)  B(2,3)
Fe1  .37499 .6513 .8926 .00133 .00617 .01322  .00014 -.00064  .00052
Fe2  .37666 .4885 .3879 .00180 .00884 .01937 -.00028 -.00192  .00032
Si1  .27259 .3369 .0644 .00073 .00535 .01049 -.00026 -.00001 -.00110
Si2  .47462 .3358 .7783 .00081 .00474 .01161  .00025 -.00041  .00089
O1A   .1855 .3390 .0605 .00066 .00840 .01380 -.00035  .00111  .00112
O2A   .3115 .4926 .0832 .00168 .00671 .02059 -.00084 -.00040  .00013
O3A   .3011 .2450 .8227 .00104 .01293 .01406  .00010  .00061 -.00730
O1B   .5617 .3392 .7771 .00069 .00809 .01930 -.00057 -.00044 -.00053
O2B   .4339 .4832 .7064 .00179 .00663 .01772  .00151 -.00012  .00199
O3B   .4488 .2167 .5604 .00138 .00934 .01916 -.00072  .00075 -.00654