Ferrosilite
Sueno S, Cameron M, Prewitt C T
American Mineralogist 61 (1976) 38-53
Orthoferrosilite: High-temperature crystal chemistry
T = 600 deg C
_database_code_amcsd 0000489
18.527 9.145 5.2756 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  .37517 .65204 .8869 .00102 .00501 .01093  .00009 -.00052  .00033
Fe2  .37714 .48760 .3805 .00138 .00709 .01562 -.00022 -.00153  .00066
Si1  .27247  .3376 .0598 .00067 .00423 .00843 -.00026 -.00001 -.00052
Si2  .47411  .3350 .7827 .00064 .00425 .00868  .00018 -.00030 -.00041
O1A   .1854  .3393 .0532 .00067 .00557 .01413 -.00015  .00005 -.00016
O2A   .3112  .4932 .0756 .00172 .00479 .01616 -.00081 -.00026  .00024
O3A   .3014  .2434 .8192 .00080 .00876 .01239  .00000 -.00030 -.00642
O1B   .5613  .3379 .7812 .00084 .00734 .01387 -.00062 -.00031  .00061
O2B   .4340  .4825 .7011 .00147 .00478 .01566  .00096 -.00066  .00118
O3B   .4487  .2100 .5719 .00117 .00662 .01291 -.00055  .00088 -.00257