Ferrosilite
Sueno S, Cameron M, Prewitt C T
American Mineralogist 61 (1976) 38-53
Orthoferrosilite: High-temperature crystal chemistry
T = 900 deg C
_database_code_amcsd 0000491
18.596 9.1685 5.3113 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  .37492 .6510 .8968 .00141 .00695 .01476  .00007 -.00080 -.00020
Fe2  .37641 .4886 .3926 .00202 .00967 .02152 -.00021 -.00212  .00074
Si1  .27267 .3371 .0675 .00081 .00588 .01284 -.00024  .00001 -.00065
Si2  .47520 .3358 .7742 .00088 .00525 .01317  .00021 -.00054  .00080
O1A   .1856 .3386 .0648 .00098 .00901 .01826 -.00050  .00007  .00083
O2A   .3115 .4917 .0856 .00234 .00628 .02011 -.00113 -.00057 -.00051
O3A   .3013 .2470 .8239 .00102 .01334 .01542  .00017 -.00056 -.00719
O1B   .5622 .3396 .7731 .00098 .00858 .02088 -.00087 -.00069 -.00132
O2B   .4342 .4846 .7077 .00206 .00690 .01889  .00160 -.00032  .00234
O3B   .4500 .2189 .5521 .00160 .01125 .01886 -.00081  .00041 -.00592