Ferrosilite
Burnham C W, Ohashi Y, Hafner S S, Virgo D
American Mineralogist 56 (1971) 850-876
Cation distribution and atomic thermal vibrations in an iron-rich orthopyroxene
_database_code_amcsd 0000247
18.405 9.0338 5.2390 90 90 90 Pbca
atom      x      y       z occ B(1,1) B(2,2) B(3,3)  B(1,2)  B(1,3)  B(2,3)
SiA  .27194 .33944  .04905     .00022 .00158 .00366 -.00008  .00007 -.00012
SiB  .47343 .33490  .79113     .00026 .00159 .00364  .00008       0  .00014
Fe1  .37566 .65424  .87451 .75 .00043 .00192 .00506 -.00001 -.00010 -.00012
Mg1  .37566 .65424  .87451 .25 .00043 .00192 .00506 -.00001 -.00010 -.00012
Fe2  .37795 .48456  .36682 .96 .00060 .00288 .00646 -.00012 -.00046  .00013
Ca2  .37795 .48456  .36682 .04 .00060 .00288 .00646 -.00012 -.00046  .00013
O1a  .18427 .33889  .03899     .00022 .00194 .00567       0  .00010 -.00025
O2a  .31130 .49661  .05755     .00047 .00157 .00513 -.00016 -.00010 -.00015
O3a  .30229 .23575 -.18414     .00032 .00301 .00455 -.00004  .00004 -.00106
O1b  .56154 .33620  .78991     .00024 .00227 .00662       0 -.00001  .00023
O2b  .43335 .48202  .69459     .00053 .00203 .00612  .00025  .00041  .00051
O3b  .44735 .20274  .58737     .00037 .00259 .00569 -.00014  .00017 -.00113