Enstatite
Domeneghetti M C, Molin G M, Stimpfl M, Tribaudino M
American Mineralogist 80 (1995) 923-929
Orthopyroxene from the Serra de Mage meteorite: Structure refinement and
estimation of C2/c pyroxene contributions to apparent Pbca diffraction
violations
Sample: OPX SDM N.7, heated
_database_code_amcsd 0001756
18.320 8.917 5.219 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  .27178 .34044  .05067      .00035 .00100 .00544 -.00020 -.00014  .00006
Sib  .47383 .33640  .79521      .00044 .00132 .00450  .00021  .00028  .00020
Fe1  .37558 .65406  .87255 .232 .00044 .00145 .00435 -.00003  .00008  .00008
Mg1  .37558 .65406  .87255 .768 .00044 .00145 .00435 -.00003  .00008  .00008
Fe2  .37776 .48319  .36681 .570 .00057 .00271 .00439 -.00010 -.00033 -.00006
Mg2  .37776 .48319  .36681 .387 .00057 .00271 .00439 -.00010 -.00033 -.00006
Ca2  .37776 .48319  .36681 .043 .00057 .00271 .00439 -.00010 -.00033 -.00006
O1a  .18414 .33775  .03730      .00031 .00196 .00475 -.00008 -.00009  .00090
O1b  .56235 .33755  .79219      .00021 .00280 .00449  .00011 -.00009  .00101
O2a  .31098 .49976  .04844      .00038 .00262 .00658 -.00036 -.00045  .00053
O2b  .43401 .48420  .69768      .00054 .00341 .00609  .00020 -.00002  .00020
O3a  .30222 .23043 -.17242      .00060 .00300 .00629 -.00038  .00063 -.00173
O3b  .44755 .20209  .59672      .00067 .00262 .00584  .00005 -.00002 -.00273