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.13, natural
_database_code_amcsd 0001755
18.316 8.907 5.218 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  .27149 .34060  .05180      .00044 .00135 .00294 -.00013 -.00001 -.00008
Sib  .47403 .33660  .79535      .00047 .00154 .00219  .00014  .00009  .00001
Mg1  .37540 .65459  .87426 .896 .00056 .00177 .00263  .00000 -.00015  .00015
Fe1  .37540 .65459  .87426 .104 .00056 .00177 .00263  .00000 -.00015  .00015
Fe2  .37797 .48308  .36794 .703 .00062 .00245 .00259 -.00012 -.00048 -.00008
Mg2  .37797 .48308  .36794 .254 .00062 .00245 .00259 -.00012 -.00048 -.00008
Ca2  .37797 .48308  .36794 .043 .00062 .00245 .00259 -.00012 -.00048 -.00008
O1a  .18355 .33731  .04361      .00046 .00239 .00322 -.00010  .00033  .00016
O1b  .56266 .33632  .79552      .00042 .00255 .00364  .00011 -.00036  .00031
O2a  .31117 .50053  .05332      .00069 .00192 .00466 -.00020 -.00058  .00004
O2b  .43402 .48555  .69789      .00070 .00249 .00455  .00032 -.00019  .00076
O3a  .30233 .23184 -.17642      .00060 .00273 .00635  .00001  .00036 -.00239
O3b  .44739 .20280  .59356      .00062 .00280 .00649 -.00003 -.00014 -.00234