Pyroxene
Molin G M
American Mineralogist 74 (1989) 593-598
Crystal-chemical study of cation disordering in Al-rich and Al-poor
orthopyroxenes from spinel lherzolite xenoliths
sample Le4A, 1150 C, 10 min
_database_code_amcsd 0001237
18.242 8.803 5.198 90 90 90 Pbca
atom     x     y     z  occ U(1,1) U(2,2) U(3,3) U(1,2) U(1,3) U(2,3)
Mg1  .3758 .6540 .8651 .941 0.0090 0.0071 0.0098  .0004 -.0003  .0001
Fe1  .3758 .6540 .8651 .059 0.0090 0.0071 0.0098  .0004 -.0003  .0001
Mg2  .3784 .4831 .3582 .846 0.0126 0.0111 0.0112 -.0018 -.0019 -.0002
Fe2  .3784 .4831 .3582 .154 0.0126 0.0111 0.0112 -.0018 -.0019 -.0002
SiA  .2714 .3417 .0473      0.0080 0.0068 0.0096 -.0005  .0003 -.0001
SiB  .4735 .3372 .8015      0.0079 0.0075 0.0105 -.0001 -.0006  .0005
O1   .1830 .3392 .0354      0.0077 0.0101 0.0125  .0005  .0004  .0002
O2   .3107 .5031 .0426      0.0122 0.0076 0.0138 -.0013 -.0004 -.0002
O3   .3026 .2249 .8256      0.0109 0.0103 0.0108 -.0008  .0008 -.0025
O4   .5630 .3384 .8033      0.0090 0.0098 0.0127 -.0001  .0003  .0003
O5   .4331 .4849 .6908      0.0124 0.0109 0.0124  .0013 -.0008  .0025
O6   .4470 .1952 .6049      0.0109 0.0121 0.0142 -.0001 -.0003 -.0048