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 Le9A, 1050 C, 10 min
_database_code_amcsd 0001240
18.250 8.829 5.191 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  .3759 .6540 .8666 .961 0.0080 0.0080 0.0072 -.0001 -.0005  .0003
Fe1  .3759 .6540 .8666 .039 0.0080 0.0080 0.0072 -.0001 -.0005  .0003
Mg2  .3775 .4850 .3598 .868 0.0107 0.0111 0.0085 -.0014 -.0016 -.0002
Fe2  .3775 .4850 .3598 .132 0.0107 0.0111 0.0085 -.0014 -.0016 -.0002
SiA  .2716 .3415 .0496      0.0061 0.0077 0.0064 -.0007 -.0001 -.0001
SiB  .4736 .3371 .7989      0.0069 0.0075 0.0068  .0001 -.0003  .0001
O1   .1834 .3396 .0358      0.0059 0.0094 0.0089 -.0001  .0000 -.0005
O2   .3109 .5020 .0442      0.0101 0.0079 0.0097 -.0018 -.0009  .0008
O3   .3029 .2245 .8289      0.0079 0.0118 0.0075  .0000  .0000 -.0020
O4   .5625 .3395 .8001      0.0058 0.0093 0.0090  .0002  .0002  .0006
O5   .4331 .4837 .6904      0.0096 0.0100 0.0089  .0016 -.0006  .0009
O6   .4474 .1958 .6031      0.0083 0.0110 0.0086 -.0003 -.0003 -.0019