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, 1050 C, 90 min
_database_code_amcsd 0001235
18.244 8.805 5.196 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 .6539 .8649 .945 0.0091 0.0068 0.0087  .0000 -.0005  .0001
Fe1  .3759 .6539 .8649 .055 0.0091 0.0068 0.0087  .0000 -.0005  .0001
Mg2  .3784 .4832 .3582 .845 0.0128 0.0111 0.0104 -.0016 -.0020 -.0002
Fe2  .3784 .4832 .3582 .155 0.0128 0.0111 0.0104 -.0016 -.0020 -.0002
SiA  .2714 .3417 .0472      0.0078 0.0069 0.0088 -.0008  .0003 -.0002
SiB  .4735 .3373 .8017      0.0080 0.0075 0.0095  .0003 -.0004  .0003
O1   .1830 .3395 .0352      0.0084 0.0094 0.0127 -.0003 -.0002 -.0003
O2   .3108 .5032 .0425      0.0123 0.0070 0.0123 -.0018 -.0004 -.0005
O3   .3026 .2248 .8256      0.0103 0.0109 0.0102  .0000  .0001 -.0030
O4   .5630 .3383 .8036      0.0084 0.0101 0.0121 -.0008  .0003  .0008
O5   .4332 .4847 .6908      0.0121 0.0106 0.0126  .0011  .0000  .0025
O6   .4471 .1953 .6052      0.0099 0.0113 0.0143  .0006 -.0005 -.0039