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, 2 min
_database_code_amcsd 0001236
18.246 8.809 5.197 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 .6539 .8649 .940 0.0080 0.0092 0.0079  .0002 -.0006  .0001
Fe1  .3758 .6539 .8649 .060 0.0080 0.0092 0.0079  .0002 -.0006  .0001
Mg2  .3784 .4832 .3583 .847 0.0115 0.0134 0.0096 -.0017 -.0018 -.0003
Fe2  .3784 .4832 .3583 .153 0.0115 0.0134 0.0096 -.0017 -.0018 -.0003
SiA  .2714 .3417 .0472      0.0069 0.0090 0.0076 -.0004  .0001  .0000
SiB  .4735 .3372 .8016      0.0071 0.0090 0.0085  .0001 -.0002  .0002
O1   .1830 .3393 .0349      0.0074 0.0120 0.0111  .0004 -.0001 -.0002
O2   .3107 .5030 .0425      0.0107 0.0104 0.0111 -.0012 -.0006  .0004
O3   .3026 .2250 .8259      0.0097 0.0140 0.0094 -.0005  .0007 -.0028
O4   .5630 .3386 .8035      0.0082 0.0113 0.0108 -.0004 -.0008  .0006
O5   .4334 .4851 .6910      0.0111 0.0132 0.0118  .0017  .0000  .0022
O6   .4470 .1949 .6062      0.0092 0.0132 0.0136  .0000 -.0001 -.0038