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, 3 min
_database_code_amcsd 0001233
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  .3758 .6540 .8649 .947 0.0074 0.0084 0.0071  .0000 -.0006  .0002
Fe1  .3758 .6540 .8649 .053 0.0074 0.0084 0.0071  .0000 -.0006  .0002
Mg2  .3784 .4832 .3582 .843 0.0111 0.0133 0.0091 -.0017 -.0020 -.0005
Fe2  .3784 .4832 .3582 .157 0.0111 0.0133 0.0091 -.0017 -.0020 -.0005
SiA  .2714 .3417 .0471      0.0065 0.0085 0.0073 -.0004  .0002  .0001
SiB  .4735 .3372 .8018      0.0066 0.0090 0.0082  .0002 -.0002  .0002
O1   .1830 .3392 .0347      0.0060 0.0113 0.0111 -.0001  .0003  .0003
O2   .3106 .5032 .0428      0.0099 0.0088 0.0105 -.0011 -.0010  .0009
O3   .3026 .2249 .8255      0.0082 0.0137 0.0095 -.0009 -.0005 -.0027
O4   .5630 .3383 .8039      0.0066 0.0125 0.0107 -.0002 -.0002  .0011
O5   .4332 .4849 .6911      0.0103 0.0124 0.0111  .0004 -.0004  .0018
O6   .4470 .1952 .6056      0.0086 0.0135 0.0128 -.0005 -.0002 -.0040