TAPP-tetragonal Mg2.12Fe3.17Ge2.56O12
Levy D, Barbier J
American Mineralogist 85 (2000) 1053-1060
(Mg,Fe).85(Mg,Fe)4(Fe,Ge)3O12: A new tetragonal phase with its comparison
with garnet
_database_code_amcsd 0002469
6.8153 6.8153 18.6690 90 90 90 I-42d
atom       x     y       z occ  Uiso U(1,1) U(2,2) U(3,3) U(1,2) U(1,3) U(2,3)
Ge1       .5    .5       0     .0099  .0086  .0086  .0123      0      0      0
Ge2  -.16216   .25    .125 .78 .0110  .0147  .0075  .0106      0      0 -.0003
Fe2  -.16216   .25    .125 .22 .0110  .0147  .0075  .0106      0      0 -.0003
Mg1        0     0       0 .52 .0191  .0114  .0114  .0344      0      0      0
Fe1        0     0       0 .33 .0191  .0114  .0114  .0344      0      0      0
Mg2    .2564   .25    .125 .22 .0100  .0124  .0072  .0103      0      0 -.0016
Fe2    .2564   .25    .125 .78 .0100  .0124  .0072  .0072      0      0 -.0016
Mg3        0    .5 -.02186 .56 .0087  .0067  .0091  .0103  .0000      0      0
Fe3        0    .5 -.02186 .44 .0087  .0067  .0091  .0103  .0000      0      0
O1     .0137 .2815   .0540     .0132  .0124  .0156  .0114 -.0007  .0018  .0011
O2    -.2708 .0285   .0983     .0179  .0182  .0137  .0218 -.0038 -.0075  .0049
O3     .4500 .2836   .0464     .0163   .025  .0080  .0156  .0009  .0053  .0005