TAPP-tetragonal Mg1.95Ca.33Fe3.13Ge2.52O12
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 0002470
6.8217 6.8217 18.7818 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     .0097  .0093  .0093  .0104      0      0      0
Ge2  -.16313   -.25    .125 .76 .0111  .0157  .0082  .0094      0      0  .0000
Fe2  -.16313   -.25    .125 .24 .0111  .0157  .0082  .0094      0      0  .0000
Ca1        0      0       0 .33 .0143  .0111  .0111  .0205      0      0      0
Mg1        0      0       0 .41 .0143  .0111  .0111  .0205      0      0      0
Fe1        0      0       0 .18 .0143  .0111  .0111  .0205      0      0      0
Mg2   .25705   -.25    .125 .24 .0103  .0132  .0083  .0093      0      0 -.0013
Fe2   .25705   -.25    .125 .76 .0103  .0132  .0083  .0093      0      0 -.0013
Mg3        0     .5 -.02129 .52 .0088  .0075  .0096  .0094  .0002      0      0
Fe3        0     .5 -.02129 .48 .0088  .0075  .0096  .0094  .0002      0      0
O1     .0138 -.2870  .05521     .0153  .0128  .0205  .0126  .0004  .0020 -.0041
O2    -.2690 -.0288   .0965     .0173  .0183  .0140  .0195  .0038  .0064  .0050
O3     .4500 -.2846   .0464     .0159  .0244  .0096  .0136 -.0004  .0056 -.0012