Ominelite
Dzikowski T J, Groat L A, Grew E S
American Mineralogist 92 (2007) 863-872
The geometric effects of VFe2+ for VMg substitution on the crystal structures
of the grandidierite-ominelite series
Sample: G9
Locality: Almgjotheii, Rogaland, Norway
_database_code_amcsd 0004354
10.3450 11.0519 5.7656 90 90 90 Pbnm
atom       x      y      z  occ  Uiso U(1,1) U(2,2) U(3,3) U(1,2) U(1,3) U(2,3)
Mg    .09462 .21896    .25 .478 .0080  .0094  .0078  .0069 -.0017      0      0
Fe    .09462 .21896    .25 .522 .0080  .0094  .0078  .0069 -.0017      0      0
Al1        0      0      0      .0060  .0059  .0070  .0050  .0002 -.0002  .0000
Al2       .5      0      0      .0061  .0052  .0083  .0049 -.0002  .0002  .0006
Al3   .22649 .44811    .25      .0061  .0053  .0078  .0052 -.0003      0      0
B      .2510  .0003    .75      .0077  .0086  .0081  .0066  .0002      0      0
Si    .43431 .26345    .25      .0062  .0068  .0062  .0056 -.0000      0      0
O1     .2765  .2898    .25      .0092  .0060  .0084  .0131 -.0003      0      0
O2     .1181  .0205    .25      .0069  .0060  .0090  .0055  .0002      0      0
O3     .1211 -.0037    .75      .0077  .0064  .0111  .0055  .0001      0      0
O4     .4740  .1208    .25      .0080  .0099  .0073  .0068  .0009      0      0
O5     .5464  .0981    .75      .0069  .0073  .0075  .0058 -.0007      0      0
O6   -.00701 .17034 -.0231      .0083  .0104  .0072  .0074  .0000 -.0017  .0004
O7    .18070 .50116 -.0453      .0087  .0063  .0140  .0058  .0001  .0003  .0008