Magnesiotaaffeite-6N3S
Nuber B, Schmetzer K
Neues Jahrbuch fur Mineralogie, Monatshefte 1983 (1983) 393-402
Crystal structure of ternary Be-Mg-Al oxides: taaffeite, BeMg3Al8O16,
and musgravite, BeMg2Al6O12
Note: formerly known as musgravite-18R
Locality: Casey Bay, Antarctica
_database_code_amcsd 0014776
5.682 5.682 41.15 90 90 120 R-3m
atom     x     y     z occ  Uiso
Mg1    1/3   2/3 .1203 .83 .0023
Fe1    1/3   2/3 .1203 .17 .0023
Fe2    2/3   1/3 .0137  .3 .0056
Mg2    2/3   1/3 .0137 .42 .0056
Zn2    2/3   1/3 .0137 .28 .0056
Al1      0     0     0     .0033
Al2  .1668 .3336 .0573     .0032
Al3      0    .5    .5     .0031
Al4    2/3   1/3 .0967     .0025
Be       0     0 .1210     .0056
O1   .2936 .1468 .0300     .0042
O2     1/3   2/3 .0343     .0030
O3   .4948 .9897 .0824     .0042
O4       0     0 .0819     .0036
O5   .1462 .2924 .1409     .0040
O6     2/3   1/3 .1401     .0038