Ferronigerite-2N1S
Arakcheeva A V, Pushcharovskii D Y, Rastsvetaeva R K, Kashaev A A, Nadezhina T N
Kristallografiya 40 (1995) 639-644
Crystal structure of nigerite-6H
Locality: Eastern Siberia, Irkutsk, Russia
_database_code_amcsd 0018796
5.717 5.717 13.80 90 90 120 P-3m1
atom     x     y     z occ Biso
AlM1     0     0    .5      .35
AlM2 .1691 .3377 .3306      .36
AlT1   2/3   1/3 .4538 .20  .51
FeT1   2/3   1/3 .4538 .44  .51
ZnT1   2/3   1/3 .4538 .36  .51
AlT2     0     0 .1235 .61  .42
FeT2     0     0 .1235 .39  .42
AlM3    .5     0     0 .75  .61
Sn     2/3   1/3 .1872      .40
O1   .2938 .1471 .4128      .64
O2     1/3   2/3 .4027      .52
O3       0     0 .2592      .43
O4   .0121 .5061 .2604      .52
O5     1/3   2/3 .0701      .62
O6   .3518 .1759 .0846      .99
H      1/3   2/3   .14     1.00