Alluaudite
Hatert F, Long G J, Hautot D, Fransolet A-M, Delwiche J, Hubin-Franskin M J, Grandjean F
Physics and Chemistry of Minerals 31 (2004) 487-506
A structural, magnetic, and Mossbauer spectral study of several Na-Mn-Fe-bearing alluaudites
Sample: #1, synthetic
_database_code_amcsd 0008874
12.048 12.623 6.511 90 114.58 90 C2/c
atom       x      y     z  occ Biso
NaA2'      0 -.0145   .25 .822  1.0
NaA1      .5      0     0 .970  1.0
Mn2+A1    .5      0     0 .015  1.0
Mn2+M1     0  .2742   .25 .896   .5
NaM1       0  .2742   .25 .104   .5
Mn2+M2 .2825  .6580 .3590   .5   .5
Fe3+M2 .2825  .6580 .3590   .5   .5
P1         0 -.2885   .25        .5
P2     .2325 -.1110  .130        .5
O1     .4659  .7244  .557       1.0
O2     .0939  .6360  .215       1.0
O3     .3256  .6614  .108       1.0
O4     .1366  .4080  .329       1.0
O5     .2289  .8335  .342       1.0
O6     .3238  .4983  .391       1.0