Ilvaite
Bonazzi P, Bindi L
American Mineralogist 87 (2002) 845-852
Structural properties and heat-induced oxidation-dehydrogenation of
manganoan ilvaite from perda Niedda mine, Sardinia, Italy
Sample: PN6-500, Crystal at room temperature, annealed at 500 C for 48 hrs
_database_code_amcsd 0002850
13.008 8.865 5.845 90 90 90 Pnam
atom      x      y      z occ   Uiso
CaA  .81372 .37114    .75 .98  .0089
MnA  .81372 .37114    .75 .02  .0089
FeM1 .89014 .05101 .00451      .0074
MnM2 .93837 .73842    .25 .72  .0077
FeM2 .93837 .73842    .25 .28  .0077
Si1  .95958 .36646    .25      .0060
Si2  .68051 .22740    .25      .0062
O1    .0100  .0252    .75     .01231
O2    .9372  .2711  .0155      .0088
O3    .7776  .1089    .25      .0085
O4    .6720  .3299  .0184      .0083
O5    .5850  .1031    .25      .0082
O6    .6028  .0208    .75      .0128
O7    .7983  .1113    .75      .0094
H      .746   .070    .75        .05