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: PN6-600, Crystal at room temperature, annealed at 600 C for 48 hrs
_database_code_amcsd 0002851
12.993 8.864 5.837 90 90 90 Pnam
atom      x      y       z occ  Uiso
CaA  .81602 .37350     .75 .98 .0102
MnA  .81602 .37350     .75 .02 .0102
FeM1 .88944 .05336 -.00094     .0086
MnM2 .93451 .73764     .25 .72 .0092
FeM2 .93451 .73764     .25 .28 .0092
Si1   .9623  .3655     .25     .0069
Si2   .6829  .2303     .25     .0071
O1    .0132  .0229     .75     .0127
O2    .9393  .2699   .0151     .0105
O3    .7809  .1111     .25     .0085
O4    .6734  .3326   .0184     .0094
O5    .5880  .1054     .25     .0111
O6    .5995  .0195     .75     .0172
O7    .8026  .1140     .75     .0121
H      .788   .058     .75       .07