Pigeonite
Alvaro M, Nestola F, Ballaran T B, Camara F, Domeneghetti M C, Tazzoli V
American Mineralogist 95 (2010) 300-311
High-pressure phase transition of a natural pigeonite
Locality: Parana, Brazil
Note: P = 7.762 GPa
_database_code_amcsd 0005012
9.402 8.716 4.996 90 103.28 90 C2/c
atom     x     y     z  occ  Uiso
FeA      0 .9077   .25 .253 .0113
MgA      0 .9077   .25 .747 .0113
FeB      0 .2797   .25 .755 .0148
MgB      0 .2797   .25 .124 .0148
CaB      0 .2797   .25 .121 .0148
Si   .2959 .0911 .2203  .99 .0090
Al   .2959 .0911 .2203  .01 .0090
O1   .1218 .0889  .142       .008
O2   .3739 .2411  .360       .013
O3   .3517 .0523  .936       .015