Pigeonite
Morimoto N, Appleman D E, Evans H T
Zeitschrift fur Kristallographie 114 (1960) 120-147
The crystal structures of clinoenstatite and pigeonite
Locality: Asio Mine, Japan
_database_code_amcsd 0010588
9.731 8.953 5.256 90 71.45 90 P2_1/c
atom    x    y     z occ  Biso
Ca1  .246 .981  .231  .2   .98
Fe1  .246 .981  .231  .8   .98
Fe2  .251 .344  .236 .32  .855
Mg2  .251 .344  .236 .68  .855
Si1  .453 .661  .274       .62
Si2  .049 .662  .252      .765
O1A  .372 .168  .315      1.17
O1B  .127 .166  .161      .595
O2A  .378 .506  .323      .885
O2B  .125 .508  .147     1.085
O3A  .395 .773  .070       .51
O3B  .108 .782 -.006       .47