Ferrobustamite
Rapoport P A, Burnham C W
Ferrobustamite: The crystal structures of two Ca,Fe bustamite-type pyroxenoids
Zeitschrift fur Kristallographie 138 (1973) 419-438
Note: Sample Wo50Fs50
Locality: synthetic
_database_code_amcsd 0020117
7.691 7.112 13.765 90.367 95.317 103.967 A-1
atom     x     y     z occ Biso
Ca1  .2067 .4266 .3731 .23  .93
Ca2  .1989 .9391 .3759 .78  .82
Ca3     .5   .25   .25 .07  .72
Ca4     .5   .75   .25 .92  .70
Fe1  .2067 .4266 .3731 .77  .93
Fe2  .1989 .9391 .3759 .22  .82
Fe3     .5   .25   .25 .93  .72
Fe4     .5   .75   .25 .08  .70
Si1  .1751 .3904 .6368      .65
Si2  .1775 .9426 .6312      .71
Si3  .3935 .7179 .5226      .62
O1   .4304 .2376 .4011      .80
O2   .4021 .7096 .4068     1.18
O3   .3141 .4724 .7312     1.18
O4   .3032 .9279 .7303     1.00
O5   .0276 .6155 .3510     1.56
O6   .0295 .1638 .3744     1.76
O7   .2540 .5108 .5424     1.05
O8    .274 .8800 .5388     1.01
O9   .1866 .1703 .6176     2.15