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 Wo79Fs21
Locality: Skye, Scotland
_database_code_amcsd 0020118
7.832 7.229 13.925 90.017 95.4 103.35 A-1
atom     x     y     z occ Biso
Ca1  .2000 .4218 .3776      .71
Ca2  .1994 .9284 .3755 .82 1.05
Ca3     .5   .25   .25 .55  .13
Ca4     .5   .75   .25 .55 1.47
Fe2  .1994 .9284 .3755 .18 1.05
Fe3     .5   .25   .25 .45  .13
Fe4     .5   .75   .25 .45 1.47
Si1  .1877 .3980 .6344     1.34
Si2  .1902 .9475 .6346     1.53
Si3  .3973 .7244 .5226      .90
O1    .425  .233  .403      2.1
O2    .414  .727  .410      1.1
O3    .318  .471  .731      1.4
O4    .302  .936  .724      2.1
O5    .014  .629  .362      2.2
O6    .009  .127  .371      1.6
O7    .274  .507  .543      1.7
O8    .268  .883  .541      2.2
O9    .224  .183  .620      2.9