Holtite
Kazantsev S S, Zubkova N V, Voloshin A V
Crystallography Reports 51 (2006) 412-413
Refinement of composition and structure of holtite I
Locality: Voroni Tundry deposit, Kola Peninsula, Russia
_database_code_amcsd 0019738
4.695 11.906 20.38 90 90 90 Pnma
atom     x      y      z  occ  Uiso
Al1  .4014    .75 .24989 .606 .0142
Ta1  .4014    .75 .24989 .248 .0142
Al2  .5576 .61046 .47309 .955 .0090
Al3  .0593  .4905 .43184 .963 .0103
Al4  .0599  .3597 .29009 .899 .0113
Si1  .0889    .75 .40642 .831 .0097
Sb1' .1140    .75  .3853 .093  .013
As1' .1140    .75  .3853 .068  .013
Si2  .5888 .52312 .32877 .834 .0113
Sb2' .6092  .5636 .31676 .125 .0119
As2' .6092  .5636 .31676 .031 .0119
B     .231    .25  .4665       .013
O1   .3784    .75  .4564      .0125
O2   .1569    .75  .3304 .831  .020
O3   .8928  .6389  .4551      .0140
O4   .4029  .4341  .2822      .0138
O5   .3957  .5509  .3944      .0125
O6   .8831  .4509  .3512      .0139
O7   .6593  .6331  .2886 .834 .0185
O8   .1715    .25  .3493      .0174
O9   .2536  .3506  .4476      .0105
OH10 .7567    .25  .2739  .52 .0163
O10  .7567    .25  .2739  .48 .0163
O11  .7511  .4669  .4887      .0114