Brewsterite-Ba
Cabella R, Lucchetti G, Palenzona A, Quartieri S, Vezzalini G
European Journal of Mineralogy 5 (1993) 353-360
First occurrence of a Ba-dominant brewsterite: structural features
_database_code_amcsd 0006480
6.790 17.581 7.735 90 94.50 90 P2_1/m
atom      x     y     z  occ Biso
BaBA1 .2458   1/4 .1734  .82  1.3
NaBA1 .2458   1/4 .1734 .035  1.3
KBA1  .2458   1/4 .1734  .02  1.3
MgBA1 .2458   1/4 .1734  .04  1.3
BaBA2  .264   1/4  .043  .04  4.0
BaBA3  .211   1/4  .297  .04  4.0
AlTA  .3215 .0803 .8230  .35  1.1
SiTA  .3215 .0803 .8230  .65  1.1
AlTB  .4070 .0566 .2116  .35  1.1
SiTB  .4070 .0566 .2116  .65  1.1
AlTC  .5534 .1581 .5349  .35   .9
SiTC  .5534 .1581 .5349  .65   .9
SiTD  .9067 .0526 .6412       1.1
O1    .3537 .1034  .028       1.3
O2     .426 .1222  .360       1.8
O3     .784 .1212  .547       1.7
O4     .446 .1403  .714       1.8
O5     .081 .0911  .765       2.5
O6     .227 .9969  .240       2.6
O7     .383 .9920  .795       1.7
O8        0     0   1/2       2.8
O9     .564   1/4  .501       2.1
Wat1   .051   1/4  .469  .96  3.2
Wat2   .920 .1414  .142       5.0
Wat3   .607   1/4  .022  .96  4.1
Wat4   .060   1/4  .854  .96  3.5