Barytolamprophyllite
Rastsvetaeva R K, Dorfman M D
Crystallography Reports 40 (1995) 951-954
Crystal structure of Ba-lamprophyllite in the isomorphous lamprophyllite-
baritolamprophyllite series
Locality: Khibiny Massif
_database_code_amcsd 0012348
19.744 7.099 5.409 90 96.77 90 C2/m
atom     x     y     z occ Biso
SrM1 .2835     0 .2633 .55 1.19
BaM1 .2835     0 .2633 .45 1.19
Na       0     0     0     1.50
NaM2     0 .2613    .5  .9  .95
MnM2     0 .2613    .5  .1  .95
Ti1  .1469     0 .7057  .7  .82
Fe1  .1469     0 .7057  .3  .82
Ti2      0    .5     0  .7 1.54
Mg2      0    .5     0  .3 1.54
Si   .1403 .2842 .2020      .70
OH1  .4429     0 .2673     1.40
O2   .1715 .1891 .4635     1.04
O3   .1722 .1881 .9703     1.09
O4   .1730    .5 .2173      .93
O5   .0581 .2957 .1696     1.00
O6   .0622     0 .6702     1.40