American Mineralogist Crystal Structure Database

2 matching records for this search.

Barytolamprophyllite
Download hom/barytolamprophyllite.pdf
Sokolova E, Camara F
Download cm/vol46/CM46_403.pdf
The Canadian Mineralogist 46 (2008) 403-412
From structure topology to chemical composition. III. Titanium
silicates: The crystal chemistry of barytolamprophyllite
Locality: Mt. Yuksporr, Khibina alkaline massif, Kola Peninsula, Russia
_database_code_amcsd 0006183
19.8971 7.1165 5.4108 90 96.676 90 C2/m
atom        x      y      z  occ   Uiso U(1,1) U(2,2) U(3,3) U(1,2) U(1,3) U(2,3)
BaAP   .28240      0 .26285  .44 .01030  .0158 .00744 .00770      0 .00154      0
KAP    .28240      0 .26285 .305 .01030  .0158 .00744 .00770      0 .00154      0
SrAP   .28240      0 .26285 .165 .01030  .0158 .00744 .00770      0 .00154      0
CaAP   .28240      0 .26285 .025 .01030  .0158 .00744 .00770      0 .00154      0
TiMH   .14603      0 .70520 .985  .0073  .0103  .0069  .0047      0  .0014      0
AlMH   .14603      0 .70520 .015  .0073  .0103  .0069  .0047      0  .0014      0
TiM1        0     .5      0  .94  .0253  .0301  .0060  .0335      0 -.0225      0
Fe3+M1      0     .5      0  .05  .0253  .0301  .0060  .0335      0 -.0225      0
NbM1        0     .5      0  .01  .0253  .0301  .0060  .0335      0 -.0225      0
NaM2        0      0      0       .0191  .0235  .0173  .0180      0  .0093      0
NaM3        0 .26016     .5 .545  .0166  .0230  .0135  .0141      0  .0053      0
Fe2+M3      0 .26016     .5  .15  .0166  .0230  .0135  .0141      0  .0053      0
Mn2+M3      0 .26016     .5  .14  .0166  .0230  .0135  .0141      0  .0053      0
CaM3        0 .26016     .5  .04  .0166  .0230  .0135  .0141      0  .0053      0
MgM3        0 .26016     .5 .025  .0166  .0230  .0135  .0141      0  .0053      0
Si     .13981 .28427 .20240       .0079  .0118  .0053  .0068 -.0001  .0014  .0003
O1     .44479      0  .2738       .0251  .0230  .0272  .0268      0  .0103      0
O2     .17024  .1883  .4639       .0125  .0182  .0101  .0091  .0004  .0012  .0023
O3     .17064  .1874  .9686       .0119  .0178  .0090  .0092 -.0005  .0033 -.0028
O4     .17175     .5  .2170       .0103  .0142  .0060  .0107      0  .0015      0
O5     .05813  .2950  .1705       .0128  .0116  .0102  .0162  .0013  .0006  .0002
O6     .06071      0  .6672       .0202  .0121  .0356  .0133      0  .0025      0
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Barytolamprophyllite
Download hom/barytolamprophyllite.pdf
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
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View JMOL 3-D Structure (permalink)
 
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