Britvinite
Yakubovich O V, Massa W, Chukanov N V
Crystallography Reports 53 (2008) 206-215
Crystal structure of britvinite [Pb7(OH)3F(BO3)2(CO3)][Mg4.5(OH)3(Si5O14)]:
A new layered silicate with an original type of silicon-oxygen networks
Locality: Varmland, Sweden
_database_code_amcsd 0012396
9.3409 9.3579 18.8333 80.365 75.816 59.870 P-1
atom      x      y      z  occ   Uiso
Si1   .6638  .6431 .34874       .0149
Si2   .3603  .2950 .34902       .0142
Si3   .6753  .9600 .35497       .0147
Si4   .3423  .6272 .35457       .0135
Si5   .0107  .9466 .34929       .0132
Mg1      .5     .5     .5       .0136
Mg2   .8369  .1664  .4964       .0134
Mg3   .1671  .1689  .4959       .0131
Mg4   .8354  .4987  .4971       .0128
Mg5   .4993  .8330  .5000       .0134
Pb1  .06509 .53207 .23857 .952 .02045
Pb1A   .173   .653   .234 .020   .032
Pb1B   .973   .719   .236 .012   .032
Pb2  .28960 .07376 .23590 .961 .01878
Pb2A   .406   .875   .235 .020   .032
Pb2B   .502   .973   .238 .012   .032
Pb3  .82941 .30837 .23655 .958 .01878
Pb3A   .744   .191   .240 .016   .032
Pb3B   .631   .409   .241 .014   .032
Pb4  .77275 .97209 .14948 .964  .0299
Pb5   .4359  .6395  .1480  .60  .0279
Pb5A  .4405  .6609  .1383  .35  .0341
Pb6    .836  .2432  .9967  .44  .0463
Pb6A  .9190  .2396  .0138 .202  .0318
Pb6B   .785   .280  .0043  .26   .042
Pb6C  .7228   .379  .0015 .053   .032
Pb7   .1188  .3166  .0776 .433  .0521
Pb7A  .1397  .3622  .0772 .346  .0237
Pb8   .5716  .0521  .9995 .283  .0302
Pb8A  .6098  .9712  .9857 .176  .0248
C1     .783  .6505  .1168        .028
B1    .1071  .9784  .1280        .022
B2     .447   .315  .1284 .734   .013
Si6   .4644  .3212  .0808 .266   .013
O1    .6361  .6207  .4378       .0151
O2    .4502  .6770  .0277        .046
O3    .2322  .2934  .3054       .0211
O4    .0331  .3816  .5564       .0156
O5    .9680  .2829  .4432       .0132
O6    .3665  .7153  .5560       .0154
O7    .9717  .9504  .4385       .0151
O8    .3071  .2874  .4375       .0140
O9    .8351  .5024  .3064       .0221
O10   .7005  .0494  .5553       .0149
O11   .6361  .9507  .4430       .0148
O12   .3047  .6156  .4422       .0135
O13   .3748  .4629  .3202       .0219
O14   .8677  .9271  .3216       .0233
O15   .5075  .6496  .3310       .0214
O16   .5487  .1418  .3226       .0204
O17   .1873  .7824  .3220       .0223
O18   .9177  .6512  .1166        .034
O19   .0212  .1055  .3048       .0231
O20   .7507  .0182  .8746        .036
O21   .8245  .0065  .0289        .030
O22   .6533  .8235  .3222       .0197
O23   .8937  .1607  .8732        .028
O24   .7797  .5148  .1155        .035
O25   .6452  .7867  .1218        .037
O26   .3023  .4579  .1222        .045
O27   .5825  .3152  .1299        .039
O28   .4502  .1720  .1273        .035
O29   .9599  .1223  .1307        .034
F1    .0789  .3118  .1942 .719  .0107
F1a    .101   .317  .1472 .281  .0107