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American Mineralogist Crystal Structure Database

1 matching records for this search.

Knasibfite
  
Demartin F, Gramaccioli C M, Campostrini I, Orlandi P
Download cm/vol46/CM46_447.pdf 
The Canadian Mineralogist 46 (2008) 447-453
Knasibfite, K3Na4[SiF6]3[BF4], a new hexafluorosilicate-tetrafluoroborate
from La Fossa Crater, Vulcano, Aeolian Islands, Italy
Locality: La Fossa Crater, Vulcano, Aeolian Islands, Italy
_database_code_amcsd 0006186
5.522 17.106 9.175 90 90 90 Imm2
atom      x      y     z  Uiso U(1,1) U(2,2) U(3,3) U(1,2) U(1,3) U(2,3)
K1      1/2 .37387 .2826 .0353  .0399  .0283  .0376      0      0  .0088
K2      1/2      0 .4448 .0266  .0273  .0242  .0282      0      0      0
Na1       0  .1714 .3514 .0333  .0375  .0319  .0304      0      0  .0011
Na2       0  .3583 .6039 .0226  .0247  .0195  .0235      0      0 -.0036
Si1       0      0 .2030 .0187  .0172  .0147  .0242      0      0      0
Si2     1/2  .2142 .5193 .0192  .0192  .0182  .0201      0      0 -.0015
F1        0      0 .3864 .0334   .027   .050   .023      0      0      0
F2        0      0 .0242 .0393   .038   .057   .023      0      0      0
F3    .2144  .0697 .2094 .0368  .0312  .0285  .0507  .0153 -.0014  .0035
F4      1/2  .2254 .6987 .0473   .079   .044   .019      0      0  -.009
F5      1/2  .2038 .3369 .0328   .048   .028   .023      0      0  -.005
F6    .7156 .14567 .5318 .0350  .0299  .0298  .0455  .0131  .0043  .0063
F7    .2853 .28234 .5000 .0423  .0410  .0359   .050  .0183  .0111  .0064
F8    .2043    1/2 .2255 .0314   .027   .032   .035      0  .0042      0
F9        0  .4332 .3987 .0412   .053   .034   .036      0      0   .016
B         0    1/2 .3131 .0260   .030   .022   .025      0      0      0


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