Bismutotantalite
Galliski M A, Marquez-Zavalia M F, Cooper M A, Cerny P, Hawthorne F C
The Canadian Mineralogist 39 (2001) 103-110
Bismutotantalite from northwestern Argentina: Description and
crystal structure
Sample: [Bi] phase
Locality: northwestern Argentina
_database_code_amcsd 0005704
4.9652 11.7831 5.6462 90 90 90 Pcnn
atom      x      y      z occ  Uiso U(1,1) U(2,2) U(3,3) U(1,2) U(1,3) U(2,3)
Bi   .22147    1/2    1/4 .98 .0101  .0083  .0112  .0108      0      0  .0011
Sb   .22147    1/2    1/4 .02 .0101  .0083  .0112  .0108      0      0  .0011
Ta      1/4    3/4 .64078 .89 .0068  .0066  .0068  .0069 -.0001      0      0
Nb      1/4    3/4 .64078 .11 .0068  .0066  .0068  .0069 -.0001      0      0
O(1) .49543 .69489 .36094     .0139  .0136  .0138  .0142 -.0006  .0040 -.0007
O(2) .08657 .59742 .58723     .0110  .0143  .0082  .0105 -.0040  .0035  .0005