Stibiocolumbite
Zubkova N V, Pushcharovsky D Y, Giester G, Smolin A S, Tillmanns E, Brandstatter F,
Hammer V, Peretyazhko I S, Sapozhnikov A N, Kashaev A A
Neues Jahrbuch fur Mineralogie, Monatshefte 2002 (2002) 145-159
Bismutocolumbite, Bi(Nb.79Ta.21)O4, stibiocolumbite, Sb(Nb.67Ta.33)O4 and their
structural relation to the other ABO4 minerals with
stibiotantalite (SbTaO4) structure
Locality: Mesa Grande, California, USA
_database_code_amcsd 0014919
5.557 4.932 11.808 90 90 90 Pna2_1
atom      x       y       z occ  Uiso
Sb   .52369  .04914  .24729     .0093
Nb   .88867 -.00667 -.00157 .33 .0048
Ta   .88867 -.00667 -.00157 .67 .0048
O1    .3462   .3313   .1576     .0084
O2    .8242   .8352   .8477     .0081
O3    .0845   .7119   .0563     .0106
O4    .1290   .2270  -.0483     .0117