Manganotantalite
Grice J D, Ferguson R B, Hawthorne F C
The Canadian Mineralogist 14 (1976) 540-549
The crystal structures of tantalite, ixiolite and wodginite
from Bernic lake, Manitoba I. Tantalite and ixiolite
Locality: Bernic Lake, Manitoba, Canada
_database_code_amcsd 0005130
14.413 5.760 5.084 90 90 90 Pbcn
atom     x     y     z occ Biso
Mn       0  .322   .25 .97  .63
Ti       0  .322   .25 .02  .63
Fe       0  .322   .25 .01  .63
Ta   .1628 .1770 .7367 .64  .64
Nb   .1628 .1770 .7367 .36  .64
O1    .099  .094  .055       .4
O2    .419  .112  .108      1.3
O3    .758  .121  .099       .9