Mannardite
Shi N, Ma Z, Liu W
Acta Petrologica et Mineralogica 10 (1991) 233-245
Crystal structure determination of ankangite with one dimensional incommensurate modulation
Locality: Shiti barite deposit, Ankang County, Shaanxi, China
_database_code_amcsd 0018318
10.139 10.139 2.961 90 90 90 I4/m
atom     x     y     z  occ Biso
Ba       0     0 .3790 .295 2.60
Ti   .1652 .3494     0  .65  .55
V    .1652 .3494     0  .35  .55
O1   .2026 .1556     0       .43
O2   .1673 .5390     0       .57