Mannardite
Shi-bin X, Hai-fu F, Xiao-jing W, Fang-hua L
Acta Crystallographica A46 (1990) 929-934
Direct methods in superspace. II The first application to an unknown
incommensurate modulated structure
Note: this is the average structure, isomorphous with hollandite
Note: y-coordinate of O2 altered from .248 to make regular TiO6 polyhedra
Locality: Shiti barite deposit, Ankang County, Shaanxi, China
_database_code_amcsd 0009328
10.12 10.12 2.96 90 90 90 I4/m
atom    x    y  z occ Biso
Ba      0    0 .5  .4  .50
Ti   .366 .155  0     2.50
O1   .165 .198  0     3.00
O2   .572 .148  0     3.75