Wickmanite Christensen A N, Hazell R G Acta Chemica Scandinavica 23 (1969) 1219-1224 Hydrothermal preparation of hydroxy stannates. The crystal structure of MnSn(OH)6 Locality: synthetic _database_code_amcsd 0020384 7.885 7.885 7.885 90 90 90 *Pn3 .25 .25 .25 atom x y z Biso Mn 0 0 0 .85 Sn .5 .5 .5 .49 OH .081 .930 .255 1.59