Sillenite Sillen L Arkiv for Kemi, Mineralogi och Geologi A12 (1938) 1-15 X-Ray studies on bismuth trioxide Locality: synthetic _cod_database_code 1010314 _database_code_amcsd 0017240 10.08 10.08 10.08 90 90 90 I23 atom x y z Bi1 .32 .18 .02 O1 .37 -.02 .16 O2 .23 .23 .23 O3 -.11 -.11 -.11 Si1 0 0 0