Thorite Fuchs L H, Gebert E American Mineralogist 43 (1958) 243-248 X-ray studies of synthetic coffinite, thorite and uranothorites _database_code_amcsd 0000084 7.142 7.142 6.327 90 90 90 I4_1/amd atom x y z Th 0 0 0 Si 0 0 .5 O 0 .166 .347