Beyerite Grice J D The Canadian Mineralogist 40 (2002) 693-698 A solution to the crystal structures of bismutite and beyerite _database_code_amcsd 0005771 3.7729 3.7742 21.726 90 90 90 Immm atom x y z Uiso U(1,1) U(2,2) U(3,3) U(1,2) U(1,3) U(2,3) Bi 0 0 -.30915 .01051 .0111 .0114 .0091 0 0 0 Ca 0 0 1/2 .0109 .0111 .010 .0119 0 0 0 C 1/2 1/2 .4107 .014 .012 .026 .004 0 0 0 O1 1/2 0 .2558 .005 .006 .007 .000 0 0 0 O2 1/2 .207 .4379 .0158 .014 .015 .018 0 0 .007 O3 1/2 1/2 .3498 .020 .031 .024 .004 0 0 0