Zeunerite Locock A J, Burns P C The Canadian Mineralogist 41 (2003) 489-502 Crystal structures and synthesis of the copper-dominant members of the autunite and meta-autunite groups: Torbernite, zeunerite, metatorbernite and metazeunerite _database_code_amcsd 0005831 7.1797 7.1797 20.857 90 90 90 *P4/nnc .25 .25 .25 atom x y z Uiso U(1,1) U(2,2) U(3,3) U(1,2) U(1,3) U(2,3) U 1/4 1/4 .4551 .010 .009 .009 .013 0 0 0 As 1/4 -1/4 1/2 .011 .009 .009 .016 0 0 0 Cu 1/4 1/4 1/4 .019 .016 .016 .025 0 0 0 O1 1/4 1/4 .3690 .019 .020 .020 .017 0 0 0 O2 1/4 1/4 .5401 .024 .028 .028 .016 0 0 0 OW3 1/4 -.0187 1/4 .036 .040 .020 .047 0 .021 0 O4 .2091 -.0669 .4517 .018 .021 .011 .023 .001 -.004 .003 OW5 .0162 -.1649 .3363 .026 .026 .029 .025 -.001 .001 .002 H1 -.100 -.107 .332 .050 H2 .091 -.149 .372 .050 H3 .181 -.098 .277 .050