Hallimondite Locock A J, Burns P C, Flynn T M American Mineralogist 90 (2005) 240-246 The role of water in the structures of synthetic hallimondite, Pb2[(UO2)(AsO4)2](H2O)n and synthetic parsonsite, Pb2[(UO2)(PO4)2](H2O)n, 0 < n < 0.5 _database_code_amcsd 0003720 7.1153 10.4780 6.8571 101.178 95.711 86.651 P-1 atom x y z occ Uiso U(1,1) U(2,2) U(3,3) U(1,2) U(1,3) U(2,3) U1 .6186 .8400 .0988 .010 .016 .007 .008 .001 .003 .001 Pb1 .3090 .5416 .2785 .016 .018 .019 .012 -.001 .003 .002 Pb2 .0451 .7776 .7170 .018 .021 .012 .022 .001 .006 .000 As1 .5365 .8167 .6206 .009 .013 .007 .007 .000 .002 .000 As2 .8238 .5494 .2763 .010 .011 .009 .009 .001 .001 .002 O1 .0022 .6340 .4155 .018 .012 .022 .018 -.005 -.002 .000 O2 .3486 .4738 .5851 .014 .013 .019 .013 .000 .005 .007 O3 .3859 .7840 .0731 .021 .019 .025 .019 -.004 .002 .005 O4 .6811 .7288 .7623 .015 .022 .015 .007 .003 .000 .002 O5 .7149 .6298 .1057 .020 .034 .011 .013 .006 -.001 .004 O6 .3323 .7477 .5346 .017 .014 .017 .017 -.004 .002 -.003 O7 .5018 .0540 .1927 .019 .040 .009 .008 .008 .002 .001 O8 .8504 .8978 .1144 .021 .022 .022 .021 -.009 .005 .002 O9 .6524 .8562 .4429 .019 .022 .023 .013 -.002 .004 .005 O10 .9230 .4099 .1582 .021 .029 .014 .019 .009 .009 .002 Wat11 .0500 .9720 .4740 .29 .073