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
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