Freedite
Pertlik F
Mineralogy and Petrology 36 (1987) 85-92
The structure of freedite, Pb8Cu(AsO3)2O3Cl5
Locality: Langban mine, Varmland, Sweden
_database_code_amcsd 0014613
13.578 20.099 7.465 90 105.73 90 C2/m
atom     x     y     z Uiso U(1,1) U(2,2) U(3,3) U(1,2) U(1,3) U(2,3)
Pb1  .8528     0 .4346        .025   .001   .012      0   .003      0
Pb2  .8587     0 .9334        .011   .022   .019      0   .003      0
Pb3  .6338 .9026 .0836        .017   .028   .030   .001   .009  -.008
Pb4  .8503 .2037 .4193        .009   .019   .011  -.005   .002  -.001
Pb5  .8565 .2018 .9317        .009   .019   .021  -.001   .000  -.002
As   .3299 .1120 .4198        .018   .015   .008  -.015   .009  -.009
Cu       0 .4219    .5        .005   .037   .027      0   .005      0
Cl1  .4885     0 .7428 .003
Cl2  .5074 .2069 .7377 .040
Cl3  .0269 .0967 .2557 .016
O1   .7190 .1946 .6019 .030
O2   .7440 .0916 .4242 .029
O3   .7407 .0822 .8017 .030
O4   .7534 .3045 .8643 .005
O5   .7606     0 .1211 .009