Georgiadesite
Pasero M, Vacchiano D
Mineralogical Magazine 64 (2000) 879-884
Crystal structure and revision of the chemical formula of georgiadesite,
Pb4(AsO3)Cl4(OH)
Locality: Laurion, Attica, Greece
_database_code_amcsd 0014543
13.765 7.896 10.804 90 102.57 90 P2_1/c
atom     x     y     z Uiso U(1,1) U(2,2) U(3,3) U(1,2) U(1,3) U(2,3)
Pb1  .5853 .2214 .8688        .032   .040   .037   .001   .006   .001
Pb2  .8126 .0978 .6502        .044   .042   .034   .001   .007   .007
Pb3  .0556 .2422 .4831        .038   .039   .038   .003   .007   .001
Pb4  .3346 .2428 .5552        .034   .042   .041   .004   .005   .002
As   .8001  .048 .3459        .036   .031   .036   .007   .009   .008
Cl1   .212  .556  .557         .04    .04    .06    .01   .013    .00
Cl2  1.003 -.060  .781         .04    .10    .04    .01   .010    .00
Cl3   .420  .442  .844         .04    .07    .05    .00   .007    .01
Cl4   .593  .099 1.129         .07    .07    .03    .02   .010    .00
O1    .695  .060  .436 .015
O2    .901  .055  .486  .03
O3    .792 -.173  .347  .03
O4    .200  .201  .390  .04
H     .192  .267  .313