Dumontite
Piret P, Piret-Meunier J
Bulletin de Mineralogie 111 (1988) 439-442
Nouvelle determination de la structure cristalline
de la dumonite Pb2[(UO2)3O2(PO4)2]*5H2O
Locality: Shinkolobwe, Shaba, Zaire
_database_code_amcsd 0012090
8.118 16.819 6.983 90 109.03 90 P2_1/m
atom      x     y     z  Uiso U(1,1) U(2,2) U(3,3) U(1,2) U(1,3) U(2,3)
Pb   -.0507 .1052 .3623 .0182  .0165  .0148  .0225  .0013  .0054  .0019
U1    .4006   .25 .7018 .0081  .0123  .0047  .0073      0  .0033      0
U2    .4146 .1417 .2068 .0058  .0095  .0018  .0066 -.0001  .0031  .0005
P     .3838 .0553 .6912 .0109
O1     .170   .25  .588  .016
O2     .634   .25  .818  .017
O3     .182  .129  .142  .010
O4     .651  .151  .268  .016
O5     .416  .115  .550  .017
O6     .379  .112  .863  .017
O7     .535 -.005  .776  .009
O8     .209  .016  .599  .020
O9     .381   .25  .016  .006
O10    .410   .25  .386  .016
O11   -.086  .161  .711  .049
O12   -.142  .056 -.004  .039
O13   -.085   .25  .163  .012