Uranophane - alpha
Smith D K, Gruner J W, Lipscomb W N
American Mineralogist 42 (1957) 594-618
The crystal structure of uranophane [Ca(H3O)2](UO2)2(SiO4)2.3H2O
Locality: Chinkolobwe deposits, Belgian Congo, Africa
_database_code_amcsd 0000081
15.97 7.07 6.68 90 97.3 90 P2_1
atom    x    y    z Biso
U1   .256 .787 .138  .35
U2   .756 .713 .138  .35
Si1  .282 .287 .335  .35
Si2  .782 .213 .335  .35
Ca   .019 .750 .271  .35
O1   .374 .787 .138  .35
O2   .874 .713 .138  .35
O3   .136 .787 .129  .35
O4   .636 .713 .129  .35
O5   .257 .477 .197  .35
O6   .757 .403 .197  .35
O7   .257 .097 .197  .35
O8   .757 .023 .197  .35
O9   .231 .287 .533  .35
O10  .731 .213 .533  .35
O11  .381 .287 .433  .35
O12  .881 .213 .433  .35