Zippeite
Plasil J, Mills S J, Fejfarova K, Dusek M, Novak M, Skoda R, Cejka J, Sejkora J
The Canadian Mineralogist 49 (2011) 1089-1103
The crystal structure of natural zippeite, K1.85H+0.15[(UO2)4O2(SO4)2(OH)2](H2O)4,
from Jachymov, Czech Republic
Locality: Jachymov, Czech Republic
_database_code_amcsd 0018658
8.7802 13.9903 8.8630 90 104.524 90 C2/m
atom        x      y      z occ  Uiso
U      .32998 .23438 .32576     .0279
S          .5  .2579      0      .023
K1       .118     .5   .353 .24  .063
H1       .118     .5   .353 .04  .063
K2      -.067     .5  -.233 .68  .063
H2      -.067     .5  -.233 .04  .063
O1      .1233  .1800   .096      .031
O2       .435  .1961   .103      .032
O3       .303  .3556   .275      .041
O4       .353  .1107   .363      .039
O5       .102  .2369   .410  .5  .055
OH5      .102  .2369   .410  .5  .055
WatO6a   .061      0   .300 .47  .047
WatO6b   .074      0   .399 .53  .047
WatO7a   .225     .5  -.011 .75  .055
WatO7b   .334     .5   .015 .25  .055