Abernathyite
Ross M, Evans H T
American Mineralogist 49 (1964) 1578-1602
Studies of the torbernite minerals (I): The crystal structure of abernathyite
and the structurally related compounds NH4(UO2AsO4).3H2O and K(H3O)(UO2AsO4)2.6H2O
Sample : Abernathyite - NH4
Locality: synthetic
_database_code_amcsd 0000131
7.189 7.189 18.191 90 90 90 *P4/ncc
.25 -.25 0
atom    x    y     z occ Biso
N    .158 .993  .317 .25  3.3
H4   .158 .993  .317      3.3
U     .25  .25 .0512     2.54
As    .75  .25     0     1.68
Oa    .25  .25  .151
Ob    .25  .25  .956      3.0
Oc   .696 .076  .447
Watd .158 .993  .317 .75  3.3