COL  ICSD Collection Code 15481
 DATE Recorded Jan 1, 1980; updated Apr 22, 1996
 NAME Potassium dioxouranium arsenate(V) trihydrate
 MINR Abernathyite
 MINR Meta-autunite group
 FORM K (U O2) (As O4) (H2 O)3
      = H6 As K O9 U
 TITL Studies of the torbernite minerals (I): The crystal structure of 
      Abernathyite and the structurally related compounds N H4 U O2 As 
      O4 * (H2 O)3 and K (H3 O) (U O2 As O4)2 * (H2 O)6
 REF  American Mineralogist
      AMMIA 49 (1964) 1578-1602
 AUT  Ross M, EvansÿHÿTÿjr.
 CELL a=7.176 b=7.176 c=18.126 à=90.0 á=90.0 ç=90.0
      V=933.4 Z=4
 SGR  P 4/n c c Z   (130) - tetragonal
 CLAS 4/mmm (Hermann-Mauguin) - D4h (Schoenflies)
 PRS  tP72
 ANX  ABCX9
 PARM Atom__No OxStat  Wyck ---X--- ---Y--- ---Z---  -SOF-
      O      1 -2.000    4c  1/4     1/4     0.1515
      O      2 -2.000    4c  1/4     1/4     0.9575
      O      3 -2.000   16g  0.6963  0.0729  0.4433
      OH2    4 -2.000   16g  0.165   0.9876  0.3154    0.75
      K      1  1.000   16g  0.165   0.9876  0.3154    0.25
      As     1  5.000    4b  3/4     1/4     0.
      U      1  6.000    4c  1/4     1/4     0.0514
      H      1  1.000   16g 24 Atoms not located in Unit Cell
 WYCK g2 c3 b
 ITF  O   1   B=2.99
 ITF  O   2   B=2.48
 ITF  O   3   B=2.75
 ITF  O   4   B=3.71
 ITF  K   1   B=3.71
 ITF  As  1   B=1.84
 ITF  U   1   B=1.9
 REM  M PDF 16-386
 RVAL 0.084