COL  ICSD Collection Code 80915
 DATE Recorded May 13, 1997
 NAME Dioxouranium(VI) tetrabismuth bis(arsenate(V)) tetraoxide dihydrate
 MINR Orthowalpurgite- from Schmiedestollen, Wittichen, Black Forest, 
      Germany
 FORM (U O2) Bi4 O4 (As O4)2 (H2 O)2
      = H4 As2 Bi4 O16 U
 FORM (U O2)0.92 Bi4.06 O3.89 (As O4)2.07 (H2 O)1.99
 TITL Orthowalpurgite, (U O2) Bi4 O4 (As O4)2 . 2(H2 O), a new mineral 
      from the Black Forest, Germany
 REF  European Journal of Mineralogy (1,1989-)
      EJMIE 7 (1995) 1313-1324
 AUT  Krause W, EffenbergerÿH, BrandstaetterÿF
 CELL a=5.492 b=13.324 c=20.685 à=90.0 á=90.0 ç=90.0
      V=1513.6 Z=4
 SGR  P b c m       (57) - orthorhombic
 CLAS mmm   (Hermann-Mauguin) - D2h (Schoenflies)
 PRS  oP108
 ANX  AB2C4X16
 PARM Atom__No OxStat  Wyck ---X--- ---Y--- ---Z---  -SOF-
      U      1  6.000    4d  0.685  -0.015   1/4
      Bi     1  3.000    8e  0.6754  0.10257 0.03039
      Bi     2  3.000    8e  0.2199  0.30468 0.07715
      As     1  5.000    8e  0.2014  0.0033  0.1292
      O      1 -2.000    4d  0.804   0.853   1/4
      O      2 -2.000    4d  0.56    0.121   1/4
      O      3 -2.000    8e  0.399   0.434   0.0352
      O      4 -2.000    4c  0.484   1/4     0.
      O      5 -2.000    4c  0.005   1/4     0.
      O      6 -2.000    8e  0.335   0.111   0.1009
      O      7 -2.000    8e  0.397  -0.064   0.325
      O      8 -2.000    8e  0.103  -0.071   0.0672
      O      9 -2.000    8e -0.053   0.033   0.1708
      OH2   10 -2.000    8e  0.762   0.246   0.1459
      H      1  1.000    8e 16 Atoms not located in Unit Cell
 WYCK e9 d3 c2
 ITF  O   1   U=0.045(9)
 ITF  O   2   U=0.031(9)
 ITF  O   3   U=0.015(5)
 ITF  O   4   U=0.010(6)
 ITF  O   5   U=0.018(7)
 ITF  O   6   U=0.012(4)
 ITF  O   7   U=0.021(5)
 ITF  O   8   U=0.012(5)
 ITF  O   9   U=0.018(5)
 ITF  O  10   U=0.037(6)
ÿ
 TF   Atom   U(1,1)  U(2,2)  U(3,3)  U(1,2)  U(1,3)  U(2,3)
      U  1    0.0154  0.0266  0.0187 -0.0019  0.0000  0.0000
      Bi 1    0.0067  0.0120  0.0162  0.0000 -0.0015 -0.0001
      Bi 2    0.0091  0.0123  0.0141 -0.0011  0.0006  0.0000
      As 1    0.0120  0.0160  0.0140 -0.0030  0.0010  0.0004
 RVAL 0.080