Soddyite
Diffraction data computed using the structure from the paper listed below,
along with the cell parameters refined from the powder pattern for R060407
      Demartin F, Gramaccioli C M, Pilati T
      Acta Crystallographica C48 (1992) 1-4
      The importance of accurate crystal structure determination
      of uranium minerals. II. Soddyite (UO2)2(SiO4)*2H2O
      Locality: Democratic Republic of the Congo

      CELL PARAMETERS:   8.334000   11.21200   18.66800   90.00000   90.00000   90.00000
      ALTERNATE SETTING FOR SPACE GROUP: Fddd
      X-RAY WAVELENGTH:     1.541838
               2-THETA      INTENSITY    D-SPACING   H   K   L
                14.11         96.96        6.3029    1   1   1
                18.51         36.06        4.8081    0   2   2
                19.08         10.17        4.6666    0   0   4
                19.53        100.00        4.5581    1   1   3
                23.41         15.27        3.8094    2   0   2
                26.60         22.07        3.3572    1   3   1
                26.67         73.84        3.3481    2   2   0
                27.40         23.16        3.2607    1   1   5
                29.91         25.22        2.9923    1   3   3
                31.95         17.55        2.8049    0   4   0
                32.97         40.60        2.7207    0   2   6
                32.97          7.55        2.7204    2   2   4
                33.58          4.98        2.6723    3   1   1
                35.69          3.50        2.5189    1   3   5
                36.05         24.35        2.4942    2   0   6
                36.30          6.43        2.4774    1   1   7
                36.31         13.26        2.4770    3   1   3
                37.45          2.59        2.4040    0   4   4
                38.63          7.28        2.3333    0   0   8
                39.95         12.33        2.2587    2   4   2
                40.75          6.57        2.2163    3   3   1
                41.30          3.61        2.1879    3   1   5
                42.01          2.59        2.1525    1   5   1
                43.08          3.13        2.1013    1   3   7
                43.09         15.90        2.1010    3   3   3
                43.40          7.33        2.0864    4   0   0
                44.30         11.95        2.0464    1   5   3
                45.83         15.03        1.9812    1   1   9
                47.49          5.25        1.9158    3   3   5
                47.53          8.04        1.9143    2   2   8
                47.54          6.85        1.9140    4   2   2
                47.78          1.51        1.9047    4   0   4
                47.98          3.39        1.8973    3   1   7
                48.61          4.20        1.8741    1   5   5
                48.89         26.99        1.8639    2   4   6
                49.76          2.98        1.8335    0   6   2
                50.93          2.24        1.7938    0   4   8
                51.59          8.36        1.7724    1   3   9
                52.66          2.85        1.7389    3   5   1
                53.57          1.48        1.7116    3   3   7
                53.74         10.38        1.7064    2   6   0
                54.59          2.43        1.6817    1   5   7
                54.60          6.54        1.6816    3   5   3
                54.86         10.10        1.6741    4   4   0
                55.53         16.59        1.6556    4   2   6
                55.92          2.91        1.6449    1   1  11
                55.92          4.73        1.6448    3   1   9
                55.93          1.79        1.6445    5   1   1
                57.52          6.70        1.6027    0   6   6
                57.53          2.03        1.6026    2   6   4
                57.80          6.45        1.5957    5   1   3
                58.35          2.01        1.5820    3   5   5
                58.60          1.64        1.5757    4   4   4
                59.44          3.23        1.5555    0   0  12
                59.45          1.30        1.5553    4   0   8
                60.71          4.63        1.5260    1   7   3
                60.99          2.60        1.5195    1   3  11
                61.00          4.98        1.5194    3   3   9
                61.01          1.14        1.5192    5   3   1
                61.42          1.93        1.5099    5   1   5
                61.95          3.46        1.4983    1   5   9
                62.78          3.89        1.4804    5   3   3
                63.71          1.38        1.4611    3   5   7
                64.23          1.88        1.4504    1   7   5
                64.91          1.59        1.4368    3   1  11
                66.26          7.63        1.4107    2   2  12
                66.24          1.59        1.4111    5   3   5
                66.64          1.24        1.4037    5   1   7
                66.70          2.06        1.4024    0   8   0
                67.66          1.19        1.3849    3   7   1
                68.08          2.54        1.3774    2   6   8
                68.09          1.54        1.3773    4   6   2
                68.17          1.37        1.3757    6   0   2
                69.05          3.31        1.3603    0   4  12
                69.06          2.71        1.3602    4   4   8
                69.33          1.20        1.3555    1   7   7
                69.34          3.01        1.3554    3   7   3
                69.60          2.09        1.3509    3   3  11
                69.65          4.11        1.3501    6   2   0
                70.49          1.66        1.3360    1   5  11
                70.49          3.67        1.3360    3   5   9
                70.50          1.17        1.3358    5   5   1
                71.72          1.72        1.3161    2   8   2
                72.15          2.01        1.3093    5   5   3
                72.64          1.05        1.3016    3   7   5
                72.93          1.13        1.2972    0   2  14
                73.29          2.55        1.2917    5   1   9
                74.68          6.06        1.2710    4   6   6
                74.76          3.88        1.2698    6   0   6
                75.88          1.89        1.2538    1   7   9
                76.37          2.67        1.2471    4   0  12
                77.24          1.00        1.2352    6   4   2
                77.75          2.12        1.2282    5   3   9
                78.11          2.14        1.2235    1   1  15
                78.19          5.73        1.2224    2   8   6
                78.60          1.15        1.2171    3   5  11
                79.20          1.80        1.2094    1   9   3
                81.30          1.41        1.1833    5   1  11
                82.50          1.93        1.1691    1   3  15
                82.55          1.30        1.1686    6   2   8
                82.89          1.92        1.1646    7   1   3
                82.95          2.68        1.1639    4   8   0
                83.56          1.61        1.1570    2   4  14
                83.57          4.03        1.1568    6   4   6
                83.82          2.10        1.1540    3   7   9
                84.22          4.54        1.1496    2   6  12
                85.13          3.96        1.1395    4   4  12
                85.40          1.34        1.1366    5   7   3
                86.00          1.65        1.1302    3   1  15
                86.49          1.74        1.1251    5   5   9
                87.07          1.69        1.1191    3   9   3
                87.23          1.34        1.1174    7   3   3
                87.36          2.15        1.1160    6   6   0
                88.80          1.30        1.1016    4   2  14
                88.80          1.30        1.1016    4   2  14
       XPOW Copyright 1993 Bob Downs, Ranjini Swaminathan and Kurt Bartelmehs
  For reference, see Downs et al. (1993) American Mineralogist 78, 1104-1107.