Sideronatrite
      Scordari F, Ventruti G
      American Mineralogist 94 (2009) 1679-1686
      Sideronatrite, Na2Fe(SO4)2(OH)*3H2O: Crystal structure of
      the orthorhombic polytype and OD character analysis
      Locality: Sierra Gorda, Chile
      _database_code_amcsd 0020665

      CELL PARAMETERS:    7.2650  20.5220   7.1200   90.000   90.000   90.000
      SPACE GROUP: P2_12_12_1
      X-RAY WAVELENGTH:     1.541838
      Cell Volume:   1061.537
      Density (g/cm3):      2.318
      MAX. ABS. INTENSITY / VOLUME**2:      27.08543434    
      RIR:      3.805
      RIR based on corundum from Acta Crystallographica A38 (1982) 733-739
               2-THETA      INTENSITY    D-SPACING   H   K   L   Multiplicity
                 8.62        100.00       10.2610    0   2   0         2
                12.93          8.32        6.8485    1   1   0         4
                13.16          2.90        6.7267    0   1   1         4
                14.94          3.95        5.9293    1   2   0         4
                15.15          3.81        5.8497    0   2   1         4
                17.44          1.81        5.0851    1   0   1         4
                17.81          1.44        4.9803    1   3   0         4
                17.97         10.01        4.9358    1   1   1         4
                17.98          1.10        4.9329    0   3   1         4
                19.48          9.64        4.5563    1   2   1         4
                21.78          2.29        4.0810    1   3   1         4
                24.51          7.00        3.6325    2   0   0         2
                24.65          1.82        3.6116    1   4   1         4
                25.04          1.80        3.5559    0   5   1         4
                26.02          6.92        3.4243    2   2   0         4
                26.05         10.57        3.4203    0   6   0         2
                27.81          1.75        3.2082    2   3   0         4
                27.91          4.16        3.1962    2   1   1         4
                27.94          2.12        3.1938    1   5   1         4
                28.25          2.26        3.1587    1   1   2         4
                28.85          3.28        3.0945    1   6   0         4
                28.93          6.73        3.0859    2   2   1         4
                28.96          2.57        3.0830    0   6   1         4
                29.26         25.81        3.0521    1   2   2         4
                30.56          3.31        2.9250    2   3   1         4
                30.87          1.43        2.8962    1   3   2         4
                32.95          2.43        2.7187    1   7   0         4
                33.01         18.43        2.7132    1   4   2         4
                33.04          1.77        2.7109    0   7   1         4
                34.98          2.81        2.5652    0   8   0         2
                35.60          1.61        2.5221    1   5   2         4
                36.41          1.52        2.4679    2   2   2         4
                37.17          2.23        2.4189    1   8   0         4
                37.39          4.29        2.4050    3   1   0         4
                39.56          1.18        2.2781    2   4   2         4
                43.17          1.44        2.0954    2   8   0         4
                43.38          1.56        2.0857    3   5   0         4
                44.13          1.71        2.0522    0  10   0         2
                44.40          3.97        2.0405    2   6   2         4
                45.29          1.68        2.0023    3   0   2         4
                45.52          1.06        1.9929    3   1   2         4
                45.92          2.18        1.9764    3   6   0         4
                47.33          2.15        1.9208    2   7   2         4
                47.34          2.81        1.9201    0   9   2         4
                48.82          1.21        1.8653    3   4   2         4
                51.33          4.06        1.7800    0   0   4         2
                55.34          1.98        1.6601    3   9   0         4
                57.67          1.06        1.5984    2   0   4         4
                58.43          1.43        1.5794    2   2   4         4
                58.45          1.39        1.5790    0   6   4         4
                58.64          4.73        1.5744    4   3   2         4
                61.49          3.34        1.5080    1  12   2         4
                61.62          1.54        1.5051    4   5   2         4
                61.66          1.04        1.5041    2  11   2         4
                78.21          1.15        1.2223    4  11   2         4
                84.94          1.10        1.1418    1   4   6         4
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       XPOW Copyright 1993 Bob Downs, Ranjini Swaminathan and Kurt Bartelmehs
  For reference, see Downs et al. (1993) American Mineralogist 78, 1104-1107.