Hydroniumpharmacosiderite
      Mills S J, Hager S L, Leverett P, Williams P A, Raudsepp M
      Mineralogical Magazine 74 (2010) 487-492
      The structure of H3O+ - exchanged pharmacosiderite
      Locality: Gold Hill mine, Gold Hill, Tooele County, Utah, USA
      _database_code_amcsd 0014603

      CELL PARAMETERS:    7.9820   7.9820   7.9820   90.000   90.000   90.000
      SPACE GROUP: P-43m     
      X-RAY WAVELENGTH:     1.541838
      Cell Volume:    508.552
      Density (g/cm3):      2.586
      MAX. ABS. INTENSITY / VOLUME**2:      71.01672120    
      RIR:      8.941
      RIR based on corundum from Acta Crystallographica A38 (1982) 733-739
               2-THETA      INTENSITY    D-SPACING   H   K   L   Multiplicity
                11.08        100.00        7.9820    1   0   0         6
                19.26         23.54        4.6084    1   1   1         4
                22.28         12.21        3.9910    2   0   0         6
                24.94          1.31        3.5697    2   1   0        24
                27.37         20.32        3.2586    2   1   1        12
                31.71         17.85        2.8221    2   2   0        12
                33.69          2.73        2.6607    2   2   1        12
                33.69          4.05        2.6607    3   0   0         6
                35.57         12.82        2.5241    3   1   0        24
                37.37         16.04        2.4067    3   1   1        12
                39.09          4.46        2.3042    2   2   2         4
                42.37          2.15        2.1333    3   2   1        24
                46.93          2.50        1.9359    4   1   0        24
                48.38          4.05        1.8814    4   1   1        12
                48.38          1.01        1.8814    3   3   0        12
                49.79          2.24        1.8312    3   3   1        12
                51.18          7.25        1.7848    4   2   0        24
                52.54          2.30        1.7418    4   2   1        24
                53.87          1.29        1.7018    3   3   2        12
                56.48          4.93        1.6293    4   2   2        12
                57.75          5.93        1.5964    4   3   0        24
                60.25          3.49        1.5361    5   1   1        12
                60.25          1.94        1.5361    3   3   3         4
                63.88          2.96        1.4573    5   2   1        24
                66.23          6.86        1.4110    4   4   0        12
                67.40          2.18        1.3895    4   4   1        12
                68.55          1.91        1.3689    4   3   3        12
                69.69          3.62        1.3492    5   3   1        24
                70.83          1.44        1.3303    4   4   2        12
                78.59          1.35        1.2172    5   3   3        12
                79.68          1.27        1.2033    6   2   2        12
                87.22          1.44        1.1177    5   5   1        12
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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.