Hydroniumjarosite
      Basciano L C, Peterson R C
      American Mineralogist 93 (2008) 853-862
      Crystal chemistry of the natrojarosite-jarosite and natrojarosite-hydronium
      jarosite solid-solution: A synthetic study with full Fe site occupancy
      Locality: synthetic
      Sample: S
      _database_code_amcsd 0004579

      CELL PARAMETERS:    7.3388   7.3388  16.8105   90.000   90.000  120.000
      SPACE GROUP: R-3m      
      X-RAY WAVELENGTH:     1.541838
      Cell Volume:    784.073
      Density (g/cm3):      3.008
      MAX. ABS. INTENSITY / VOLUME**2:      19.12168861    
      RIR:      2.070
      RIR based on corundum from Acta Crystallographica A38 (1982) 733-739
               2-THETA      INTENSITY    D-SPACING   H   K   L   Multiplicity
                14.90         11.54        5.9449    1   0   1         6
                15.82         43.01        5.6035    0   0   3         2
                17.49        100.00        5.0695    0   1   2         6
                24.26          4.21        3.6694    1   1   0         6
                25.41         10.09        3.5055    1   0   4         6
                28.59         92.47        3.1225    0   2   1         6
                29.09         80.84        3.0698    1   1   3        12
                30.06          7.94        2.9724    2   0   2         6
                30.07          4.16        2.9719    0   1   5         6
                31.94         15.71        2.8017    0   0   6         2
                35.41         15.98        2.5347    0   2   4         6
                39.00          3.26        2.3094    2   0   5         6
                40.14         25.93        2.2465    1   0   7         6
                40.51          1.81        2.2268    1   1   6        12
                42.68          1.14        2.1185    3   0   0         6
                45.46          1.28        1.9951    0   1   8         6
                45.79         27.36        1.9816    0   3   3         6
                47.45         11.95        1.9159    0   2   7         6
                48.75          5.57        1.8678    0   0   9         2
                49.69         28.88        1.8347    2   2   0         6
                52.19          3.46        1.7528    2   0   8         6
                52.48          8.20        1.7436    2   2   3        12
                53.09          6.31        1.7252    3   1   2        12
                53.99          1.45        1.6984    2   1   7        12
                55.18          1.12        1.6646    1   1   9        12
                56.62          5.01        1.6255    1   3   4        12
                58.33          5.51        1.5818    4   0   1         6
                58.34          7.53        1.5816    1   2   8        12
                59.18          5.14        1.5612    0   4   2         6
                59.18          2.91        1.5612    3   1   5        12
                60.30         12.86        1.5349    2   2   6        12
                62.49          4.61        1.4862    4   0   4         6
                62.50         16.17        1.4859    0   2  10         6
                64.11          1.08        1.4526    3   2   1        12
                64.91          3.61        1.4366    2   3   2        12
                64.91          3.34        1.4365    0   4   5         6
                65.71          1.45        1.4210    1   3   7        12
                66.77          2.29        1.4010    0   3   9         6
                68.06          1.93        1.3775    3   2   4        12
                68.08          4.25        1.3772    2   0  11         6
                69.87          3.54        1.3463    4   1   3        12
                69.87          2.14        1.3463    1   4   3        12
                71.15          2.58        1.3251    4   0   7         6
                72.17          3.56        1.3089    2   2   9        12
                76.42          4.54        1.2463    3   2   7        12
                80.10          1.11        1.1980    2   4   1        12
                83.77          2.10        1.1547    4   0  10         6
                85.23          2.44        1.1386    2   1  13        12
                85.93          1.56        1.1311    4   2   5        12
                87.64          1.40        1.1134    2   2  12        12
                88.84          2.03        1.1014    0   4  11         6
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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.