Hydronium jarosite
      Basciano L C, Peterson R C
      American Mineralogist 92 (2007) 1464-1473
      Jarosite - hydronium jarosite solid solution series with
      full iron occupancy: Mineralogy and crystal chemistry
      Locality: synthetic
      Sample: C
      _database_code_amcsd 0004431

      CELL PARAMETERS:    7.3428   7.3428  17.0316   90.000   90.000  120.000
      SPACE GROUP: R-3m      
      X-RAY WAVELENGTH:     1.541838
      Cell Volume:    795.261
      Density (g/cm3):      2.946
      MAX. ABS. INTENSITY / VOLUME**2:      19.85743388    
      RIR:      2.195
      RIR based on corundum from Acta Crystallographica A38 (1982) 733-739
               2-THETA      INTENSITY    D-SPACING   H   K   L   Multiplicity
                14.87          9.20        5.9574    1   0   1         6
                15.61         41.17        5.6772    0   0   3         2
                17.40        100.00        5.0952    0   1   2         6
                24.24          2.88        3.6714    1   1   0         6
                25.17          8.30        3.5380    1   0   4         6
                28.56         83.23        3.1255    0   2   1         6
                28.96         73.95        3.0829    1   1   3        12
                29.75          3.81        3.0027    0   1   5         6
                30.00          5.07        2.9787    2   0   2         6
                31.52         10.53        2.8386    0   0   6         2
                35.23         17.91        2.5476    0   2   4         6
                38.74          2.86        2.3243    2   0   5         6
                39.66         19.74        2.2724    1   0   7         6
                42.65          1.10        2.1197    3   0   0         6
                43.22          1.11        2.0931    2   1   4        12
                45.69         22.55        1.9858    0   3   3         6
                47.03          9.72        1.9322    0   2   7         6
                48.08          4.38        1.8924    0   0   9         2
                49.66         22.54        1.8357    2   2   0         6
                51.67          2.34        1.7690    2   0   8         6
                52.38          6.87        1.7467    2   2   3        12
                53.02          3.90        1.7270    3   1   2        12
                56.47          4.17        1.6294    1   3   4        12
                57.86          6.26        1.5937    1   2   8        12
                58.29          2.94        1.5829    4   0   1         6
                58.97          1.68        1.5662    3   1   5        12
                59.12          2.98        1.5628    0   4   2         6
                60.02         10.41        1.5415    2   2   6        12
                61.79         11.94        1.5013    0   2  10         6
                62.35          3.38        1.4893    4   0   4         6
                64.06          1.09        1.4535    3   2   1        12
                64.71          2.64        1.4406    0   4   5         6
                64.84          2.70        1.4379    2   3   2        12
                65.35          1.45        1.4280    1   3   7        12
                66.20          1.42        1.4117    0   3   9         6
                67.26          3.10        1.3920    2   0  11         6
                67.92          1.11        1.3801    3   2   4        12
                69.77          1.59        1.3480    1   4   3        12
                69.77          2.39        1.3480    4   1   3        12
                70.80          2.24        1.3309    4   0   7         6
                71.62          1.65        1.3176    2   2   9        12
                76.07          2.60        1.2512    3   2   7        12
                83.11          1.27        1.1622    4   0  10         6
                84.16          1.79        1.1503    2   1  13        12
                88.06          1.13        1.1092    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.