Natrojarosite
      Nestola F, Mills S J, Periotto B, Scandolo L
      Mineralogical Magazine 77 (2013) 3007-3017
      The alunite supergroup under high pressure: the case of natrojarosite,
      NaFe3(SO4)2(OH)6
      Note: P = 1.738 GPa
      Locality: Londonderry Li deposit, Nepean, Western Australia, Australia
      _database_code_amcsd 0020120

      CELL PARAMETERS:    7.2791   7.2791  16.2837   90.000   90.000  120.000
      SPACE GROUP: R-3m      
      X-RAY WAVELENGTH:     1.541838
      Cell Volume:    747.204
      Density (g/cm3):      3.831
      MAX. ABS. INTENSITY / VOLUME**2:      32.81541398    
      RIR:      2.789
      RIR based on corundum from Acta Crystallographica A38 (1982) 733-739
               2-THETA      INTENSITY    D-SPACING   H   K   L   Multiplicity
                15.07          9.32        5.8787    1   0   1         6
                16.33          1.75        5.4279    0   0   3         2
                17.79        100.00        4.9845    0   1   2         6
                24.46          4.80        3.6395    1   1   0         6
                28.85         85.73        3.0945    0   2   1         6
                29.55         56.03        3.0229    1   1   3        12
                30.41          7.56        2.9394    2   0   2         6
                30.90          7.79        2.8934    0   1   5         6
                33.01          9.56        2.7140    0   0   6         2
                36.04          4.48        2.4922    0   2   4         6
                38.17          5.05        2.3575    2   1   1        12
                39.40          5.23        2.2867    1   2   2        12
                41.37         26.68        2.1824    1   0   7         6
                43.05          2.02        2.1013    3   0   0         6
                46.33         21.91        1.9596    0   3   3         6
                46.91          2.05        1.9370    0   1   8         6
                47.27          1.43        1.9230    1   2   5        12
                48.65          9.36        1.8717    0   2   7         6
                50.13         20.46        1.8198    2   2   0         6
                50.44          4.92        1.8093    0   0   9         2
                53.08          4.63        1.7254    2   2   3        12
                53.60          5.23        1.7099    2   0   8         6
                53.61          3.49        1.7094    3   1   2        12
                56.83          1.85        1.6201    1   1   9        12
                57.35          6.39        1.6065    1   3   4        12
                58.87          2.04        1.5686    4   0   1         6
                59.75          6.12        1.5476    1   2   8        12
                59.77          6.39        1.5473    0   4   2         6
                60.06          3.96        1.5404    3   1   5        12
                61.33          9.99        1.5114    2   2   6        12
                63.28          3.95        1.4697    4   0   4         6
                64.40         11.07        1.4467    0   2  10         6
                65.56          3.52        1.4239    2   3   2        12
                65.84          1.76        1.4186    0   4   5         6
                68.43          4.16        1.3711    0   3   9         6
                70.25          2.21        1.3399    2   0  11         6
                70.64          2.80        1.3335    4   1   3        12
                70.64          1.86        1.3335    1   4   3        12
                72.44          2.31        1.3047    4   0   7         6
                73.86          1.76        1.2831    2   2   9        12
                77.76          4.60        1.2282    3   2   7        12
                85.80          1.05        1.1325    4   0  10         6
                87.11          1.50        1.1188    4   2   5        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.