Natrojarosite
      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: P
      _database_code_amcsd 0004576

      CELL PARAMETERS:    7.3152   7.3152  16.5868   90.000   90.000  120.000
      SPACE GROUP: R-3m      
      X-RAY WAVELENGTH:     1.541838
      Cell Volume:    768.691
      Density (g/cm3):      3.141
      MAX. ABS. INTENSITY / VOLUME**2:      18.19423034    
      RIR:      1.886
      RIR based on corundum from Acta Crystallographica A38 (1982) 733-739
               2-THETA      INTENSITY    D-SPACING   H   K   L   Multiplicity
                14.97         21.13        5.9182    1   0   1         6
                16.03         33.66        5.5289    0   0   3         2
                17.62         82.58        5.0344    0   1   2         6
                24.34          7.35        3.6576    1   1   0         6
                25.68          9.32        3.4695    1   0   4         6
                28.69         96.15        3.1114    0   2   1         6
                29.28        100.00        3.0505    1   1   3        12
                30.20         12.51        2.9591    2   0   2         6
                30.42          2.90        2.9388    0   1   5         6
                32.39         20.06        2.7645    0   0   6         2
                35.67         19.68        2.5172    0   2   4         6
                39.16          1.39        2.3005    1   2   2        12
                39.33          2.72        2.2909    2   0   5         6
                40.65         31.70        2.2194    1   0   7         6
                46.01         33.13        1.9727    0   3   3         6
                46.06          1.63        1.9705    0   1   8         6
                46.79          1.37        1.9415    1   2   5        12
                47.95         13.50        1.8974    0   2   7         6
                49.45          4.71        1.8430    0   0   9         2
                49.86         36.57        1.8288    2   2   0         6
                52.72          7.59        1.7363    2   2   3        12
                52.77          5.45        1.7348    2   0   8         6
                53.29          6.12        1.7189    3   1   2        12
                54.48          2.67        1.6843    2   1   7        12
                55.86          2.65        1.6459    1   1   9        12
                56.92          5.10        1.6178    1   3   4        12
                58.55          6.04        1.5766    4   0   1         6
                58.92          8.26        1.5674    1   2   8        12
                59.41          7.31        1.5557    0   4   2         6
                59.54          4.16        1.5527    3   1   5        12
                60.72         16.84        1.5253    2   2   6        12
                62.81          6.16        1.4796    4   0   4         6
                63.29         18.72        1.4694    0   2  10         6
                64.34          1.56        1.4478    3   2   1        12
                65.16          3.78        1.4316    2   3   2        12
                65.28          3.33        1.4293    0   4   5         6
                66.22          1.83        1.4114    1   3   7        12
                67.45          3.75        1.3885    0   3   9         6
                68.40          1.84        1.3716    3   2   4        12
                68.98          5.05        1.3615    2   0  11         6
                70.17          3.10        1.3412    1   4   3        12
                70.17          5.22        1.3412    4   1   3        12
                71.67          2.78        1.3167    4   0   7         6
                72.86          3.33        1.2981    2   2   9        12
                76.96          6.26        1.2389    3   2   7        12
                80.42          1.36        1.1941    2   4   1        12
                84.17          1.04        1.1503    2   4   4        12
                84.60          2.63        1.1455    4   0  10         6
                86.40          2.00        1.1261    4   2   5        12
                86.41          2.73        1.1260    2   1  13        12
                88.71          2.61        1.1027    2   2  12        12
                89.81          2.88        1.0921    0   4  11         6
================================================================================
       XPOW Copyright 1993 Bob Downs, Ranjini Swaminathan and Kurt Bartelmehs
  For reference, see Downs et al. (1993) American Mineralogist 78, 1104-1107.