Ferronigerite-6N6S
      Armbruster T, Feenstra A
      European Journal of Mineralogy 16 (2004) 247-254
      Lithium in nigerite-group minerals
      Locality: abandoned tin mine Tsomtaub, between Omaruru and Uis, Namibia
      _database_code_amcsd 0007037

      CELL PARAMETERS:    5.7109   5.7109  55.3730   90.000   90.000  120.000
      SPACE GROUP: R-3       
      X-RAY WAVELENGTH:     1.541838
      Cell Volume:   1564.004
      Density (g/cm3):      4.386
      MAX. ABS. INTENSITY / VOLUME**2:      24.57032254    
      RIR:      1.824
      RIR based on corundum from Acta Crystallographica A38 (1982) 733-739
               2-THETA      INTENSITY    D-SPACING   H   K   L   Multiplicity
                 4.79          3.36       18.4577    0   0   3         2
                 9.58          1.54        9.2288    0   0   6         2
                14.40          2.09        6.1526    0   0   9         2
                18.22          9.13        4.8687    0   1   2         6
                19.06         18.84        4.6575    1   0   4         6
                19.23          1.92        4.6144    0   0  12         2
                19.66         25.95        4.5159    0   1   5         6
                21.19         20.39        4.1936    1   0   7         6
                22.09          7.85        4.0241    0   1   8         6
                24.13          5.85        3.6887    1   0  10         6
                27.64          1.01        3.2275    1   0  13         6
                28.90          3.87        3.0889    0   1  14         6
                31.33         64.49        2.8554    1   1   0         6
                31.55         78.46        2.8355    1   0  16         6
                32.93         14.16        2.7203    0   1  17         6
                35.76          3.50        2.5109    1   0  19         6
                36.37          1.36        2.4704    0   2   1         6
                36.92         37.16        2.4344    0   2   4         6
                37.02         50.00        2.4281    2  -1  12         6
                37.02         50.00        2.4281    1   1  12         6
                37.22         23.60        2.4159    0   1  20         6
                39.93          1.96        2.2580    0   2  10         6
                40.20          1.30        2.2432    1   0  22         6
                40.65          6.39        2.2195    2   0  11         6
                42.26          3.79        2.1386    0   2  13         6
                43.14          9.83        2.0968    2   0  14         6
                45.06          2.01        2.0120    0   2  16         6
                46.08         12.08        1.9696    2   0  17         6
                46.90          1.86        1.9372    1   1  21         6
                46.90          1.86        1.9372    2  -1  21         6
                48.27          6.75        1.8856    0   2  19         6
                49.18          4.71        1.8525    2   1   4         6
                49.18          4.71        1.8525    3  -1   4         6
                49.45          1.52        1.8433   -1   3   5         6
                49.45          1.52        1.8433    1   2   5         6
                49.65          5.61        1.8363    1   0  28         6
                51.29          3.05        1.7813    0   1  29         6
                51.83          2.41        1.7640    0   2  22         6
                54.63          1.47        1.6800    1   0  31         6
                54.70          1.24        1.6780    0   0  33         2
                55.76         10.38        1.6486    3   0   0         6
                55.90         13.72        1.6447    2   1  16         6
                55.90         13.72        1.6447    3  -1  16         6
                56.33          6.31        1.6333    0   1  32         6
                56.78          3.52        1.6213   -1   3  17         6
                56.78          3.52        1.6213    1   2  17         6
                57.07          1.04        1.6137    2   0  26         6
                58.67          1.51        1.5735    2   1  19         6
                58.67          1.51        1.5735    3  -1  19         6
                59.55         14.17        1.5525    0   3  12         6
                59.55          8.97        1.5525    3   0  12         6
                59.68          8.39        1.5493   -1   3  20         6
                59.68          8.39        1.5493    1   2  20         6
                59.89         25.50        1.5445    0   2  28         6
                61.34          4.98        1.5113    2   0  29         6
                64.34          2.95        1.4480    0   2  31         6
                64.40          1.19        1.4467    1   1  33         6
                64.40          1.19        1.4467    2  -1  33         6
                65.36         43.49        1.4277    2   2   0         6
                65.88         26.22        1.4178    2   0  32         6
                70.50          1.36        1.3358    1   2  29         6
                70.50          1.36        1.3358   -1   3  29         6
                74.39          4.82        1.2752    1   3  16         6
                74.39          4.82        1.2752   -1   4  16         6
                74.76          1.96        1.2699    1   2  32         6
                74.76          1.96        1.2699   -1   3  32         6
                75.15          1.11        1.2642    4  -1  17         6
                75.15          1.11        1.2642    3   1  17         6
                77.51          4.26        1.2315    4   0   4         6
                77.69          2.31        1.2291    4  -1  20         6
                77.69          2.31        1.2291    3   1  20         6
                78.41          3.76        1.2196    0   1  44         6
                83.66          1.37        1.1560    0   4  17         6
                88.82          1.75        1.1017    1   0  49         6
================================================================================
       XPOW Copyright 1993 Bob Downs, Ranjini Swaminathan and Kurt Bartelmehs
  For reference, see Downs et al. (1993) American Mineralogist 78, 1104-1107.