Tunisite
      Effenberger H, Kluger F, Pertlik F, Zemann J
      Tschermaks Mineralogische und Petrographische Mitteilungen 28 (1981) 65-77
      Tunisit: kristallstruktur und revision der chemischen formel
      _database_code_amcsd 0015681

      CELL PARAMETERS:   11.1983  11.1983   6.5637   90.000   90.000   90.000
      SPACE GROUP: P4/nmm    
      X-RAY WAVELENGTH:     1.541838
      Cell Volume:    823.101
      Density (g/cm3):      2.512
      MAX. ABS. INTENSITY / VOLUME**2:      7.097741593    
      RIR:      0.920
      RIR based on corundum from Acta Crystallographica A38 (1982) 733-739
               2-THETA      INTENSITY    D-SPACING   H   K   L   Multiplicity
                11.17          5.66        7.9184    1   1   0         4
                13.49         13.57        6.5637    0   0   1         2
                15.65          5.74        5.6627    1   0   1         8
                15.83        100.00        5.5992    2   0   0         4
                17.55         26.20        5.0533    1   1   1         8
                20.85          6.09        4.2598    2   0   1         8
                22.33         16.26        3.9815    2   1   1        16
                25.15         72.67        3.5412    3   1   0         8
                26.29          5.52        3.3902    2   2   1         8
                27.17         25.17        3.2819    0   0   2         2
                27.49          4.74        3.2448    3   0   1         8
                28.34          2.12        3.1494    1   0   2         8
                28.64         26.14        3.1166    3   1   1        16
                29.46          5.93        3.0318    1   1   2         8
                31.60          2.50        2.8313    2   0   2         8
                31.88          1.23        2.8074    3   2   1        16
                31.97         20.19        2.7996    4   0   0         4
                32.62         36.28        2.7450    2   1   2        16
                34.84         67.83        2.5751    4   0   1         8
                35.53         25.52        2.5267    2   2   2         8
                35.78         16.45        2.5096    4   1   1        16
                36.70          2.22        2.4489    3   3   1         8
                37.36          5.60        2.4071    3   1   2        16
                38.48         18.81        2.3396    4   2   1        16
                39.97          2.05        2.2558    3   2   2        16
                42.08          5.71        2.1473    1   0   3         8
                42.44          6.35        2.1299    4   0   2         8
                42.66          2.01        2.1197    4   3   1        16
                42.66         23.01        2.1197    5   0   1         8
                43.24          4.14        2.0924    4   1   2        16
                43.45          1.21        2.0827    5   1   1        16
                44.03          1.45        2.0568    3   3   2         8
                44.46          2.20        2.0378    2   0   3         8
                45.23         10.15        2.0049    2   1   3        16
                45.57          6.37        1.9907    4   2   2        16
                45.77          3.31        1.9824    5   2   1        16
                45.84          8.42        1.9796    4   4   0         4
                48.00          4.19        1.8953    4   4   1         8
                48.79          5.92        1.8664    6   0   0         4
                48.94         10.40        1.8613    3   1   3        16
                49.97          8.74        1.8252    5   1   2        16
                50.86         25.69        1.7952    6   0   1         8
                51.06          4.32        1.7887    3   2   3        16
                52.07          8.36        1.7565    5   2   2        16
                53.13          8.79        1.7239    4   0   3         8
                53.61          2.56        1.7095    6   2   1        16
                54.10         19.30        1.6951    4   4   2         8
                54.47          3.00        1.6844    3   3   3         8
                55.43          4.51        1.6575    5   3   2        16
                55.80         12.55        1.6476    4   2   3        16
                56.04          4.51        1.6409    0   0   4         2
                56.74          8.24        1.6224    6   0   2         8
                56.92          1.41        1.6178    6   3   1        16
                58.26          6.39        1.5837    5   5   0         4
                58.62          2.44        1.5747    2   0   4         8
                59.47          1.14        1.5543    7   0   1         8
                59.53          2.32        1.5529    6   4   0         8
                59.93          1.08        1.5434    5   4   2        16
                60.10          2.36        1.5395    7   1   1        16
                62.37          5.34        1.4888    3   1   4        16
                63.24          2.69        1.4704    7   3   0         8
                65.00          9.32        1.4348    7   3   1        16
                65.44          3.45        1.4263    7   1   2        16
                65.77          2.94        1.4199    6   0   3         8
                66.58          2.47        1.4045    4   1   4        16
                66.62          1.85        1.4037    6   4   2        16
                66.84          1.63        1.3998    8   0   0         4
                67.17          8.31        1.3936    3   3   4         8
                68.13          1.85        1.3764    6   2   3        16
                68.54          1.55        1.3690    8   0   1         8
                70.13          4.15        1.3419    7   3   2        16
                70.86          3.72        1.3298    8   2   1        16
                71.49          3.85        1.3197    6   6   0         4
                73.14          1.99        1.2938    6   6   1         8
                73.56          1.56        1.2876    8   0   2         8
                75.21          1.89        1.2633    4   4   4         8
                76.01          2.03        1.2520    8   4   0         8
                77.56          1.65        1.2309    3   1   5        16
                77.64          2.04        1.2298    8   4   1        16
                78.04          3.95        1.2244    6   6   2         8
                78.35          4.20        1.2204    7   3   3        16
                79.66          1.12        1.2035    6   2   4        16
                80.01          1.62        1.1992    6   5   3        16
                80.40          1.27        1.1943    9   2   1        16
                80.87          2.39        1.1886    4   0   5         8
                81.97          1.94        1.1754    3   3   5         8
                82.21          1.32        1.1726    7   4   3        16
                83.07          2.70        1.1627    4   2   5        16
                83.55          3.89        1.1572    9   1   2        16
                86.23          2.52        1.1279    6   4   4        16
================================================================================
       XPOW Copyright 1993 Bob Downs, Ranjini Swaminathan and Kurt Bartelmehs
  For reference, see Downs et al. (1993) American Mineralogist 78, 1104-1107.