Congolite
      Mendoza-Alvarez M E, Yvon K, Depmeier W, Schmid H
      Acta Crystallographica C41 (1985) 1551-1552
      Structure refinement of trigonal iron-chlorine boracite
      Locality: synthetic
      _database_code_amcsd 0019541

      CELL PARAMETERS:    8.6231   8.6231  21.0503   90.000   90.000  120.000
      SPACE GROUP: R3c       
      X-RAY WAVELENGTH:     1.541838
      Cell Volume:   1355.551
      Density (g/cm3):      3.576
      MAX. ABS. INTENSITY / VOLUME**2:      20.76464206    
      RIR:      1.890
      RIR based on corundum from Acta Crystallographica A38 (1982) 733-739
               2-THETA      INTENSITY    D-SPACING   H   K   L   Multiplicity
                14.54          9.07        6.0905    0   1   2         3
                20.60          4.99        4.3116    1   1   0         6
                20.65         16.94        4.3017    1   0   4         3
                25.31         23.55        3.5190    2   0   2         3
                25.39         29.53        3.5084    0   0   6         1
                29.33        100.00        3.0453    0   2   4         3
                32.85         34.19        2.7262    1   2   2         6
                32.91         20.03        2.7213    1   1   6         6
                36.08         15.73        2.4893    3   0   0         3
                41.91         24.59        2.1558    2   2   0         6
                42.01         26.26        2.1509    2   0   8         3
                43.93          9.21        2.0612    1   3   1         6
                43.94          7.74        2.0607    2   2   3         6
                44.00         10.86        2.0580    2   1   7         6
                44.05          8.41        2.0559    1   1   9         6
                44.59          1.48        2.0322    3   1   2         6
                44.63          8.69        2.0302    0   3   6         3
                44.63          2.82        2.0302    3   0   6         3
                47.22          5.51        1.9247    1   2   8         6
                49.59          8.97        1.8383    0   4   2         3
                49.63         16.99        1.8367    2   2   6         6
                49.72         18.31        1.8337    0   2  10         3
                51.97         18.66        1.7595    4   0   4         3
                52.14          3.95        1.7542    0   0  12         1
                54.25         12.17        1.6910    2   3   2         6
                54.37          7.41        1.6874    2   1  10         6
                56.47          3.22        1.6296    4   1   0         6
                56.49          8.09        1.6291    3   2   4         6
                56.65          1.57        1.6249    1   1  12         6
                58.11          1.02        1.5874    1   4   3         6
                58.25          1.09        1.5839    1   2  11         6
                60.84          5.07        1.5226    0   4   8         3
                62.84          4.02        1.4788    5   0   2         3
                62.88          3.11        1.4780    1   4   6         6
                62.88          4.54        1.4780    4   1   6         6
                62.96          1.23        1.4764    1   3  10         6
                63.07          2.41        1.4740    0   1  14         3
                64.90          3.62        1.4368    0   5   4         3
                64.95          3.45        1.4357    2   3   8         6
                65.05          1.96        1.4339    0   3  12         3
                65.05          2.59        1.4339    3   0  12         3
                66.89          1.79        1.3988    4   2   2         6
                67.00          3.31        1.3968    4   0  10         3
                67.11          4.90        1.3948    2   0  14         3
                68.88          7.39        1.3631    2   4   4         6
                69.02          8.38        1.3606    2   2  12         6
                72.81          3.70        1.2989    5   0   8         3
                73.02          1.23        1.2957    1   0  16         3
                76.54          3.21        1.2446    6   0   0         3
                76.61          8.20        1.2437    4   2   8         6
                76.82          3.86        1.2409    0   2  16         3
                80.35          1.15        1.1950    1   5   8         6
                80.44          2.06        1.1939    1   4  12         6
                82.24          1.03        1.1722    2   4  10         6
                82.34          1.10        1.1710    0   4  14         3
                85.86          1.30        1.1319    2   5   6         6
                86.03          1.92        1.1301    2   3  14         6
                87.92          1.45        1.1105    1   3  16         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.