Arakiite
      Cooper M A, Hawthorne F C
      The Canadian Mineralogist 37 (1999) 1471-1482
      The effect of differences in coordination on ordering of
      polyvalent cations in close-packed structures: The crystal
      structure of arakiite and comparison with hematolite
      _database_code_amcsd 0005637

      CELL PARAMETERS:   14.2360   8.2060  24.2250   90.000   93.520   90.000
      SPACE GROUP: Cc        
      X-RAY WAVELENGTH:     1.541838
      Cell Volume:   2824.641
      Density (g/cm3):      3.412
      MAX. ABS. INTENSITY / VOLUME**2:      8.494147359    
      RIR:      0.811
      RIR based on corundum from Acta Crystallographica A38 (1982) 733-739
               2-THETA      INTENSITY    D-SPACING   H   K   L   Multiplicity
                 7.31        100.00       12.0896    0   0   2         1
                12.46          7.09        7.1046    2   0   0         1
                12.88          7.84        6.8751   -1   1   1         2
                13.09          5.51        6.7618    1   1   1         2
                14.07          2.24        6.2964   -2   0   2         1
                14.65         63.93        6.0448    0   0   4         1
                14.85         13.34        5.9673    2   0   2         1
                16.37         15.31        5.4133   -1   1   3         2
                16.89         24.63        5.2508    1   1   3         2
                18.68         21.19        4.7501   -2   0   4         1
                19.86          3.56        4.4704    2   0   4         1
                21.66         35.69        4.1030    0   2   0         2
                21.66          1.12        4.1021    3   1   0         2
                21.78         39.76        4.0803   -3   1   1         2
                21.91         12.38        4.0563   -1   1   5         2
                21.97          2.24        4.0452    0   2   1         2
                22.06         45.68        4.0299    0   0   6         1
                22.17         19.04        4.0093    3   1   1         2
                22.51          6.56        3.9490   -3   1   2         2
                22.56         24.85        3.9420    1   1   5         2
                22.89          3.22        3.8853    0   2   2         2
                23.27          9.20        3.8232    3   1   2         2
                23.81          2.13        3.7371   -3   1   3         2
                24.34         12.31        3.6565    0   2   3         2
                24.72          1.66        3.6014   -2   0   6         1
                25.06          2.75        3.5530    2   2   0         2
                25.07          1.09        3.5523    4   0   0         1
                25.59         11.61        3.4814   -3   1   4         2
                25.70          2.95        3.4663   -4   0   2         1
                25.92         10.78        3.4376   -2   2   2         2
                26.08         12.86        3.4164    2   0   6         1
                26.25          8.80        3.3948    0   2   4         2
                26.36         21.54        3.3809    2   2   2         2
                26.58          6.37        3.3530    4   0   2         1
                26.91         12.29        3.3135    3   1   4         2
                27.75          1.15        3.2149    2   2   3         2
                27.76         29.84        3.2137   -3   1   5         2
                28.35         15.34        3.1482   -4   0   4         1
                28.38         32.93        3.1448   -1   1   7         2
                28.53         18.61        3.1286    0   2   5         2
                28.75         21.41        3.1050   -2   2   4         2
                29.09         17.55        3.0698    1   1   7         2
                29.29         24.41        3.0493    3   1   5         2
                29.55         28.23        3.0228    2   2   4         2
                29.56         13.10        3.0224    0   0   8         1
                29.95         20.13        2.9836    4   0   4         1
                30.25         10.03        2.9544   -3   1   6         2
                31.11          4.11        2.8751    0   2   6         2
                31.45          8.52        2.8448   -2   0   8         1
                31.95          9.58        2.8013    3   1   6         2
                32.56         19.14        2.7498   -4   0   6         1
                32.91          5.84        2.7217    2   0   8         1
                33.00          1.63        2.7143   -3   1   7         2
                33.10         17.29        2.7067   -2   2   6         2
                33.36          2.33        2.6860    1   3   0         2
                33.37          7.01        2.6854    5   1   0         2
                33.40          7.89        2.6829   -4   2   1         2
                33.53          5.06        2.6730   -1   3   1         2
                33.75          3.37        2.6557    4   2   1         2
                33.77          2.76        2.6543   -5   1   2         2
                33.80          6.55        2.6521    5   1   1         2
                33.85          8.50        2.6478   -4   2   2         2
                33.92          6.34        2.6425    0   2   7         2
                34.11         15.40        2.6285   -1   3   2         2
                34.15         24.98        2.6254    2   2   6         2
                34.28          1.24        2.6157    1   3   2         2
                34.55          7.66        2.5963    4   2   2         2
                34.59          8.20        2.5932   -5   1   3         2
                34.64          4.00        2.5899    5   1   2         2
                34.67          3.15        2.5872    4   0   6         1
                34.71          1.89        2.5841   -4   2   3         2
                34.83          3.66        2.5756    3   1   7         2
                35.09         17.01        2.5572   -1   3   3         2
                35.35          4.77        2.5394    1   3   3         2
                35.35          1.90        2.5389   -1   1   9         2
                35.86         18.16        2.5045    5   1   3         2
                35.96         17.48        2.4977   -4   2   4         2
                35.96          5.40        2.4975   -3   1   8         2
                36.10          3.04        2.4878    1   1   9         2
                36.45          5.99        2.4652   -1   3   4         2
                36.77          3.03        2.4441    1   3   4         2
                36.94          4.78        2.4335    0   2   8         2
                37.18          9.28        2.4179    0   0  10         1
                37.26         11.61        2.4131    4   2   4         2
                37.35         11.52        2.4077   -5   1   5         2
                37.43         21.69        2.4029    5   1   4         2
                37.55         25.66        2.3955   -4   2   5         2
                37.90          2.82        2.3737    3   1   8         2
                37.99          1.03        2.3687    3   3   0         2
                38.00          7.20        2.3682    6   0   0         1
                38.06         13.61        2.3645   -3   3   1         2
                38.14         14.98        2.3598   -1   3   5         2
                38.28          3.45        2.3514   -6   0   2         1
                38.29          7.12        2.3504    3   3   1         2
                38.51          9.07        2.3379   -2   2   8         2
                38.53         11.39        2.3366    1   3   5         2
                39.09          1.22        2.3043   -3   1   9         2
                39.12          2.42        2.3029    4   2   5         2
                39.22          3.50        2.2970   -5   1   6         2
                39.31          4.45        2.2919    5   1   5         2
                39.45          3.56        2.2843   -4   2   6         2
                40.00          2.09        2.2539    3   3   3         2
                40.13          3.67        2.2471   -1   3   6         2
                40.35          2.58        2.2352    4   0   8         1
                40.58          4.99        2.2232    1   3   6         2
                41.13          1.87        2.1946    3   1   9         2
                41.25          1.91        2.1884    4   2   6         2
                41.37          1.36        2.1823   -5   1   7         2
                41.48          1.64        2.1771    5   1   6         2
                41.63          1.52        2.1695   -4   2   7         2
                41.81          4.19        2.1604    6   0   4         1
                41.95          7.23        2.1535   -3   3   5         2
                42.39          5.83        2.1324   -1   3   7         2
                42.89          2.87        2.1086    1   3   7         2
                43.03          4.57        2.1019    3   3   5         2
                43.10          2.19        2.0988   -6   0   6         1
                43.44          3.94        2.0831    0   2  10         2
                43.64          7.73        2.0740    4   2   7         2
                43.78          7.33        2.0679   -5   1   8         2
                43.89          7.77        2.0629    5   1   7         2
                44.05          7.57        2.0555   -4   2   8         2
                44.15          3.36        2.0515    0   4   0         2
                44.16          5.67        2.0511    6   2   0         2
                44.68          2.79        2.0281   -2   2  10         2
                44.88         10.51        2.0194   -1   3   8         2
                44.99          1.11        2.0149    0   0  12         1
                45.43          8.43        1.9963    1   3   8         2
                45.78          3.82        1.9819   -3   1  11         2
                45.99          1.71        1.9735   -7   1   1         2
                46.05          1.21        1.9710    2   2  10         2
                46.05          1.18        1.9710    2   4   0         2
                46.06          1.77        1.9705   -2   0  12         1
                46.52          5.06        1.9520    5   1   8         2
                46.70          3.85        1.9450   -4   2   9         2
                46.73          1.68        1.9441    4   0  10         1
                46.76          1.82        1.9427    0   4   4         2
                46.80          1.34        1.9410   -7   1   3         2
                46.83          1.45        1.9401    2   4   2         2
                47.03          1.20        1.9321    5   3   2         2
                47.19          2.46        1.9261    3   3   7         2
                47.29          1.74        1.9223   -6   0   8         1
                47.57          4.00        1.9116    6   2   4         2
                47.66          1.83        1.9080    2   0  12         1
                47.68          1.51        1.9073   -7   1   4         2
                47.94          1.25        1.8976   -5   3   4         2
                47.98          1.23        1.8960    3   1  11         2
                48.18          1.36        1.8886    0   4   5         2
                48.18          2.22        1.8886    1   3   9         2
                48.19          1.91        1.8883    7   1   3         2
                48.33          2.68        1.8834   -2   4   4         2
                48.73          3.98        1.8685   -6   2   6         2
                48.85          1.09        1.8645    2   4   4         2
                49.06          7.75        1.8568    4   2   9         2
                49.18          2.11        1.8528   -5   3   5         2
                49.22          7.42        1.8511   -5   1  10         2
                49.24          1.33        1.8506    5   3   4         2
                50.33          3.81        1.8130   -1   1  13         2
                50.39          2.73        1.8109    6   0   8         1
                50.49          2.40        1.8075   -1   3  10         2
                50.58          4.70        1.8044   -3   3   9         2
                50.76          1.62        1.7985    5   3   5         2
                51.12          3.07        1.7868    1   3  10         2
                51.15          2.15        1.7860    1   1  13         2
                51.44          2.51        1.7765    4   4   0         2
                51.44          4.56        1.7763   -2   2  12         2
                51.55          1.66        1.7730   -8   0   2         1
                51.99          3.53        1.7588    2   4   6         2
                52.04          2.56        1.7572   -7   1   7         2
                52.06          2.19        1.7568    4   2  10         2
                52.23          1.76        1.7515   -5   1  11         2
                52.27          3.28        1.7503    3   3   9         2
                52.28          2.89        1.7499    4   4   2         2
                52.37          7.12        1.7472    5   1  10         2
                52.39          1.67        1.7463   -6   0  10         1
                52.55          1.07        1.7414    5   3   6         2
                52.56          8.73        1.7411   -4   2  11         2
                52.57          2.27        1.7407   -6   2   8         2
                52.82          2.27        1.7331   -8   0   4         1
                53.02          1.15        1.7271    0   0  14         1
                53.56          5.78        1.7109   -1   3  11         2
                53.66          3.26        1.7082    4   0  12         1
                54.02          2.41        1.6974    0   4   8         2
                54.14          1.64        1.6940    0   2  13         2
                54.23          2.12        1.6915    1   3  11         2
                54.26          1.32        1.6905    4   4   4         2
                54.59          3.14        1.6812    5   3   7         2
                55.01          2.61        1.6693    7   1   7         2
                55.20          2.76        1.6640   -2   4   8         2
                55.21          2.23        1.6636    4   2  11         2
                55.40          2.33        1.6585   -5   1  12         2
                55.46          1.04        1.6567    6   2   8         2
                55.54          4.46        1.6545    5   1  11         2
                55.75          3.81        1.6489   -4   2  12         2
                55.92          1.67        1.6443   -4   4   6         2
                56.00          2.50        1.6422    6   0  10         1
                56.14          1.45        1.6382    2   4   8         2
                56.21          4.68        1.6365   -3   3  11         2
                56.22          1.59        1.6361   -7   1   9         2
                56.44          1.45        1.6304    1   5   0         2
                56.60          1.89        1.6261   -7   3   2         2
                56.72          1.78        1.6229   -3   1  14         2
                56.74          1.09        1.6223   -5   3   9         2
                56.80          6.40        1.6209   -1   3  12         2
                56.83          2.04        1.6202    8   2   1         2
                56.94          1.52        1.6172   -1   5   2         2
                57.09          2.06        1.6132   -7   3   3         2
                57.47          2.43        1.6034    8   2   2         2
                57.49          3.85        1.6029    1   3  12         2
                57.60          2.70        1.6002   -1   5   3         2
                57.86          1.31        1.5937   -7   3   4         2
                57.92          1.28        1.5922   -4   0  14         1
                58.02          4.33        1.5897    8   0   6         1
                58.12          3.28        1.5871    3   3  11         2
                58.27          1.58        1.5834   -6   0  12         1
                58.30          1.37        1.5826    7   3   3         2
                58.39          1.16        1.5804    8   2   3         2
                58.53         14.67        1.5770    4   2  12         2
                58.53          1.51        1.5769   -1   5   4         2
                58.72          3.29        1.5724   -2   2  14         2
                58.72         14.65        1.5723   -5   1  13         2
                58.76          1.27        1.5713    1   5   4         2
                58.87          2.65        1.5686    5   1  12         2
                58.89          1.86        1.5683   -7   3   5         2
                59.05          1.57        1.5643    0   4  10         2
                59.09          1.93        1.5634   -4   2  13         2
                59.13          1.64        1.5623    3   1  14         2
                59.16          1.57        1.5617    1   1  15         2
                59.52         24.42        1.5532   -9   1   1         2
                59.55          6.25        1.5525   -4   4   8         2
                59.57          3.21        1.5519    8   2   4         2
                59.59          5.48        1.5514   -6   4   1         2
                59.62          7.44        1.5507    3   5   0         2
                59.63         17.76        1.5506    6   4   0         2
                59.64          3.14        1.5504    9   1   0         2
                59.67          2.60        1.5496   -9   1   2         2
                59.67         13.71        1.5496   -3   5   1         2
                59.73          2.93        1.5482   -1   5   5         2
                59.83          4.31        1.5459   -6   4   2         2
                59.84          5.43        1.5456    3   5   1         2
                59.93          1.81        1.5435    6   4   1         2
                59.99          2.14        1.5421   -3   5   2         2
                60.01          2.83        1.5416    1   5   5         2
                60.01          3.95        1.5415   -8   2   6         2
                60.02          1.03        1.5413    9   1   1         2
                60.19          2.36        1.5375   -1   3  13         2
                60.30          1.76        1.5349    2   2  14         2
                60.33          1.15        1.5342   -6   4   3         2
                60.58          1.82        1.5285   -3   5   3         2
                60.75          1.49        1.5246    6   2  10         2
                60.77          1.32        1.5240   -9   1   4         2
                60.86          2.59        1.5221    7   3   5         2
                60.91          8.84        1.5209    1   3  13         2
                61.08          1.45        1.5172    3   5   3         2
                61.10          1.59        1.5167   -6   4   4         2
                61.17          1.12        1.5151   -1   5   6         2
                61.33          1.76        1.5114    6   4   3         2
                61.34          1.43        1.5114    4   4   8         2
                61.35          2.50        1.5112    0   0  16         1
                61.43          1.08        1.5094   -3   5   4         2
                61.51          2.08        1.5077    1   5   6         2
                61.72          3.88        1.5030   -7   3   7         2
                62.36          3.27        1.4891    5   1  13         2
                62.58          3.07        1.4843   -4   2  14         2
                62.68          2.61        1.4823    8   2   6         2
                62.86          1.52        1.4784   -1   5   7         2
                63.28          2.06        1.4697   -8   2   8         2
                63.35          1.05        1.4681    3   5   5         2
                64.37          1.50        1.4474   -9   1   7         2
                64.39          2.64        1.4469    7   3   7         2
                64.48          1.13        1.4451    1   3  14         2
                64.92          1.11        1.4363   -6   4   7         2
                66.66          1.85        1.4030   -1   1  17         2
                67.56          1.53        1.3865    1   1  17         2
                67.79          1.12        1.3824   -5   3  13         2
                67.96          1.65        1.3793   -9   1   9         2
                68.17          2.09        1.3755    2   2  16         2
                68.20          3.84        1.3751    1   3  15         2
                68.53          1.97        1.3693   -9   3   1         2
                69.20          1.33        1.3576    6   4   8         2
                69.37          2.54        1.3546    4   2  15         2
                69.59          2.07        1.3509   -5   1  16         2
                70.01          1.10        1.3439   -4   2  16         2
                70.06          1.19        1.3430  -10   2   2         2
                70.07          1.04        1.3428    8   4   0         2
                70.61          1.25        1.3339    0   6   4         2
                70.86          1.36        1.3298   -6   4  10         2
                70.98          1.03        1.3279    8   4   2         2
                71.03          1.39        1.3271  -10   2   4         2
                71.55          1.28        1.3187    9   3   4         2
                71.70          1.17        1.3163   -9   3   6         2
                72.16          2.24        1.3091    9   1   9         2
                72.45          1.93        1.3045   -9   1  11         2
                72.72          1.49        1.3003    5   5   7         2
                73.29          1.67        1.2916    4   2  16         2
                73.39          1.36        1.2902    2   6   5         2
                73.52          1.39        1.2882   -5   1  17         2
                73.93          1.70        1.2820    6   4  10         2
                74.11          1.79        1.2793   -3   5  11         2
                74.79          1.11        1.2695   -2   2  18         2
                75.91          1.12        1.2534   -6   4  12         2
                76.64          1.21        1.2433    4   6   4         2
                77.44          1.07        1.2324    8   4   7         2
                77.60          1.01        1.2303   -1   5  13         2
                77.63          1.02        1.2299  -10   2   9         2
                78.25          1.51        1.2218    1   5  13         2
                78.36          1.66        1.2202   -8   2  14         2
                79.24          3.86        1.2090    0   0  20         1
                80.19          1.07        1.1970    7   3  13         2
                83.49          1.10        1.1578  -10   4   4         2
                85.45          1.24        1.1362   10   4   4         2
                85.97          1.29        1.1307    5   3  17         2
                86.65          1.77        1.1236   -2   6  12         2
                87.76          1.08        1.1122  -12   2   6         2
                87.82          1.37        1.1116    2   6  12         2
                89.59          1.10        1.0942    8   4  12         2
================================================================================
       XPOW Copyright 1993 Bob Downs, Ranjini Swaminathan and Kurt Bartelmehs
  For reference, see Downs et al. (1993) American Mineralogist 78, 1104-1107.