Arfvedsonite
      Hawthorne F C
      The Canadian Mineralogist 14 (1976) 346-356
      The crystal chemistry of the amphiboles: V. The structure and
      chemistry of arfvedsonite
      _database_code_amcsd 0005126

      CELL PARAMETERS:   10.0070  18.0770   5.3320   90.000  104.101   90.000
      SPACE GROUP: C2/m      
      X-RAY WAVELENGTH:     1.541838
      Cell Volume:    935.477
      Density (g/cm3):      3.538
      MAX. ABS. INTENSITY / VOLUME**2:      10.31904560    
      RIR:      0.950
      RIR based on corundum from Acta Crystallographica A38 (1982) 733-739
               2-THETA      INTENSITY    D-SPACING   H   K   L   Multiplicity
                 9.79          5.28        9.0385    0   2   0         2
                10.35        100.00        8.5510    1   1   0         4
                17.15          9.76        5.1713    0   0   1         2
                17.32         16.88        5.1193    1   3   0         4
                18.28         15.08        4.8527    2   0   0         2
                19.64         10.67        4.5192    0   4   0         2
                19.78          1.01        4.4886    0   2   1         4
                20.78          4.13        4.2755    2   2   0         4
                21.85          5.98        4.0676   -2   0   1         2
                21.91         18.34        4.0563    1   1   1         4
                22.82          1.92        3.8971   -1   3   1         4
                26.02         58.55        3.4247    1   3   1         4
                26.19         18.93        3.4029    0   4   1         4
                26.96         33.84        3.3072    2   4   0         4
                28.02         52.64        3.1846    3   1   0         4
                29.19         10.42        3.0589   -3   1   1         4
                29.55         11.62        3.0233   -2   4   1         4
                29.65          1.25        3.0128    0   6   0         2
                29.84         19.97        2.9946    2   2   1         4
                31.38         23.91        2.8503    3   3   0         4
                32.45         27.53        2.7592   -3   3   1         4
                32.81         86.49        2.7295    1   5   1         4
                34.00          1.42        2.6368   -1   1   2         4
                34.45         55.95        2.6032    0   6   1         4
                34.53          9.54        2.5973    2   4   1         4
                35.06          2.29        2.5596    2   6   0         4
                35.13         71.36        2.5548   -2   0   2         2
                35.99          4.37        2.4956    1   7   0         4
                36.13          1.13        2.4859    0   2   2         4
                36.88          1.90        2.4375   -1   3   2         4
                37.05         10.29        2.4264    4   0   0         2
                37.14          4.02        2.4210   -2   6   1         4
                37.30          6.06        2.4109    3   5   0         4
                38.22         26.64        2.3549   -3   5   1         4
                38.26          8.06        2.3527   -4   2   1         4
                38.41          1.80        2.3434    4   2   0         4
                38.48          1.11        2.3398    1   1   2         4
                39.08          8.98        2.3048   -1   7   1         4
                39.23          1.86        2.2965    3   3   1         4
                39.26         17.72        2.2946   -3   1   2         4
                40.56          5.79        2.2240   -2   4   2         4
                41.14          2.11        2.1944    1   7   1         4
                41.32         44.09        2.1851    2   6   1         4
                41.83          9.89        2.1596   -3   3   2         4
                42.12          2.82        2.1453   -1   5   2         4
                42.13          5.52        2.1448   -4   4   1         4
                43.48         22.69        2.0812    2   0   2         2
                44.24         13.51        2.0474    3   5   1         4
                44.55         14.88        2.0338   -4   0   2         2
                46.14          1.27        1.9675    4   2   1         4
                46.15          1.98        1.9669    1   9   0         4
                46.61          3.52        1.9486   -3   5   2         4
                47.09          2.64        1.9300    5   1   0         4
                48.02         11.97        1.8946   -4   6   1         4
                48.13          1.26        1.8904    2   4   2         4
                48.31          1.03        1.8838   -5   3   1         4
                48.71          1.67        1.8693   -1   9   1         4
                49.12          2.56        1.8546   -4   4   2         4
                49.51          3.43        1.8410    4   4   1         4
                50.45          5.77        1.8090    1   9   1         4
                50.49          9.98        1.8077    0  10   0         2
                51.79          4.06        1.7651   -5   1   2         4
                51.80          1.27        1.7648   -1   1   3         4
                52.53          1.99        1.7420    1   7   2         4
                52.64          2.20        1.7388   -5   5   1         4
                53.88          1.13        1.7015    0   8   2         4
                53.90          5.32        1.7011   -1   3   3         4
                54.14          5.66        1.6940    2  10   0         4
                54.17          2.99        1.6933    0   2   3         4
                54.19          2.42        1.6926   -2   8   2         4
                54.41          3.64        1.6862   -3   9   1         4
                54.79         27.64        1.6754    4   6   1         4
                55.58          3.26        1.6536    4   8   0         4
                55.91          2.30        1.6446   -2   4   3         4
                56.82          9.97        1.6203    1  11   0         4
                56.93          5.89        1.6176    6   0   0         2
                57.20          1.67        1.6106    0   4   3         4
                57.92         18.55        1.5920   -1   5   3         4
                58.13          5.49        1.5869    4   0   2         2
                58.78          2.21        1.5708    2  10   1         4
                59.18          1.10        1.5612   -6   4   1         4
                59.57         12.78        1.5518   -6   0   2         2
                60.04          1.17        1.5408   -3   5   3         4
                60.54          2.25        1.5295    1   9   2         4
                60.56          6.52        1.5288    5   5   1         4
                60.80         20.65        1.5234   -2   6   3         4
                61.33          1.78        1.5117   -4   8   2         4
                61.42          1.42        1.5095   -4   4   3         4
                61.56          8.89        1.5064    0  12   0         2
                61.98          2.89        1.4973    4   4   2         4
                62.03          4.50        1.4962    0   6   3         4
                62.24          1.23        1.4915    2   2   3         4
                62.50          1.48        1.4861    1   5   3         4
                62.71          2.57        1.4815    0  10   2         4
                62.99          6.09        1.4757   -2  10   2         4
                63.37          1.52        1.4677   -6   4   2         4
                63.49          3.90        1.4652    3  11   0         4
                63.66          1.48        1.4618   -1   7   3         4
                63.92         24.23        1.4563   -6   6   1         4
                64.15          1.49        1.4518   -4  10   1         4
                64.26          4.79        1.4496    4  10   0         4
                64.86          2.15        1.4376   -5   3   3         4
                66.07          2.14        1.4141   -4   6   3         4
                67.19          9.22        1.3933    5   1   2         4
                67.79          2.68        1.3824    7   1   0         4
                68.49          4.19        1.3700   -5   5   3         4
                68.79          3.67        1.3648    2  10   2         4
                68.99          3.01        1.3613    5   3   2         4
                69.55          6.54        1.3516    2   6   3         4
                69.58          1.56        1.3512    7   3   0         4
                69.58          2.93        1.3511   -4  10   2         4
                69.73          5.31        1.3485    1  11   2         4
                70.26          3.95        1.3397   -3  11   2         4
                70.89          2.05        1.3293   -1   9   3         4
                70.91          8.42        1.3291   -7   5   1         4
                71.41          4.94        1.3209   -1   1   4         4
                71.54          1.27        1.3189    1  13   1         4
                72.64          1.36        1.3016    0  12   2         4
                72.90         12.62        1.2976   -2  12   2         4
                73.05          1.56        1.2954    3   5   3         4
                73.16          2.45        1.2936   -1   3   4         4
                73.21          4.30        1.2928    0   0   4         2
                74.08          2.40        1.2798    4  12   0         4
                74.24          5.83        1.2774   -4   0   4         2
                76.73          2.41        1.2420    6   0   2         2
                78.36          1.08        1.2203    2  12   2         4
                78.91          2.97        1.2132    8   0   0         2
                79.51          5.71        1.2055   -5  11   2         4
                79.51          1.13        1.2054    6  10   0         4
                80.55          1.16        1.1926    4  10   2         4
                81.60          3.92        1.1798    2   0   4         2
                81.80          3.22        1.1775   -6  10   2         4
                81.89          1.41        1.1764   -8   4   2         4
                85.01          1.05        1.1410    7   9   0         4
                86.94          1.11        1.1205   -6   4   4         4
                88.10          2.11        1.1088    3   1   4         4
                88.60          2.78        1.1038    0  16   1         4
                88.83          1.39        1.1016    5   5   3         4
                89.76          2.14        1.0925    4  12   2         4
================================================================================
       XPOW Copyright 1993 Bob Downs, Ranjini Swaminathan and Kurt Bartelmehs
  For reference, see Downs et al. (1993) American Mineralogist 78, 1104-1107.