Arfvedsonite
      Hawthorne F C, Ungaretti L, Oberti R, Bottazzi P, Czamanske G K
      American Mineralogist 78 (1993) 733-745
      Li: an important component in igneous alkali amphiboles
      Sample: A(13)
      _database_code_amcsd 0001598

      CELL PARAMETERS:    9.9860  18.0420   5.3140   90.000  103.920   90.000
      SPACE GROUP: C2/m      
      X-RAY WAVELENGTH:     1.541838
      Cell Volume:    929.293
      Density (g/cm3):      3.157
      MAX. ABS. INTENSITY / VOLUME**2:      12.38627644    
      RIR:      1.278
      RIR based on corundum from Acta Crystallographica A38 (1982) 733-739
               2-THETA      INTENSITY    D-SPACING   H   K   L   Multiplicity
                 9.80          4.51        9.0210    0   2   0         2
                10.36        100.00        8.5386    1   1   0         4
                19.68         17.66        4.5105    0   4   0         2
                19.83          1.38        4.4777    0   2   1         4
                20.81          2.76        4.2693    2   2   0         4
                21.94         12.54        4.0513    1   1   1         4
                22.89         18.48        3.8849   -1   3   1         4
                26.06         19.32        3.4198    1   3   1         4
                26.25          7.19        3.3954    0   4   1         4
                26.36          1.22        3.3817    1   5   0         4
                27.00         16.42        3.3018    2   4   0         4
                28.06         45.85        3.1803    3   1   0         4
                29.29          7.19        3.0488   -3   1   1         4
                29.64          3.63        3.0142   -2   4   1         4
                29.86         16.28        2.9921    2   2   1         4
                30.37          1.29        2.9436   -1   5   1         4
                31.43          6.10        2.8462    3   3   0         4
                32.55          7.61        2.7507   -3   3   1         4
                32.87         64.15        2.7251    1   5   1         4
                34.12          1.41        2.6278   -1   1   2         4
                34.53         23.28        2.5978    0   6   1         4
                34.57          4.09        2.5944    2   4   1         4
                34.79          1.01        2.5790    0   0   2         2
                35.27         38.88        2.5447   -2   0   2         2
                36.06          1.10        2.4909    1   7   0         4
                37.10          2.14        2.4232    4   0   0         2
                37.36          7.00        2.4070    3   5   0         4
                38.33         18.36        2.3485   -3   5   1         4
                38.37          6.40        2.3461   -4   2   1         4
                38.47          1.40        2.3402    4   2   0         4
                39.18          3.69        2.2994   -1   7   1         4
                39.43         15.81        2.2853   -3   1   2         4
                40.71          2.40        2.2163   -2   4   2         4
                41.21          5.12        2.1906    1   7   1         4
                41.38         22.05        2.1821    2   6   1         4
                42.00          2.21        2.1514   -3   3   2         4
                42.25          3.17        2.1391   -1   5   2         4
                42.25          2.20        2.1391   -4   4   1         4
                43.54         11.24        2.0787    2   0   2         2
                44.29          8.47        2.0453    3   5   1         4
                44.73          5.81        2.0258   -4   0   2         2
                45.83          1.93        1.9801   -3   7   1         4
                46.17          1.13        1.9662    4   2   1         4
                46.78          3.77        1.9418   -3   5   2         4
                47.15          2.04        1.9275    5   1   0         4
                48.15          3.94        1.8898   -4   6   1         4
                48.20          1.88        1.8879    2   4   2         4
                48.83          3.91        1.8652   -1   9   1         4
                49.31          1.10        1.8480   -4   4   2         4
                49.40          1.83        1.8451    5   3   0         4
                49.56          1.58        1.8395    4   4   1         4
                50.55          2.12        1.8057    1   9   1         4
                50.59          4.64        1.8042    0  10   0         2
                52.00          3.87        1.7588   -5   1   2         4
                52.78          1.29        1.7346   -5   5   1         4
                54.01          1.20        1.6977    0   8   2         4
                54.08          1.74        1.6959   -1   3   3         4
                54.25          1.78        1.6908    2  10   0         4
                54.32          2.47        1.6889    0   2   3         4
                54.36          1.80        1.6878   -2   8   2         4
                54.55          1.03        1.6823   -3   9   1         4
                54.85         15.98        1.6737    4   6   1         4
                55.68          2.50        1.6509    4   8   0         4
                56.12          1.05        1.6390   -2   4   3         4
                56.94          6.87        1.6172    1  11   0         4
                57.01          2.58        1.6155    6   0   0         2
                58.11         13.23        1.5874   -1   5   3         4
                58.17          2.50        1.5858    4   0   2         2
                59.80          6.64        1.5466   -6   0   2         2
                60.62          3.99        1.5275    5   5   1         4
                61.02         11.50        1.5184   -2   6   3         4
                61.53          1.49        1.5071   -4   8   2         4
                61.69          5.85        1.5035    0  12   0         2
                62.04          1.85        1.4960    4   4   2         4
                62.20          1.73        1.4926    0   6   3         4
                63.17          2.52        1.4718   -2  10   2         4
                63.60          2.09        1.4630   -6   4   2         4
                63.62          2.43        1.4625    3  11   0         4
                63.86          2.15        1.4577   -1   7   3         4
                64.09         14.73        1.4531   -6   6   1         4
                64.28          1.07        1.4491   -3  11   1         4
                64.38          1.85        1.4471    4  10   0         4
                67.24          7.16        1.3924    5   1   2         4
                67.89          2.17        1.3806    7   1   0         4
                68.78          2.84        1.3648   -5   5   3         4
                68.91          1.52        1.3626    2  10   2         4
                69.04          1.33        1.3604    5   3   2         4
                69.68          3.30        1.3494    2   6   3         4
                69.81          1.02        1.3473   -4  10   2         4
                69.88          3.49        1.3460    1  11   2         4
                70.48          2.46        1.3362   -3  11   2         4
                71.09          5.75        1.3262   -7   5   1         4
                71.66          3.76        1.3169   -1   1   4         4
                72.81          1.94        1.2989    0  12   2         4
                73.11          8.62        1.2944   -2  12   2         4
                73.43          2.47        1.2895    0   0   4         2
                74.23          1.23        1.2776    4  12   0         4
                74.59          3.17        1.2723   -4   0   4         2
                76.32          1.00        1.2477   -7   7   1         4
                76.79          1.17        1.2413    6   0   2         2
                79.03          1.48        1.2116    8   0   0         2
                79.77          4.19        1.2022   -5  11   2         4
                81.78          2.24        1.1777    2   0   4         2
                82.07          1.40        1.1742   -6  10   2         4
                88.26          1.46        1.1072    3   1   4         4
                88.82          1.05        1.1016    0  16   1         4
                89.91          1.40        1.0911    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.