Dravite
      Bosi F
      American Mineralogist 93 (2008) 1647-1653
      Disordering of Fe2+ over octahedrally coordinated sites of tourmaline
      Locality: Uto Island, south of Stockholm, Sweden
      _database_code_amcsd 0004680

      CELL PARAMETERS:   15.9875  15.9875   7.2372   90.000   90.000  120.000
      SPACE GROUP: R3m       
      X-RAY WAVELENGTH:     1.541838
      Cell Volume:   1601.999
      Density (g/cm3):      3.102
      MAX. ABS. INTENSITY / VOLUME**2:      8.410935357    
      RIR:      0.883
      RIR based on corundum from Acta Crystallographica A38 (1982) 733-739
               2-THETA      INTENSITY    D-SPACING   H   K   L   Multiplicity
                13.81         28.49        6.4138    1   0   1         3
                17.73         15.84        5.0026    0   2   1         3
                19.23         14.60        4.6152    3   0   0         3
                20.95         58.14        4.2407    2   1   1         6
                22.24         70.76        3.9969    2   2   0         6
                25.44         51.04        3.5010    0   1   2         3
                26.27          9.61        3.3921    1   3   1         6
                27.82          1.42        3.2069    2   0   2         3
                28.59          1.17        3.1226    4   0   1         3
                29.57          8.89        3.0214    4   1   0         6
                30.02         62.17        2.9763    1   2   2         6
                30.74         10.99        2.9086    3   2   1         6
                34.04          6.01        2.6336    3   1   2         6
                34.68        100.00        2.5863    0   5   1         3
                35.90          1.72        2.5013    0   4   2         3
                36.52          4.48        2.4607    2   4   1         6
                37.27          7.71        2.4124    0   0   3         1
                37.68         13.95        2.3872    2   3   2         6
                38.27         14.90        2.3518    5   1   1         6
                39.03          2.59        2.3076    6   0   0         3
                40.70          1.57        2.2171    5   2   0         6
                41.04         13.88        2.1991    5   0   2         3
                41.59         12.56        2.1713    4   3   1         6
                42.27          5.61        2.1379    0   3   3         3
                42.27          7.15        2.1379    3   0   3         3
                42.64          4.33        2.1203    4   2   2         6
                43.83         12.43        2.0654    2   2   3         6
                44.19         41.70        2.0495    1   5   2         6
                44.71          8.66        2.0269    1   6   1         6
                45.38          3.40        1.9984    4   4   0         6
                47.17         27.65        1.9267    3   4   2         6
                47.66          1.41        1.9080    3   5   1         6
                48.28          5.49        1.8852    1   4   3         6
                49.09          7.88        1.8558    6   2   1         6
                49.72          1.12        1.8339    7   1   0         6
                50.01          1.69        1.8237    6   1   2         6
                50.90          1.28        1.7940    1   0   4         3
                51.07          3.65        1.7884    3   3   3         6
                52.26          2.47        1.7505    0   2   4         3
                52.74          1.15        1.7356    5   3   2         6
                53.20          1.04        1.7218    5   4   1         6
                54.07          3.19        1.6961    2   6   2         6
                55.07         14.47        1.6675    0   6   3         3
                55.07          5.83        1.6675    6   0   3         3
                55.81         13.76        1.6471    2   7   1         6
                57.47          3.49        1.6035    4   0   4         3
                57.66         17.59        1.5987    5   5   0         6
                57.93          3.45        1.5920    4   5   2         6
                58.35          2.45        1.5813    8   1   1         6
                58.73          1.74        1.5721    3   2   4         6
                59.60          3.39        1.5513    4   6   1         6
                60.15          4.30        1.5384    9   0   0         3
                60.41          5.03        1.5324    7   2   2         6
                60.83          1.30        1.5229    7   3   1         6
                61.19         15.86        1.5146    0   5   4         3
                61.37          3.73        1.5107    8   2   0         6
                62.40          3.90        1.4882    2   4   4         6
                62.83          1.38        1.4790    1   8   2         6
                63.60         15.45        1.4630    5   1   4         6
                63.75          3.41        1.4599    1   7   3         6
                63.75          1.32        1.4599    7   1   3         6
                64.02          4.99        1.4543    6   4   2         6
                64.76          4.33        1.4396    0   1   5         3
                64.95          5.22        1.4357    7   4   0         6
                65.60          1.31        1.4231    1   9   1         6
                65.60          6.54        1.4231    6   5   1         6
                65.95         10.36        1.4164    4   3   4         6
                66.10          1.45        1.4136    3   6   3         6
                66.10          3.77        1.4136    6   3   3         6
                67.92          1.47        1.3800    3   8   1         6
                69.07         10.00        1.3599   10   0   1         3
                69.82          3.18        1.3471    5   6   2         6
                70.52          2.41        1.3354    0   4   5         3
                70.54          1.01        1.3350    7   0   4         3
                70.54          2.99        1.3350    3   5   4         6
                70.69          4.78        1.3327    5   5   3         6
                70.71          3.95        1.3323    6   6   0         6
                71.65          2.07        1.3171    2   3   5         6
                71.67          1.16        1.3168    6   2   4         6
                71.84          9.72        1.3142   10   1   0         6
                72.07          2.61        1.3104    8   3   2         6
                72.46          1.55        1.3044    5   7   1         6
                73.19          1.64        1.2931    0  10   2         3
                73.57          1.67        1.2874    8   4   1         6
                73.88         10.97        1.2828    5   0   5         3
                74.04          2.65        1.2804    2   8   3         6
                74.07          3.82        1.2800    9   3   0         6
                75.01          2.55        1.2662    5   4   4         6
                76.88          3.86        1.2401    0  11   1         3
                77.34          1.15        1.2338    7   4   3         6
                77.60          1.84        1.2303    4   8   2         6
                77.97          1.44        1.2254    2  10   1         6
                78.27          2.25        1.2214    3   4   5         6
                79.45          1.80        1.2062    0   0   6         1
                80.44          1.25        1.1939    6   1   5         6
                81.22          3.56        1.1844   11   1   1         6
                82.69          1.25        1.1670    3   0   6         3
                83.83          5.29        1.1540   10   1   3         6
                85.15          1.12        1.1395    1  11   2         6
                85.97          1.89        1.1307    9   3   3         6
                89.03          2.29        1.0995   10   0   4         3
                89.11          1.45        1.0989    3   3   6         6
================================================================================
       XPOW Copyright 1993 Bob Downs, Ranjini Swaminathan and Kurt Bartelmehs
  For reference, see Downs et al. (1993) American Mineralogist 78, 1104-1107.