Bredigite
      Moore P B, Araki T
      American Mineralogist 61 (1976) 74-87
      The crystal structure of bredigite and the genealogy of some alkaline earth
      orthosilicates
      _database_code_amcsd 0000494

      CELL PARAMETERS:   10.9090  18.3400   6.7390   90.000   90.000   90.000
      SPACE GROUP: P2nn      
      X-RAY WAVELENGTH:     1.541838
      Cell Volume:   1348.279
      Density (g/cm3):      3.409
      MAX. ABS. INTENSITY / VOLUME**2:      13.28646654    
      RIR:      1.269
      RIR based on corundum from Acta Crystallographica A38 (1982) 733-739
               2-THETA      INTENSITY    D-SPACING   H   K   L   Multiplicity
                18.93          1.13        4.6879    2   2   0         2
                23.11          2.86        3.8483    2   2   1         4
                23.47          2.17        3.7908    0   4   1         4
                24.87          2.04        3.5808    1   4   1         4
                25.57          6.08        3.4839    2   3   1         4
                25.62          1.21        3.4767    1   5   0         2
                26.45          4.75        3.3695    0   0   2         2
                27.69          3.83        3.2217    0   5   1         4
                29.56          1.85        3.0215    3   2   1         4
                30.29          3.65        2.9509    0   3   2         4
                31.59         11.88        2.8322    2   1   2         4
                32.27          1.21        2.7740    2   5   1         4
                32.73         72.20        2.7361    2   2   2         4
                32.84         60.71        2.7273    4   0   0         1
                32.99         23.74        2.7152    0   4   2         4
                33.61        100.00        2.6665    2   6   0         2
                34.03          1.60        2.6348    1   4   2         4
                34.56          4.62        2.5955    2   3   2         4
                34.74          3.09        2.5824    3   5   0         2
                35.23          2.91        2.5476    1   7   0         2
                35.86          1.59        2.5044    4   1   1         4
                36.20          4.13        2.4814    0   5   2         4
                36.69          2.77        2.4494    3   1   2         4
                37.16          5.99        2.4196    1   5   2         4
                38.40          5.27        2.3439    4   4   0         2
                40.46         17.04        2.2297    0   1   3         4
                40.47          6.52        2.2288    2   7   1         4
                40.76         14.71        2.2138    4   4   1         4
                41.02          2.27        2.2002    1   0   3         2
                41.51          1.85        2.1756    3   4   2         4
                41.61          8.15        2.1704    0   8   1         4
                42.65          1.97        2.1199    4   0   2         2
                42.89          4.31        2.1085    0   3   3         4
                43.48          5.17        2.0816    4   5   1         4
                43.60          3.77        2.0757    5   0   1         2
                43.73          1.73        2.0702    1   3   3         4
                43.77          7.88        2.0683    0   7   2         4
                44.74          3.46        2.0258    2   2   3         4
                44.94          2.42        2.0172    0   4   3         4
                45.28         10.75        2.0029    4   3   2         4
                46.56          4.30        1.9506    0   9   1         4
                47.24         32.07        1.9242    4   4   2         4
                48.00         12.46        1.8954    0   8   2         4
                49.67          8.16        1.8354    4   5   2         4
                49.71          1.74        1.8340    0  10   0         2
                50.14          1.21        1.8192    4   7   1         4
                50.50          1.01        1.8074    2   5   3         4
                51.01          1.87        1.7904    2   8   2         4
                52.48          2.59        1.7437    0   9   2         4
                53.05          2.60        1.7262    4   1   3         4
                53.75          1.24        1.7053    0   7   3         4
                54.46          4.42        1.6847    0   0   4         2
                55.05          3.34        1.6681    4   3   3         4
                55.31          2.11        1.6609    2   9   2         4
                55.78          4.76        1.6480    4   7   2         4
                56.54          3.29        1.6276    2   7   3         4
                56.82          2.16        1.6204    3   6   3         4
                57.19          1.45        1.6108    0  10   2         4
                57.47          2.88        1.6035    2   1   4         4
                57.85          2.60        1.5940    6   1   2         4
                58.14          1.95        1.5865    4   9   1         4
                58.19          3.31        1.5855    2   2   4         4
                58.35          2.13        1.5814    0   4   4         4
                58.56          8.44        1.5763    6   2   2         4
                59.12         15.34        1.5626    6   6   0         2
                59.37          1.96        1.5567    2   3   4         4
                59.38          7.67        1.5564    4   8   2         4
                59.58          1.28        1.5516    2  11   1         4
                59.74          1.09        1.5479    6   3   2         4
                59.87          5.75        1.5449    2  10   2         4
                60.47          1.40        1.5310    0   5   4         4
                60.59          4.53        1.5283    0  12   0         2
                64.01          1.70        1.4546    2   9   3         4
                65.08          3.30        1.4333    4   0   4         2
                65.54          5.20        1.4243    2   6   4         4
                65.92          2.03        1.4171    0   7   4         4
                67.07          2.25        1.3955    4   3   4         4
                67.27          1.23        1.3918    4  11   1         4
                67.54          2.28        1.3870    4  10   2         4
                67.76          1.59        1.3829    4   8   3         4
                68.22          1.07        1.3748    2  10   3         4
                68.60          1.08        1.3680    4   4   4         4
                68.85          7.97        1.3636    8   0   0         1
                70.54          3.28        1.3350    4   5   4         4
                70.65          9.04        1.3333    4  12   0         2
                73.05          2.28        1.2953    2   2   5         4
                75.63          1.54        1.2574    4   7   4         4
                76.90          2.18        1.2397    4  12   2         4
                77.40          1.35        1.2330    6   1   4         4
                78.02          1.07        1.2247    6   2   4         4
                78.49          2.31        1.2186    8   4   2         4
                79.49          2.65        1.2057    6  10   2         4
                80.64          1.04        1.1915    2  14   2         4
                82.38          1.34        1.1706    2   7   5         4
                82.57          1.62        1.1684    4   4   5         4
                84.58          1.87        1.1457    6   6   4         4
                85.24          1.01        1.1385    8   7   2         4
                86.69          1.00        1.1232    0   0   6         2
                86.83          1.03        1.1217    2  16   0         2
                88.29          2.44        1.1069    8   8   2         4
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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.