Cordierite
      Koepke J, Schulz H
      Physics and Chemistry of Minerals 13 (1986) 165-173
      Single crystal structure investigations under high-pressure of the
      mineral cordierite with an improved high-pressure cell
      Sample: P = 0.1 MPa
      Locality: Zabargad island, Red Sea
      _database_code_amcsd 0007383

      CELL PARAMETERS:   17.0710   9.7150   9.3440   90.000   90.000   90.000
      SPACE GROUP: Cccm      
      X-RAY WAVELENGTH:     1.541838
      Cell Volume:   1549.653
      Density (g/cm3):      2.507
      MAX. ABS. INTENSITY / VOLUME**2:      10.98656993    
      RIR:      1.427
      RIR based on corundum from Acta Crystallographica A38 (1982) 733-739
               2-THETA      INTENSITY    D-SPACING   H   K   L   Multiplicity
                10.36         60.47        8.5355    2   0   0         2
                10.48        100.00        8.4435    1   1   0         4
                18.07         20.49        4.9101    3   1   0         4
                18.26          9.38        4.8575    0   2   0         2
                19.00         11.88        4.6720    0   0   2         2
                21.68          7.33        4.0982    2   0   2         4
                21.74         42.86        4.0879    1   1   2         8
                26.33         33.10        3.3846    3   1   2         8
                26.47         21.19        3.3673    0   2   2         4
                28.32         16.61        3.1510    4   0   2         4
                28.50         46.72        3.1323    2   2   2         8
                29.33         30.46        3.0452    5   1   1         8
                29.45         25.45        3.0326    4   2   1         8
                29.66         30.06        3.0118    1   3   1         8
                33.80         10.18        2.6519    5   1   2         8
                33.91          9.95        2.6435    4   2   2         8
                34.09          5.02        2.6297    1   3   2         8
                36.60          2.69        2.4550    6   2   0         4
                36.99          1.21        2.4300    6   0   2         4
                37.01          2.32        2.4288    0   4   0         2
                37.30          1.50        2.4108    3   3   2         8
                38.54         10.21        2.3360    0   0   4         2
                39.29          1.10        2.2930    7   1   1         8
                39.55          1.12        2.2786    5   3   1         8
                40.28          1.19        2.2391    5   1   3         8
                41.55          4.49        2.1733    6   2   2         8
                41.92          1.12        2.1550    0   4   2         4
                42.85          1.99        2.1103    7   1   2         8
                42.87          3.08        2.1094    3   1   4         8
                42.96          1.52        2.1052    0   2   4         4
                43.09          3.08        2.0991    5   3   2         8
                43.30          4.75        2.0894    2   4   2         8
                44.32          1.24        2.0440    2   2   4         8
                46.48          1.29        1.9537    8   2   0         4
                46.62          2.62        1.9481    7   3   0         4
                46.80          2.14        1.9410    8   0   2         4
                47.07          1.30        1.9305    1   5   0         4
                47.25          2.25        1.9236    4   4   2         8
                47.55          1.13        1.9123    8   2   1         8
                48.32          3.10        1.8837    7   1   3         8
                48.34          1.35        1.8830    1   3   4         8
                48.54          4.78        1.8757    5   3   3         8
                48.73          4.56        1.8688    2   4   3         8
                48.93          1.77        1.8616    9   1   0         4
                49.33          1.59        1.8472    6   4   0         4
                49.58          1.77        1.8388    3   5   0         4
                50.35          2.42        1.8122    6   4   1         8
                50.55          2.39        1.8054    6   0   4         4
                50.59          1.80        1.8042    3   5   1         8
                50.79          4.81        1.7975    3   3   4         8
                53.69          4.04        1.7071   10   0   0         2
                54.20         13.96        1.6923    6   2   4         8
                54.33          4.78        1.6887    5   5   0         4
                54.50          8.32        1.6836    0   4   4         4
                55.27          1.61        1.6621    7   1   4         8
                55.52          1.46        1.6550    8   2   3         8
                56.20          1.26        1.6367    9   3   0         4
                56.86          1.19        1.6192    0   6   0         2
                57.20          2.04        1.6105   10   2   0         4
                57.49          1.08        1.6030    8   4   0         4
                57.69          2.58        1.5980    9   1   3         8
                57.97          1.25        1.5908    2   6   0         4
                58.05          4.85        1.5888    6   4   3         8
                58.27          2.75        1.5834    3   5   3         8
                59.34          2.46        1.5573    0   0   6         2
                59.88          1.29        1.5446    9   3   2         8
                60.52          1.22        1.5299    0   6   2         4
                60.84          1.10        1.5226   10   2   2         8
                61.92          2.31        1.4986    8   2   4         8
                62.03          3.08        1.4961    7   3   4         8
                62.40          2.14        1.4881    1   5   4         8
                62.57          2.23        1.4845    3   1   6         8
                62.64          1.07        1.4830    0   2   6         4
                63.69          2.24        1.4611    2   2   6         8
                63.93          1.33        1.4561   11   1   2         8
                64.48          3.74        1.4451    7   5   2         8
                64.73          1.48        1.4402    4   6   2         8
                66.44          1.57        1.4072    6   6   0         4
                66.71          1.55        1.4021    5   1   6         8
                66.78          1.82        1.4008    4   2   6         8
                66.89          1.12        1.3988    1   3   6         8
                69.01          4.78        1.3609   12   0   2         4
                69.59          1.44        1.3509   12   2   1         8
                69.80          6.89        1.3474    6   6   2         8
                70.05          1.95        1.3432    9   5   1         8
                70.57          1.85        1.3345    3   7   1         8
                71.10          3.85        1.3259   10   2   4         8
                71.36          2.18        1.3218    8   4   4         8
                71.78          2.36        1.3151    6   2   6         8
                71.79          2.07        1.3149    2   6   4         8
                71.86          1.26        1.3138    6   4   5         8
                74.30          2.55        1.2766   11   3   3         8
                75.15          2.04        1.2642    1   7   3         8
                75.59          1.05        1.2579    8   0   6         4
                75.93          1.19        1.2532    4   4   6         8
                77.39          2.02        1.2332    5   1   7         8
                77.45          1.61        1.2323    4   2   7         8
                77.56          1.89        1.2309    1   3   7         8
                80.05          2.55        1.1987   10   4   4         8
                80.74          1.07        1.1903    1   7   4         8
                80.98          2.56        1.1872   12   4   2         8
                81.69          1.51        1.1787   12   2   4         8
                81.98          1.16        1.1753    0   8   2         4
                82.60          3.47        1.1680    0   0   8         2
                82.62          1.41        1.1678    3   7   4         8
================================================================================
       XPOW Copyright 1993 Bob Downs, Ranjini Swaminathan and Kurt Bartelmehs
  For reference, see Downs et al. (1993) American Mineralogist 78, 1104-1107.