Fluormayenite
      Yu Q, Sugita S, Feng X, Mi J
      Cement and Concrete Research 27 (1997) 1439-1449
      On the preparation of single crystals of 11CaO*7Al2O3*CaF2
      and the confirmation of its crystal structure
      Locality: synthetic
      _database_code_amcsd 0019956

      CELL PARAMETERS:   11.9810  11.9810  11.9810   90.000   90.000   90.000
      SPACE GROUP: I-43d     
      X-RAY WAVELENGTH:     1.541838
      Cell Volume:   1719.805
      Density (g/cm3):      2.720
      MAX. ABS. INTENSITY / VOLUME**2:      16.48469829    
      RIR:      1.973
      RIR based on corundum from Acta Crystallographica A38 (1982) 733-739
               2-THETA      INTENSITY    D-SPACING   H   K   L   Multiplicity
                18.14        100.00        4.8912    2   1   1        12
                20.97          3.96        4.2359    2   2   0        12
                23.48          6.79        3.7887    3   1   0        24
                27.86         13.54        3.2021    3   2   1        24
                29.83         25.27        2.9952    4   0   0         6
                33.45         75.92        2.6790    4   2   0        24
                35.13          4.72        2.5544    3   3   2        12
                36.75         34.73        2.4456    4   2   2        12
                38.31          6.28        2.3497    5   1   0        24
                41.27         35.10        2.1874    5   2   1        24
                42.69          1.34        2.1180    4   4   0        12
                44.07          3.21        2.0547    5   3   0        24
                46.74         24.89        1.9436    5   3   2        24
                46.74          5.88        1.9436    6   1   1        12
                49.29          2.69        1.8487    5   4   1        24
                51.75          4.24        1.7665    6   3   1        24
                52.95          7.27        1.7293    4   4   4         4
                54.13          1.08        1.6944    5   4   3        24
                54.13          2.98        1.6944    7   1   0        24
                55.29         19.09        1.6615    6   4   0        24
                56.44          1.76        1.6304    7   2   1        24
                56.44          3.78        1.6304    5   5   2        12
                56.44          3.65        1.6304    6   3   3        12
                57.57         21.35        1.6010    6   4   2        24
                60.88          2.65        1.5216    7   3   2        24
                60.88          2.05        1.5216    6   5   1        24
                61.96          3.75        1.4976    8   0   0         6
                63.03          4.70        1.4748    7   4   1        24
                67.22          4.09        1.3928    7   4   3        24
                67.22          3.52        1.3928    7   5   0        24
                69.26          2.44        1.3566    7   5   2        24
                70.27          3.14        1.3395    8   4   0        24
                72.28          6.66        1.3072    8   4   2        24
                73.27          1.21        1.2919    6   5   5        12
                74.26          2.56        1.2772    6   6   4        12
                75.24          1.39        1.2629    7   5   4        24
                77.20          1.27        1.2357    7   6   3        24
                77.20          2.11        1.2357    9   3   2        24
                79.13          1.10        1.2103    8   5   3        24
                79.13          2.19        1.2103    9   4   1        24
                82.02          1.79        1.1748   10   2   0        24
                84.89          2.73        1.1423    7   6   5        24
                87.74          3.02        1.1124    8   6   4        24
                87.74          2.82        1.1124   10   4   0        24
                89.64          2.65        1.0937   10   4   2        24
================================================================================
       XPOW Copyright 1993 Bob Downs, Ranjini Swaminathan and Kurt Bartelmehs
  For reference, see Downs et al. (1993) American Mineralogist 78, 1104-1107.