Leucite
      Peacor D R
      Zeitschrift fur Kristallographie 127 (1968) 213-224
      A high temperature single crystal diffractometer study of leucite, (K,Na)AlSi2O6
      Sample: T = 635 C
      Locality: Vesuvius, Italy
      Note: cell parameters were not reported in the paper. A value was chosen
      that reproduced the reported bond lengths and thermal ellipsoid axes.
      _database_code_amcsd 0010665

      CELL PARAMETERS:   13.5300  13.5300  13.5300   90.000   90.000   90.000
      SPACE GROUP: Ia-3d     
      X-RAY WAVELENGTH:     1.541838
      Cell Volume:   2476.814
      Density (g/cm3):      2.315
      MAX. ABS. INTENSITY / VOLUME**2:      17.56821383    
      RIR:      2.471
      RIR based on corundum from Acta Crystallographica A38 (1982) 733-739
               2-THETA      INTENSITY    D-SPACING   H   K   L   Multiplicity
                16.05         55.17        5.5236    2   1   1        24
                18.55          4.94        4.7836    2   2   0        12
                24.62          2.48        3.6160    3   2   1        48
                26.35        100.00        3.3825    4   0   0         6
                29.53          4.67        3.0254    4   2   0        24
                31.00         31.25        2.8846    3   3   2        24
                32.42          1.42        2.7618    4   2   2        24
                33.78          9.24        2.6535    4   3   1        48
                36.37          3.49        2.4702    5   2   1        48
                37.61         11.00        2.3918    4   4   0        12
                41.13          1.50        2.1949    6   1   1        24
                42.25          1.89        2.1393    6   2   0        24
                48.52          2.75        1.8763    6   4   0        24
                49.51          2.73        1.8412    6   3   3        24
                50.48          1.34        1.8080    6   4   2        48
                53.31          9.58        1.7183    7   3   2        48
                54.24          1.42        1.6912    8   0   0         6
                55.15          3.00        1.6654    7   4   1        48
                58.70          2.17        1.5728    8   3   1        48
                63.79          2.26        1.4590    9   2   1        48
                67.07          1.51        1.3955    7   6   3        48
                67.07          1.56        1.3955    9   3   2        48
                69.47          1.21        1.3530    8   6   0        24
                70.26          1.94        1.3397    7   7   2        24
                70.26          1.09        1.3397   10   1   1        24
                73.40          1.22        1.2900   10   3   1        48
                74.94          1.68        1.2672    8   7   1        48
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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.