Eucryptite
      Pillars W W, Peacor D R
      American Mineralogist 58 (1973) 681-690
      The crystal structure of beta eucryptite as a function of temperature
      T = 440 C
      _database_code_amcsd 0000379

      CELL PARAMETERS:   10.5010  10.5010  11.1940   90.000   90.000  120.000
      SPACE GROUP: P6_422    
      X-RAY WAVELENGTH:     1.541838
      Cell Volume:   1068.999
      Density (g/cm3):      2.348
      MAX. ABS. INTENSITY / VOLUME**2:      32.15838626    
      RIR:      4.459
      RIR based on corundum from Acta Crystallographica A38 (1982) 733-739
               2-THETA      INTENSITY    D-SPACING   H   K   L   Multiplicity
                19.52          9.55        4.5471    2   0   0         6
                25.23        100.00        3.5292    2   0   2        12
                34.15          3.65        2.6253    2   2   0         6
                37.75          1.55        2.3833    2   0   4        12
                39.64          3.98        2.2735    4   0   0         6
                42.94          3.01        2.1064    4   0   2        12
                47.49         18.77        1.9147    2   2   4        12
                51.81          1.24        1.7646    4   0   4        12
                55.97          8.44        1.6429    4   2   2        12
                61.14          1.08        1.5157    6   0   0         6
                63.53          3.55        1.4645    4   2   4        12
                64.62          8.44        1.4422    4   0   6        12
                70.68          2.72        1.3328    6   0   4        12
                71.93          3.02        1.3126    4   4   0         6
                75.16          2.33        1.2640    4   2   6        12
                77.27          2.71        1.2348    2   2   8        12
                77.60          4.28        1.2303    6   2   2        12
                84.21          1.33        1.1498    6   2   4        12
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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.