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 = 335 C
      _database_code_amcsd 0000378

      CELL PARAMETERS:   10.5000  10.5000  11.1940   90.000   90.000  120.000
      SPACE GROUP: P6_422    
      X-RAY WAVELENGTH:     1.541838
      Cell Volume:   1068.795
      Density (g/cm3):      2.349
      MAX. ABS. INTENSITY / VOLUME**2:      32.28266078    
      RIR:      4.475
      RIR based on corundum from Acta Crystallographica A38 (1982) 733-739
               2-THETA      INTENSITY    D-SPACING   H   K   L   Multiplicity
                19.52          9.35        4.5466    2   0   0         6
                25.24        100.00        3.5290    2   0   2        12
                34.16          3.62        2.6250    2   2   0         6
                37.75          1.56        2.3832    2   0   4        12
                39.65          4.05        2.2733    4   0   0         6
                42.94          3.00        2.1062    4   0   2        12
                47.49         19.00        1.9146    2   2   4        12
                51.81          1.24        1.7645    4   0   4        12
                55.97          8.57        1.6428    4   2   2        12
                61.15          1.06        1.5155    6   0   0         6
                63.53          3.60        1.4644    4   2   4        12
                64.63          8.76        1.4422    4   0   6        12
                70.69          2.79        1.3327    6   0   4        12
                71.94          3.15        1.3125    4   4   0         6
                75.17          2.31        1.2640    4   2   6        12
                77.27          2.81        1.2348    2   2   8        12
                77.61          4.40        1.2302    6   2   2        12
                84.22          1.36        1.1497    6   2   4        12
                85.41          1.02        1.1367    8   0   0         6
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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.