Spodumene-II
      Clarke P T, Spink J M
      Zeitschrift fur Kristallographie 130 (1969) 420-426
      The crystal structure of beta spodumene, LiAlSi2O6-II
      Locality: synthetic
      _database_code_amcsd 0010702

      CELL PARAMETERS:    7.5340   7.5430   9.1580   90.000   90.000   90.000
      SPACE GROUP: P4_32_12  
      X-RAY WAVELENGTH:     1.541838
      Cell Volume:    520.440
      Density (g/cm3):      2.375
      MAX. ABS. INTENSITY / VOLUME**2:      10.98701762    
      RIR:      1.507
      RIR based on corundum from Acta Crystallographica A38 (1982) 733-739
               2-THETA      INTENSITY    D-SPACING   H   K   L   Multiplicity
                15.22          2.18        5.8223    0   1   1         8
                15.23          2.17        5.8182    1   0   1         8
                16.63          1.06        5.3305    1   1   0         4
                19.27         18.57        4.6069    1   1   1         8
                22.72         31.00        3.9142    0   1   2         8
                22.73         30.97        3.9130    1   0   2         8
                25.54        100.00        3.4873    0   2   1         8
                25.57         99.70        3.4838    2   0   1         8
                25.65         39.03        3.4734    1   1   2         8
                28.20         10.93        3.1648    1   2   1         8
                28.22         10.91        3.1628    2   1   1         8
                33.84          3.79        2.6490    1   1   3         8
                39.11          8.32        2.3035    2   2   2         8
                39.35          3.11        2.2895    0   0   4         2
                39.83          3.53        2.2632    1   2   3         8
                39.84          3.53        2.2625    2   1   3         8
                41.21          2.85        2.1906    1   0   4         8
                42.75          2.68        2.1153    1   3   2         8
                42.78          2.68        2.1137    3   1   2         8
                43.00          1.91        2.1037    1   1   4         8
                46.81          5.60        1.9408    0   3   3         8
                46.84          5.59        1.9394    3   0   3         8
                47.81          2.60        1.9023    2   3   2         8
                47.83          2.60        1.9016    3   2   2         8
                48.04          2.82        1.8938    2   1   4         8
                48.26          9.13        1.8858    0   4   0         4
                48.32          9.09        1.8835    4   0   0         4
                48.43          7.31        1.8794    1   3   3         8
                48.46          7.29        1.8783    3   1   3         8
                53.98          1.59        1.6988    1   4   2         8
                54.03          1.58        1.6972    4   1   2         8
                55.40          2.77        1.6584    2   4   1         8
                55.44          2.76        1.6572    4   2   1         8
                55.65          1.76        1.6517    1   3   4         8
                55.68          1.76        1.6509    3   1   4         8
                55.81          7.70        1.6472    2   0   5         8
                57.25          1.16        1.6093    2   1   5         8
                59.92          5.45        1.5437    3   2   4         8
                60.27          2.25        1.5356    3   3   3         8
                62.04          1.17        1.4959    1   0   6         8
                62.76          1.43        1.4804    0   3   5         8
                62.79          1.43        1.4798    3   0   5         8
                63.73          1.35        1.4603    1   5   1         8
                63.81          1.35        1.4587    5   1   1         8
                63.96          1.34        1.4556    0   4   4         8
                64.01          1.34        1.4545    4   0   4         8
                64.10          1.06        1.4527    1   3   5         8
                64.13          1.06        1.4521    3   1   5         8
                65.10          3.43        1.4328    0   5   2         8
                65.18          3.42        1.4313    5   0   2         8
                66.42          2.96        1.4076    1   5   2         8
                66.49          2.95        1.4062    5   1   2         8
                66.62          2.90        1.4037    3   3   4         8
                67.68          2.14        1.3844    2   5   1         8
                67.74          2.13        1.3832    5   2   1         8
                68.06          1.81        1.3776    3   2   5         8
                69.55          3.36        1.3516    4   3   3         8
                70.69          1.06        1.3326    4   4   0         4
                71.19          7.32        1.3245    2   2   6         8
                74.55          1.61        1.2729    2   5   3         8
                74.61          1.61        1.2720    5   2   3         8
                76.55          1.32        1.2445    3   5   2         8
                76.60          1.31        1.2439    5   3   2         8
                76.88          4.92        1.2401    4   2   5         8
                77.19          2.51        1.2359    2   0   7         8
                78.41          1.67        1.2196    2   1   7         8
                80.69          1.32        1.1908    3   5   3         8
                80.74          1.32        1.1902    5   3   3         8
                85.09          2.82        1.1401    5   4   2         8
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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.