KAlSi3O8
      Zhang J, Ko J, Hazen R M, Prewitt C T
      American Mineralogist 78 (1993) 493-499
      High-pressure crystal chemistry of KAlSi3O8 hollandite
      Pressure = 0.00 GPa
      _database_code_amcsd 0001559

      CELL PARAMETERS:    9.3150   9.3150   2.7230   90.000   90.000   90.000
      SPACE GROUP: I4/m      
      X-RAY WAVELENGTH:     1.541838
      Cell Volume:    236.273
      Density (g/cm3):      3.912
      MAX. ABS. INTENSITY / VOLUME**2:      18.38125351    
      RIR:      1.530
      RIR based on corundum from Acta Crystallographica A38 (1982) 733-739
               2-THETA      INTENSITY    D-SPACING   H   K   L   Multiplicity
                13.44         12.12        6.5867    1   1   0         4
                19.06         19.61        4.6575    2   0   0         4
                27.08         16.43        3.2933    2   2   0         4
                30.34         70.83        2.9457    1   3   0         4
                30.34         29.17        2.9457    3   1   0         4
                34.31          6.99        2.6136    1   0   1         8
                38.66          5.80        2.3287    4   0   0         4
                39.54          4.39        2.2793    2   1   1         8
                39.54         24.22        2.2793    1   2   1         8
                41.11          1.14        2.1956    3   3   0         4
                43.45          1.46        2.0829    4   2   0         4
                43.45         16.59        2.0829    2   4   0         4
                44.24         71.22        2.0473    3   0   1         8
                48.58          6.17        1.8742    3   2   1         8
                49.92          2.65        1.8268    1   5   0         4
                49.92          9.32        1.8268    5   1   0         4
                52.64         21.63        1.7387    4   1   1         8
                52.64          8.45        1.7387    1   4   1         8
                55.83          2.03        1.6467    4   4   0         4
                57.71          1.54        1.5975    3   5   0         4
                59.55         23.56        1.5525    6   0   0         4
                60.18          1.31        1.5376    4   3   1         8
                63.74          7.13        1.4601    5   2   1         8
                63.74         27.07        1.4601    2   5   1         8
                68.98         11.72        1.3615    0   0   2         2
                70.56          4.44        1.3348    6   1   1         8
                70.56          1.09        1.3348    1   6   1         8
                71.64          1.54        1.3173    1   7   0         4
                73.86         25.52        1.2831    5   4   1         8
                73.86          3.50        1.2831    4   5   1         8
                75.57          1.13        1.2582    2   2   2         8
                77.10          2.17        1.2370    6   3   1         8
                77.10          1.91        1.2370    3   6   1         8
                77.19          2.88        1.2359    3   1   2         8
                77.19          6.67        1.2359    1   3   2         8
                78.14          3.58        1.2231    7   3   0         4
                78.14          2.32        1.2231    3   7   0         4
                81.98          1.24        1.1754    4   0   2         8
                85.14          2.52        1.1396    2   4   2         8
                89.22          3.26        1.0978    6   6   0         4
                89.85          1.73        1.0917    5   1   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.