Alloriite
      Rastsvetaeva R K, Ivanova A G, Chukanov N V, Verin I A
      Doklady Earth Sciences 415 (2007) 815-819
      Crystal structure of alloriite
      Locality: Sabatino volcanic complex, Latium, Italy
      _database_code_amcsd 0012512

      CELL PARAMETERS:   12.8920  12.8920  21.3400   90.000   90.000  120.000
      SPACE GROUP: P31c      
      X-RAY WAVELENGTH:     1.541838
      Cell Volume:   3071.607
      Density (g/cm3):      2.378
      MAX. ABS. INTENSITY / VOLUME**2:      8.732255227    
      RIR:      1.196
      RIR based on corundum from Acta Crystallographica A38 (1982) 733-739
               2-THETA      INTENSITY    D-SPACING   H   K   L   Multiplicity
                 7.92          7.42       11.1648    1   0   0         6
                 8.29          1.36       10.6700    0   0   2         1
                 8.94         10.15        9.8927    1   0   1         6
                11.47          1.60        7.7138    1   0   2         6
                13.74          7.65        6.4460    1   1   0         3
                14.77          7.08        5.9992    1   0   3         6
                16.06          1.16        5.5173    2  -1   2         3
                16.06          1.23        5.5173    1   1   2         3
                16.41          1.79        5.4007    2   0   1         6
                18.43         44.42        4.8137    1   0   4         6
                21.05          4.31        4.2199    2   1   0         6
                21.47          2.78        4.1397    3  -1   1         6
                21.47          2.54        4.1397    2   1   1         6
                22.30         26.11        3.9866    1   0   5         6
                23.06          2.33        3.8569    2   0   4         6
                23.91         71.66        3.7216    3   0   0         6
                24.28          1.19        3.6663    3   0   1         6
                24.53          2.52        3.6293    2   1   3         6
                24.53          2.68        3.6293    3  -1   3         6
                26.28          2.56        3.3906    2   0   5         6
                26.94         49.92        3.3097    3  -1   4         6
                26.94         50.08        3.3097    2   1   4         6
                27.04          1.89        3.2976    3   0   3         6
                29.14          2.75        3.0645    4  -1   1         6
                29.14          2.75        3.0645    3   1   1         6
                30.39          2.81        2.9409    1   0   7         6
                31.51          4.88        2.8392    3   1   3         6
                31.51          4.65        2.8392    4  -1   3         6
                31.90          4.64        2.8050    3   0   5         6
                32.07          7.22        2.7912    4   0   0         6
                32.35         12.47        2.7676    4   0   1         6
                33.46          6.67        2.6781    4  -1   4         6
                33.46          6.41        2.6781    3   1   4         6
                33.60         24.18        2.6675    0   0   8         1
                34.52          8.45        2.5983    4   0   3         6
                35.03          1.12        2.5614    3   2   0         6
                35.83          3.31        2.5064    4  -1   5         6
                35.83          3.24        2.5064    3   1   5         6
                36.33         14.15        2.4732    4   0   4         6
                36.89          4.02        2.4364    4   1   0         6
                38.16          1.97        2.3583    3   0   7         6
                38.54          3.31        2.3360    4   0   5         6
                41.66          4.88        2.1681    3   0   8         6
                42.05         21.77        2.1487    3   3   0         3
                42.86          1.62        2.1099    4   2   0         6
                43.98          1.61        2.0587    4   0   7         6
                44.07          1.76        2.0550    2   2   8         3
                44.07          1.73        2.0550    4  -2   8         3
                45.22          2.99        2.0053    5   1   0         6
                47.13          7.59        1.9285    4   0   8         6
                48.50          2.34        1.8770    5   1   4         6
                48.50          2.34        1.8770    6  -1   4         6
                50.50          1.81        1.8071    4   0   9         6
                50.75          6.08        1.7989    4   1   8         6
                50.75          6.00        1.7989    5  -1   8         6
                51.09          2.02        1.7878    5   2   0         6
                52.08          2.18        1.7562    1   0  12         6
                52.74          1.94        1.7356    7  -3   4         6
                52.74          1.91        1.7356    4   3   4         6
                56.12          2.74        1.6388    2   1  12         6
                56.12          2.76        1.6388    3  -1  12         6
                56.76          1.71        1.6220    6   1   4         6
                56.76          1.74        1.6220    7  -1   4         6
                57.16          7.14        1.6115    4   4   0         3
                59.38          1.15        1.5563    7   0   3         6
                60.59          1.09        1.5281    7   0   4         6
                60.68          3.54        1.5262    6   0   8         6
                61.86          3.65        1.4998    4   0  12         6
                62.84          2.15        1.4788    7   1   0         6
                66.03          1.47        1.4150    4   0  13         6
                67.96          4.50        1.3793    8  -4   8         3
                67.96          4.50        1.3793    4   4   8         3
                69.64          6.12        1.3502    8   0   4         6
                70.62          2.99        1.3338    0   0  16         1
                73.18          2.02        1.2934    7   1   8         6
                73.18          2.03        1.2934    8  -1   8         6
                76.57          2.19        1.2442    6   3   8         6
                76.57          2.17        1.2442    9  -3   8         6
                76.84          1.99        1.2405    9   0   0         6
                89.21          2.07        1.0979    8   0  12         6
================================================================================
       XPOW Copyright 1993 Bob Downs, Ranjini Swaminathan and Kurt Bartelmehs
  For reference, see Downs et al. (1993) American Mineralogist 78, 1104-1107.