Avicennite
      Zachariasen W
      Norsk Geologisk Tidsskrift 9 (1927) 310-316
      The crystal structure of the modification C of the sesquioxides of the
      rare earth metals, and of indium and thallium.
      _cod_database_code 1010927
      _database_code_amcsd 0017649

      CELL PARAMETERS:   10.5700  10.5700  10.5700   90.000   90.000   90.000
      SPACE GROUP: I2_13     
      X-RAY WAVELENGTH:     1.541838
      Cell Volume:   1180.932
      Density (g/cm3):     10.275
      MAX. ABS. INTENSITY / VOLUME**2:      715.8555569    
      RIR:     22.686
      RIR based on corundum from Acta Crystallographica A38 (1982) 733-739
               2-THETA      INTENSITY    D-SPACING   H   K   L   Multiplicity
                20.58          3.63        4.3152    2   1   1        12
                29.27        100.00        3.0513    2   2   2         4
                31.67          3.67        2.8250    3   2   1        12
                31.67          3.73        2.8250    3   1   2        12
                33.92         37.25        2.6425    4   0   0         6
                36.05          5.09        2.4914    4   1   1        12
                40.01          1.38        2.2535    3   3   2        12
                43.67          4.10        2.0729    4   3   1        12
                43.67          3.71        2.0729    4   1   3        12
                47.09          2.37        1.9298    5   2   1        12
                47.09          1.57        1.9298    5   1   2        12
                48.73         34.45        1.8685    4   4   0        12
                50.34          2.13        1.8127    4   3   3        12
                53.44          3.24        1.7147    6   1   1        12
                56.42          1.71        1.6310    5   4   1        12
                56.42          1.65        1.6310    5   1   4        12
                57.87         28.72        1.5935    6   2   2        12
                59.30          1.89        1.5585    6   3   1        12
                59.30          1.91        1.5585    6   1   3        12
                60.70          6.05        1.5256    4   4   4         4
                62.09          1.31        1.4948    5   4   3        12
                62.09          1.00        1.4948    5   3   4        12
                64.82          1.38        1.4384    6   3   3        12
                66.16          1.39        1.4125    6   4   2        12
                71.39          3.72        1.3212    8   0   0         6
                72.67          1.12        1.3011    8   1   1        12
                75.21          1.06        1.2634    6   5   3        12
                75.21          1.06        1.2634    6   3   5        12
                76.47          1.15        1.2457    8   2   2        12
                78.96          7.00        1.2125    6   6   2        12
                81.44          2.84        1.1818    8   0   4        12
                81.44          2.84        1.1818    8   4   0        12
================================================================================
       XPOW Copyright 1993 Bob Downs, Ranjini Swaminathan and Kurt Bartelmehs
  For reference, see Downs et al. (1993) American Mineralogist 78, 1104-1107.