Rosenbergite
      Olmi F, Sabelli C, Trosti-Ferroni R
      European Journal of Mineralogy 5 (1993) 1167-1174
      Rosenbergite, AlF[F0.5(H2O)0.5}4.H2O, a new mineral from the
      Cetine mine (Tuscany, Italy): description and crystal structure
      Locality: Cetine mine, Tuscany, Italy
      _database_code_amcsd 0006508

      CELL PARAMETERS:    7.7150   7.7150   3.6480   90.000   90.000   90.000
      SPACE GROUP: P4/n      
      X-RAY WAVELENGTH:     1.541838
      Cell Volume:    217.133
      Density (g/cm3):      2.111
      MAX. ABS. INTENSITY / VOLUME**2:      8.455014206    
      RIR:      1.304
      RIR based on corundum from Acta Crystallographica A38 (1982) 733-739
               2-THETA      INTENSITY    D-SPACING   H   K   L   Multiplicity
                16.25        100.00        5.4553    1   1   0         4
                23.06         48.64        3.8575    2   0   0         4
                24.40         15.62        3.6480    0   0   1         2
                27.04         45.44        3.2979    1   0   1         8
                29.45         28.63        3.0325    1   1   1         8
                32.83         19.44        2.7277    2   2   0         4
                33.82         15.47        2.6505    2   0   1         8
                35.82         16.97        2.5067    1   2   1         8
                36.84         27.02        2.4397    3   1   0         4
                36.84         11.54        2.4397    1   3   0         4
                41.33          4.79        2.1845    2   2   1         8
                43.03          1.56        2.1019    3   0   1         8
                44.69         12.19        2.0280    3   1   1         8
                44.69          3.27        2.0280    1   3   1         8
                47.12         10.42        1.9288    4   0   0         4
                49.38          1.47        1.8457    2   3   1         8
                49.38          7.61        1.8457    3   2   1         8
                50.17          4.66        1.8184    3   3   0         4
                51.48         27.28        1.7751    1   0   2         8
                52.93          2.32        1.7299    1   1   2         8
                53.09         28.00        1.7251    4   2   0         4
                53.09          7.01        1.7251    2   4   0         4
                55.17          6.20        1.6649    4   1   1         8
                56.55          2.68        1.6275    3   3   1         8
                57.12          6.35        1.6125    2   1   2         8
                59.25          2.61        1.5595    4   2   1         8
                61.26          3.29        1.5130    1   5   0         4
                61.26          1.96        1.5130    5   1   0         4
                63.70          1.38        1.4609    3   1   2         8
                66.95          1.23        1.3976    5   1   1         8
                66.95          2.22        1.3976    1   5   1         8
                67.47         10.10        1.3881    3   2   2         8
                70.64          1.04        1.3335    5   2   1         8
                70.64          2.85        1.3335    2   5   1         8
                71.28          1.96        1.3231    3   5   0         4
                72.35          8.40        1.3061    4   1   2         8
                76.60          1.37        1.2438    3   5   1         8
                78.39          5.12        1.2198    2   6   0         4
                78.69          1.11        1.2160    0   0   3         2
                81.75          2.66        1.1780    4   3   2         8
                81.75          1.36        1.1780    5   0   2         8
                81.75          1.68        1.1780    3   4   2         8
                86.35          4.52        1.1267    2   5   2         8
                86.35          2.62        1.1267    5   2   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.