Zaccagnaite
      Merlino S, Orlandi P
      American Mineralogist 86 (2001) 1293-1301
      Carraraite and zaccagnaite, two new minerals from the Carrara marble quarries:
      their chemical compositions, physical properties and structural features
      _database_code_amcsd 0002735

      CELL PARAMETERS:    3.0725   3.0725  15.1140   90.000   90.000  120.000
      SPACE GROUP: P6_3/mmc  
      X-RAY WAVELENGTH:     1.541838
      Cell Volume:    123.565
      Density (g/cm3):      3.940
      MAX. ABS. INTENSITY / VOLUME**2:      42.90362836    
      RIR:      3.545
      RIR based on corundum from Acta Crystallographica A38 (1982) 733-739
               2-THETA      INTENSITY    D-SPACING   H   K   L   Multiplicity
                11.71          8.39        7.5570    0   0   2         2
                23.55        100.00        3.7785    0   0   4         2
                33.68         10.90        2.6609    1   0   0         6
                34.22         29.30        2.6206    1   0   1        12
                35.64          1.79        2.5190    0   0   6         2
                35.78         33.93        2.5098    1   0   2        12
                41.51         29.25        2.1756    1   0   4        12
                45.41         16.05        1.9973    1   0   5        12
                48.17          5.53        1.8893    0   0   8         2
                49.85         26.15        1.8293    1   0   6        12
                54.75          1.10        1.6766    1   0   7        12
                60.06         12.48        1.5405    1   0   8        12
                60.24         13.18        1.5362    1   1   0         6
                61.61          8.93        1.5055    1   1   2        12
                65.60          9.14        1.4231    1   1   4        12
                70.82          1.35        1.3304    2   0   0         6
                71.83          5.77        1.3142    1   0  10        12
                72.08          3.60        1.3103    2   0   2        12
                75.48          1.83        1.2595    0   0  12         2
                75.81          3.80        1.2549    2   0   4        12
                78.32          1.25        1.2208    1   0  11        12
                80.60          2.19        1.1919    1   1   8        12
                81.89          4.09        1.1764    2   0   6        12
                85.25          2.41        1.1384    1   0  12        12
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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.