Tschortnerite
      Effenberger H, Giester G, Krause W, Bernhardt H J
      American Mineralogist 83 (1998) 607-617
      Tschortnerite, a copper-bearing zeolite from the Bellberg volcano, Eifel,
      Germany
      _database_code_amcsd 0002008

      CELL PARAMETERS:   31.6200  31.6200  31.6200   90.000   90.000   90.000
      SPACE GROUP: Fm3m      
      X-RAY WAVELENGTH:     1.541838
      Cell Volume:  31614.449
      Density (g/cm3):      2.144
      MAX. ABS. INTENSITY / VOLUME**2:      80.14988641    
      RIR:     12.172
      RIR based on corundum from Acta Crystallographica A38 (1982) 733-739
               2-THETA      INTENSITY    D-SPACING   H   K   L   Multiplicity
                 4.84        100.00       18.2558    1   1   1         8
                 5.59         17.56       15.8100    2   0   0         6
                 9.69          6.91        9.1279    2   2   2         8
                20.05          1.49        4.4277    7   1   1        24
                20.05          1.02        4.4277    5   5   1        24
                23.02          2.58        3.8630    7   3   3        24
                23.20          1.68        3.8345    8   2   0        24
                25.67          1.95        3.4707    7   5   3        48
                27.64          2.00        3.2272    8   4   4        24
                29.35          1.23        3.0426    6   6   6         8
                30.45          1.93        2.9358   10   4   0        24
                30.98          2.20        2.8865   10   4   2        48
                32.02          1.06        2.7948    8   8   0        12
                32.41          1.34        2.7627    9   5   5        24
                33.04          1.10        2.7114   10   6   0        24
                34.39          1.27        2.6080    7   7   7         8
                34.99          1.91        2.5647   10   6   4        48
                57.73          1.13        1.5971   14  14   0        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.