Danalite
      Hassan I, Grundy H D
      American Mineralogist 70 (1985) 186-192
      The crystal structures of helvite group minerals, (MnFeZn)8(Be6Si6O24)S2
      _database_code_amcsd 0000971

      CELL PARAMETERS:    8.2180   8.2180   8.2180   90.000   90.000   90.000
      SPACE GROUP: P-43n     
      X-RAY WAVELENGTH:     1.541838
      Cell Volume:    555.007
      Density (g/cm3):      3.343
      MAX. ABS. INTENSITY / VOLUME**2:      49.83901532    
      RIR:      4.855
      RIR based on corundum from Acta Crystallographica A38 (1982) 733-739
               2-THETA      INTENSITY    D-SPACING   H   K   L   Multiplicity
                21.63          2.66        4.1090    2   0   0         6
                24.22          7.83        3.6752    2   1   0        24
                26.57        100.00        3.3550    2   1   1        12
                30.77          2.80        2.9055    2   2   0        12
                34.51         14.54        2.5988    3   1   0        24
                37.93          4.00        2.3723    2   2   2         4
                39.54          1.97        2.2793    3   2   0        24
                41.10         19.57        2.1964    3   2   1        24
                44.08          2.69        2.0545    4   0   0         6
                46.91         23.77        1.9370    4   1   1        12
                46.91         19.88        1.9370    3   3   0        12
                49.61          6.04        1.8376    4   2   0        24
                50.92          1.83        1.7933    4   2   1        24
                52.21          1.21        1.7521    3   3   2        12
                54.72          8.66        1.6775    4   2   2        12
                57.15          2.66        1.6117    5   1   0        24
                60.69          1.07        1.5260    4   3   2        24
                61.84          6.57        1.5004    5   2   1        24
                64.10          8.48        1.4528    4   4   0        12
                66.32          2.91        1.4094    4   3   3        12
                66.32          4.63        1.4094    5   3   0        24
                68.51          3.51        1.3697    6   0   0         6
                68.51          5.38        1.3697    4   4   2        12
                70.66          6.21        1.3331    5   3   2        24
                72.78          1.51        1.2994    6   2   0        24
                74.88          8.65        1.2681    5   4   1        24
                76.96          1.06        1.2389    6   2   2        12
                83.11          1.20        1.1622    5   4   3        24
                87.16          4.91        1.1183    6   3   3        12
                87.16          3.03        1.1183    7   2   1        24
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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.