Marshite
      Cooper M A, Hawthorne F C
      The Canadian Mineralogist 35 (1997) 785-786
      A note on the crystal structure of marshite
      Note: ZnS structure, sphalerite structure
      _database_code_amcsd 0005529

      CELL PARAMETERS:    6.0630   6.0630   6.0630   90.000   90.000   90.000
      SPACE GROUP: F-43m     
      X-RAY WAVELENGTH:     1.541838
      Cell Volume:    222.876
      Density (g/cm3):      5.675
      MAX. ABS. INTENSITY / VOLUME**2:      256.4955413    
      RIR:     14.717
      RIR based on corundum from Acta Crystallographica A38 (1982) 733-739
               2-THETA      INTENSITY    D-SPACING   H   K   L   Multiplicity
                25.45        100.00        3.5005    1   1   1         4
                29.46          8.27        3.0315    2   0   0         6
                42.16         61.52        2.1436    2   2   0        12
                49.89         38.16        1.8281    3   1   1        12
                52.27          2.18        1.7502    2   2   2         4
                61.14          8.04        1.5158    4   0   0         6
                67.32         12.61        1.3909    3   3   1        12
                69.31          2.85        1.3557    4   2   0        24
                77.06         13.12        1.2376    4   2   2        12
                82.71          5.95        1.1668    5   1   1        12
                82.71          1.98        1.1668    3   3   3         4
================================================================================
       XPOW Copyright 1993 Bob Downs, Ranjini Swaminathan and Kurt Bartelmehs
  For reference, see Downs et al. (1993) American Mineralogist 78, 1104-1107.