Stichtite
      Mills S J, Whitfield P S, Wilson S A, Woodhouse J N, Dipple G M,
      Raudsepp M, Francis C A
      American Mineralogist 96 (2011) 179-187
      The crystal structure of stichtite, re-examination of barbertonite, and the
      nature of polytypism in MgCr hydrotalcites
      Note: Sample 92459, 2H1 polytype of stichtite = barbertonite
      Locality: Barberton, South Africa
      _database_code_amcsd 0018332

      CELL PARAMETERS:    3.0965   3.0965  15.6270   90.000   90.000  120.000
      SPACE GROUP: P6_3/mmc  
      X-RAY WAVELENGTH:     1.541838
      Cell Volume:    129.759
      Density (g/cm3):      2.092
      MAX. ABS. INTENSITY / VOLUME**2:      30.43012295    
      RIR:      4.736
      RIR based on corundum from Acta Crystallographica A38 (1982) 733-739
               2-THETA      INTENSITY    D-SPACING   H   K   L   Multiplicity
                11.32        100.00        7.8135    0   0   2         2
                22.76         36.45        3.9067    0   0   4         2
                33.92         10.25        2.6430    1   0   1        12
                35.39          9.13        2.5364    1   0   2        12
                37.73          2.63        2.3842    1   0   3        12
                40.81          6.39        2.2109    1   0   4        12
                44.52         11.52        2.0352    1   0   5        12
                48.74         12.07        1.8683    1   0   6        12
                58.45          4.98        1.5789    1   0   8        12
                59.73          5.70        1.5482    1   1   0         6
                61.01          6.85        1.5187    1   1   2        12
                64.77          2.91        1.4393    1   1   4        12
                69.64          3.29        1.3502    1   0  10        12
                71.38          1.04        1.3215    2   0   2        12
                80.58          1.69        1.1921    2   0   6        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.