Spangolite
      Hawthorne F C, Kimata M, Eby R K
      American Mineralogist 78 (1993) 649-652
      The crystal structure of spangolite, a complex copper sulfate sheet mineral
      _database_code_amcsd 0001585

      CELL PARAMETERS:    8.2540   8.2540  14.3540   90.000   90.000  120.000
      SPACE GROUP: P31c      
      X-RAY WAVELENGTH:     1.541838
      Cell Volume:    846.901
      Density (g/cm3):      3.105
      MAX. ABS. INTENSITY / VOLUME**2:      59.89194603    
      RIR:      6.281
      RIR based on corundum from Acta Crystallographica A38 (1982) 733-739
               2-THETA      INTENSITY    D-SPACING   H   K   L   Multiplicity
                12.33        100.00        7.1770    0   0   2         1
                12.38          5.41        7.1482    1   0   0         6
                13.84          2.77        6.3987    1   0   1         6
                17.51          3.00        5.0647    1   0   2         6
                24.81         24.36        3.5885    0   0   4         1
                24.89          1.26        3.5777    2  -1   2         3
                24.89          5.34        3.5777    1   1   2         3
                24.91          1.13        3.5741    2   0   0         6
                27.82          2.41        3.2071    1   0   4         6
                33.08          2.46        2.7080    1   1   4         3
                33.16          5.25        2.7018    2   1   0         6
                33.64          1.48        2.6640    1   0   5         6
                33.76          1.61        2.6551    3  -1   1         6
                33.76         13.27        2.6551    2   1   1         6
                35.45          2.92        2.5323    2   0   4         6
                35.50         25.26        2.5285    2   1   2         6
                35.50          4.27        2.5285    3  -1   2         6
                37.60          1.70        2.3923    0   0   6         1
                38.26         13.09        2.3526    2   1   3         6
                38.26          4.53        2.3526    3  -1   3         6
                41.85          3.69        2.1584    3  -1   4         6
                41.85          8.03        2.1584    2   1   4         6
                45.75          1.01        1.9832    2   2   2         3
                46.14          8.02        1.9675    2   1   5         6
                46.14          2.05        1.9675    3  -1   5         6
                50.89          1.49        1.7943    0   0   8         1
                50.99          7.25        1.7911    2   1   6         6
                50.99          4.76        1.7911    3  -1   6         6
                51.54          1.26        1.7734    4   0   1         6
                56.33          2.81        1.6334    2   1   7         6
                56.33          1.55        1.6334    3  -1   7         6
                59.24          4.62        1.5599    4   1   0         6
                59.62          3.19        1.5507    5  -1   1         6
                59.62          3.38        1.5507    4   1   1         6
                60.76          1.41        1.5243    5  -1   2         6
                60.76          1.63        1.5243    4   1   2         6
                62.10          2.76        1.4947    3  -1   8         6
                62.10          1.41        1.4947    2   1   8         6
                62.64          2.28        1.4830    5  -1   3         6
                62.64          1.57        1.4830    4   1   3         6
                65.22          1.10        1.4306    5  -1   4         6
                65.22          1.37        1.4306    4   1   4         6
                68.29          1.57        1.3734    2   1   9         6
                69.95          1.35        1.3449    6  -2   1         6
                71.00          1.39        1.3276    6  -2   2         6
                72.74          1.32        1.3001    6  -2   3         6
                74.91          1.55        1.2676    3  -1  10         6
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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.