Stratlingite
      Rinaldi R, Sacerdoti M, Passaglia E
      European Journal of Mineralogy 2 (1990) 841-849
      Stratlingite: crystal structure, chemistry, and a reexamination
      of its polytype vertumnite
      _database_code_amcsd 0006404

      CELL PARAMETERS:    5.7450   5.7450  37.7700   90.000   90.000  120.000
      SPACE GROUP: R-3m      
      X-RAY WAVELENGTH:     1.541838
      Cell Volume:   1079.587
      Density (g/cm3):      2.019
      MAX. ABS. INTENSITY / VOLUME**2:      9.649707995    
      RIR:      1.556
      RIR based on corundum from Acta Crystallographica A38 (1982) 733-739
               2-THETA      INTENSITY    D-SPACING   H   K   L   Multiplicity
                 7.02        100.00       12.5900    0   0   3         2
                14.07         25.95        6.2950    0   0   6         2
                17.98          6.96        4.9327    1   0   1         6
                18.44          4.90        4.8112    0   1   2         6
                20.17         16.63        4.4017    1   0   4         6
                21.17         48.20        4.1967    0   0   9         2
                21.38         23.53        4.1551    0   1   5         6
                24.33          1.26        3.6577    1   0   7         6
                26.02          6.16        3.4247    0   1   8         6
                31.14         45.05        2.8725    1   1   0         6
                31.66          1.39        2.8260    0   1  11         6
                34.32         12.71        2.6133    1   1   6        12
                35.66          2.21        2.5180    0   0  15         2
                35.79          9.36        2.5089    1   0  13         6
                36.19         15.03        2.4823    0   2   1         6
                37.38         13.39        2.4056    0   2   4         6
                37.94          4.80        2.3716    0   1  14         6
                37.96          7.77        2.3704    1   1   9        12
                38.08          8.52        2.3628    2   0   5         6
                42.38          6.54        2.1327    1   0  16         6
                42.61         10.64        2.1217    1   1  12        12
                43.56          4.63        2.0775    0   2  10         6
                44.67          8.83        2.0287    0   1  17         6
                45.00          3.03        2.0145    2   0  11         6
                48.05          8.43        1.8935    1   1  15        12
                48.16          5.62        1.8896    0   2  13         6
                49.42          4.20        1.8443    2   1   4        12
                49.86         11.03        1.8288    2   0  14         6
                49.98          1.34        1.8248    1   2   5        12
                50.76          2.48        1.7986    0   0  21         2
                55.40         13.35        1.6584    3   0   0         6
                55.45          3.66        1.6571    2   0  17         6
                55.92          1.70        1.6442    0   3   3         6
                55.92          1.85        1.6442    3   0   3         6
                57.46          1.74        1.6037    0   3   6         6
                57.46          2.66        1.6037    3   0   6         6
                58.46          2.48        1.5787    2   1  13        12
                59.26          1.60        1.5594    0   1  23         6
                59.96          3.39        1.5427    1   2  14        12
                59.98          1.13        1.5424    0   3   9         6
                59.98          1.80        1.5424    3   0   9         6
                61.66          1.49        1.5042    2   0  20         6
                63.22          1.07        1.4708    2   1  16        12
                64.93          6.77        1.4362    2   2   0         6
                64.97          5.13        1.4354    1   2  17        12
                67.12          1.05        1.3945    0   1  26         6
                67.91          2.54        1.3802    1   1  24        12
                68.46          1.65        1.3705    2   0  23         6
                69.13          3.38        1.3589    2   2   9        12
                70.70          1.20        1.3325    1   2  20        12
                75.45          1.41        1.2600    0   1  29         6
                76.41          1.02        1.2465    1   3  13        12
                77.11          1.81        1.2369    1   2  23        12
                82.24          1.00        1.1722    3   1  17        12
                84.22          1.03        1.1496    1   2  26        12
================================================================================
       XPOW Copyright 1993 Bob Downs, Ranjini Swaminathan and Kurt Bartelmehs
  For reference, see Downs et al. (1993) American Mineralogist 78, 1104-1107.