Effenbergerite
      Knight K S, Henderson C M B, Clark S M
      European Journal of Mineralogy 22 (2010) 411-423
      Structural variations in the wesselsite-effenbergerite (Sr1-xBaxCuSi4O10)
      solid solution
      Locality: synthetic
      Sample: x = .821
      _database_code_amcsd 0018774

      CELL PARAMETERS:    7.4193   7.4193  16.0402   90.000   90.000   90.000
      SPACE GROUP: P4/ncc    
      X-RAY WAVELENGTH:     1.541838
      Cell Volume:    882.954
      Density (g/cm3):      3.492
      MAX. ABS. INTENSITY / VOLUME**2:      22.18925030    
      RIR:      2.069
      RIR based on corundum from Acta Crystallographica A38 (1982) 733-739
               2-THETA      INTENSITY    D-SPACING   H   K   L   Multiplicity
                11.03         46.52        8.0201    0   0   2         2
                16.28          6.96        5.4463    1   0   2         8
                16.90          6.68        5.2463    1   1   0         4
                20.23         45.80        4.3904    1   1   2         8
                22.17         12.20        4.0100    0   0   4         2
                25.25         29.44        3.5277    1   0   4         8
                26.47        100.00        3.3669    2   0   2         8
                27.45          8.49        3.2492    2   1   1        16
                28.01         63.41        3.1859    1   1   4         8
                29.13         40.40        3.0660    2   1   2        16
                32.89         23.29        2.7231    2   0   4         8
                33.52          2.63        2.6734    0   0   6         2
                34.18         30.37        2.6231    2   2   0         4
                36.02          6.33        2.4932    2   2   2         8
                37.77         21.37        2.3819    1   1   6         8
                38.08          3.49        2.3633    3   0   2         8
                38.37          3.35        2.3462    3   1   0         8
                40.04          8.43        2.2518    3   1   2        16
                41.12          2.80        2.1952    2   2   4         8
                43.47          3.44        2.0817    2   1   6        16
                44.38          2.01        2.0410    3   2   1        16
                44.75         11.69        2.0251    3   1   4        16
                45.22          3.36        2.0050    0   0   8         2
                46.94          5.25        1.9356    1   0   8         8
                48.61          2.40        1.8729    1   1   8         8
                48.63          1.37        1.8723    2   2   6         8
                49.12         10.24        1.8548    4   0   0         4
                49.81          4.57        1.8308    3   2   4        16
                51.08          1.67        1.7882    4   1   1        16
                51.85          8.47        1.7634    3   1   6        16
                55.38          1.49        1.6590    4   2   0         8
                56.01          1.23        1.6417    4   1   4        16
                56.66          5.65        1.6246    4   2   2        16
                57.49          3.35        1.6030    3   3   4         8
                60.76          1.13        1.5243    3   1   8        16
                63.15          4.91        1.4723    2   0  10         8
                64.94          2.42        1.4360    3   2   8        16
                66.61          1.03        1.4040    5   1   3        16
                68.61          1.55        1.3678    5   1   4        16
                69.19          2.15        1.3578    5   2   2        16
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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.