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 = .636
      _database_code_amcsd 0018773

      CELL PARAMETERS:    7.4030   7.4030  15.9357   90.000   90.000   90.000
      SPACE GROUP: P4/ncc    
      X-RAY WAVELENGTH:     1.541838
      Cell Volume:    873.347
      Density (g/cm3):      3.461
      MAX. ABS. INTENSITY / VOLUME**2:      21.20629843    
      RIR:      1.995
      RIR based on corundum from Acta Crystallographica A38 (1982) 733-739
               2-THETA      INTENSITY    D-SPACING   H   K   L   Multiplicity
                11.10         44.57        7.9679    0   0   2         2
                16.34          7.07        5.4234    1   0   2         8
                16.94          5.57        5.2347    1   1   0         4
                20.30         42.18        4.3750    1   1   2         8
                22.32         14.67        3.9839    0   0   4         2
                25.39         30.62        3.5082    1   0   4         8
                26.55        100.00        3.3569    2   0   2         8
                27.52         10.29        3.2415    2   1   1        16
                28.15         62.19        3.1702    1   1   4         8
                29.21         42.12        3.0573    2   1   2        16
                33.03         25.08        2.7117    2   0   4         8
                33.75          2.49        2.6560    0   0   6         2
                34.26         29.84        2.6174    2   2   0         4
                36.12          6.45        2.4866    2   2   2         8
                37.99         21.81        2.3685    1   1   6         8
                38.18          3.65        2.3572    3   0   2         8
                38.45          3.38        2.3410    3   1   0         8
                38.88          1.19        2.3162    3   1   1        16
                40.15          9.14        2.2461    3   1   2        16
                41.27          3.24        2.1875    2   2   4         8
                43.69          3.72        2.0717    2   1   6        16
                44.49          2.41        2.0364    3   2   1        16
                44.91         12.41        2.0184    3   1   4        16
                45.54          3.72        1.9920    0   0   8         2
                47.25          5.28        1.9235    1   0   8         8
                48.23          1.18        1.8867    3   1   5        16
                48.85          1.81        1.8642    2   2   6         8
                48.92          2.73        1.8617    1   1   8         8
                49.23         10.88        1.8507    4   0   0         4
                49.97          4.66        1.8251    3   2   4        16
                50.63          1.07        1.8028    4   0   2         8
                51.20          2.07        1.7842    4   1   1        16
                52.08          8.95        1.7562    3   1   6        16
                55.51          1.87        1.6554    4   2   0         8
                56.19          1.32        1.6369    4   1   4        16
                56.80          6.19        1.6208    4   2   2        16
                57.68          3.54        1.5983    3   3   4         8
                61.02          1.06        1.5185    4   0   6         8
                61.08          1.40        1.5171    3   1   8        16
                63.06          1.21        1.4743    4   3   1        16
                63.57          5.38        1.4637    2   0  10         8
                65.26          2.47        1.4297    3   2   8        16
                66.80          1.38        1.4005    5   1   3        16
                68.83          1.73        1.3641    5   1   4        16
                69.30          1.05        1.3559    4   0   8         8
                69.37          2.26        1.3547    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.