Ringwoodite
      Ye Y, Brown D A, Smyth J R, Panero W R, Jacobsen S D, Chang Y Y, Townsend J P,
      Thomas S M, Hauri E H, Dera P, Frost D J
      American Mineralogist 97 (2012) 573-582
      Compressibility and thermal expansion of hydrous ringwoodite with 2.5(3) wt% H2O
      Locality: synthetic
      Note: T = 243 K
      _database_code_amcsd 0018826

      CELL PARAMETERS:    8.0777   8.0777   8.0777   90.000   90.000   90.000
      SPACE GROUP: Fd3m      
      X-RAY WAVELENGTH:     1.541838
      Cell Volume:    527.064
      Density (g/cm3):      3.482
      MAX. ABS. INTENSITY / VOLUME**2:      21.76764792    
      RIR:      2.035
      RIR based on corundum from Acta Crystallographica A38 (1982) 733-739
               2-THETA      INTENSITY    D-SPACING   H   K   L   Multiplicity
                31.32         31.29        2.8559    2   2   0        12
                36.91        100.00        2.4355    3   1   1        24
                38.61          3.06        2.3318    2   2   2         8
                44.88         45.23        2.0194    4   0   0         6
                49.17          2.34        1.8532    3   3   1        24
                55.75         10.10        1.6489    4   2   2        24
                59.46         10.36        1.5546    3   3   3         8
                59.46         14.76        1.5546    5   1   1        24
                65.35         63.90        1.4279    4   4   0        12
                74.26          3.96        1.2772    6   2   0        24
                77.49          9.19        1.2318    5   3   3        24
                82.78          5.05        1.1659    4   4   4         8
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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.