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 = 303 K
      _database_code_amcsd 0018827

      CELL PARAMETERS:    8.0816   8.0816   8.0816   90.000   90.000   90.000
      SPACE GROUP: Fd3m      
      X-RAY WAVELENGTH:     1.541838
      Cell Volume:    527.828
      Density (g/cm3):      3.472
      MAX. ABS. INTENSITY / VOLUME**2:      21.60946031    
      RIR:      2.026
      RIR based on corundum from Acta Crystallographica A38 (1982) 733-739
               2-THETA      INTENSITY    D-SPACING   H   K   L   Multiplicity
                31.31         31.97        2.8573    2   2   0        12
                36.89        100.00        2.4367    3   1   1        24
                38.59          3.26        2.3330    2   2   2         8
                44.86         44.52        2.0204    4   0   0         6
                49.14          2.18        1.8540    3   3   1        24
                55.72         10.24        1.6496    4   2   2        24
                59.43         14.68        1.5553    5   1   1        24
                59.43         10.32        1.5553    3   3   3         8
                65.32         63.45        1.4286    4   4   0        12
                74.21          3.98        1.2778    6   2   0        24
                77.44          9.10        1.2324    5   3   3        24
                82.74          4.93        1.1665    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.