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 = 143 K
      _database_code_amcsd 0018824

      CELL PARAMETERS:    8.0746   8.0746   8.0746   90.000   90.000   90.000
      SPACE GROUP: Fd3m      
      X-RAY WAVELENGTH:     1.541838
      Cell Volume:    526.457
      Density (g/cm3):      3.525
      MAX. ABS. INTENSITY / VOLUME**2:      22.76045544    
      RIR:      2.102
      RIR based on corundum from Acta Crystallographica A38 (1982) 733-739
               2-THETA      INTENSITY    D-SPACING   H   K   L   Multiplicity
                31.33         31.07        2.8548    2   2   0        12
                36.92        100.00        2.4346    3   1   1        24
                38.63          2.60        2.3309    2   2   2         8
                44.90         44.88        2.0187    4   0   0         6
                49.19          2.48        1.8524    3   3   1        24
                55.77          9.93        1.6482    4   2   2        24
                59.48         10.43        1.5540    3   3   3         8
                59.48         14.76        1.5540    5   1   1        24
                65.38         64.04        1.4274    4   4   0        12
                74.29          3.85        1.2767    6   2   0        24
                77.52          9.25        1.2314    5   3   3        24
                82.82          5.30        1.1655    4   4   4         8
================================================================================
       XPOW Copyright 1993 Bob Downs, Ranjini Swaminathan and Kurt Bartelmehs
  For reference, see Downs et al. (1993) American Mineralogist 78, 1104-1107.