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 = 685 K
      _database_code_amcsd 0018835

      CELL PARAMETERS:    8.1279   8.1279   8.1279   90.000   90.000   90.000
      SPACE GROUP: Fd3m      
      X-RAY WAVELENGTH:     1.541838
      Cell Volume:    536.952
      Density (g/cm3):      3.373
      MAX. ABS. INTENSITY / VOLUME**2:      18.86903208    
      RIR:      1.821
      RIR based on corundum from Acta Crystallographica A38 (1982) 733-739
               2-THETA      INTENSITY    D-SPACING   H   K   L   Multiplicity
                31.12         31.64        2.8736    2   2   0        12
                36.67        100.00        2.4507    3   1   1        24
                38.36          3.68        2.3463    2   2   2         8
                44.59         45.52        2.0320    4   0   0         6
                48.84          2.31        1.8647    3   3   1        24
                55.38          9.23        1.6591    4   2   2        24
                59.06          9.39        1.5642    3   3   3         8
                59.06         13.14        1.5642    5   1   1        24
                64.90         56.54        1.4368    4   4   0        12
                73.72          3.26        1.2851    6   2   0        24
                76.92          7.41        1.2395    5   3   3        24
                82.16          4.01        1.1732    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.