Spinel
      Lenaz D, Logvinova A M, Princivalle F, Sobolev N V
      American Mineralogist 94 (2009) 1067-1070
      Structural parameters of chromite included in diamond and kimberlites
      from Siberia: A new tool for discriminating ultramafic source
      Locality: Obnazhennaya pipe,within the Kuoika kimberlite field, Russia
      Note: sample O-601
      _database_code_amcsd 0004969

      CELL PARAMETERS:    8.1715   8.1715   8.1715   90.000   90.000   90.000
      SPACE GROUP: Fd3m      
      X-RAY WAVELENGTH:     1.541838
      Cell Volume:    545.637
      Density (g/cm3):      3.996
      MAX. ABS. INTENSITY / VOLUME**2:      31.35991133    
      RIR:      2.555
      RIR based on corundum from Acta Crystallographica A38 (1982) 733-739
               2-THETA      INTENSITY    D-SPACING   H   K   L   Multiplicity
                18.81         24.57        4.7178    1   1   1         8
                30.95         32.49        2.8891    2   2   0        12
                36.47        100.00        2.4638    3   1   1        24
                44.34         39.08        2.0429    4   0   0         6
                55.06          9.22        1.6680    4   2   2        24
                58.71          3.66        1.5726    3   3   3         8
                58.71         38.31        1.5726    5   1   1        24
                64.51         57.87        1.4445    4   4   0        12
                67.85          2.48        1.3812    5   3   1        48
                73.26          2.92        1.2920    6   2   0        24
                76.43          9.65        1.2461    5   3   3        24
                77.48          2.22        1.2319    6   2   2        24
                81.63          4.73        1.1795    4   4   4         8
                84.71          2.01        1.1442    5   5   1        24
                89.82          4.83        1.0920    6   4   2        48
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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.