Qingsongite
      Dobrzhinetskaya L F, Wirth R, Yang J, Green H W, Hutcheon I D,
      Weber P K, Grew E S
      American Mineralogist 99 (2014) 764-772
      Qingsongite, natural cubic boron nitride: The first boron mineral
      from the Earth's mantle
      Locality: deposit 31, Luobusa ophiolite, Yarlung Zangbu suture, southern Tibet
      _database_code_amcsd 0020032

      CELL PARAMETERS:    3.6100   3.6100   3.6100   90.000   90.000   90.000
      SPACE GROUP: F-43m     
      X-RAY WAVELENGTH:     1.541838
      Cell Volume:     47.046
      Density (g/cm3):      3.458
      MAX. ABS. INTENSITY / VOLUME**2:      13.15047123    
      RIR:      1.238
      RIR based on corundum from Acta Crystallographica A38 (1982) 733-739
               2-THETA      INTENSITY    D-SPACING   H   K   L   Multiplicity
                43.42        100.00        2.0842    1   1   1         4
                50.57          4.18        1.8050    2   0   0         6
                74.32         35.17        1.2763    2   2   0        12
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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.