Tungsten
      Mills S J, Kartashov P M, Kampf A R, Rumsey M S, Ma C, Stanley C J,
      Spratt J, Rossman G R, Novgorodova M I
      Mineralogical Magazine 85 (2021) 76-81
      Native tungsten from the Bol'shaya Pol'ya river valley and Mt Neroyka, Russia
      Locality: Bol'shaya Pol'ya river valley, Russia
      _database_code_amcsd 0020950

      CELL PARAMETERS:    3.1648   3.1648   3.1648   90.000   90.000   90.000
      SPACE GROUP: Im3m      
      X-RAY WAVELENGTH:     1.541838
      Cell Volume:     31.699
      Density (g/cm3):     19.222
      MAX. ABS. INTENSITY / VOLUME**2:      2261.210415    
      RIR:     38.303
      RIR based on corundum from Acta Crystallographica A38 (1982) 733-739
               2-THETA      INTENSITY    D-SPACING   H   K   L   Multiplicity
                40.30        100.00        2.2379    1   1   0        12
                58.31         15.77        1.5824    2   0   0         6
                73.26         29.55        1.2920    2   1   1        24
                87.10          8.89        1.1189    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.