Bromellite
      Hazen R M, Finger L W
      Journal of Applied Physics 59 (1986) 3728-3733
      High-pressure and high-temperature crystal chemistry of beryllium oxide
      Note: T = 1183 K
      Locality: Synthetic
      _database_code_amcsd 0019190

      CELL PARAMETERS:    2.7178   2.7178   4.4078   90.000   90.000  120.000
      SPACE GROUP: P6_3mc    
      X-RAY WAVELENGTH:     1.541838
      Cell Volume:     28.196
      Density (g/cm3):      2.946
      MAX. ABS. INTENSITY / VOLUME**2:      7.341946112    
      RIR:      0.812
      RIR based on corundum from Acta Crystallographica A38 (1982) 733-739
               2-THETA      INTENSITY    D-SPACING   H   K   L   Multiplicity
                38.24         83.64        2.3537    1   0   0         6
                40.95         54.47        2.2039    0   0   2         1
                43.59        100.00        2.0762    1   0   1         6
                57.27         21.60        1.6087    1   0   2         6
                69.13         33.39        1.3589    1   1   0         6
                76.42         28.90        1.2464    1   0   3         6
                81.85          4.43        1.1768    2   0   0         6
                83.59         18.96        1.1567    1   1   2         6
                85.38          5.32        1.1370    2   0   1         6
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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.