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: P = 2.2 GPa
      Locality: Synthetic
      _database_code_amcsd 0019181

      CELL PARAMETERS:    2.6883   2.6883   4.3614   90.000   90.000  120.000
      SPACE GROUP: P6_3mc    
      X-RAY WAVELENGTH:     1.541838
      Cell Volume:     27.297
      Density (g/cm3):      3.043
      MAX. ABS. INTENSITY / VOLUME**2:      7.805248077    
      RIR:      0.835
      RIR based on corundum from Acta Crystallographica A38 (1982) 733-739
               2-THETA      INTENSITY    D-SPACING   H   K   L   Multiplicity
                38.67         84.04        2.3281    1   0   0         6
                41.41         55.11        2.1807    0   0   2         1
                44.09        100.00        2.0538    1   0   1         6
                57.94         22.59        1.5916    1   0   2         6
                69.99         36.23        1.3441    1   1   0         6
                77.39         32.05        1.2331    1   0   3         6
                82.95          5.05        1.1641    2   0   0         6
                84.71         21.67        1.1442    1   1   2         6
                86.54          5.88        1.1247    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.