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 = 1.1 GPa
      Locality: Synthetic
      _database_code_amcsd 0019180

      CELL PARAMETERS:    2.6928   2.6928   4.3705   90.000   90.000  120.000
      SPACE GROUP: P6_3mc    
      X-RAY WAVELENGTH:     1.541838
      Cell Volume:     27.445
      Density (g/cm3):      3.026
      MAX. ABS. INTENSITY / VOLUME**2:      7.772304410    
      RIR:      0.836
      RIR based on corundum from Acta Crystallographica A38 (1982) 733-739
               2-THETA      INTENSITY    D-SPACING   H   K   L   Multiplicity
                38.61         83.49        2.3320    1   0   0         6
                41.32         54.35        2.1853    0   0   2         1
                44.01        100.00        2.0575    1   0   1         6
                57.82         22.13        1.5946    1   0   2         6
                69.86         35.59        1.3464    1   1   0         6
                77.21         31.66        1.2356    1   0   3         6
                82.78          4.92        1.1660    2   0   0         6
                84.53         20.92        1.1463    1   1   2         6
                86.36          5.81        1.1266    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.