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 = 3.8 GPa
      Locality: Synthetic
      _database_code_amcsd 0019182

      CELL PARAMETERS:    2.6832   2.6832   4.3524   90.000   90.000  120.000
      SPACE GROUP: P6_3mc    
      X-RAY WAVELENGTH:     1.541838
      Cell Volume:     27.137
      Density (g/cm3):      3.061
      MAX. ABS. INTENSITY / VOLUME**2:      7.894687741    
      RIR:      0.840
      RIR based on corundum from Acta Crystallographica A38 (1982) 733-739
               2-THETA      INTENSITY    D-SPACING   H   K   L   Multiplicity
                38.75         83.18        2.3237    1   0   0         6
                41.49         54.29        2.1762    0   0   2         1
                44.18        100.00        2.0499    1   0   1         6
                58.07         22.16        1.5884    1   0   2         6
                70.15         35.47        1.3416    1   1   0         6
                77.58         31.49        1.2306    1   0   3         6
                83.14          4.92        1.1619    2   0   0         6
                84.92         21.11        1.1420    1   1   2         6
                86.75          5.94        1.1226    2   0   1         6
================================================================================
       XPOW Copyright 1993 Bob Downs, Ranjini Swaminathan and Kurt Bartelmehs
  For reference, see Downs et al. (1993) American Mineralogist 78, 1104-1107.