Manganese-delta
      Wyckoff R W G
      Crystal Structures 1 (1963) 7-83
      Second edition. Interscience Publishers, New York, New York
      Sample at T = 1240 C, stable till melting point at 1245 C
      _database_code_amcsd 0011270

      CELL PARAMETERS:    3.0930   3.0930   3.0930   90.000   90.000   90.000
      SPACE GROUP: Im3m      
      X-RAY WAVELENGTH:     1.541838
      Cell Volume:     29.590
      Density (g/cm3):      6.165
      MAX. ABS. INTENSITY / VOLUME**2:      223.7840935    
      RIR:     11.819
      RIR based on corundum from Acta Crystallographica A38 (1982) 733-739
               2-THETA      INTENSITY    D-SPACING   H   K   L   Multiplicity
                41.28        100.00        2.1871    1   1   0        12
                59.80         14.05        1.5465    2   0   0         6
                75.26         24.45        1.2627    2   1   1        24
                89.66          7.10        1.0935    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.