Monteponite
      Natta G, Passerini L
      Gazzetta Chimica Italiana 59 (1929) 129-143
      Soluzioni solide, isomorfismo e simmorfismo tra gli ossidi dei metalli
      bivalenti. - 1. Sistemi: CaO-CdO, CaO-MnO, CaO-CoO, CaO-NiO, CaO-MgO.
      _cod_database_code 1011096
      _database_code_amcsd 0017991

      CELL PARAMETERS:    4.7250   4.7250   4.7250   90.000   90.000   90.000
      SPACE GROUP: Fm3m      
      X-RAY WAVELENGTH:     1.541838
      Cell Volume:    105.489
      Density (g/cm3):      8.084
      MAX. ABS. INTENSITY / VOLUME**2:      277.2793379    
      RIR:     11.168
      RIR based on corundum from Acta Crystallographica A38 (1982) 733-739
               2-THETA      INTENSITY    D-SPACING   H   K   L   Multiplicity
                32.83        100.00        2.7280    1   1   1         8
                38.09         87.28        2.3625    2   0   0         6
                54.97         51.16        1.6705    2   2   0        12
                65.52         34.25        1.4246    3   1   1        24
                68.83         15.05        1.3640    2   2   2         8
                81.48          6.34        1.1812    4   0   0         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.