Miersite
      Hull S, Keen D A
      Physical Review B59 (1999) 750-761
      Pressure-induced phase transitions in AgCl, AgBr, and AgI
      Sample: P = 8.9 GPa, Phase III
      _database_code_amcsd 0015229

      CELL PARAMETERS:    5.7894   5.7894   5.7894   90.000   90.000   90.000
      SPACE GROUP: Fm3m      
      X-RAY WAVELENGTH:     1.541838
      Cell Volume:    194.044
      Density (g/cm3):      8.035
      MAX. ABS. INTENSITY / VOLUME**2:      329.1887492    
      RIR:     13.340
      RIR based on corundum from Acta Crystallographica A38 (1982) 733-739
               2-THETA      INTENSITY    D-SPACING   H   K   L   Multiplicity
                26.67          1.29        3.3425    1   1   1         8
                30.89        100.00        2.8947    2   0   0         6
                44.25         52.62        2.0469    2   2   0        12
                52.42          1.16        1.7456    3   1   1        24
                54.94         13.19        1.6713    2   2   2         8
                64.37          4.41        1.4474    4   0   0         6
                73.10          8.83        1.2945    4   2   0        24
                81.44          4.85        1.1818    4   2   2        24
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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.