Miersite
      Hull S, Keen D A
      Physical Review B59 (1999) 750-761
      Pressure-induced phase transitions in AgCl, AgBr, and AgI
      Sample: P = 3.4 GPa, Phase III
      _database_code_amcsd 0015227

      CELL PARAMETERS:    5.9577   5.9577   5.9577   90.000   90.000   90.000
      SPACE GROUP: Fm3m      
      X-RAY WAVELENGTH:     1.541838
      Cell Volume:    211.464
      Density (g/cm3):      7.373
      MAX. ABS. INTENSITY / VOLUME**2:      292.0234601    
      RIR:     12.896
      RIR based on corundum from Acta Crystallographica A38 (1982) 733-739
               2-THETA      INTENSITY    D-SPACING   H   K   L   Multiplicity
                25.90          1.02        3.4397    1   1   1         8
                30.00        100.00        2.9788    2   0   0         6
                42.94         51.78        2.1064    2   2   0        12
                53.26         12.70        1.7198    2   2   2         8
                62.34          4.13        1.4894    4   0   0         6
                70.72          7.98        1.3322    4   2   0        24
                78.68          4.20        1.2161    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.