Miersite
      Hull S, Keen D A
      Physical Review B59 (1999) 750-761
      Pressure-induced phase transitions in AgCl, AgBr, and AgI
      Sample: P = 11.1 GPa, Phase III
      _database_code_amcsd 0015230

      CELL PARAMETERS:    5.7320   5.7320   5.7320   90.000   90.000   90.000
      SPACE GROUP: Fm3m      
      X-RAY WAVELENGTH:     1.541838
      Cell Volume:    188.330
      Density (g/cm3):      8.279
      MAX. ABS. INTENSITY / VOLUME**2:      334.0541443    
      RIR:     13.138
      RIR based on corundum from Acta Crystallographica A38 (1982) 733-739
               2-THETA      INTENSITY    D-SPACING   H   K   L   Multiplicity
                31.21        100.00        2.8660    2   0   0         6
                44.72         51.41        2.0266    2   2   0        12
                55.54         12.58        1.6547    2   2   2         8
                65.09          4.11        1.4330    4   0   0         6
                73.95          8.04        1.2817    4   2   0        24
                82.43          4.32        1.1700    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.