Heyrovskyite
      Pinto D, Balic-Zunic T, Garavelli A, Vurro F
      American Mineralogist 96 (2011) 1120-1128
      Structure refinement of Ag-free heyrovskyite from Vulcano (Aeolian Islands, Italy)
      Locality: La Fossa crater, Vulcano (Aeolian Islands, Italy)
      _database_code_amcsd 0018391

      CELL PARAMETERS:   13.7498  31.5053   4.1475   90.000   90.000   90.000
      SPACE GROUP: Bbmm      
      X-RAY WAVELENGTH:     1.541838
      Cell Volume:   1796.662
      Density (g/cm3):      7.220
      MAX. ABS. INTENSITY / VOLUME**2:      148.6138098    
      RIR:      6.702
      RIR based on corundum from Acta Crystallographica A38 (1982) 733-739
               2-THETA      INTENSITY    D-SPACING   H   K   L   Multiplicity
                 5.61          4.50       15.7527    0   2   0         2
                11.23          1.38        7.8763    0   4   0         2
                19.11          2.67        4.6452    2   5   0         4
                22.57          4.45        3.9396    1   1   1         8
                23.10          1.43        3.8503    1   2   1         8
                23.63         32.31        3.7656    2   7   0         4
                23.96          6.55        3.7142    1   3   1         8
                25.12         45.17        3.5457    1   4   1         8
                25.92          8.03        3.4374    4   0   0         2
                26.08         72.46        3.4172    2   8   0         4
                26.08         27.54        3.4172    4   1   0         4
                26.53         47.14        3.3594    1   5   1         8
                26.54         12.12        3.3584    4   2   0         4
                27.30          2.08        3.2669    4   3   0         4
                28.18          5.20        3.1672    1   6   1         8
                28.62         19.45        3.1195    2   9   0         4
                29.04          5.20        3.0753    3   0   1         4
                29.60         31.54        3.0183    3   2   1         8
                30.01          1.03        2.9776    1   7   1         8
                30.28         67.78        2.9513    3   3   1         8
                31.22         41.51        2.8647    3   4   1         8
                31.23         19.22        2.8641    2  10   0         4
                33.78          4.12        2.6537    3   6   1         8
                33.91          2.22        2.6439    2  11   0         4
                34.15          1.07        2.6259    1   9   1         8
                37.09          1.13        2.4238    3   8   1         8
                38.77          4.83        2.3229    1  11   1         8
                40.07          1.51        2.2504    0  14   0         2
                40.28          1.61        2.2392    5   3   1         8
                41.22         31.59        2.1900    1  12   1         8
                41.95          8.95        2.1539    5   5   1         8
                41.95          1.83        2.1536    6   5   0         4
                43.06         26.63        2.1006    5   6   1         8
                43.07         14.66        2.1003    6   6   0         4
                43.16          1.36        2.0959    3  11   1         8
                43.65         24.75        2.0738    0   0   2         2
                43.76         16.46        2.0686    1  13   1         8
                44.35         15.23        2.0424    5   7   1         8
                44.36         10.40        2.0422    6   7   0         4
                46.10          7.60        1.9691    0  16   0         2
                47.41          1.40        1.9175    5   9   1         8
                47.42          1.60        1.9173    6   9   0         4
                47.78          9.99        1.9035    3  13   1         8
                48.34          1.28        1.8828    4  14   0         4
                49.16          4.07        1.8534    5  10   1         8
                49.16          2.35        1.8532    6  10   0         4
                50.22          7.09        1.8165    2   7   2         8
                50.24          7.40        1.8161    3  14   1         8
                50.95          8.55        1.7923    4  15   0         4
                51.04          7.21        1.7895    5  11   1         8
                51.04          2.38        1.7894    6  11   0         4
                51.46          2.34        1.7757    4   0   2         4
                51.48          1.46        1.7752    7   0   1         4
                51.55         19.78        1.7728    2   8   2         8
                51.55          7.45        1.7728    4   1   2         8
                51.56          6.24        1.7724    7   1   1         8
                51.81          3.49        1.7645    4   2   2         8
                51.83          4.25        1.7641    7   2   1         8
                52.26          1.96        1.7504    7   3   1         8
                52.27          1.70        1.7503    0  18   0         2
                53.03          5.15        1.7270    2   9   2         8
                53.04          2.50        1.7266    5  12   1         8
                53.64          3.50        1.7086    4  16   0         4
                53.64          3.93        1.7086    8   2   0         4
                54.07          5.00        1.6962    8   3   0         4
                54.64          6.81        1.6797    2  10   2         8
                54.66          2.14        1.6792    8   4   0         4
                56.39          1.03        1.6317    2  11   2         8
                59.24          2.72        1.5597    4  18   0         4
                62.14          1.01        1.4938    6   5   2         8
                62.15          3.25        1.4935    4  19   0         4
                62.99          7.61        1.4757    6   6   2         8
                63.54          1.40        1.4643    1  20   1         8
                63.77          2.75        1.4595    3  19   1         8
                63.99          5.82        1.4551    6   7   2         8
                65.35          4.42        1.4279    0  16   2         4
                66.64          4.56        1.4034    1  21   1         8
                66.71          3.80        1.4020    3  20   1         8
                66.72          1.33        1.4020    8  13   0         4
                67.16          1.35        1.3938    7  14   1         8
                67.82          1.44        1.3818    6  10   2         8
                68.72          2.58        1.3660    9   7   1         8
                68.72          1.82        1.3659    8  14   0         4
                69.29          5.53        1.3560    4  15   2         8
                69.31          5.00        1.3558    7  15   1         8
                69.35          1.84        1.3551    1   4   3         8
                69.37          1.67        1.3547    6  11   2         8
                69.82          1.83        1.3471    1  22   1         8
                69.82          5.05        1.3471    9   8   1         8
                70.01          2.30        1.3439    1   5   3         8
                70.04          1.43        1.3434   10   5   0         4
                70.39          1.30        1.3376    0  18   2         4
                71.06          1.71        1.3267    9   9   1         8
                71.53          1.81        1.3189    3   2   3         8
                71.55          2.58        1.3187    4  16   2         8
                71.55          2.71        1.3187    8   2   2         8
                71.56          1.80        1.3185    7  16   1         8
                71.90          3.64        1.3132    3   3   3         8
                71.91          3.48        1.3129    8   3   2         8
                72.40          2.58        1.3053    3   4   3         8
                72.42          1.65        1.3050    8   4   2         8
                72.43          3.37        1.3049    9  10   1         8
                73.44          1.26        1.2894    2  24   0         4
                76.41          2.18        1.2465    4  18   2         8
                76.42          2.27        1.2464    7  18   1         8
                78.50          3.20        1.2185    1  12   3         8
                78.53          1.38        1.2180   10  12   0         4
                78.81          1.23        1.2145    5  22   1         8
                79.01          2.87        1.2119    4  19   2         8
                79.02          3.47        1.2118    7  19   1         8
                79.76          2.92        1.2024    5   6   3         8
                80.20          5.36        1.1968   11   0   1         4
                80.24          2.09        1.1963    1  13   3         8
                80.48          2.18        1.1933    2  26   0         4
                80.66          2.03        1.1911    5   7   3         8
                81.94          1.04        1.1758    5  23   1         8
                83.16          1.31        1.1616    3  13   3         8
                83.17          1.19        1.1614    8  13   2         8
                85.02          1.23        1.1409    3  14   3         8
                85.04          1.72        1.1407    8  14   2         8
                85.64          1.15        1.1342    5  11   3         8
                86.05          1.04        1.1298    7   1   3         8
                86.28          1.36        1.1275   10   5   2         8
                89.50          1.32        1.0950    2  24   2         8
================================================================================
       XPOW Copyright 1993 Bob Downs, Ranjini Swaminathan and Kurt Bartelmehs
  For reference, see Downs et al. (1993) American Mineralogist 78, 1104-1107.