Voltaite
      Biagioni C, Mauro D, Pasero M, Bonaccorsi E, Lepore G O, Zaccarini F, Skogby H
      American Mineralogist 105 (2020) 1088-1098
      Crystal-chemistry of sulfates from the Apuan Alps (Tuscany, Italy).
      VI. Tl-bearing alum-(K) and voltaite from the Fornovolasco mining complex
      Locality: Fornovolasco mine, Apuan Alps, Italy
      _database_code_amcsd 0020897

      CELL PARAMETERS:   27.2635  27.2635  27.2635   90.000   90.000   90.000
      SPACE GROUP: Fd3c      
      X-RAY WAVELENGTH:     1.541838
      Cell Volume:  20264.918
      Density (g/cm3):      2.607
      MAX. ABS. INTENSITY / VOLUME**2:      11.08141727    
      RIR:      1.384
      RIR based on corundum from Acta Crystallographica A38 (1982) 733-739
               2-THETA      INTENSITY    D-SPACING   H   K   L   Multiplicity
                 9.17         59.18        9.6391    2   2   0        12
                11.24         10.39        7.8703    2   2   2         8
                12.99         37.16        6.8159    4   0   0         6
                15.93         67.16        5.5651    4   2   2        24
                21.62          7.31        4.1101    6   2   2        24
                22.60          1.56        3.9351    4   4   4         8
                24.43         18.99        3.6432    6   4   2        48
                25.09         73.93        3.5494    7   3   1        48
                26.15        100.00        3.4079    8   0   0         6
                27.77         11.78        3.2130    8   2   2        24
                28.35         24.15        3.1481    7   5   1        48
                28.54          1.27        3.1273    6   6   2        24
                29.30         39.29        3.0482    8   4   0        24
                29.86          4.30        2.9926    7   5   3        48
                30.76          2.13        2.9063    6   6   4        24
                31.30         31.91        2.8580    9   3   1        48
                32.17          7.92        2.7826    8   4   4        24
                34.01         11.50        2.6357    9   5   1        48
                34.18          8.78        2.6234    6   6   6         8
                35.30         11.63        2.5423    9   5   3        48
                35.46          1.49        2.5314    8   6   4        48
                36.09          6.36        2.4888   10   4   2        48
                37.32         11.70        2.4098    8   8   0        12
                37.92          1.57        2.3730    8   8   2        24
                38.95          4.53        2.3125    9   7   3        48
                39.67          1.77        2.2720    8   8   4        24
                39.67         11.50        2.2720   12   0   0         6
                40.10          3.80        2.2487   11   5   1        48
                41.22          4.79        2.1899   11   5   3        48
                41.22          9.10        2.1899    9   7   5        48
                42.46          1.90        2.1289   12   4   2        48
                42.46          2.35        2.1289    8   8   6        24
                43.40         20.46        2.0849   11   7   1        48
                44.06          5.20        2.0551   12   4   4        24
                44.46          1.12        2.0378   13   3   1        48
                44.46          1.18        2.0378   11   7   3        48
                44.59          2.09        2.0321   10   8   4        48
                45.11          5.14        2.0099   12   6   2        48
                46.13          2.21        1.9676    8   8   8         8
                46.64          1.07        1.9474   12   6   4        48
                47.14          2.85        1.9278   14   2   0        24
                47.64          4.22        1.9088   14   2   2        24
                48.13          6.73        1.8904   12   8   0        24
                48.63          3.91        1.8725   12   8   2        48
                50.07          6.43        1.8216   12   8   4        48
                50.43          1.76        1.8095   13   7   3        48
                51.38          7.03        1.7785   15   3   1        48
                52.42          1.20        1.7454   12   8   6        48
                52.89          1.65        1.7312   14   6   4        48
                52.89          1.11        1.7312   12  10   2        48
                53.23          3.80        1.7209   13   9   1        48
                53.23          1.47        1.7209   11   9   7        48
                53.80          1.61        1.7040   16   0   0         6
                54.70          2.89        1.6780   14   8   2        48
                54.70          1.77        1.6780   10  10   8        24
                55.15          5.63        1.6654   14   6   6        24
                55.60          1.33        1.6531   16   4   0        24
                56.48          2.42        1.6293   12  10   6        48
                56.81          1.15        1.6206   15   7   3        48
                57.35          1.57        1.6065   12  12   0        12
                57.35         16.05        1.6065   16   4   4        24
                57.79          3.02        1.5955   12  12   2        24
                58.54          1.58        1.5767   13  11   3        48
                58.54          3.37        1.5767   17   3   1        48
                58.65          3.28        1.5741   14  10   2        48
                59.08          2.35        1.5637   12  12   4        24
                59.50          2.57        1.5535   12  10   8        48
                60.25          1.12        1.5361   13  11   5        48
                60.25          3.89        1.5361   17   5   1        48
                60.25          1.75        1.5361   15   9   3        48
                60.77          1.57        1.5241   16   8   0        24
                61.19          1.80        1.5146   14   8   8        24
                62.02          1.41        1.4963   14  10   6        48
                62.44          2.71        1.4873   16   8   4        48
                62.75          1.62        1.4808   17   7   1        48
                63.26          1.28        1.4699   18   4   2        48
                63.57          2.12        1.4636   15  11   1        48
                64.08          3.79        1.4531   12  12   8        24
                64.49          1.50        1.4450   16   8   6        48
                64.89          1.43        1.4369   18   6   0        24
                65.20          5.23        1.4310   17   7   5        48
                66.50          1.89        1.4060   14  12   6        48
                68.39          2.53        1.3718   15  13   1        48
                68.88          1.49        1.3632   16  12   0        24
                70.44          5.99        1.3367   16  12   4        48
                71.22          1.52        1.3240   18   8   6        48
                74.29          1.19        1.2767   16  10  10        24
                74.57          1.02        1.2726   17  13   1        48
                79.09          1.26        1.2108   19  11   5        48
                79.93          1.01        1.2002   16  14   8        48
                81.05          1.32        1.1865   16  16   4        24
                82.06          1.44        1.1743   19  13   3        48
                82.53          1.49        1.1689   16  12  12        24
                82.53          1.66        1.1689   20  12   0        24
                88.41          4.15        1.1057   24   4   4        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.