Helvine
      Kudoh Y, Takeuchi Y
      Zeitschrift fur Kristallographie 173 (1985) 305-312
      The effect of pressure on helvite Mn8S2[Be6Si6O24]
      Locality: Schwarzenberg, Saxony
      Sample: P = 36 kbar
      _database_code_amcsd 0010954

      CELL PARAMETERS:    8.2140   8.2140   8.2140   90.000   90.000   90.000
      SPACE GROUP: P-43n     
      X-RAY WAVELENGTH:     1.541838
      Cell Volume:    554.197
      Density (g/cm3):      3.326
      MAX. ABS. INTENSITY / VOLUME**2:      45.42468974    
      RIR:      4.447
      RIR based on corundum from Acta Crystallographica A38 (1982) 733-739
               2-THETA      INTENSITY    D-SPACING   H   K   L   Multiplicity
                21.64          2.61        4.1070    2   0   0         6
                24.23          7.98        3.6734    2   1   0        24
                26.58        100.00        3.3534    2   1   1        12
                30.79          2.74        2.9041    2   2   0        12
                34.53         14.26        2.5975    3   1   0        24
                37.95          4.61        2.3712    2   2   2         4
                39.56          2.33        2.2782    3   2   0        24
                41.12         17.72        2.1953    3   2   1        24
                44.10          2.29        2.0535    4   0   0         6
                46.93         20.24        1.9361    3   3   0        12
                46.93         25.37        1.9361    4   1   1        12
                49.63          5.17        1.8367    4   2   0        24
                50.95          2.28        1.7924    4   2   1        24
                52.24          1.25        1.7512    3   3   2        12
                54.75          8.18        1.6767    4   2   2        12
                57.18          2.48        1.6109    5   1   0        24
                60.72          1.31        1.5253    4   3   2        24
                61.87          4.63        1.4997    5   2   1        24
                64.14          7.45        1.4520    4   4   0        12
                66.36          2.82        1.4087    4   3   3        12
                66.36          5.04        1.4087    5   3   0        24
                68.54          5.50        1.3690    4   4   2        12
                68.54          3.18        1.3690    6   0   0         6
                70.70          6.01        1.3325    5   3   2        24
                72.82          1.45        1.2987    6   2   0        24
                74.93          8.24        1.2674    5   4   1        24
                77.01          1.10        1.2383    6   2   2        12
                81.12          1.04        1.1856    4   4   4         4
                87.21          3.93        1.1178    6   3   3        12
                87.21          2.84        1.1178    7   2   1        24
================================================================================
       XPOW Copyright 1993 Bob Downs, Ranjini Swaminathan and Kurt Bartelmehs
  For reference, see Downs et al. (1993) American Mineralogist 78, 1104-1107.