Tychite
      Schmidt G R, Reynard J, Yang H, Downs R T
      Acta Crystallographica E62 (2006) i207-i209
      Tychite, Na6Mg2(SO4)(CO3)4: Structure analysis and Raman spectroscopic data
      Locality: Searles Lake, Trona, San Bernardino County, California, USA
      _database_code_amcsd 0010470

      CELL PARAMETERS:   13.9038  13.9038  13.9038   90.000   90.000   90.000
      SPACE GROUP: Fd3       
      X-RAY WAVELENGTH:     1.541838
      Cell Volume:   2687.822
      Density (g/cm3):      2.583
      MAX. ABS. INTENSITY / VOLUME**2:      11.56671292    
      RIR:      1.458
      RIR based on corundum from Acta Crystallographica A38 (1982) 733-739
               2-THETA      INTENSITY    D-SPACING   H   K   L   Multiplicity
                11.02          3.45        8.0274    1   1   1         8
                18.05          8.49        4.9157    2   2   0        12
                21.19         59.51        4.1922    3   1   1        24
                22.15          1.18        4.0137    2   2   2         8
                27.97         18.42        3.1898    3   3   1        24
                31.52          2.41        2.8381    4   2   2        24
                33.49         29.92        2.6758    3   3   3         8
                33.49         70.08        2.6758    5   1   1        24
                36.56         50.67        2.4579    4   4   0        12
                38.30          9.14        2.3502    5   3   1        24
                38.30          4.42        2.3502    5   1   3        24
                38.86          3.41        2.3173    4   4   2        24
                41.06          5.11        2.1984    6   0   2        12
                41.06          2.11        2.1984    6   2   0        12
                43.16          3.03        2.0961    6   2   2        24
                45.18         19.94        2.0068    4   4   4         8
                46.65         15.68        1.9469    7   1   1        24
                46.65          4.43        1.9469    5   5   1        24
                49.03          4.65        1.8580    6   4   2        24
                49.03          1.04        1.8580    6   2   4        24
                50.41          2.93        1.8101    5   5   3        24
                52.66         11.02        1.7380    8   0   0         6
                53.98          4.82        1.6986    7   3   3        24
                54.42          2.26        1.6861    6   4   4        24
                56.13          2.69        1.6386    6   6   0        12
                56.13          6.69        1.6386    8   2   2        24
                57.39         11.50        1.6055    7   1   5        24
                57.39         10.34        1.6055    5   5   5         8
                57.81         10.33        1.5949    6   6   2        24
                61.08          2.73        1.5170    8   2   4        24
                63.87          4.65        1.4575    9   3   1        24
                65.81          7.47        1.4191    8   4   4        24
                66.97          2.00        1.3974    7   7   1        24
                70.00          8.34        1.3441    9   5   1        24
                70.00          1.47        1.3441    9   1   5        24
                72.97          2.70        1.2965    9   3   5        24
                74.80          1.13        1.2692   10   2   4        24
                75.89          1.05        1.2537    7   7   5        24
                77.70          5.52        1.2289    8   8   0        12
                80.57          2.00        1.1922   10   0   6        12
                81.64          1.32        1.1793    9   3   7        24
                84.48          1.02        1.1468   11   5   1        24
                86.25          3.88        1.1277   10   6   4        24
                86.25          1.06        1.1277   10   4   6        24
                87.31          1.31        1.1168    9   5   7        24
                89.07          1.55        1.0992   12   4   0        12
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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.