Tsaregorodtsevite
      Sokolova E V, Rybakov V B, Pautov L A
      Soviet Physics Doklady 36 (1991) 267-269
      The crystal structure of a new natural tetramethylammonium aluminosilicate
      [N(CH3)4][Si2(Si0.5Al0.5)O6]2
      Note: H atoms not located
      Locality: Northern Ural Mountains, Mankhambo region, Russia
      _database_code_amcsd 0020490

      CELL PARAMETERS:    8.9840   8.9370   8.9270   90.000   90.000   90.000
      SPACE GROUP: I222      
      X-RAY WAVELENGTH:     1.541838
      Cell Volume:    716.749
      Density (g/cm3):      1.953
      MAX. ABS. INTENSITY / VOLUME**2:      5.975844410    
      RIR:      0.997
      RIR based on corundum from Acta Crystallographica A38 (1982) 733-739
               2-THETA      INTENSITY    D-SPACING   H   K   L   Multiplicity
                13.98         63.34        6.3360    1   1   0         4
                13.99         61.80        6.3324    1   0   1         4
                14.02         53.40        6.3159    0   1   1         4
                19.76         42.70        4.4920    2   0   0         2
                19.87         36.27        4.4685    0   2   0         2
                19.89         36.09        4.4635    0   0   2         2
                24.32         98.12        3.6606    2   1   1         4
                24.38        100.00        3.6510    1   2   1         4
                24.39         99.25        3.6490    1   1   2         4
                28.17          9.30        3.1680    2   2   0         4
                28.18          9.83        3.1662    2   0   2         4
                28.26         13.26        3.1579    0   2   2         4
                31.51          5.77        2.8395    3   1   0         4
                31.51          5.57        2.8392    3   0   1         4
                31.64          6.24        2.8276    1   3   0         4
                31.66          5.45        2.8258    0   3   1         4
                31.68          6.06        2.8248    1   0   3         4
                31.69          5.65        2.8233    0   1   3         4
                34.72         45.60        2.5834    2   2   2         4
                37.53          1.21        2.3964    3   2   1         4
                37.54          1.27        2.3958    3   1   2         4
                37.60          1.01        2.3919    2   3   1         4
                37.63          1.08        2.3904    2   1   3         4
                37.66          1.17        2.3886    1   3   2         4
                37.67          1.29        2.3877    1   2   3         4
                40.15          5.80        2.2460    4   0   0         2
                40.37          6.10        2.2343    0   4   0         2
                40.42          6.34        2.2318    0   0   4         2
                42.82          5.39        2.1120    3   3   0         4
                42.84          5.26        2.1108    3   0   3         4
                42.96          4.89        2.1053    0   3   3         4
                47.63          7.08        1.9091    3   3   2         4
                47.65          6.63        1.9086    3   2   3         4
                47.71          5.87        1.9063    2   3   3         4
                51.91          1.87        1.7616    5   1   0         4
                51.91          1.91        1.7615    5   0   1         4
                52.01          4.88        1.7583    4   3   1         4
                52.03          4.92        1.7577    4   1   3         4
                52.09          4.78        1.7558    3   4   1         4
                52.13          4.79        1.7546    3   1   4         4
                52.18          1.78        1.7530    1   5   0         4
                52.19          1.89        1.7526    0   5   1         4
                52.20          5.06        1.7524    1   4   3         4
                52.22          5.11        1.7518    1   3   4         4
                52.24          1.79        1.7512    1   0   5         4
                52.25          1.77        1.7508    0   1   5         4
                56.12          2.00        1.6387    5   2   1         4
                56.13          1.95        1.6386    5   1   2         4
                56.35          2.04        1.6327    2   5   1         4
                56.39          2.08        1.6317    1   5   2         4
                56.40          2.14        1.6313    2   1   5         4
                56.44          2.10        1.6304    1   2   5         4
                58.25          3.59        1.5840    4   4   0         4
                58.28          3.46        1.5831    4   0   4         4
                58.45          3.58        1.5790    0   4   4         4
                60.25          1.68        1.5360    4   3   3         4
                60.32          1.40        1.5343    3   4   3         4
                60.34          1.26        1.5340    3   3   4         4
                61.98          2.29        1.4973    6   0   0         2
                62.19          4.77        1.4928    4   4   2         4
                62.21          4.70        1.4922    4   2   4         4
                62.33          4.64        1.4896    2   4   4         4
                62.34          2.37        1.4895    0   6   0         2
                62.42          2.41        1.4878    0   0   6         2
                64.01          1.31        1.4546    5   3   2         4
                64.02          1.32        1.4544    5   2   3         4
                64.23          1.22        1.4502    2   5   3         4
                64.26          1.10        1.4495    2   3   5         4
                69.47          6.81        1.3530    6   2   2         4
                69.78          6.61        1.3478    2   6   2         4
                69.84          6.51        1.3467    2   2   6         4
                73.29         13.37        1.2917    4   4   4         4
                78.23          1.48        1.2219    7   2   1         4
                78.24          1.51        1.2219    7   1   2         4
                78.37          2.62        1.2202    6   3   3         4
                78.61          2.84        1.2170    3   6   3         4
                78.64          1.30        1.2166    2   7   1         4
                78.66          2.88        1.2163    3   3   6         4
                78.67          1.60        1.2162    1   7   2         4
                78.73          1.32        1.2154    2   1   7         4
                78.76          1.53        1.2151    1   2   7         4
                86.70          1.65        1.1230    8   0   0         2
                87.27          1.57        1.1171    0   8   0         2
                87.40          1.58        1.1159    0   0   8         2
================================================================================
       XPOW Copyright 1993 Bob Downs, Ranjini Swaminathan and Kurt Bartelmehs
  For reference, see Downs et al. (1993) American Mineralogist 78, 1104-1107.