Natisite
      Egorov-Tismenko Y K, Simonov M A, Belov N V
      Doklady Akademii Nauk SSSR 240 (1978) 78-80
      The refinement of the crystal structure of the synthetic sodium titanosilicate
      Na2(TiO)[SiO4]
      Note: B11(Na) corrected
      _database_code_amcsd 0012461

      CELL PARAMETERS:    6.4850   6.4850   5.0987   90.000   90.000   90.000
      SPACE GROUP: P4/nmm    
      X-RAY WAVELENGTH:     1.541838
      Cell Volume:    214.427
      Density (g/cm3):      3.127
      MAX. ABS. INTENSITY / VOLUME**2:      27.03022078    
      RIR:      2.815
      RIR based on corundum from Acta Crystallographica A38 (1982) 733-739
               2-THETA      INTENSITY    D-SPACING   H   K   L   Multiplicity
                17.39         25.23        5.0987    0   0   1         2
                19.36          3.71        4.5856    1   1   0         4
                22.18         12.37        4.0082    1   0   1         8
                27.51         14.65        3.2425    2   0   0         4
                32.73        100.00        2.7361    2   0   1         8
                35.20          3.33        2.5494    0   0   2         2
                35.61         10.44        2.5209    2   1   1        16
                37.92         14.20        2.3726    1   0   2         8
                39.30         14.59        2.2928    2   2   0         4
                44.16          6.57        2.0507    3   1   0         8
                45.58          7.02        1.9902    3   0   1         8
                47.81          1.48        1.9026    3   1   1        16
                53.77         23.52        1.7048    2   2   2         8
                55.75          7.24        1.6487    3   0   2         8
                55.93          3.39        1.6440    1   0   3         8
                56.78         19.09        1.6213    4   0   0         4
                59.86          1.86        1.5450    4   0   1         8
                60.58          2.47        1.5285    3   3   0         4
                61.61          7.63        1.5053    2   0   3         8
                63.28          2.11        1.4697    3   2   2        16
                63.44          7.27        1.4663    2   1   3        16
                64.23          1.01        1.4501    4   2   0         8
                67.11         17.04        1.3948    4   2   1        16
                68.60          2.99        1.3680    4   0   2         8
                68.75          1.54        1.3654    2   2   3         8
                70.33          1.96        1.3386    4   1   2        16
                70.48          1.05        1.3361    3   0   3         8
                75.66          1.06        1.2570    4   3   1        16
                77.23          2.77        1.2353    3   2   3        16
                82.70          3.33        1.1669    2   1   4        16
                83.65          2.34        1.1560    4   3   2        16
                83.80          1.99        1.1544    4   1   3        16
                84.52          3.82        1.1464    4   4   0         4
                87.57          2.03        1.1141    2   2   4         8
                88.67          5.82        1.1031    4   2   3        16
================================================================================
       XPOW Copyright 1993 Bob Downs, Ranjini Swaminathan and Kurt Bartelmehs
  For reference, see Downs et al. (1993) American Mineralogist 78, 1104-1107.