Lovozerite
      Yamnova N A, Egorov-Tismenko Y K, Pekov I V
      Crystallography Reports 46 (2001) 937-941
      Refined crystal structure of lovozerite Na2CaZr[Si6O12(OH,O)6]*H2O
      Locality: Kola Peninsula, Russia
      _database_code_amcsd 0012374

      CELL PARAMETERS:   10.1800  10.1800  13.1300   90.000   90.000  120.000
      SPACE GROUP: R3        
      X-RAY WAVELENGTH:     1.541838
      Cell Volume:   1178.395
      Density (g/cm3):      2.580
      MAX. ABS. INTENSITY / VOLUME**2:      11.29718953    
      RIR:      1.426
      RIR based on corundum from Acta Crystallographica A38 (1982) 733-739
               2-THETA      INTENSITY    D-SPACING   H   K   L   Multiplicity
                12.09         22.95        7.3193    1   0   1         3
                16.84         93.68        5.2655    0   1   2         3
                17.42          1.69        5.0900    1   1   0         3
                20.29          5.60        4.3767    0   0   3         1
                21.26         19.28        4.1789    0   2   1         3
                24.32         26.08        3.6596    2   0   2         3
                26.87         34.99        3.3186    1   1   3         3
                26.87         35.67        3.3186    2  -1   3         3
                27.62         50.74        3.2298    2   1   1         3
                27.62         49.26        3.2298    3  -1   1         3
                29.03          1.33        3.0762    1   0   4         3
                30.07         14.11        2.9713   -1   3   2         3
                30.07         15.43        2.9713    1   2   2         3
                34.05         53.29        2.6327    0   2   4         3
                35.27         45.50        2.5450    2   2   0         3
                36.84          1.91        2.4398    0   3   3         3
                36.84          2.76        2.4398    3   0   3         3
                37.41          2.42        2.4038   -1   4   1         3
                39.96          8.02        2.2560    2   0   5         3
                41.25          1.77        2.1883    0   0   6         1
                43.30          7.71        2.0894    0   4   2         3
                43.90          3.97        2.0625   -1   3   5         3
                43.90          4.37        2.0625    1   2   5         3
                46.30          2.40        1.9609   -1   4   4         3
                46.30          2.24        1.9609    1   3   4         3
                47.01          2.93        1.9329   -2   5   2         3
                47.01          3.46        1.9329    2   3   2         3
                49.69          2.23        1.8346    1   0   7         3
                49.83         27.06        1.8298    4   0   4         3
                51.92          5.20        1.7612   -1   5   3         3
                51.92          5.74        1.7612    1   4   3         3
                52.11          3.58        1.7552    0   3   6         3
                52.35          6.92        1.7475    0   5   1         3
                53.06          1.76        1.7260    0   2   7         3
                53.84          2.09        1.7029    5   0   2         3
                54.05          3.85        1.6967    3   3   0         3
                54.34          3.00        1.6882    0   4   5         3
                56.28          4.13        1.6345    3  -1   7         3
                56.28          4.14        1.6345    2   1   7         3
                57.52          2.09        1.6024   -2   5   5         3
                57.52          2.26        1.6024    2   3   5         3
                58.33          3.00        1.5820    6  -3   3         3
                58.33          2.92        1.5820    3   3   3         3
                58.73          1.51        1.5720    6  -1   1         3
                58.73          1.69        1.5720    5   1   1         3
                60.16          4.42        1.5381    2   0   8         3
                62.52          3.48        1.4857   -2   6   4         3
                62.52          3.85        1.4857    2   4   4         3
                63.29          2.79        1.4694    6   0   0         3
                63.80          1.32        1.4589    0   0   9         1
                64.49          1.50        1.4449    4   1   6         3
                64.49          1.54        1.4449    5  -1   6         3
                64.71          2.31        1.4406    4   3   1         3
                64.71          2.35        1.4406    7  -3   1         3
                68.19          2.61        1.3753    5  -2   7         3
                68.19          2.57        1.3753    3   2   7         3
                70.03          3.41        1.3435    7  -2   3         3
                70.03          3.39        1.3435    5   2   3         3
                71.70          2.98        1.3164    0   4   8         3
                74.58          3.24        1.2725    4   4   0         3
                75.05          1.20        1.2657    4  -2   9         3
                75.05          1.15        1.2657    2   2   9         3
                80.21          1.01        1.1967    7  -1   5         3
================================================================================
       XPOW Copyright 1993 Bob Downs, Ranjini Swaminathan and Kurt Bartelmehs
  For reference, see Downs et al. (1993) American Mineralogist 78, 1104-1107.