Chevkinite-(Ce)
      Sokolova E V, Hawthorne F C, Della Ventura G, Kartashov P M
      The Canadian Mineralogist 42 (2004) 1013-1025
      Chevkinite-(Ce): Crystal structure and the effect of moderate radiation-induced
      damage on site-occupancy refinement
      Locality: Mongolia
      Crystal (1)
      _database_code_amcsd 0005956

      CELL PARAMETERS:   13.4319   5.7628  11.0914   90.000  100.629   90.000
      SPACE GROUP: C2/m      
      X-RAY WAVELENGTH:     1.541838
      Cell Volume:    843.803
      Density (g/cm3):      5.069
      MAX. ABS. INTENSITY / VOLUME**2:      21.55290188    
      RIR:      1.384
      RIR based on corundum from Acta Crystallographica A38 (1982) 733-739
               2-THETA      INTENSITY    D-SPACING   H   K   L   Multiplicity
                 8.11         18.76       10.9011    0   0   1         2
                13.41          4.95        6.6007    2   0   0         2
                14.35          1.36        6.1733   -2   0   1         2
                16.26         38.86        5.4505    0   0   2         2
                16.79          1.81        5.2815    1   1   0         4
                16.94          6.14        5.2347    2   0   1         2
                18.12         51.08        4.8969   -1   1   1         4
                19.11          3.05        4.6444   -2   0   2         2
                19.21         65.44        4.6211    1   1   1         4
                22.56          4.40        3.9411   -1   1   2         4
                24.32          1.39        3.6604    1   1   2         4
                24.50         25.34        3.6337    0   0   3         2
                25.47         24.44        3.4974    3   1   0         4
                25.58         37.35        3.4820   -3   1   1         4
                27.91        100.00        3.1967    3   1   1         4
                28.22         79.48        3.1618   -3   1   2         4
                28.78         28.96        3.1024   -1   1   3         4
                28.93         38.32        3.0866   -4   0   2         2
                29.69         42.75        3.0086    4   0   1         2
                30.18          3.81        2.9609    2   0   3         2
                30.88         22.18        2.8955    1   1   3         4
                31.04         64.72        2.8814    0   2   0         2
                32.13         11.22        2.7857    0   2   1         4
                32.38         64.22        2.7651    3   1   2         4
                32.84         84.88        2.7275   -3   1   3         4
                32.86         67.94        2.7253    0   0   4         2
                33.13         18.70        2.7039   -4   0   3         2
                33.95         12.38        2.6408    2   2   0         4
                34.26         12.61        2.6173    4   0   2         2
                34.35          6.56        2.6110   -2   2   1         4
                35.23         37.07        2.5474    0   2   2         4
                35.56          9.03        2.5243    2   2   1         4
                35.95          2.34        2.4981   -1   1   4         4
                36.70          3.18        2.4485   -2   2   2         4
                36.97          2.62        2.4314   -5   1   1         4
                37.47          4.89        2.4003    5   1   0         4
                38.24          8.51        2.3534    3   1   3         4
                38.26          2.63        2.3522    1   1   4         4
                38.78          6.34        2.3222   -4   0   4         2
                38.80          4.73        2.3210   -3   1   4         4
                39.93          7.94        2.2577    0   2   3         4
                40.16         13.48        2.2456    4   0   3         2
                40.29         11.28        2.2383   -6   0   1         2
                41.14          1.28        2.1943   -2   0   5         2
                41.32          4.95        2.1850   -6   0   2         2
                41.42         44.79        2.1800   -4   2   1         4
                41.61         21.16        2.1706    4   2   0         4
                42.94         10.88        2.1063   -4   2   2         4
                43.43          9.00        2.0835    6   0   1         2
                43.49          9.29        2.0810    4   2   1         4
                43.68          1.28        2.0723    5   1   2         4
                43.73          3.13        2.0699   -1   1   5         4
                43.84          3.57        2.0650    2   2   3         4
                44.00          5.77        2.0578   -6   0   3         2
                45.07         17.24        2.0115    3   1   4         4
                45.70         21.36        1.9854   -3   1   5         4
                45.83         46.92        1.9800    0   2   4         4
                46.00          1.56        1.9728   -5   1   4         4
                46.03          3.86        1.9717   -4   2   3         4
                46.06         16.11        1.9705   -2   2   4         4
                46.20          3.23        1.9651    2   0   5         2
                46.20         12.63        1.9648    1   1   5         4
                46.90          3.44        1.9374    4   2   2         4
                48.39          4.04        1.8811   -1   3   1         4
                48.85          7.72        1.8643    1   3   1         4
                49.52          1.56        1.8407   -2   0   6         2
                49.82         13.59        1.8302    2   2   4         4
                50.21          1.61        1.8168    0   0   6         2
                50.47          5.83        1.8081   -4   2   4         4
                50.75         16.73        1.7988   -7   1   2         4
                50.95         15.82        1.7924    7   1   0         4
                51.60          7.93        1.7712    4   2   3         4
                51.71          5.12        1.7676   -6   2   1         4
                51.94          2.73        1.7605    3   3   0         4
                52.00          4.98        1.7585   -3   3   1         4
                52.32          6.69        1.7487    6   2   0         4
                52.41          2.89        1.7457   -2   2   5         4
                52.44          7.02        1.7449    6   0   3         2
                52.57         13.37        1.7410   -6   2   2         4
                52.62          3.38        1.7392    3   1   5         4
                52.64          5.18        1.7386    0   2   5         4
                52.85         13.32        1.7323   -4   0   6         2
                53.30          2.46        1.7186   -3   1   6         4
                53.32         12.57        1.7181    3   3   1         4
                53.43          8.83        1.7149   -6   0   5         2
                53.50          8.09        1.7127   -3   3   2         4
                53.83          3.99        1.7030   -1   3   3         4
                54.34         14.12        1.6884    6   2   1         4
                54.56          8.85        1.6820    4   0   5         2
                54.62          2.97        1.6803    1   1   6         4
                54.70         10.25        1.6780   -8   0   1         2
                54.82         10.17        1.6746   -6   2   3         4
                55.06          6.01        1.6679    5   1   4         4
                55.09          4.86        1.6670   -8   0   2         2
                55.12          3.46        1.6663    1   3   3         4
                56.04          3.15        1.6410   -4   2   5         4
                56.07         12.30        1.6403    3   3   2         4
                56.27         10.62        1.6349   -7   1   4         4
                56.37         13.19        1.6323   -3   3   3         4
                56.81          7.23        1.6205    7   1   2         4
                56.87          1.41        1.6191   -8   0   3         2
                57.39          2.04        1.6056    4   2   4         4
                57.67          3.26        1.5983    6   2   2         4
                58.37          1.26        1.5809   -6   2   4         4
                59.34          5.87        1.5573    0   0   7         2
                59.73          1.28        1.5481   -6   0   6         2
                60.06          1.18        1.5404    3   3   3         4
                60.22          7.41        1.5368    0   2   6         4
                60.46          1.11        1.5312   -3   3   4         4
                60.75          3.54        1.5245   -1   1   7         4
                60.80          6.55        1.5235    3   1   6         4
                60.88          1.12        1.5216   -7   1   5         4
                61.53         12.57        1.5071   -3   1   7         4
                61.66          2.26        1.5043    8   0   2         2
                62.56          3.22        1.4847   -4   2   6         4
                62.76          1.65        1.4804    4   0   6         2
                63.52          1.23        1.4647    1   1   7         4
                64.11          2.77        1.4526    4   2   5         4
                64.19          2.46        1.4508   -8   0   5         2
                64.35          3.72        1.4478    2   2   6         4
                64.70         18.38        1.4407    0   4   0         2
                65.17          4.89        1.4314    3   3   4         4
                65.66          6.23        1.4220   -3   3   5         4
                66.06          2.83        1.4143    1   3   5         4
                66.17          1.40        1.4122   -9   1   3         4
                66.21          3.20        1.4115   -8   2   3         4
                66.40          2.02        1.4079    8   0   3         2
                66.55          3.47        1.4050   -7   1   6         4
                67.21          1.54        1.3929    0   4   2         4
                67.30          3.97        1.3913    8   2   1         4
                67.38          5.83        1.3898    7   1   4         4
                67.78          3.39        1.3825    6   2   4         4
                68.49          1.30        1.3700    0   2   7         4
                68.81          2.71        1.3643   -9   1   4         4
                68.84          7.18        1.3638   -6   2   6         4
                68.91          5.87        1.3626    0   0   8         2
                69.74          5.68        1.3485   -7   3   2         4
                69.90          4.90        1.3458    7   3   0         4
                70.29          1.55        1.3393    0   4   3         4
                70.64          3.34        1.3335    8   2   2         4
                71.29          1.12        1.3228    3   3   5         4
                71.38          1.89        1.3215  -10   0   3         2
                71.46          1.27        1.3201   10   0   0         2
                72.39          4.16        1.3055   -4   4   2         4
                72.78          4.61        1.2994    4   4   1         4
                72.97          1.21        1.2965    1   1   8         4
                73.01          2.27        1.2958   -8   2   5         4
                73.36          2.37        1.2906    5   3   4         4
                73.89          1.46        1.2826   10   0   1         2
                74.35          6.97        1.2759    6   2   5         4
                74.40          4.40        1.2751   -7   3   4         4
                74.50          9.21        1.2737    0   4   4         4
                74.65          2.38        1.2715   -4   4   3         4
                74.87          3.13        1.2683    7   3   2         4
                75.30          1.92        1.2621    4   4   2         4
                75.57          5.64        1.2582   -6   2   7         4
                77.49          3.41        1.2318    0   2   8         4
                78.17          1.29        1.2228   -4   2   8         4
                78.33          1.22        1.2207   -1   3   7         4
                78.37          2.74        1.2201    3   3   6         4
                78.71          1.27        1.2157  -10   2   2         4
                78.74          4.40        1.2153  -10   2   1         4
                78.95          1.96        1.2126    4   4   3         4
                79.03          5.60        1.2116   -3   3   7         4
                79.04          2.48        1.2114   -6   4   1         4
                79.07          3.28        1.2110    3   1   8         4
                79.93          3.80        1.2002   -3   1   9         4
                80.08          4.41        1.1983    4   2   7         4
                80.45          1.35        1.1938  -11   1   2         4
                80.65          2.92        1.1913  -11   1   1         4
                80.77          3.88        1.1899   -7   1   8         4
                81.17          1.68        1.1850    6   4   1         4
                81.40          1.40        1.1822  -11   1   3         4
                81.57          1.29        1.1802   -6   4   3         4
                81.84          2.38        1.1770    7   1   6         4
                83.51          1.09        1.1576  -11   1   4         4
                83.59          1.48        1.1567   -7   3   6         4
                84.21          1.29        1.1498   -8   2   7         4
                84.36          2.72        1.1482    7   3   4         4
                84.52          1.42        1.1463   11   1   1         4
                85.58          3.46        1.1349  -10   2   5         4
                85.69          1.27        1.1336   -9   3   4         4
                85.76          3.98        1.1329   10   2   2         4
                86.72          2.37        1.1228    8   0   6         2
                86.76          1.58        1.1224  -11   1   5         4
                87.23          1.60        1.1176    8   2   5         4
                87.33          1.42        1.1166    0   2   9         4
                87.64          1.79        1.1134  -10   0   7         2
                87.88          2.01        1.1110    6   4   3         4
                87.93          1.12        1.1104   10   0   4         2
                88.21          4.08        1.1077   -4   4   6         4
                88.59          2.03        1.1040    3   5   1         4
                88.67          2.63        1.1031   -6   4   5         4
                88.73          1.86        1.1025   -3   5   2         4
                89.28          2.06        1.0971   -4   0  10         2
                89.33          1.42        1.0967   -7   1   9         4
                89.59          3.18        1.0942    4   4   5         4
                89.70          1.62        1.0931   -8  -4   1         4
================================================================================
       XPOW Copyright 1993 Bob Downs, Ranjini Swaminathan and Kurt Bartelmehs
  For reference, see Downs et al. (1993) American Mineralogist 78, 1104-1107.