Tadzhikite-(Ce)
      Chernitsova N M, Pudovkina Z V, Pyatenko Y A
      Soviet Physics Doklady 27 (1982) 367-368
      About the crystal structure of tadzhikite {(Ca,Tr)4(Y,Tr)2(Ti,Fe,Al)(O,OH)2
      [Si4B4O22]}
      _database_code_amcsd 0015611

      CELL PARAMETERS:   18.9460   4.7140  10.3020   90.000  111.580   90.000
      SPACE GROUP: P2/a      
      X-RAY WAVELENGTH:     1.541838
      Cell Volume:    855.593
      Density (g/cm3):      3.979
      MAX. ABS. INTENSITY / VOLUME**2:      9.666147233    
      RIR:      0.791
      RIR based on corundum from Acta Crystallographica A38 (1982) 733-739
               2-THETA      INTENSITY    D-SPACING   H   K   L   Multiplicity
                 9.23         59.53        9.5799    0   0   1         2
                10.04         95.59        8.8090    2   0   0         2
                15.98         52.38        5.5470    2   0   1         2
                17.52          7.15        5.0612   -2   0   2         2
                18.82         72.19        4.7140    0   1   0         2
                18.83         13.92        4.7135   -4   0   1         2
                20.16         10.05        4.4045    4   0   0         2
                20.79          1.84        4.2733   -1   1   1         4
                21.00          7.89        4.2297    0   1   1         4
                21.38         75.48        4.1563    2   1   0         4
                21.82          6.75        4.0735   -4   0   2         2
                22.40          1.02        3.9691    1   1   1         4
                23.85          3.71        3.7315   -3   1   1         4
                24.20          2.68        3.6784    2   0   2         2
                24.79         17.33        3.5921    2   1   1         4
                25.17         26.21        3.5382    4   0   1         2
                25.83         77.34        3.4495   -2   1   2         4
                25.95         30.11        3.4339   -2   0   3         2
                26.53          2.68        3.3598    0   1   2         4
                26.75          3.10        3.3331   -4   1   1         4
                26.96          1.65        3.3071   -3   1   2         4
                27.72         97.25        3.2183    4   1   0         4
                27.83         32.12        3.2056   -4   0   3         2
                27.94         25.28        3.1933    0   0   3         2
                28.30          1.65        3.1540    1   1   2         4
                28.32         19.31        3.1508   -6   0   1         2
                28.97        100.00        3.0822   -4   1   2         4
                29.25          7.85        3.0533   -6   0   2         2
                30.44          1.79        2.9363    6   0   0         2
                30.83         80.35        2.9000    2   1   2         4
                31.62         96.22        2.8298    4   1   1         4
                31.70          2.92        2.8223    5   1   0         4
                32.25          6.17        2.7756   -2   1   3         4
                32.28          2.01        2.7735    4   0   2         2
                32.98          3.52        2.7156   -6   0   3         2
                33.17          9.56        2.7007    2   0   3         2
                33.81         88.19        2.6508   -4   1   3         4
                33.91         88.77        2.6438    0   1   3         4
                33.99          1.09        2.6377    3   1   2         4
                34.23         82.41        2.6196   -6   1   1         4
                35.01          1.06        2.5627   -6   1   2         4
                35.03         12.63        2.5619   -2   0   4         2
                35.10          1.89        2.5563    6   0   1         2
                36.04          4.59        2.4924    6   1   0         4
                37.55         21.22        2.3950    0   0   4         2
                37.63          7.91        2.3905    4   1   2         4
                38.18         17.75        2.3570    0   2   0         2
                38.19         20.01        2.3568   -8   0   2         2
                38.25          5.04        2.3531   -6   1   3         4
                38.41          5.47        2.3434    2   1   3         4
                38.43         10.57        2.3426   -8   0   1         2
                38.81         13.50        2.3204   -6   0   4         2
                39.25          9.57        2.2956   -1   2   1         4
                39.37          4.94        2.2887    0   2   1         4
                39.58          7.46        2.2769    2   2   0         4
                39.92         18.09        2.2586   -3   1   4         4
                40.06          1.00        2.2510   -2   1   4         4
                40.13          1.57        2.2472    6   1   1         4
                40.17          1.67        2.2446    1   2   1         4
                40.64         18.48        2.2202    7   1   0         4
                41.27          4.24        2.1874    3   2   0         4
                41.31         13.07        2.1853   -7   1   3         4
                41.51         14.98        2.1755    3   1   3         4
                41.57         24.56        2.1725    6   0   2         2
                41.63          7.40        2.1693    2   2   1         4
                41.66          4.17        2.1682   -5   1   4         4
                42.20          3.04        2.1413   -1   2   2         4
                42.30          2.97        2.1367   -2   2   2         4
                42.33         14.87        2.1352    0   1   4         4
                42.90          9.40        2.1080   -8   1   2         4
                43.12         12.21        2.0979   -8   1   1         4
                43.47          5.40        2.0819   -6   1   4         4
                43.55          2.81        2.0781    4   2   0         4
                44.07          1.07        2.0550   -4   0   5         2
                44.41          9.76        2.0401   -4   2   2         4
                44.48          1.72        2.0367   -8   0   4         2
                44.79          2.59        2.0233    7   1   1         4
                45.46          1.86        1.9953    8   1   0         4
                45.72          2.69        1.9845    2   2   2         4
                46.00         17.72        1.9731    6   1   2         4
                46.07          4.54        1.9701   -6   0   5         2
                46.28         26.90        1.9616    4   2   1         4
                46.35          2.03        1.9591    5   2   0         4
                46.75          2.91        1.9433   -2   2   3         4
                46.96          3.93        1.9349    2   1   4         4
                47.90         36.44        1.8989   -4   2   3         4
                47.97         33.81        1.8964    0   2   3         4
                48.03          1.23        1.8941    3   2   2         4
                48.22         36.34        1.8874   -6   2   1         4
                48.31          1.87        1.8838   -4   1   5         4
                48.70          2.99        1.8697   -8   1   4         4
                48.73          1.88        1.8687   -9   1   3         4
                48.81          5.76        1.8658   -6   2   2         4
                48.97          1.11        1.8602    5   1   3         4
                49.01          8.70        1.8586  -10   0   1         2
                49.01          5.37        1.8586  -10   0   3         2
                49.28          5.23        1.8490    6   0   3         2
                49.56          7.21        1.8392    4   0   4         2
                49.85          2.71        1.8293   -1   1   5         4
                50.19          6.63        1.8178   -6   1   5         4
                50.33         12.87        1.8129   -8   0   5         2
                50.84          4.33        1.7960    4   2   2         4
                51.33          3.47        1.7800   -6   2   3         4
                51.46          6.74        1.7758    2   2   3         4
                51.67         16.78        1.7691    8   0   2         2
                51.90         11.42        1.7618   10   0   0         2
                51.90         13.38        1.7618  -10   0   4         2
                51.95          1.68        1.7603   -7   1   5         4
                52.48         10.27        1.7437    2   0   5         2
                52.78          6.82        1.7346   -2   2   4         4
                52.96          6.62        1.7291  -10   1   1         4
                52.96          2.85        1.7291  -10   1   3         4
                53.21          1.80        1.7213    6   1   3         4
                53.36         17.47        1.7170   -4   0   6         2
                53.48         15.52        1.7134    4   1   4         4
                54.21          8.89        1.6921   -8   1   5         4
                54.51          1.36        1.6835   -2   0   6         2
                54.63         15.52        1.6799    0   2   4         4
                55.11         16.12        1.6666   -8   2   2         4
                55.29         10.44        1.6615   -8   2   1         4
                55.48          7.14        1.6563    8   1   2         4
                55.58         13.96        1.6536   -6   2   4         4
                55.70         19.62        1.6503   10   1   0         4
                55.70         25.83        1.6503  -10   1   4         4
                56.25          9.82        1.6354    2   1   5         4
                56.34          1.00        1.6330    1   2   4         4
                56.90          1.35        1.6181    4   2   3         4
                57.09         30.63        1.6133   -4   1   6         4
                57.25          1.18        1.6092    8   2   0         4
                57.50          5.69        1.6028   -8   0   6         2
                57.57          2.29        1.6009   -7   2   4         4
                57.71         24.60        1.5975    6   2   2         4
                57.74          5.79        1.5966    0   0   6         2
                58.07          3.90        1.5884   -6   1   6         4
                58.19          6.25        1.5854   -2   1   6         4
                58.59          3.84        1.5754  -12   0   2         2
                58.76          8.16        1.5713    0   3   0         2
                59.25          3.20        1.5596    4   0   5         2
                59.63          1.17        1.5506    0   3   1         4
                59.70          1.18        1.5490   -4   2   5         4
                60.03          2.02        1.5411   -8   2   4         4
                60.08          1.14        1.5400   10   1   1         4
                60.15          2.88        1.5384  -12   0   1         2
                60.66          3.62        1.5266  -12   0   4         2
                61.32          2.06        1.5118    2   3   1         4
                61.33          2.16        1.5116   -6   2   5         4
                61.82          3.23        1.5007   -2   3   2         4
                62.39          1.14        1.4883   -3   3   2         4
                62.75          7.04        1.4807    4   1   5         4
                62.79          4.49        1.4800    4   3   0         4
                63.09          1.07        1.4736    1   3   2         4
                63.45          5.57        1.4660   -4   3   2         4
                63.62          4.21        1.4625  -12   1   1         4
                63.77          4.60        1.4594  -10   2   1         4
                64.00          2.31        1.4548    6   2   3         4
                64.12          9.21        1.4524  -12   1   4         4
                64.48          4.21        1.4450    2   3   2         4
                64.89          3.90        1.4370   -8   2   5         4
                64.93          6.60        1.4361    4   3   1         4
                64.98          1.77        1.4351    5   3   0         4
                65.30          2.45        1.4288   -2   3   3         4
                65.40          1.02        1.4270    9   2   1         4
                65.91          4.37        1.4172   10   1   2         4
                66.03          6.15        1.4149    8   2   2         4
                66.23          1.46        1.4111   10   2   0         4
                66.23          2.45        1.4111  -10   2   4         4
                66.24          9.82        1.4109   -4   3   3         4
                66.29          9.34        1.4099    0   3   3         4
                66.34          1.46        1.4090    3   3   2         4
                66.49          7.88        1.4062   -6   3   1         4
                66.73          5.24        1.4018    2   2   5         4
                67.48          2.01        1.3879    6   0   5         2
                67.49          3.45        1.3878   -4   2   6         4
                67.50          1.10        1.3876    1   3   3         4
                68.07          1.15        1.3773   12   0   1         2
                68.34          1.19        1.3726   -2   1   7         4
                68.49          1.42        1.3699   -2   2   6         4
                68.57          1.32        1.3686    0   0   7         2
                68.65          2.17        1.3672    4   3   2         4
                69.06          1.33        1.3601   -6   3   3         4
                69.17          1.04        1.3582    2   3   3         4
                69.49          1.08        1.3527  -14   0   3         2
                70.59          1.69        1.3342  -14   0   4         2
                70.77          3.45        1.3314    6   1   5         4
                70.83          1.92        1.3304    8   1   4         4
                71.13          3.75        1.3254   -8   2   6         4
                71.28          1.69        1.3230    3   3   3         4
                71.34          1.93        1.3221   12   1   1         4
                71.35          3.82        1.3219    0   2   6         4
                71.83          6.01        1.3143    0   1   7         4
                72.11          2.42        1.3098  -12   2   2         4
                72.42          1.11        1.3050   -8   3   1         4
                72.54          1.05        1.3031    8   2   3         4
                72.70          1.99        1.3006    4   2   5         4
                72.73          6.50        1.3003  -14   1   3         4
                73.05          6.58        1.2953   10   1   3         4
                73.05          7.80        1.2953  -10   1   7         4
                73.19          2.32        1.2931  -14   1   2         4
                73.51          1.25        1.2883  -12   2   1         4
                73.63          3.18        1.2866   -6   0   8         2
                73.89          1.12        1.2827    2   0   7         2
                73.98          1.12        1.2813  -12   2   4         4
                75.07          1.62        1.2653   -8   0   8         2
                75.20          1.16        1.2636  -14   1   1         4
                75.25          1.93        1.2628    2   3   4         4
                75.56          3.70        1.2584   14   0   0         2
                76.19          1.61        1.2495   -2   0   8         2
                76.58          1.40        1.2441   -8   3   4         4
                77.06          1.41        1.2376    8   0   5         2
                77.39          4.00        1.2331  -14   0   6         2
                77.74          1.51        1.2285   -6   3   5         4
                77.91          4.70        1.2261    6   0   6         2
                77.96          1.30        1.2255   -2   2   7         4
                78.72          1.34        1.2156  -12   1   7         4
                79.95          3.78        1.2000  -10   3   1         4
                79.95          2.25        1.2000  -10   3   3         4
                80.16          1.60        1.1974    6   3   3         4
                80.19          1.67        1.1970    8   1   5         4
                80.27          1.17        1.1960    6   2   5         4
                80.37          2.78        1.1947    4   3   4         4
                80.51          1.70        1.1930  -14   1   6         4
                80.56          3.68        1.1924   14   0   1         2
                80.97          4.13        1.1874   -8   3   5         4
                81.03          1.74        1.1867    6   1   6         4
                81.29          6.39        1.1835    0   2   7         4
                81.42          3.65        1.1819   10   1   4         4
                81.43          1.21        1.1819  -10   1   8         4
                81.71          5.59        1.1785    0   4   0         2
                82.02          2.99        1.1748    8   3   2         4
                82.16          5.97        1.1732  -14   2   3         4
                82.20          4.73        1.1727   10   3   0         4
                82.20          5.62        1.1727  -10   3   4         4
                82.47          5.94        1.1696   10   2   3         4
                82.47          7.30        1.1696  -10   2   7         4
                82.60          1.39        1.1681    2   4   0         4
                82.60          3.07        1.1680  -14   2   2         4
                82.66          4.38        1.1673    2   3   5         4
                83.20          1.43        1.1611  -14   2   4         4
                83.37          8.05        1.1592   -4   3   6         4
                83.66          3.38        1.1560   14   1   1         4
                84.31          1.13        1.1487   -2   3   6         4
                84.72          1.03        1.1441   12   1   3         4
                85.40          1.07        1.1367  -16  -1   2         4
                86.04          2.35        1.1299  -14   1   7         4
                86.10          2.02        1.1293   -6   2   8         4
                86.36          4.08        1.1266  -12   1   8         4
                87.18          1.84        1.1181    4   4   1         4
                87.50          2.15        1.1148   -8   2   8         4
                87.51          1.08        1.1147   -2   4   3         4
                87.97          2.11        1.1101   14   2   0         4
                87.99          1.48        1.1099  -12   2   7         4
                88.29          2.24        1.1069    4   3   5         4
                88.37          2.15        1.1061   -4   4   3         4
                88.42          2.09        1.1056    0   4   3         4
                88.58          1.78        1.1040   -2   2   8         4
                88.60          1.21        1.1038   -6   4   1         4
                88.89          4.92        1.1010    2   1   8         4
                89.06          1.14        1.0993  -12  -3   1         4
                89.43          1.93        1.0957    8   2   5         4
                89.51          1.31        1.0950  -12  -3   4         4
                89.75          4.50        1.0926  -14   2   6         4
================================================================================
       XPOW Copyright 1993 Bob Downs, Ranjini Swaminathan and Kurt Bartelmehs
  For reference, see Downs et al. (1993) American Mineralogist 78, 1104-1107.