Agrellite
      Rozhdestvenskaya I V, Nikishova L V
      Crystallography Reports 43 (1998) 589-597
      Crystal structure of Na(Ca,Sr)2Si4O10F strontium agrellite from
      Yakutian charoitites: agrellite polytypes
      Locality: Sirenevyi Kamen deposit, Murunskii massif, Yakutia, Russia
      _database_code_amcsd 0019049

      CELL PARAMETERS:    7.7880  18.9410   6.9950   90.170  116.780   94.160
      SPACE GROUP: P-1       
      X-RAY WAVELENGTH:     1.541838
      Cell Volume:    918.013
      Density (g/cm3):      2.881
      MAX. ABS. INTENSITY / VOLUME**2:      2.689939558    
      RIR:      0.304
      RIR based on corundum from Acta Crystallographica A38 (1982) 733-739
               2-THETA      INTENSITY    D-SPACING   H   K   L   Multiplicity
                 4.68          5.93       18.8759    0   1   0         2
                 9.37         28.14        9.4380    0   2   0         2
                12.78          5.11        6.9288    1   0   0         2
                13.24         26.45        6.6859   -1   1   0         2
                13.98          1.63        6.3370    1   1   0         2
                14.08          2.68        6.2920    0   3   0         2
                14.17         13.84        6.2493   -1   0   1         2
                14.77          2.81        5.9964    0  -1   1         2
                15.13         13.03        5.8550    0   1   1         2
                16.49          9.53        5.3770    1   2   0         2
                17.29          4.33        5.1297   -1  -2   1         2
                18.80         14.16        4.7190    0   4   0         2
                20.37          1.39        4.3593   -1  -3   1         2
                20.44          1.23        4.3444    0   3   1         2
                23.09         67.76        3.8512    1   0   1         2
                23.17          1.49        3.8385    0  -4   1         2
                23.22         48.87        3.8308   -2   1   1         2
                23.24          1.39        3.8269    1  -1   1         2
                23.57          1.59        3.7752    0   5   0         2
                23.67          2.31        3.7583    1   4   0         2
                23.85         51.68        3.7308   -2  -1   1         2
                24.33          2.10        3.6586   -2   2   1         2
                24.34          6.97        3.6574    1  -2   1         2
                25.59         14.75        3.4807    1   2   1         2
                25.71         47.50        3.4644    2   0   0         2
                25.76          5.41        3.4587   -2   1   0         2
                25.89          1.97        3.4409   -1  -1   2         2
                25.92          2.15        3.4370   -1   1   2         2
                25.93         61.66        3.4367   -1   5   0         2
                26.27          3.91        3.3924   -2   3   1         2
                26.54          3.90        3.3585    2   1   0         2
                26.67         48.75        3.3430   -2   2   0         2
                27.11          1.73        3.2889    0  -5   1         2
                27.16          1.22        3.2829   -1  -2   2         2
                27.83         92.14        3.2055    1   5   0         2
                27.93          1.07        3.1944   -2  -3   1         2
                28.11         11.32        3.1742    0   5   1         2
                28.16        100.00        3.1685    2   2   0         2
                28.36          3.89        3.1468   -2   3   0         2
                28.37         71.14        3.1460    0   6   0         2
                28.57         32.00        3.1247   -2   0   2         2
                28.61         24.29        3.1199    0   0   2         2
                28.87         34.23        3.0928    1  -4   1         2
                29.17         68.60        3.0610   -1  -3   2         2
                29.25         83.30        3.0529   -1   3   2         2
                29.80         47.59        2.9982    0  -2   2         2
                29.81         49.18        2.9974   -2   2   2         2
                30.44         22.21        2.9362   -2  -2   2         2
                30.47          1.82        2.9339    2   3   0         2
                30.54         22.64        2.9275    0   2   2         2
                30.73          2.96        2.9099   -2   4   0         2
                30.99          6.11        2.8854    1   4   1         2
                32.00          1.29        2.7966    1  -5   1         2
                32.03         36.97        2.7940   -2   5   1         2
                32.21          4.21        2.7793    1   6   0         2
                32.30         18.31        2.7718   -1  -6   1         2
                32.43          1.07        2.7608   -2  -3   2         2
                33.33          5.89        2.6885    2   4   0         2
                33.63          5.89        2.6647   -2   5   0         2
                33.80         73.07        2.6518    0  -4   2         2
                33.86         69.71        2.6477   -2   4   2         2
                34.34          7.23        2.6117   -2  -5   1         2
                34.68         39.86        2.5863   -1   7   0         2
                34.76          1.17        2.5810   -3   1   1         2
                34.92         12.40        2.5697   -1  -5   2         2
                34.98         30.18        2.5648   -2  -4   2         2
                35.03         11.05        2.5617   -1   5   2         2
                35.11         29.21        2.5559    0   4   2         2
                35.55         19.34        2.5255    1  -6   1         2
                36.47          3.79        2.4637   -3   0   2         2
                36.51         11.69        2.4609   -3   1   2         2
                36.54          3.15        2.4590    1   0   2         2
                36.56         12.50        2.4576    1  -1   2         2
                36.63          1.79        2.4534    2   5   0         2
                36.66          1.36        2.4511    2  -3   1         2
                36.75          2.18        2.4455    1   7   0         2
                36.84          9.31        2.4400    0   7   1         2
                36.97          8.01        2.4313   -2   6   0         2
                37.07          3.14        2.4254   -3  -1   2         2
                37.16          2.64        2.4196    1   1   2         2
                37.22          1.04        2.4157    1  -2   2         2
                38.01          2.51        2.3673   -2  -5   2         2
                38.14          6.77        2.3595    0   8   0         2
                38.15          1.97        2.3590    0   5   2         2
                38.20          3.67        2.3562    1   6   1         2
                38.28          2.76        2.3515   -3  -2   2         2
                38.39          3.05        2.3449    1   2   2         2
                38.43          1.62        2.3426   -1  -6   2         2
                38.48          1.08        2.3395   -3   3   2         2
                38.49          1.95        2.3391    1  -3   2         2
                38.50          5.42        2.3385   -3   4   1         2
                38.81          2.12        2.3205    2   3   1         2
                38.89         30.87        2.3157   -3   1   0         2
                39.17          1.56        2.3000   -2   0   3         2
                39.46          8.64        2.2836   -2   7   1         2
                39.71         12.14        2.2700    3   1   0         2
                39.87         12.13        2.2610    0  -6   2         2
                39.96          9.91        2.2563   -2   6   2         2
                40.05          7.45        2.2512   -3  -3   2         2
                40.18          4.77        2.2444    1   3   2         2
                40.22          2.61        2.2420   -1  -2   3         2
                40.55          2.14        2.2248   -1   2   3         2
                40.85          3.99        2.2090    2  -5   1         2
                41.15          5.25        2.1937   -3  -4   1         2
                41.37          4.39        2.1826   -1  -8   1         2
                41.67          1.00        2.1677   -2   3   3         2
                41.97          1.71        2.1528   -2  -3   3         2
                42.16          2.26        2.1434   -2  -7   1         2
                42.26         18.56        2.1388   -1  -7   2         2
                42.34          2.99        2.1349   -3  -4   2         2
                42.39         19.91        2.1323   -1   7   2         2
                42.48          3.48        2.1282    1   4   2         2
                42.64          6.78        2.1204    1  -5   2         2
                42.67          7.19        2.1189   -3   5   2         2
                42.81          8.41        2.1123    3   3   0         2
                43.44          1.70        2.0831   -3   0   3         2
                43.54          1.75        2.0785    1  -8   1         2
                43.99          3.71        2.0584    0   1   3         2
                44.06          8.45        2.0551   -1   9   0         2
                44.09          3.15        2.0540    2   5   1         2
                44.25         19.97        2.0470   -3   5   0         2
                44.64          3.56        2.0299   -2   8   0         2
                44.88          3.58        2.0195   -3  -2   3         2
                45.05          1.58        2.0125    0  -9   1         2
                45.07          9.21        2.0117   -3  -5   2         2
                45.11          1.71        2.0098    3   4   0         2
                45.22          9.91        2.0053    1   5   2         2
                46.21          2.92        1.9644    0   9   1         2
                46.53          1.01        1.9517    0   3   3         2
                47.03          2.36        1.9322   -4   1   2         2
                47.10          3.04        1.9295    2  -1   2         2
                47.11         21.25        1.9290   -4   0   2         2
                47.20         18.48        1.9256    2   0   2         2
                47.24          2.50        1.9239   -3  -6   1         2
                47.37          1.18        1.9192    0  -8   2         2
                47.47          5.30        1.9154   -4   2   2         2
                47.48          1.05        1.9150   -2   8   2         2
                47.52          6.88        1.9134    2  -2   2         2
                47.58          1.49        1.9113   -4   1   1         2
                47.71          1.99        1.9060   -4  -1   2         2
                47.82          2.49        1.9021    2   1   2         2
                47.84         11.08        1.9014    3   5   0         2
                47.98          1.45        1.8961    3  -2   1         2
                48.21         14.69        1.8876    0  10   0         2
                48.35          1.49        1.8825    1   6   2         2
                48.41          3.21        1.8801   -4   3   2         2
                48.44          4.69        1.8792    2   8   0         2
                48.45          4.43        1.8789    2  -3   2         2
                48.56          1.80        1.8747    1  -7   2         2
                48.63          1.22        1.8724   -3   7   2         2
                48.95          2.41        1.8607   -1  10   0         2
                49.19          8.02        1.8524   -2  -8   2         2
                49.35          7.41        1.8467    0   8   2         2
                49.81          1.65        1.8306   -3   7   0         2
                49.85         11.07        1.8293   -4   4   2         2
                49.87          9.12        1.8287    2  -4   2         2
                49.99          1.75        1.8245   -1  10   1         2
                50.54          1.12        1.8059    2   3   2         2
                50.68          6.55        1.8012   -1  -9   2         2
                50.83          8.32        1.7962   -1   9   2         2
                50.91          3.75        1.7937    2   7   1         2
                50.97          1.95        1.7917    0   5   3         2
                51.13          8.35        1.7865   -4   1   3         2
                51.25          9.62        1.7826    1   0   3         2
                51.65          1.34        1.7696    1  -2   3         2
                51.65         12.91        1.7696   -3  -7   2         2
                51.65          5.52        1.7695   -4  -1   3         2
                51.74          1.41        1.7667   -4   5   2         2
                51.74          2.02        1.7667    2  -5   2         2
                51.82         13.03        1.7642    1   7   2         2
                52.02          1.21        1.7580   -4   5   1         2
                52.32         74.03        1.7487   -2   0   4         2
                52.44          4.63        1.7449   -4  -4   2         2
                52.46          1.19        1.7444    1 -10   1         2
                52.59          4.99        1.7404    2   4   2         2
                52.85         10.82        1.7322    4   0   0         2
                52.95          1.00        1.7294   -4   2   0         2
                53.15          1.59        1.7233   -3   8   0         2
                53.24          2.05        1.7204   -2  -2   4         2
                53.31          1.30        1.7185   -2   2   4         2
                53.60          4.78        1.7099   -3  -6   3         2
                53.71          2.15        1.7066   -4   3   0         2
                53.97          1.53        1.6991    1  -4   3         2
                54.05         14.68        1.6967    2  -6   2         2
                54.06         16.47        1.6962   -4   6   2         2
                54.27          2.49        1.6902    3  -6   1         2
                54.40          8.95        1.6865    3   7   0         2
                54.64          1.25        1.6798    0  -7   3         2
                54.66          2.05        1.6793    4   2   0         2
                54.69          1.63        1.6784   -3  -8   1         2
                55.81          2.46        1.6471   -4   5   3         2
                55.86          7.37        1.6460    1  -9   2         2
                55.94          6.79        1.6436   -3   9   2         2
                56.16          1.22        1.6379    0  11   1         2
                56.29          5.13        1.6344    1  11   0         2
                56.60          1.11        1.6262   -4   5   0         2
                56.93          1.66        1.6176   -4   7   1         2
                56.99          5.58        1.6159    0   7   3         2
                57.50          2.21        1.6027    2  10   0         2
                57.72          1.90        1.5972   -4  -6   2         2
                57.89          1.70        1.5930    2   6   2         2
                58.04          1.08        1.5893    1  -6   3         2
                58.04          1.38        1.5891   -3   8   3         2
                58.66          1.37        1.5737    3   6   1         2
                58.68          2.19        1.5734   -4   6   0         2
                58.69          2.30        1.5730    0  12   0         2
                59.13          5.14        1.5623   -4   0   4         2
                59.23          4.12        1.5599    0   0   4         2
                59.24          3.50        1.5598   -1  -5   4         2
                59.34          3.55        1.5574   -3   5   4         2
                59.48          7.81        1.5541   -3  -9   2         2
                59.65          3.48        1.5500   -4   2   4         2
                59.66          6.11        1.5498    1   9   2         2
                59.69          2.46        1.5491    0  -2   4         2
                59.81          1.03        1.5464    2  -8   2         2
                59.85          1.22        1.5453   -4   8   2         2
                59.97          6.56        1.5425   -1 -11   2         2
                60.14          5.90        1.5387   -1  11   2         2
                60.19          2.71        1.5374   -3  -5   4         2
                60.27          3.36        1.5355   -3  -8   3         2
                60.39          2.55        1.5329   -1   5   4         2
                60.39          5.32        1.5328   -4  -2   4         2
                60.49          1.93        1.5305   -2  -6   4         2
                60.55          6.37        1.5292    0   2   4         2
                60.67          1.85        1.5265   -2   6   4         2
                61.26          1.82        1.5131   -1 -12   1         2
                61.38          1.19        1.5105   -5   0   3         2
                61.48          1.41        1.5081    4  -1   1         2
                61.66          1.56        1.5043   -5   0   1         2
                61.78          1.85        1.5016   -4  -7   1         2
                62.15          1.01        1.4937    1 -12   1         2
                62.63          3.09        1.4832   -5  -3   2         2
                62.77          3.85        1.4803    3   3   2         2
                62.83          7.79        1.4791   -2  12   0         2
                63.03          1.89        1.4749   -5   5   2         2
                63.05          2.09        1.4744    3  -5   2         2
                63.51          1.73        1.4649   -5   4   3         2
                63.98          1.62        1.4552   -4  -7   3         2
                63.99          5.66        1.4549   -4   8   0         2
                64.23          3.33        1.4502   -1  -7   4         2
                64.27          1.94        1.4493    1 -11   2         2
                64.38          3.90        1.4471   -3   7   4         2
                64.38          2.11        1.4471   -3  11   2         2
                64.41          8.69        1.4464   -4  -8   2         2
                64.47         21.27        1.4453   -1  13   0         2
                64.60          9.22        1.4427    2   8   2         2
                64.87          1.74        1.4373    4  -5   1         2
                64.97          7.85        1.4355   -3  11   0         2
                64.99          1.00        1.4350   -5   6   2         2
                65.00          1.11        1.4348    3  -6   2         2
                65.11          3.14        1.4326    2  -5   3         2
                65.42          1.94        1.4267    3   8   1         2
                66.74          2.25        1.4016   -5   6   1         2
                66.76          1.32        1.4011   -5  -5   2         2
                66.92          1.18        1.3983    2 -10   2         2
                66.93          1.15        1.3981    3   5   2         2
                66.99          1.01        1.3970   -4  10   2         2
                67.01          5.77        1.3966   -5   1   4         2
                67.07          2.16        1.3954   -5   6   3         2
                67.12          5.15        1.3945    1  -1   4         2
                67.33          1.74        1.3907    3  -7   2         2
                67.34          1.94        1.3906   -5   7   2         2
                67.34          1.27        1.3905   -3  12   1         2
                67.34          1.32        1.3905   -5   1   0         2
                67.39         12.98        1.3896    2  12   0         2
                67.61          2.13        1.3857    1   8   3         2
                68.50          1.90        1.3698    2   5   3         2
                69.17          1.10        1.3582   -4  -9   1         2
                69.35          1.04        1.3550    5   2   0         2
                69.71          1.83        1.3489   -5  -3   4         2
                69.75          4.00        1.3483    0  14   0         2
                69.93          2.08        1.3452    1   3   4         2
                69.99          1.88        1.3443    4   8   0         2
                70.09          2.83        1.3425   -1 -13   2         2
                70.27          2.60        1.3395   -1  13   2         2
                70.35          2.91        1.3383   -4   1   5         2
                70.35          3.09        1.3382   -1   0   5         2
                70.41          5.10        1.3372   -5   5   0         2
                70.59          1.73        1.3343   -4  -1   5         2
                70.64          1.35        1.3335   -1  -9   4         2
                70.83          2.58        1.3303   -5  -6   3         2
                70.84          1.02        1.3302   -3   9   4         2
                70.87          4.94        1.3296   -5   5   4         2
                70.87          5.10        1.3296    1  -5   4         2
                72.36          1.60        1.3059   -4 -10   2         2
                72.57          1.57        1.3027    2  10   2         2
                72.69          1.50        1.3008    5   4   0         2
                72.85          1.13        1.2984    0  11   3         2
                72.96          3.86        1.2967   -1  -4   5         2
                73.09          2.93        1.2947    3  -9   2         2
                73.12          2.97        1.2942   -5   9   2         2
                73.37          1.52        1.2905   -6   2   2         2
                73.45          1.29        1.2892    4  -2   2         2
                73.46          3.66        1.2891   -5  -5   4         2
                73.72          3.08        1.2851    1   5   4         2
                73.74          2.46        1.2848   -2 -10   4         2
                74.00          1.29        1.2810    2   7   3         2
                74.01          1.91        1.2808   -2  10   4         2
                74.68          3.42        1.2710   -4   5   5         2
                74.70          1.34        1.2706   -3  -6   5         2
                74.87          4.73        1.2683   -6   4   2         2
                74.93          5.32        1.2675    4  -4   2         2
                75.13          1.25        1.2645   -6  -2   2         2
                75.27          1.38        1.2625    4   2   2         2
                76.62          1.70        1.2436   -1  -6   5         2
                77.25          2.44        1.2350   -3 -12   3         2
                77.34          1.00        1.2338   -2  13   3         2
                77.49          2.06        1.2318   -6   0   4         2
                77.55          1.82        1.2310   -2   7   5         2
                77.66          2.52        1.2295    2   0   4         2
                78.18          1.16        1.2227   -2 -14   2         2
                78.30          1.69        1.2210   -3 -13   2         2
                78.38          1.08        1.2200    0  14   2         2
                78.45          1.11        1.2191    3  -6   3         2
                78.48          1.56        1.2187   -5   4   5         2
                78.52          1.78        1.2182    1  13   2         2
                79.60          1.10        1.2044    3   9   2         2
                80.00          1.25        1.1993    0  -5   5         2
                80.11          1.02        1.1980   -5  -4   5         2
                80.24          1.25        1.1963   -3  -8   5         2
                80.51          5.39        1.1931    5   7   0         2
                80.56          1.20        1.1924   -6   7   3         2
                82.53          1.57        1.1688    0  13   3         2
                83.76          1.90        1.1548    6   0   0         2
                83.87          1.09        1.1535   -2   9   5         2
                83.93          1.70        1.1529   -6   3   0         2
                84.82          2.07        1.1431    2 -14   2         2
                84.93          2.25        1.1418   -4  14   2         2
                85.99          1.02        1.1305    0 -12   4         2
                86.55          1.15        1.1246   -5  11   0         2
                87.06          1.83        1.1193    4  12   0         2
                87.13          1.38        1.1186    2  -8   4         2
                87.15          3.97        1.1184    0 -16   2         2
                87.33          4.34        1.1165   -2  16   2         2
                87.43          4.25        1.1156   -1 -13   4         2
                87.55          4.16        1.1143   -6   6   0         2
                87.72          4.79        1.1126   -3  13   4         2
                87.90          1.60        1.1108   -1  17   0         2
                87.95          2.70        1.1103    1 -11   4         2
                88.00          1.59        1.1098    3  11   2         2
                88.10          2.43        1.1088   -5  11   4         2
                88.90          1.19        1.1009    6   4   0         2
                89.89          2.70        1.0913   -2 -16   2         2
================================================================================
       XPOW Copyright 1993 Bob Downs, Ranjini Swaminathan and Kurt Bartelmehs
  For reference, see Downs et al. (1993) American Mineralogist 78, 1104-1107.