Lamprophyllite
      Saf'yanov Y N, Vasil'eva N O, Golovachev V P, Kuz'min E A, Belov N V
      Soviet Physics Doklady 28 (1983) 207-209
      The crystal structure of lamprophyllite
      Locality: Kola Peninsula, Russia
      _database_code_amcsd 0015612

      CELL PARAMETERS:   19.4310   7.0860   5.3920   90.000   96.750   90.000
      SPACE GROUP: C2/m      
      X-RAY WAVELENGTH:     1.541838
      Cell Volume:    737.268
      Density (g/cm3):      3.755
      MAX. ABS. INTENSITY / VOLUME**2:      17.50880502    
      RIR:      1.518
      RIR based on corundum from Acta Crystallographica A38 (1982) 733-739
               2-THETA      INTENSITY    D-SPACING   H   K   L   Multiplicity
                 9.17          6.72        9.6482    2   0   0         2
                13.31          1.72        6.6517    1   1   0         4
                18.39          2.40        4.8241    4   0   0         2
                21.72         10.21        4.0909    1   1   1         4
                23.32          3.82        3.8139   -4   0   1         2
                23.90         36.57        3.7232   -3   1   1         4
                25.13          3.79        3.5430    0   2   0         2
                26.10         32.29        3.4142    3   1   1         4
                26.28          6.74        3.3913    4   0   1         2
                26.30         20.98        3.3892    5   1   0         4
                26.81         12.42        3.3258    2   2   0         4
                27.74         45.90        3.2161    6   0   0         2
                29.71         24.62        3.0075   -5   1   1         4
                30.25          2.29        2.9547    0   2   1         4
                30.70          8.56        2.9122   -6   0   1         2
                31.07         10.60        2.8780   -2   2   1         4
                31.32         10.90        2.8556    4   2   0         4
                32.26        100.00        2.7753    2   2   1         4
                32.70         17.47        2.7389    5   1   1         4
                33.47          5.30        2.6773    0   0   2         2
                33.67         35.48        2.6617   -2   0   2         2
                34.17          6.27        2.6242    6   0   1         2
                34.55         34.23        2.5958   -4   2   1         4
                34.92         18.57        2.5691    7   1   0         4
                35.85          2.13        2.5051    2   0   2         2
                36.42          8.60        2.4672   -4   0   2         2
                36.68          3.87        2.4499    4   2   1         4
                37.06          2.47        2.4257   -3   1   2         4
                37.12          4.11        2.4220   -7   1   1         4
                37.78          2.82        2.3813    6   2   0         4
                39.12          4.37        2.3029   -8   0   1         2
                40.04          7.42        2.2516    3   1   2         4
                40.08          1.52        2.2498   -6   2   1         4
                40.41          2.20        2.2323    4   0   2         2
                40.69          3.09        2.2172    3   3   0         4
                40.73          5.10        2.2150   -5   1   2         4
                41.26          5.76        2.1880   -6   0   2         2
                41.84          2.15        2.1590   -1   3   1         4
                42.30          5.05        2.1365    1   3   1         4
                42.31         16.80        2.1360    0   2   2         4
                42.48         12.74        2.1281   -2   2   2         4
                42.89         13.74        2.1088    6   2   1         4
                42.89          3.74        2.1084    8   0   1         2
                43.54          2.85        2.0785   -3   3   1         4
                44.13         10.21        2.0522    9   1   0         4
                44.28          5.92        2.0454    2   2   2         4
                44.76          5.13        2.0247   -4   2   2         4
                45.00         14.73        2.0146    5   3   0         4
                45.28          6.19        2.0027    5   1   2         4
                45.52          1.53        1.9926   -9   1   1         4
                46.22         10.93        1.9643   -7   1   2         4
                46.62          3.47        1.9481    6   0   2         2
                47.06          4.99        1.9309   -8   2   1         4
                47.22          2.69        1.9249   -5   3   1         4
                47.69          1.82        1.9070   -8   0   2         2
                48.21          1.67        1.8875  -10   0   1         2
                49.30          5.03        1.8486    5   3   1         4
                49.31          3.85        1.8480    9   1   1         4
                50.36          3.42        1.8118    8   2   1         4
                50.91          7.39        1.7936    7   3   0         4
                51.59         20.71        1.7715    0   4   0         2
                51.96          5.98        1.7599    7   1   2         4
                52.23          3.98        1.7515    1   3   2         4
                52.51          3.86        1.7427   -3   3   2         4
                52.55          1.17        1.7413   -7   3   1         4
                53.09          2.00        1.7251   -9   1   2         4
                53.69          1.09        1.7071    6   2   2         4
                53.71          2.17        1.7067    1   1   3         4
                54.66          1.60        1.6792   -8   2   2         4
                54.67          5.04        1.6790  -11   1   1         4
                55.24          1.22        1.6629    4   4   0         4
                55.32          4.79        1.6607  -10   0   2         2
                55.67          5.46        1.6511   -5   1   3         4
                55.90          1.17        1.6448   -6   0   3         2
                56.62          3.85        1.6255    3   1   3         4
                57.61          9.30        1.5999   -2   2   3         4
                57.85         13.29        1.5940    0   2   3         4
                58.10          1.87        1.5875    9   3   0         4
                58.74          3.81        1.5718   11   1   1         4
                58.83         11.86        1.5697   10   2   1         4
                59.05          2.55        1.5643    5   3   2         4
                59.58          3.27        1.5517    6   4   0         4
                59.76          1.09        1.5474   -7   1   3         4
                59.83          4.01        1.5458   -7   3   2         4
                60.53          1.23        1.5295    8   2   2         4
                60.82          1.02        1.5229   -8   0   3         2
                61.13          1.19        1.5161    5   1   3         4
                61.24          1.83        1.5135   -6   4   1         4
                62.23          3.89        1.4919   -6   2   3         4
                62.40          1.20        1.4882    6   0   3         2
                62.56          1.73        1.4848   10   0   2         2
                62.91          2.95        1.4774    0   4   2         4
                63.03         12.47        1.4747   -2   4   2         4
                63.34          2.39        1.4683    4   2   3         4
                63.34          1.73        1.4683    6   4   1         4
                64.11         16.59        1.4525  -12   2   1         4
                64.42          1.82        1.4464    2   4   2         4
                64.50          1.31        1.4447  -13   1   1         4
                64.73          7.13        1.4401    7   3   2         4
                64.79          1.11        1.4390   -4   4   2         4
                65.24          1.73        1.4300   -1   3   3         4
                65.72          5.93        1.4209   -9   3   2         4
                66.60          1.22        1.4041   -8   4   1         4
                67.50          1.94        1.3876    4   4   2         4
                68.00          1.31        1.3786   -5   3   3         4
                68.02          4.52        1.3783   14   0   0         2
                68.18          1.66        1.3755   12   2   1         4
                68.85          1.03        1.3636    3   3   3         4
                69.75          1.77        1.3483   -3   5   1         4
                69.78          3.57        1.3477   -2   0   4         2
                70.32          4.53        1.3387    0   0   4         2
                70.74          3.26        1.3318    3   5   1         4
                70.76          1.65        1.3314   11   3   1         4
                70.80          1.61        1.3308   -4   0   4         2
                71.71          1.69        1.3162    9   3   2         4
                71.97          6.09        1.3121   12   0   2         2
                72.17          1.72        1.3089  -11   1   3         4
                72.40          1.19        1.3052    2   0   4         2
                72.52          2.70        1.3035   -5   5   1         4
                72.88          1.73        1.2979   -8   4   2         4
                72.88          1.27        1.2979  -11   3   2         4
                73.34          1.31        1.2909   -6   0   4         2
                73.49          1.71        1.2886  -14   0   2         2
                74.13          1.58        1.2790    5   5   1         4
                74.24          2.16        1.2775    9   1   3         4
                74.75          1.47        1.2700    8   2   3         4
                76.05          2.33        1.2515  -13   3   1         4
                76.71          1.72        1.2423   -3   5   2         4
                78.61          1.44        1.2170    3   5   2         4
                79.03          1.61        1.2116  -10   4   2         4
                79.68          1.59        1.2033    5   1   4         4
                80.16          1.05        1.1973   13   3   1         4
                80.26          1.12        1.1961  -13   1   3         4
                81.27          1.47        1.1838   -9   1   4         4
                81.40          1.47        1.1823    9   5   0         4
                81.50          1.64        1.1810    0   6   0         2
                82.42          1.24        1.1701   10   2   3         4
                82.89          1.32        1.1647   -7   5   2         4
                84.06          2.50        1.1515  -16   0   2         2
                84.94          2.63        1.1417    2   6   1         4
                84.95          1.13        1.1417   16   2   0         4
                85.19          1.84        1.1390    9   5   1         4
                85.29          1.04        1.1380   10   4   2         4
                85.36          1.05        1.1372    7   1   4         4
                86.21          1.95        1.1282   -4   6   1         4
                86.42          1.11        1.1260    3   3   4         4
                87.54          1.60        1.1144   -7   3   4         4
                88.85          3.36        1.1014  -14   2   3         4
                89.41          2.17        1.0959  -11   5   1         4
                89.61          1.02        1.0940  -12   0   4         2
                89.81          2.67        1.0921   16   2   1         4
================================================================================
       XPOW Copyright 1993 Bob Downs, Ranjini Swaminathan and Kurt Bartelmehs
  For reference, see Downs et al. (1993) American Mineralogist 78, 1104-1107.