Feldspar
      Tribaudino M, Benna P, Bruno E
      American Mineralogist 83 (1998) 159-166
      Structural variations induced by thermal treatment in lead feldspar (PbAl2Si2O8)
      Sample: PbF_L64h, split Pb site
      _database_code_amcsd 0001958

      CELL PARAMETERS:    8.4050  13.0630  14.3440   90.000  115.290   90.000
      SPACE GROUP: I2/c      
      X-RAY WAVELENGTH:     1.541838
      Cell Volume:   1423.950
      Density (g/cm3):      4.154
      MAX. ABS. INTENSITY / VOLUME**2:      31.51574093    
      RIR:      2.470
      RIR based on corundum from Acta Crystallographica A38 (1982) 733-739
               2-THETA      INTENSITY    D-SPACING   H   K   L   Multiplicity
                13.48          1.31        6.5687    1   1   0         4
                13.56         98.42        6.5315    0   2   0         2
                13.66         32.82        6.4846    0   0   2         2
                15.25         72.37        5.8105   -1   1   2         4
                17.29          1.31        5.1277   -1   2   1         4
                19.29         43.09        4.6018    0   2   2         4
                21.47          2.82        4.1392   -2   0   2         2
                22.55         22.36        3.9438    1   1   2         4
                23.41         31.67        3.7997    2   0   0         2
                23.55         20.26        3.7781    1   3   0         4
                24.62         40.36        3.6155   -1   3   2         4
                25.48         43.94        3.4962   -2   2   2         4
                25.76         89.01        3.4581   -1   1   4         4
                27.15        100.00        3.2844    2   2   0         4
                27.31          2.37        3.2657    0   4   0         2
                27.50         14.55        3.2438   -2   0   4         2
                27.51         24.23        3.2423    0   0   4         2
                29.79         58.69        2.9991    1   3   2         4
                30.65         25.67        2.9167    0   4   2         4
                31.98          1.50        2.7982    2   0   2         2
                32.34         47.64        2.7681   -1   3   4         4
                32.72          6.43        2.7372   -3   1   2         4
                34.88          6.51        2.5721    2   2   2         4
                35.00         37.34        2.5638   -2   4   2         4
                35.08         28.13        2.5582   -3   1   4         4
                35.10         26.45        2.5568    1   1   4         4
                36.12          7.89        2.4868    3   1   0         4
                36.27          8.52        2.4767    2   4   0         4
                37.10         15.70        2.4235   -1   5   2         4
                38.10          4.78        2.3619   -2   0   6         2
                38.22          9.86        2.3547   -3   3   2         4
                38.75          7.74        2.3237   -1   1   6         4
                40.30         14.52        2.2379   -3   3   4         4
                40.32         11.08        2.2369    1   3   4         4
                40.62         10.81        2.2211   -2   2   6         4
                40.85         17.58        2.2090    1   5   2         4
                41.23          1.26        2.1896    3   3   0         4
                41.48         15.18        2.1772    0   6   0         2
                41.79          2.90        2.1615    0   0   6         2
                42.36          4.26        2.1335   -3   1   6         4
                42.55          6.53        2.1249    2   4   2         4
                42.83         10.42        2.1116   -1   5   4         4
                43.54          7.35        2.0785   -4   0   2         2
                43.60          3.77        2.0758   -1   3   6         4
                43.74          2.06        2.0696   -4   0   4         2
                43.77          2.67        2.0684    2   0   4         2
                43.87          6.74        2.0639    0   6   2         4
                44.13          7.04        2.0521    0   2   6         4
                44.13         13.30        2.0520    3   1   2         4
                45.81          8.52        1.9806   -4   2   2         4
                46.00          5.36        1.9729   -4   2   4         4
                46.03          7.83        1.9719    2   2   4         4
                46.91          6.18        1.9368   -3   3   6         4
                47.17          5.53        1.9269   -2   6   2         4
                47.51          3.59        1.9138   -2   4   6         4
                47.61          3.41        1.9100   -3   5   2         4
                47.88          9.01        1.8999    4   0   0         2
                48.17          1.74        1.8890    2   6   0         4
                48.43          5.35        1.8797   -4   0   6         2
                48.55          9.45        1.8752    3   3   2         4
                48.99          3.56        1.8595    1   1   6         4
                49.37          7.92        1.8460   -3   5   4         4
                49.38          7.04        1.8455    1   5   4         4
                50.00          1.76        1.8243    4   2   0         4
                50.16          1.60        1.8186    3   5   0         4
                50.49          1.26        1.8077   -2   6   4         4
                50.49          3.00        1.8075    0   6   4         4
                50.53          1.65        1.8064   -4   2   6         4
                50.64         10.84        1.8025    0   4   6         4
                50.92          2.19        1.7934   -1   7   2         4
                50.93         14.42        1.7930   -2   0   8         2
                52.16          9.38        1.7535   -4   4   2         4
                52.96          4.39        1.7290   -2   2   8         4
                53.90          1.50        1.7011    1   7   2         4
                55.13          5.85        1.6659   -3   5   6         4
                55.14          3.87        1.6655   -5   1   4         4
                55.17          3.16        1.6647    3   1   4         4
                55.51          4.97        1.6554   -1   7   4         4
                56.00          1.96        1.6422    4   4   0         4
                56.34          3.94        1.6329    0   8   0         2
                56.60          7.58        1.6262    3   5   2         4
                56.76          1.66        1.6219   -4   0   8         2
                56.85          1.31        1.6197   -1   3   8         4
                57.58          1.73        1.6008   -2   6   6         4
                57.78          2.04        1.5957   -5   1   6         4
                58.65          7.07        1.5741   -4   2   8         4
                58.68          6.22        1.5734    0   2   8         4
                58.75          1.33        1.5717   -2   4   8         4
                58.95          3.49        1.5668   -5   3   4         4
                58.98          2.87        1.5661    3   3   4         4
                59.22          4.92        1.5603    2   2   6         4
                60.34          4.05        1.5339    0   6   6         4
                61.05          2.85        1.5178   -3   7   4         4
                61.07          2.88        1.5175    1   7   4         4
                61.48          6.20        1.5083   -5   3   6         4
                61.70          5.37        1.5034   -4   6   2         4
                61.84          9.82        1.5002    2   8   0         4
                63.54          1.33        1.4641   -1   7   6         4
                64.00          1.05        1.4548   -5   1   8         4
                64.04          2.72        1.4540    1   1   8         4
                64.11          1.76        1.4526   -4   4   8         4
                64.13          1.41        1.4521    0   4   8         4
                64.65          6.60        1.4418    2   4   6         4
                64.99          2.07        1.4350    5   3   0         4
                65.17          3.63        1.4315    4   6   0         4
                65.62          1.55        1.4228   -4   6   6         4
                65.78          1.02        1.4197   -3   1  10         4
                66.84          2.68        1.3997   -6   0   4         2
                66.87          3.14        1.3991    4   0   4         2
                67.46          2.03        1.3884    3   7   2         4
                67.70          3.71        1.3841   -2   6   8         4
                68.53          3.04        1.3693   -5   5   6         4
                69.24          1.14        1.3570   -3   3  10         4
                69.62          1.41        1.3505   -4   2  10         4
                69.69          1.94        1.3494    5   1   2         4
                69.92          4.38        1.3454   -1   9   4         4
                70.05          1.60        1.3431   -2   8   6         4
                70.94          2.67        1.3286   -6   2   2         4
                71.75          3.78        1.3155   -1   3  10         4
                72.20          1.12        1.3084   -2   4  10         4
                72.34          1.38        1.3063    0  10   0         2
                72.46          1.66        1.3044   -6   0   8         2
                72.51          1.44        1.3036    2   0   8         2
                73.05          2.18        1.2952    5   3   2         4
                73.21          1.76        1.2928    2   6   6         4
                73.94          3.08        1.2819   -4   8   4         4
                73.96          3.66        1.2816    2   8   4         4
                74.65          2.26        1.2715   -4   4  10         4
                75.93          2.15        1.2531   -3   5  10         4
                75.94          2.07        1.2531   -6   4   2         4
                76.63          1.91        1.2435   -5   3  10         4
                76.63          1.56        1.2434    6   2   0         4
                78.37          1.34        1.2202   -1   5  10         4
                79.37          1.26        1.2073   -2   8   8         4
                79.63          1.09        1.2040    5   5   2         4
                80.63          1.46        1.1915    1   1  10         4
                81.51          1.85        1.1809    6   4   0         4
                81.89          1.02        1.1764    4   2   6         4
                84.13          2.20        1.1507   -4   8   8         4
                84.15          1.90        1.1505    0   8   8         4
                86.70          1.78        1.1230    4   4   6         4
                87.10          1.13        1.1189   -6   6   8         4
================================================================================
       XPOW Copyright 1993 Bob Downs, Ranjini Swaminathan and Kurt Bartelmehs
  For reference, see Downs et al. (1993) American Mineralogist 78, 1104-1107.