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_L16h, single Pb site
      _database_code_amcsd 0001955

      CELL PARAMETERS:    8.3990  13.0610  14.3340   90.000  115.280   90.000
      SPACE GROUP: I2/c      
      X-RAY WAVELENGTH:     1.541838
      Cell Volume:   1421.841
      Density (g/cm3):      4.160
      MAX. ABS. INTENSITY / VOLUME**2:      31.95308931    
      RIR:      2.501
      RIR based on corundum from Acta Crystallographica A38 (1982) 733-739
               2-THETA      INTENSITY    D-SPACING   H   K   L   Multiplicity
                13.49          1.21        6.5654    1   1   0         4
                13.56         96.87        6.5305    0   2   0         2
                13.66         31.10        6.4806    0   0   2         2
                15.26         75.63        5.8068   -1   1   2         4
                17.30          2.73        5.1257   -1   2   1         4
                19.30         42.11        4.6000    0   2   2         4
                21.48          2.73        4.1361   -2   0   2         2
                22.56         22.85        3.9417    1   1   2         4
                23.43         31.60        3.7973    2   0   0         2
                23.55         19.89        3.7771    1   3   0         4
                24.63         41.75        3.6143   -1   3   2         4
                25.49         43.53        3.4942   -2   2   2         4
                25.78         89.19        3.4558   -1   1   4         4
                27.16        100.00        3.2827    2   2   0         4
                27.31          2.61        3.2652    0   4   0         2
                27.52         13.70        3.2414   -2   0   4         2
                27.53         24.71        3.2403    0   0   4         2
                29.41          1.82        3.0372   -1   4   1         4
                29.80         59.88        2.9980    1   3   2         4
                30.66         25.65        2.9160    0   4   2         4
                30.80          1.14        2.9034   -2   2   4         4
                31.73          1.05        2.8199    1   4   1         4
                32.00          1.55        2.7965    2   0   2         2
                32.36         48.20        2.7668   -1   3   4         4
                32.74          7.26        2.7354   -3   1   2         4
                34.90          6.55        2.5708    2   2   2         4
                35.01         37.30        2.5629   -2   4   2         4
                35.10         28.86        2.5564   -3   1   4         4
                35.12         26.80        2.5553    1   1   4         4
                36.14          7.72        2.4853    3   1   0         4
                36.28          9.18        2.4758    2   4   0         4
                37.11         16.44        2.4229   -1   5   2         4
                38.13          5.32        2.3601   -2   0   6         2
                38.24         10.29        2.3535   -3   3   2         4
                38.78          7.23        2.3222   -1   1   6         4
                40.33         15.25        2.2365   -3   3   4         4
                40.34         11.42        2.2358    1   3   4         4
                40.35          1.12        2.2354    0   5   3         4
                40.65         11.62        2.2196   -2   2   6         4
                40.86         17.81        2.2084    1   5   2         4
                41.25          1.25        2.1885    3   3   0         4
                41.48         15.96        2.1768    0   6   0         2
                41.82          3.11        2.1602    0   0   6         2
                42.40          4.27        2.1319   -3   1   6         4
                42.56          6.59        2.1240    2   4   2         4
                42.84         11.07        2.1109   -1   5   4         4
                43.57          7.47        2.0770   -4   0   2         2
                43.63          3.64        2.0747   -1   3   6         4
                43.77          1.91        2.0681   -4   0   4         2
                43.79          2.74        2.0672    2   0   4         2
                43.87          6.89        2.0635    0   6   2         4
                44.16          7.60        2.0509    0   2   6         4
                44.16         13.75        2.0508    3   1   2         4
                45.84          8.70        1.9793   -4   2   2         4
                46.04          4.94        1.9716   -4   2   4         4
                46.05          7.96        1.9708    2   2   4         4
                46.94          6.15        1.9356   -3   3   6         4
                47.18          5.76        1.9263   -2   6   2         4
                47.54          4.09        1.9128   -2   4   6         4
                47.63          3.57        1.9092   -3   5   2         4
                47.91          9.00        1.8987    4   0   0         2
                48.18          2.10        1.8885    2   6   0         4
                48.47          5.67        1.8783   -4   0   6         2
                48.58          9.60        1.8743    3   3   2         4
                49.02          3.48        1.8584    1   1   6         4
                49.39          8.32        1.8452   -3   5   4         4
                49.40          7.35        1.8448    1   5   4         4
                50.03          1.97        1.8232    4   2   0         4
                50.18          1.58        1.8179    3   5   0         4
                50.50          1.11        1.8071   -2   6   4         4
                50.51          3.19        1.8069    0   6   4         4
                50.56          1.93        1.8051   -4   2   6         4
                50.67         11.23        1.8016    0   4   6         4
                50.93          2.46        1.7931   -1   7   2         4
                50.97         14.41        1.7917   -2   0   8         2
                52.19          9.70        1.7525   -4   4   2         4
                53.00          4.64        1.7279   -2   2   8         4
                53.91          1.75        1.7007    1   7   2         4
                55.16          5.96        1.6650   -3   5   6         4
                55.19          4.16        1.6643   -5   1   4         4
                55.21          3.22        1.6638    3   1   4         4
                55.53          5.35        1.6550   -1   7   4         4
                56.03          2.25        1.6413    4   4   0         4
                56.35          4.19        1.6326    0   8   0         2
                56.62          7.88        1.6255    3   5   2         4
                56.81          1.75        1.6207   -4   0   8         2
                56.83          1.01        1.6202    0   0   8         2
                56.88          1.42        1.6187   -1   3   8         4
                57.60          2.07        1.6001   -2   6   6         4
                57.82          2.19        1.5946   -5   1   6         4
                58.69          7.33        1.5730   -4   2   8         4
                58.71          6.37        1.5725    0   2   8         4
                58.78          1.54        1.5708   -2   4   8         4
                58.99          3.78        1.5657   -5   3   4         4
                59.01          3.00        1.5653    3   3   4         4
                59.25          5.09        1.5594    2   2   6         4
                60.37          4.33        1.5333    0   6   6         4
                61.08          3.19        1.5172   -3   7   4         4
                61.09          3.17        1.5170    1   7   4         4
                61.53          6.36        1.5072   -5   3   6         4
                61.73          5.65        1.5027   -4   6   2         4
                61.86         10.28        1.4999    2   8   0         4
                63.57          1.39        1.4636   -1   7   6         4
                64.08          2.86        1.4531    1   1   8         4
                64.15          1.99        1.4517   -4   4   8         4
                64.17          1.54        1.4513    0   4   8         4
                64.68          6.82        1.4410    2   4   6         4
                65.03          2.09        1.4342    5   3   0         4
                65.20          3.88        1.4309    4   6   0         4
                65.65          1.73        1.4221   -4   6   6         4
                65.83          1.20        1.4187   -3   1  10         4
                66.19          1.04        1.4118   -5   5   4         4
                66.89          2.60        1.3987   -6   0   4         2
                66.92          3.08        1.3983    4   0   4         2
                67.48          2.23        1.3879    3   7   2         4
                67.73          3.97        1.3834   -2   6   8         4
                68.57          3.14        1.3685   -5   5   6         4
                69.29          1.28        1.3561   -3   3  10         4
                69.67          1.45        1.3496   -4   2  10         4
                69.73          2.08        1.3486    5   1   2         4
                69.94          4.70        1.3451   -1   9   4         4
                70.08          1.81        1.3427   -2   8   6         4
                70.99          2.79        1.3277   -6   2   2         4
                71.80          3.96        1.3147   -1   3  10         4
                72.25          1.09        1.3076   -2   4  10         4
                72.35          1.50        1.3061    0  10   0         2
                72.52          1.69        1.3034   -6   0   8         2
                72.56          1.42        1.3028    2   0   8         2
                73.10          2.23        1.2945    5   3   2         4
                73.25          1.89        1.2923    2   6   6         4
                73.97          2.99        1.2814   -4   8   4         4
                73.98          3.69        1.2812    2   8   4         4
                74.71          2.25        1.2706   -4   4  10         4
                75.98          2.34        1.2524   -3   5  10         4
                75.99          2.14        1.2523   -6   4   2         4
                76.69          1.59        1.2426    6   2   0         4
                76.69          2.00        1.2426   -5   3  10         4
                78.42          1.41        1.2195   -1   5  10         4
                79.41          1.40        1.2068   -2   8   8         4
                79.68          1.13        1.2034    5   5   2         4
                80.69          1.52        1.1908    1   1  10         4
                81.57          1.89        1.1802    6   4   0         4
                81.94          1.09        1.1758    4   2   6         4
                84.17          2.35        1.1502   -4   8   8         4
                84.19          2.03        1.1500    0   8   8         4
                86.76          1.79        1.1224    4   4   6         4
                87.16          1.25        1.1183   -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.