Rubicline
      Kyono A, Kimata M
      Mineralogical Magazine 65 (2001) 523-531
      Refinement of the crystal structure of a synthetic non-stoichiometric
      Rb-feldspar
      Locality: synthetic
      _database_code_amcsd 0014559

      CELL PARAMETERS:    8.8390  13.0350   7.1750   90.000  116.110   90.000
      SPACE GROUP: C2/m      
      X-RAY WAVELENGTH:     1.541838
      Cell Volume:    742.316
      Density (g/cm3):      2.775
      MAX. ABS. INTENSITY / VOLUME**2:      8.556014389    
      RIR:      1.004
      RIR based on corundum from Acta Crystallographica A38 (1982) 733-739
               2-THETA      INTENSITY    D-SPACING   H   K   L   Multiplicity
                19.37          7.00        4.5819    0   2   1         4
                20.48         14.12        4.3371   -2   0   1         2
                22.40         13.59        3.9685    2   0   0         2
                23.34         65.76        3.8113    1   3   0         4
                24.50         22.60        3.6341   -1   3   1         4
                24.66         30.22        3.6107   -2   2   1         4
                25.77         61.27        3.4566   -1   1   2         4
                26.29        100.00        3.3896    2   2   0         4
                26.90         30.93        3.3148   -2   0   2         2
                27.37          2.36        3.2587    0   4   0         2
                27.69         52.35        3.2214    0   0   2         2
                29.65         59.67        3.0131    1   3   1         4
                30.25          3.38        2.9546   -2   2   2         4
                30.75         25.27        2.9079    0   4   1         4
                30.97          3.76        2.8879    0   2   2         4
                31.14          4.28        2.8724   -3   1   1         4
                32.38         25.49        2.7652   -1   3   2         4
                33.76         28.66        2.6552   -3   1   2         4
                34.21          1.20        2.6211    2   2   1         4
                34.42         33.89        2.6053   -2   4   1         4
                34.59         12.67        2.5928    3   1   0         4
                35.05         13.03        2.5603    1   1   2         4
                36.87          5.28        2.4377   -3   3   1         4
                37.05          7.71        2.4262   -1   5   1         4
                38.94          6.88        2.3129   -1   1   3         4
                39.16          4.67        2.3007   -3   3   2         4
                39.89          5.77        2.2597    3   3   0         4
                40.30          2.29        2.2381    1   3   2         4
                40.40          1.83        2.2328   -2   2   3         4
                40.79          3.61        2.2123    1   5   1         4
                41.30          5.24        2.1862   -4   0   1         2
                41.44          1.21        2.1788   -3   1   3         4
                41.57         20.12        2.1725    0   6   0         2
                41.65          4.05        2.1686   -4   0   2         2
                42.01          3.56        2.1508    2   4   1         4
                42.85          3.83        2.1106    3   1   1         4
                43.27          3.57        2.0910    2   0   2         2
                43.79          1.46        2.0671   -1   3   3         4
                43.98          4.45        2.0586    0   6   1         4
                44.01         10.15        2.0576   -4   2   2         4
                44.41          1.36        2.0397    0   2   3         4
                45.56         10.74        1.9911    2   2   2         4
                45.72          6.33        1.9842    4   0   0         2
                46.08          6.14        1.9697   -3   3   3         4
                46.53          1.22        1.9520   -3   5   1         4
                46.69          1.16        1.9453   -4   0   3         2
                46.77          2.14        1.9424   -2   6   1         4
                47.37          2.54        1.9190    3   3   1         4
                48.43          1.14        1.8795   -3   5   2         4
                48.86          2.00        1.8641   -4   2   3         4
                49.06          6.17        1.8569    3   5   0         4
                49.08          1.95        1.8563    1   1   3         4
                49.40          2.87        1.8449    1   5   2         4
                50.21          1.81        1.8170   -2   6   2         4
                50.25          5.44        1.8155   -4   4   1         4
                50.68          4.59        1.8012    0   6   2         4
                50.92          8.78        1.7932    0   4   3         4
                50.95         11.62        1.7924   -2   0   4         2
                52.31          2.81        1.7488   -5   1   2         4
                53.29          1.03        1.7191   -1   1   4         4
                54.43          4.43        1.6857   -3   5   3         4
                55.58          5.40        1.6536    3   5   1         4
                55.62          5.02        1.6525   -1   7   2         4
                56.48          1.23        1.6294    0   8   0         2
                57.36          3.94        1.6063   -4   2   4         4
                58.58          1.43        1.5758    5   1   0         4
                58.93          1.95        1.5672    2   2   3         4
                59.04          4.98        1.5647   -5   3   3         4
                59.08          4.09        1.5637    0   2   4         4
                60.04          4.72        1.5410   -4   6   1         4
                60.29          1.02        1.5351   -3   7   2         4
                60.63          1.88        1.5273    0   6   3         4
                61.52         10.25        1.5073    2   8   0         4
                61.81          1.55        1.5009   -5   1   4         4
                62.27          4.10        1.4910    5   3   0         4
                63.15          2.92        1.4724   -6   0   2         2
                63.77          1.88        1.4595   -1   7   3         4
                64.27          2.32        1.4493    1   1   4         4
                64.40          4.65        1.4468    2   4   3         4
                64.45          1.13        1.4457   -6   0   3         2
                65.17          3.53        1.4314    4   0   2         2
                66.26          1.14        1.4105   -5   5   3         4
                67.24          1.36        1.3924   -6   2   1         4
                67.78          2.12        1.3826   -2   6   4         4
                68.69          2.28        1.3665   -4   2   5         4
                69.29          1.13        1.3560   -6   0   4         2
                70.07          2.31        1.3429   -1   9   2         4
                70.46          1.36        1.3363    5   3   1         4
                72.27          2.89        1.3074   -1   3   5         4
                72.37          1.09        1.3058   -6   4   1         4
                72.52          1.05        1.3035    0  10   0         2
                72.57          2.62        1.3026   -4   8   2         4
                73.71          3.47        1.2852    2   8   2         4
                74.00          1.01        1.2809   -5   7   2         4
                74.23          2.24        1.2776   -3   9   2         4
                75.74          1.40        1.2558   -3   5   5         4
                83.13          1.29        1.1619   -4   8   4         4
                84.60          1.66        1.1455    0   8   4         4
                85.24          1.18        1.1385    4   4   3         4
================================================================================
       XPOW Copyright 1993 Bob Downs, Ranjini Swaminathan and Kurt Bartelmehs
  For reference, see Downs et al. (1993) American Mineralogist 78, 1104-1107.