Chalcocite
      Evans H T
      Nature Physical Science 232 (1971) 69-70
      Crystal structure of low chalcocite
      Locality: Bristol, Connecticut, USA
      _database_code_amcsd 0019202

      CELL PARAMETERS:   15.2460  11.8840  13.4940   90.000  116.350   90.000
      SPACE GROUP: P2_1/c    
      X-RAY WAVELENGTH:     1.541838
      Cell Volume:   2190.864
      Density (g/cm3):      5.789
      MAX. ABS. INTENSITY / VOLUME**2:      18.21898852    
      RIR:      1.025
      RIR based on corundum from Acta Crystallographica A38 (1982) 733-739
               2-THETA      INTENSITY    D-SPACING   H   K   L   Multiplicity
                10.43          1.01        8.4807   -1   1   1         4
                10.44          1.87        8.4758    0   1   1         4
                13.89          5.51        6.3753   -2   1   1         4
                14.91          1.21        5.9420    0   2   0         2
                19.04          1.47        4.6616   -3   1   1         4
                19.05          1.78        4.6576    2   1   1         4
                20.95          2.24        4.2403   -2   2   2         4
                20.96          2.45        4.2379    0   2   2         4
                23.07          5.08        3.8559   -3   2   1         4
                23.08          1.77        3.8536    2   2   1         4
                23.28          2.77        3.8211   -3   1   3         4
                23.30          1.33        3.8171    0   1   3         4
                23.55          1.97        3.7772   -4   0   2         2
                23.59          1.83        3.7721    2   0   2         2
                23.82         13.97        3.7357   -3   2   2         4
                23.84         15.53        3.7324    1   2   2         4
                24.73         10.50        3.5997   -4   1   2         4
                24.76         11.28        3.5953    2   1   2         4
                25.04          1.83        3.5564   -2   2   3         4
                26.09          1.54        3.4155    4   0   0         2
                26.42          1.01        3.3735   -2   0   4         2
                26.73          3.27        3.3357   -4   1   3         4
                26.73          1.98        3.3356    0   2   3         4
                26.76          3.12        3.3313    1   1   3         4
                26.90         11.30        3.3146   -2   3   2         4
                26.91         11.98        3.3135    0   3   2         4
                27.17          2.01        3.2826    4   1   0         4
                27.22         14.84        3.2762   -3   0   4         2
                27.24         13.75        3.2740   -1   0   4         2
                27.99         18.55        3.1877   -4   2   2         4
                28.02         18.33        3.1846    2   2   2         4
                28.13          5.06        3.1720   -4   2   1         4
                28.15          2.77        3.1702    3   2   1         4
                28.26         15.50        3.1584   -3   1   4         4
                28.27         15.52        3.1564   -1   1   4         4
                28.60          3.06        3.1210   -3   3   1         4
                28.61          1.01        3.1198    2   3   1         4
                29.22          4.49        3.0562   -3   3   2         4
                29.24          6.08        3.0544    1   3   2         4
                30.18          8.88        2.9612    4   2   0         4
                30.26         17.93        2.9534   -5   1   2         4
                30.30         19.38        2.9502    3   1   2         4
                30.47          3.44        2.9337   -2   2   4         4
                30.48          5.17        2.9329   -4   1   4         4
                30.51          6.42        2.9297    0   1   4         4
                30.99          4.51        2.8854   -1   4   1         4
                31.00          7.30        2.8852    0   4   1         4
                31.11          1.72        2.8749   -5   1   1         4
                31.17          2.71        2.8690   -3   2   4         4
                31.19          3.04        2.8675   -1   2   4         4
                31.24          2.53        2.8633   -5   1   3         4
                31.67          3.87        2.8253    0   3   3         4
                32.38          4.99        2.7649   -2   4   1         4
                32.39         11.35        2.7644    1   4   1         4
                32.76         11.11        2.7337   -4   3   2         4
                32.78         10.03        2.7317    2   3   2         4
                32.87         40.44        2.7245    2   4   0         4
                33.22          2.07        2.6968   -4   2   4         4
                33.25          1.56        2.6944    0   2   4         4
                33.60         11.35        2.6671   -2   4   2         4
                33.61         14.67        2.6665    0   4   2         4
                33.82          4.80        2.6502    4   2   1         4
                33.90          4.55        2.6446   -5   1   4         4
                33.94          2.92        2.6411    1   1   4         4
                34.22         15.92        2.6200   -3   1   5         4
                34.33          1.02        2.6125   -4   3   3         4
                34.35          5.22        2.6104    1   3   3         4
                35.01          1.72        2.5630   -3   4   1         4
                35.02         10.60        2.5624    2   4   1         4
                35.43         13.89        2.5339   -6   0   2         2
                35.46         12.74        2.5313    4   0   2         2
                35.49          1.52        2.5293   -4   1   5         4
                35.52          5.17        2.5274   -1   1   5         4
                35.53          5.59        2.5268   -3   4   2         4
                35.54         10.53        2.5258    1   4   2         4
                35.57          1.11        2.5236   -1   3   4         4
                36.25         25.28        2.4782   -6   1   2         4
                36.29         21.78        2.4758    4   1   2         4
                36.39         15.47        2.4691   -2   4   3         4
                36.47          3.68        2.4634   -6   1   3         4
                36.52          7.05        2.4602    3   1   3         4
                36.73          1.36        2.4471   -2   2   5         4
                37.39         39.06        2.4049   -4   3   4         4
                37.42         34.58        2.4032    0   3   4         4
                37.44         35.43        2.4019   -6   0   4         2
                37.50         37.52        2.3984    2   0   4         2
                37.59          2.85        2.3925   -3   4   3         4
                37.60          3.08        2.3923    5   1   1         4
                37.61          3.16        2.3915    0   4   3         4
                37.92          2.02        2.3726   -5   3   1         4
                37.92          2.02        2.3725   -5   1   5         4
                37.94          1.38        2.3716   -1   2   5         4
                38.03          3.02        2.3661   -5   3   3         4
                38.23          1.66        2.3543   -6   1   4         4
                38.60          3.07        2.3323   -1   5   1         4
                38.63         14.60        2.3308   -6   2   2         4
                38.66         19.25        2.3290   -4   4   1         4
                38.66         12.56        2.3288    4   2   2         4
                39.76          1.49        2.2672   -2   5   1         4
                39.76          1.74        2.2670    1   5   1         4
                39.91          1.96        2.2589    5   2   1         4
                40.23         15.33        2.2418   -1   5   2         4
                40.23          6.05        2.2416    4   4   0         4
                40.26          2.38        2.2400    0   2   5         4
                40.30          1.26        2.2382   -5   3   4         4
                40.46          2.18        2.2296   -2   4   4         4
                40.51          1.14        2.2268   -6   2   4         4
                40.65          2.80        2.2197   -4   0   6         2
                40.67          2.51        2.2186   -2   0   6         2
                40.79          4.06        2.2124   -2   5   2         4
                40.79          5.34        2.2120    0   5   2         4
                40.84         34.00        2.2098   -3   1   6         4
                41.38          2.49        2.1819   -4   1   6         4
                41.40          2.34        2.1809   -2   1   6         4
                41.99          1.33        2.1519   -3   5   1         4
                42.28          6.21        2.1377    4   1   3         4
                42.54          1.35        2.1251   -6   3   3         4
                42.55          2.06        2.1248   -7   0   4         2
                42.61          1.00        2.1218    5   1   2         4
                42.64          4.88        2.1202   -4   4   4         4
                42.67          7.28        2.1190    0   4   4         4
                43.13          7.11        2.0973    4   4   1         4
                43.17          1.14        2.0954   -2   5   3         4
                43.22          2.72        2.0934   -5   4   3         4
                43.32          1.01        2.0887    3   1   4         4
                44.24          3.98        2.0474    0   5   3         4
                44.67          4.64        2.0287   -7   2   2         4
                44.70          4.48        2.0271    5   2   2         4
                45.07          4.20        2.0117   -4   5   2         4
                45.08          4.82        2.0110   -5   2   6         4
                45.09          2.55        2.0109    2   5   2         4
                45.12          6.50        2.0095   -1   2   6         4
                45.27          3.05        2.0033   -5   4   4         4
                45.30          5.39        2.0017    1   4   4         4
                45.53          6.72        1.9922   -2   4   5         4
                45.58          1.14        1.9900   -7   1   5         4
                45.60          5.41        1.9892   -6   1   6         4
                45.66          5.75        1.9870    0   1   6         4
                45.81         37.08        1.9807    0   6   0         2
                45.97        100.00        1.9741    6   3   0         4
                46.28          1.89        1.9619   -4   5   3         4
                46.30          6.87        1.9609   -7   2   1         4
                46.32          1.16        1.9601    6   2   1         4
                46.46          1.74        1.9547   -1   6   1         4
                46.53          3.27        1.9517   -4   4   5         4
                46.55         20.74        1.9509    4   5   0         4
                46.92          2.03        1.9364   -4   3   6         4
                46.94          1.95        1.9357   -2   3   6         4
                47.14          1.16        1.9279   -6   4   2         4
                47.17          1.28        1.9268    4   4   2         4
                47.32          4.70        1.9210   -6   4   3         4
                47.46          3.86        1.9157    1   6   1         4
                47.60          8.50        1.9105   -6   2   6         4
                47.65          8.73        1.9085    0   2   6         4
                47.74          2.39        1.9052    4   3   3         4
                48.00          5.70        1.8953   -7   3   2         4
                48.04          4.04        1.8940    5   3   2         4
                48.24          2.75        1.8867    5   4   1         4
                48.35          1.11        1.8824   -2   6   2         4
                48.36          2.26        1.8822    0   6   2         4
                48.39         43.92        1.8809   -5   3   6         4
                48.43         17.39        1.8796   -7   0   6         2
                48.43         45.47        1.8796   -1   3   6         4
                48.50         16.94        1.8771    1   0   6         2
                48.54          6.62        1.8756   -8   0   2         2
                48.54          3.70        1.8756    0   4   5         4
                48.57          6.01        1.8746   -5   5   2         4
                48.58          5.03        1.8741    6   0   2         2
                48.59          6.81        1.8737    3   5   2         4
                48.91          2.09        1.8621   -2   1   7         4
                49.15          1.97        1.8535    4   5   1         4
                49.40          1.48        1.8448   -3   6   1         4
                49.41          2.36        1.8445    2   6   1         4
                49.84          1.54        1.8297   -4   2   7         4
                50.29          1.16        1.8143   -8   2   3         4
                50.45          5.12        1.8088   -2   6   3         4
                50.46          1.11        1.8087   -1   6   3         4
                50.50          2.75        1.8073    6   4   0         4
                50.72          4.53        1.7999   -8   2   4         4
                50.78          4.99        1.7979   -6   3   6         4
                50.79          3.51        1.7977    4   2   4         4
                50.83          2.78        1.7962    0   3   6         4
                51.06          4.12        1.7886   -8   2   2         4
                51.09          2.78        1.7877   -5   5   4         4
                51.10          5.13        1.7873    6   2   2         4
                51.13          4.66        1.7866    1   5   4         4
                51.33          3.45        1.7800   -3   5   5         4
                51.36          2.09        1.7791   -6   4   5         4
                51.40          2.79        1.7776    0   6   3         4
                52.10          1.04        1.7554   -7   4   3         4
                52.14          1.19        1.7541   -4   6   2         4
                52.15          3.68        1.7540    4   4   3         4
                52.16          1.06        1.7536    2   6   2         4
                52.27          1.79        1.7501   -1   5   5         4
                52.67          1.61        1.7377   -8   0   6         2
                52.75          1.56        1.7352    2   0   6         2
                52.98          1.95        1.7283   -7   4   4         4
                53.01          2.40        1.7273    3   5   3         4
                53.04          1.77        1.7267    3   4   4         4
                53.36          3.21        1.7170   -8   3   3         4
                53.66         18.01        1.7080   -2   6   4         4
                53.77         10.47        1.7048   -8   3   4         4
                53.81          1.05        1.7038   -6   5   1         4
                53.84          9.97        1.7029    4   3   4         4
                54.07          2.05        1.6961   -5   5   5         4
                54.11          2.15        1.6950   -3   6   4         4
                54.12          1.66        1.6947   -1   6   4         4
                54.30          4.34        1.6895   -6   5   4         4
                54.34          5.50        1.6882    2   5   4         4
                54.39         16.71        1.6867   -4   0   8         2
                54.86          2.61        1.6736   -9   1   4         4
                54.90          2.91        1.6724   -9   1   3         4
                54.93          4.15        1.6715    5   1   4         4
                55.01          1.20        1.6691   -6   4   6         4
                55.06          1.57        1.6678    0   4   6         4
                55.31          2.52        1.6610   -5   6   2         4
                55.33          2.57        1.6604    3   6   2         4
                55.49          1.47        1.6561   -9   0   2         2
                55.53          3.40        1.6550    7   0   2         2
                56.28          5.09        1.6346   -2   7   2         4
                56.28          4.39        1.6345    0   7   2         4
                56.61          1.58        1.6259   -9   2   4         4
                56.68          2.23        1.6240    5   2   4         4
                56.71          1.71        1.6233    6   2   3         4
                56.72          1.67        1.6229   -6   5   5         4
                57.46          1.46        1.6038   -8   4   3         4
                58.22          1.27        1.5846    3   1   6         4
                58.24          1.51        1.5841   -7   5   4         4
                58.29          1.17        1.5828    3   5   4         4
                58.69          2.08        1.5730   -4   6   5         4
                59.45          1.73        1.5548   -9   3   4         4
                59.52          2.05        1.5531    5   3   4         4
                59.54          1.29        1.5525    6   3   3         4
                59.72          1.56        1.5485   -4   7   2         4
                59.73          2.01        1.5481    2   7   2         4
                60.60          7.35        1.5281   -6   6   4         4
                60.63          8.59        1.5272    2   6   4         4
                60.75          1.76        1.5245  -10   0   4         2
                60.83          1.94        1.5227    6   0   4         2
                60.94          1.03        1.5203    4   7   0         4
                61.30          1.73        1.5121  -10   1   4         4
                61.33          1.50        1.5116   -9   1   7         4
                61.38          1.49        1.5104    6   1   4         4
                62.63          1.58        1.4833   -5   7   2         4
                62.94          1.14        1.4767  -10   2   4         4
                63.15          2.23        1.4724   -8   5   2         4
                63.18          1.68        1.4717    6   5   2         4
                63.26          1.54        1.4701  -10   1   2         4
                63.28          1.15        1.4696   -7   3   8         4
                63.30          1.70        1.4692    8   1   2         4
                64.60          2.16        1.4427   -2   8   2         4
                64.61          2.46        1.4426    0   8   2         4
                64.93          1.32        1.4362   -9   0   8         2
                65.02          1.32        1.4344    1   0   8         2
                65.35          1.27        1.4280   -8   4   7         4
                65.76          1.64        1.4200  -10   1   1         4
                65.80          1.06        1.4193   -1   7   5         4
                66.31          1.93        1.4096   -9   4   6         4
                66.40          1.86        1.4080    3   4   6         4
                67.00          3.53        1.3967   -7   4   8         4
                67.04          1.73        1.3960   -9   2   8         4
                67.06          2.86        1.3957   -1   4   8         4
                67.13          1.39        1.3943    1   2   8         4
                67.57          1.48        1.3864   -6   7   4         4
                69.00          2.36        1.3610  -11   0   6         2
                69.11          2.14        1.3591    5   0   6         2
                69.22          1.20        1.3573   10   1   0         4
                69.35          1.19        1.3551    6   4   4         4
                69.35          4.00        1.3550   -3   7   6         4
                69.63          1.63        1.3502   -9   3   8         4
                69.70          1.30        1.3491  -10   4   3         4
                69.71          1.22        1.3489  -11   2   4         4
                69.73          2.81        1.3487    1   3   8         4
                69.74          2.51        1.3485   -4   7   6         4
                69.75          1.33        1.3483   -2   7   6         4
                69.80          1.37        1.3475    7   2   4         4
                69.84          1.63        1.3467  -10   4   5         4
                70.37          1.36        1.3378    4   7   3         4
                70.76          2.50        1.3315   10   2   0         4
                71.11          1.48        1.3258  -10   4   2         4
                71.12          1.09        1.3256    3   7   4         4
                71.15          1.30        1.3251    8   4   2         4
                71.64          1.32        1.3172   -7   5   8         4
                71.70          1.61        1.3164   -1   5   8         4
                72.10          1.06        1.3100   -6   2  10         4
                72.12          1.14        1.3097   -4   2  10         4
                72.34          1.67        1.3062    7   3   4         4
                72.97          5.55        1.2964    2   9   0         4
                73.18          3.99        1.2934    8   6   0         4
                73.30          3.32        1.2915   10   3   0         4
                73.62          1.12        1.2867   -8   1  10         4
                73.68          1.21        1.2857   -2   1  10         4
                73.79          7.09        1.2842   -4   6   8         4
                73.85          6.78        1.2832  -10   3   8         4
                73.96          1.92        1.2816    2   5   7         4
                73.96          8.72        1.2816    2   3   8         4
                74.53          1.66        1.2732   -3   9   2         4
                74.54          1.44        1.2731    1   9   2         4
                74.71          1.81        1.2705   -9   6   2         4
                74.75          2.97        1.2700    7   6   2         4
                74.76          3.17        1.2698  -11   1   8         4
                74.89          2.84        1.2680    3   1   8         4
                75.64          1.73        1.2572  -10   5   2         4
                75.68          1.36        1.2567    8   5   2         4
                75.74          1.47        1.2559   -7   3  10         4
                75.78          1.46        1.2552   -3   3  10         4
                76.01          1.32        1.2521  -12   1   6         4
                76.13          1.40        1.2504    6   1   6         4
                76.38          1.08        1.2469    3   2   8         4
                76.57          1.22        1.2443   -8   7   5         4
                77.20          1.20        1.2356   -1   6   8         4
                78.03          1.29        1.2246   -1   9   4         4
                78.10          2.74        1.2237   -7   8   2         4
                78.13          1.67        1.2233    5   8   2         4
                78.40          2.70        1.2198   -5   8   6         4
                78.42          2.59        1.2194   -1   8   6         4
                79.20          1.15        1.2095   -7   4  10         4
                79.50          1.48        1.2056    8   3   4         4
                80.47          1.07        1.1935    6   5   5         4
                81.49          3.43        1.1811  -11   5   6         4
                81.60          4.46        1.1798    5   5   6         4
                82.14          2.34        1.1735   -5   5  10         4
                82.64          2.07        1.1676   -8   8   4         4
                82.64          1.06        1.1675   -2   6   9         4
                82.69          2.02        1.1670    4   8   4         4
                85.10          1.17        1.1400  -11   2  10         4
                85.23          1.43        1.1386    1   2  10         4
                85.24          1.93        1.1385   12   0   0         2
                85.70          2.36        1.1336   -4  10   2         4
                85.71          1.88        1.1335    2  10   2         4
                85.72          3.42        1.1333   12   1   0         4
                86.41          1.79        1.1261    5   9   2         4
                87.27          1.21        1.1172   -3  10   4         4
                88.53          1.74        1.1045    2   9   5         4
================================================================================
       XPOW Copyright 1993 Bob Downs, Ranjini Swaminathan and Kurt Bartelmehs
  For reference, see Downs et al. (1993) American Mineralogist 78, 1104-1107.