Spherocobaltite
Diffraction data computed using the structure from the paper listed below,
along with the cell parameters refined from single crystal data of R060497
      Graf D L
      American Mineralogist 46 (1961) 1283-1316
      Crystallographic tables for the rhombohedral carbonates

      CELL PARAMETERS:   4.6300  4.6300 14.9400   90.000   90.000  120.000
      SPACE GROUP: R-3c      

           ATOM        X         Y         Z     OCCUPANCY  ISO(B)
            Co     0.00000   0.00000   0.00000     1.000     0.700
            C      0.00000   0.00000   0.25000     1.000     0.300
            O      0.27610   0.00000   0.25000     1.000     1.000

            X-RAY WAVELENGTH:     1.541838
            BOUNDS ON TWO THETA:    5.0  90.0
            LIMITS IMPOSED ON THE INDICES ARE:  +/-  3 +/-  3 +/- 13
            MAX. ABS. INTENSITY / VOLUME**2:      52.09611448    
            The INTENSITY cut off value is   1.00

               2-THETA      INTENSITY    D-SPACING   H   K   L
                25.21         41.91        3.5329    0   1   2
                32.77        100.00        2.7330    1   0   4
                38.90         22.99        2.3150    1   1   0
                43.09         15.45        2.0993    1   1   3
                46.92         20.31        1.9363    2   0   2
                51.75         11.53        1.7665    0   2   4
                54.09         29.03        1.6954    1   1   6
                54.18         18.69        1.6929    0   1   8
                61.50          1.54        1.5078    2   1   1
                62.54         13.10        1.4853    1   2   2
                66.59         10.76        1.4043    2   1   4
                66.83          2.71        1.4000    1   0  10
                68.69          4.34        1.3665    2   0   8
                69.70          1.94        1.3490    1   1   9
                70.45         10.13        1.3366    3   0   0
                76.52          3.20        1.2450    0   0  12
                80.11          2.93        1.1980    0   2  10
                81.86          5.40        1.1768    1   2   8
                89.35          3.34        1.0965    1   1  12
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       XPOW Copyright 1993 Bob Downs, Ranjini Swaminathan and Kurt Bartelmehs
  For reference, see Downs et al. (1993) American Mineralogist 78, 1104-1107.