Burkeite
      Giuseppetti G, Mazzi F, Tadini C
      Neues Jahrbuch fur Mineralogie, Monatshefte 1988 (1988) 203-221
      The crystal structure of synthetic burkeite
      Sample B
      Note sign of y-coordinate for O3 and O5 altered to reproduce reported bond lengths
      Locality: synthetic
      _database_code_amcsd 0014824

      CELL PARAMETERS:    5.1770   9.2240   7.0660   90.000   90.000   90.000
      SPACE GROUP: Pmnm      
      X-RAY WAVELENGTH:     1.541838
      Cell Volume:    337.420
      Density (g/cm3):      2.601
      MAX. ABS. INTENSITY / VOLUME**2:      7.138678921    
      RIR:      0.894
      RIR based on corundum from Acta Crystallographica A38 (1982) 733-739
               2-THETA      INTENSITY    D-SPACING   H   K   L   Multiplicity
                 9.59          2.50        9.2240    0   1   0         2
                15.80         26.00        5.6093    0   1   1         4
                19.24          1.14        4.6120    0   2   0         2
                19.66         21.36        4.5145    1   1   0         4
                21.28          1.97        4.1761    1   0   1         4
                23.03          3.37        3.8621    0   2   1         4
                23.38         62.71        3.8044    1   1   1         8
                25.21         60.10        3.5330    0   0   2         2
                25.87          7.39        3.4437    1   2   0         4
                29.04          8.60        3.0747    0   3   0         2
                31.91         64.88        2.8047    0   2   2         4
                32.17        100.00        2.7823    1   1   2         8
                33.91         52.11        2.6436    1   3   0         4
                34.65         51.39        2.5885    2   0   0         2
                36.04          2.47        2.4922    2   1   0         4
                36.43          4.17        2.4660    1   2   2         8
                39.06          5.38        2.3060    0   4   0         2
                39.49          2.02        2.2821    0   1   3         4
                42.02         17.06        2.1502    2   2   1         8
                42.15          1.47        2.1439    1   0   3         4
                43.13          3.43        2.0976    0   2   3         4
                43.33          1.33        2.0880    2   0   2         4
                45.82          7.65        1.9802    2   3   0         4
                46.72          3.80        1.9441    1   2   3         8
                47.06         23.58        1.9311    0   4   2         4
                47.82         31.70        1.9022    2   2   2         8
                50.44          1.57        1.8093    1   4   2         8
                51.18          1.55        1.7850    0   5   1         4
                51.75         17.20        1.7665    0   0   4         2
                52.00          3.74        1.7586    1   3   3         8
                53.01          1.59        1.7274    2   3   2         8
                53.53          1.72        1.7118    2   1   3         8
                54.76          1.03        1.6764    3   0   1         4
                55.73          1.21        1.6494    3   1   1         8
                56.25          1.72        1.6353    0   5   2         4
                59.26          1.50        1.5593    1   5   2         8
                59.75          5.06        1.5478    2   4   2         8
                60.19          2.89        1.5373    0   6   0         2
                60.55          7.43        1.5291    3   1   2         8
                61.63          5.19        1.5048    3   3   0         4
                63.08          1.33        1.4737    1   6   0         4
                63.27          1.99        1.4697    3   2   2         8
                63.32          9.30        1.4688    1   3   4         8
                63.79          6.31        1.4591    2   0   4         4
                69.05          1.59        1.3601    1   6   2         8
                69.73          1.23        1.3487    1   1   5         8
                71.36          2.93        1.3218    2   6   0         4
                73.12          2.52        1.2943    4   0   0         2
                75.68          1.08        1.2566    1   7   1         8
                76.20          1.05        1.2493    1   6   3         8
                79.87          1.57        1.2010    1   7   2         8
                81.78          1.29        1.1777    0   0   6         2
                81.99          1.90        1.1752    4   2   2         8
                83.33          2.31        1.1597    0   6   4         4
                84.59          3.03        1.1455    3   3   4         8
                85.14          1.09        1.1395    1   1   6         8
                86.74          1.25        1.1226    1   7   3         8
                89.85          1.06        1.0917    3   6   2         8
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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.