Burkeite
      Giuseppetti G, Mazzi F, Tadini C
      Neues Jahrbuch fur Mineralogie, Monatshefte 1988 (1988) 203-221
      The crystal structure of synthetic burkeite
      Sample C
      Note sign of y-coordinate for O3 and O5 altered to reproduce reported bond lengths
      Locality: synthetic
      _database_code_amcsd 0014825

      CELL PARAMETERS:    5.1980   9.2550   7.0850   90.000   90.000   90.000
      SPACE GROUP: Pmnm      
      X-RAY WAVELENGTH:     1.541838
      Cell Volume:    340.842
      Density (g/cm3):      2.596
      MAX. ABS. INTENSITY / VOLUME**2:      6.967821388    
      RIR:      0.874
      RIR based on corundum from Acta Crystallographica A38 (1982) 733-739
               2-THETA      INTENSITY    D-SPACING   H   K   L   Multiplicity
                 9.56          1.62        9.2550    0   1   0         2
                15.75         26.53        5.6258    0   1   1         4
                19.18          1.84        4.6275    0   2   0         2
                19.59         20.42        4.5321    1   1   0         4
                21.20          1.38        4.1910    1   0   1         4
                22.95          3.75        3.8743    0   2   1         4
                23.30         67.85        3.8178    1   1   1         8
                25.14         60.25        3.5425    0   0   2         2
                25.78          9.03        3.4563    1   2   0         4
                28.94          8.11        3.0850    0   3   0         2
                31.81         66.07        2.8129    0   2   2         4
                32.07        100.00        2.7910    1   1   2         8
                33.79         53.70        2.6529    1   3   0         4
                34.51         51.97        2.5990    2   0   0         2
                35.89          2.57        2.5022    2   1   0         4
                36.31          3.80        2.4739    1   2   2         8
                38.93          6.09        2.3138    0   4   0         2
                39.38          2.03        2.2883    0   1   3         4
                41.85         17.13        2.1583    2   2   1         8
                42.02          1.42        2.1501    1   0   3         4
                43.00          3.22        2.1036    0   2   3         4
                43.17          1.67        2.0955    2   0   2         4
                45.64          7.29        1.9877    2   3   0         4
                46.58          3.33        1.9499    1   2   3         8
                46.90         23.43        1.9372    0   4   2         4
                47.64         33.10        1.9089    2   2   2         8
                50.26          1.41        1.8152    1   4   2         8
                50.99          1.49        1.7909    0   5   1         4
                51.60         17.41        1.7713    0   0   4         2
                51.83          3.70        1.7640    1   3   3         8
                52.81          1.47        1.7334    2   3   2         8
                53.34          1.44        1.7175    2   1   3         8
                54.52          1.01        1.6831    3   0   1         4
                55.49          1.30        1.6559    3   1   1         8
                56.06          1.70        1.6405    0   5   2         4
                59.04          1.84        1.5645    1   5   2         8
                59.52          5.17        1.5532    2   4   2         8
                59.97          3.33        1.5425    0   6   0         2
                60.30          7.59        1.5349    3   1   2         8
                61.37          5.15        1.5107    3   3   0         4
                62.84          1.10        1.4788    1   6   0         4
                63.01          1.80        1.4753    3   2   2         8
                63.11          9.69        1.4731    1   3   4         8
                63.57          6.50        1.4637    2   0   4         4
                68.79          1.48        1.3646    1   6   2         8
                69.50          1.28        1.3524    1   1   5         8
                71.07          3.21        1.3265    2   6   0         4
                72.77          2.58        1.2995    4   0   0         2
                75.38          1.15        1.2609    1   7   1         8
                76.72          1.04        1.2422    2   6   2         8
                79.55          1.60        1.2049    1   7   2         8
                80.65          1.10        1.1913    3   5   2         8
                81.52          1.31        1.1808    0   0   6         2
                81.61          1.99        1.1797    4   2   2         8
                83.02          2.41        1.1632    0   6   4         4
                84.24          3.14        1.1494    3   3   4         8
                84.72          1.06        1.1442    0   2   6         4
                84.85          1.15        1.1427    1   1   6         8
                86.39          1.33        1.1263    1   7   3         8
                89.44          1.01        1.0956    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.