Bartelkeite
      Origlieri M J, Yang H, Downs R T, Posner E S, Domanik K J, Pinch W W
      American Mineralogist 97 (2012) 1812-1815
      The crystal structure of bartelkeite, with a revised chemical formula,
      PbFeGeVI(GeIV2O7)(OH)2*H2O, isotypic with high-pressure P21/m lawsonite
      Locality: Tsumeb, Namibia
      _database_code_amcsd 0019471

      CELL PARAMETERS:    5.8279  13.6150   6.3097   90.000  127.314   90.000
      SPACE GROUP: P2_1/m    
      X-RAY WAVELENGTH:     1.541838
      Cell Volume:    398.184
      Density (g/cm3):      5.379
      MAX. ABS. INTENSITY / VOLUME**2:      35.40757778    
      RIR:      2.143
      RIR based on corundum from Acta Crystallographica A38 (1982) 733-739
               2-THETA      INTENSITY    D-SPACING   H   K   L   Multiplicity
                13.00          5.73        6.8075    0   2   0         2
                16.38          7.87        5.4126   -1   0   1         2
                17.63         51.04        5.0298   -1   1   1         4
                17.67          3.56        5.0183    0   0   1         2
                18.85         83.17        4.7086    0   1   1         4
                19.15          7.19        4.6351    1   0   0         2
                20.24         93.70        4.3878    1   1   0         4
                20.97         41.84        4.2367   -1   2   1         4
                22.01          4.22        4.0394    0   2   1         4
                23.22         11.67        3.8313    1   2   0         4
                25.62         51.13        3.4776   -1   3   1         4
                26.18         17.43        3.4037    0   4   0         2
                26.48         35.13        3.3660    0   3   1         4
                27.51         19.89        3.2427    1   3   0         4
                28.38         31.71        3.1444   -1   0   2         2
                31.04         57.45        2.8814   -1   4   1         4
                31.20         46.09        2.8671   -2   0   1         2
                31.34         93.11        2.8546   -1   2   2         4
                31.77         52.95        2.8169    0   4   1         4
                32.64        100.00        2.7435    1   4   0         4
                33.10         17.33        2.7063   -2   0   2         2
                33.33         51.14        2.6882    1   0   1         2
                33.77         16.27        2.6544   -2   1   2         4
                33.93         36.70        2.6423   -2   2   1         4
                35.70         11.48        2.5149   -2   2   2         4
                35.79          6.17        2.5091    0   0   2         2
                35.92         27.86        2.5003    1   2   1         4
                36.41          3.19        2.4676    0   1   2         4
                36.95         17.02        2.4325   -1   5   1         4
                37.09          2.87        2.4239   -2   3   1         4
                37.58         16.18        2.3934    0   5   1         4
                38.23         27.76        2.3543    0   2   2         4
                38.74         25.46        2.3244   -2   3   2         4
                39.44          5.20        2.2847    2   1   0         4
                39.72          3.77        2.2692    0   6   0         2
                41.11         20.85        2.1959    0   3   2         4
                41.15         15.99        2.1939    2   2   0         4
                41.17          2.45        2.1928   -2   4   1         4
                42.87          3.29        2.1096    1   4   1         4
                43.23          7.24        2.0927   -1   6   1         4
                43.78          2.77        2.0676    0   6   1         4
                43.86         20.56        2.0640    2   3   0         4
                44.01          3.41        2.0575   -2   1   3         4
                44.88          4.40        2.0197    0   4   2         4
                45.11          1.17        2.0098   -1   0   3         2
                45.58          5.42        1.9904   -2   2   3         4
                45.63         13.61        1.9883   -1   1   3         4
                45.97          2.65        1.9744   -2   5   1         4
                46.77          3.21        1.9425   -3   0   2         2
                47.27          1.78        1.9230   -3   1   2         4
                47.36          2.37        1.9195   -2   5   2         4
                47.46          1.59        1.9157    2   4   0         4
                48.09          7.47        1.8919   -2   3   3         4
                49.39          2.32        1.8452    0   5   2         4
                49.54         24.04        1.8401   -1   6   2         4
                49.61          4.19        1.8377   -1   3   3         4
                49.82          4.63        1.8304   -1   7   1         4
                50.31          6.13        1.8135    0   7   1         4
                50.59         13.29        1.8042   -3   0   3         2
                50.63         11.50        1.8029   -3   1   1         4
                50.92         13.68        1.7935    1   7   0         4
                51.15         11.44        1.7858   -3   3   2         4
                51.28          4.99        1.7817    1   1   2         4
                51.35          7.39        1.7793   -2   6   1         4
                51.46         16.07        1.7757   -2   4   3         4
                51.80          8.76        1.7649    2   5   0         4
                52.47          5.46        1.7440   -3   2   3         4
                52.64          7.14        1.7388   -2   6   2         4
                52.79          4.48        1.7340    1   6   1         4
                52.90          4.74        1.7306   -1   4   3         4
                53.05          7.82        1.7264    2   1   1         4
                53.87         20.44        1.7019    0   8   0         2
                54.34          2.25        1.6884   -3   3   1         4
                54.38         32.09        1.6871   -3   4   2         4
                54.52         13.48        1.6830    0   6   2         4
                54.75          1.07        1.6766   -3   3   3         4
                54.89          8.63        1.6728    0   0   3         2
                54.95          7.00        1.6709    1   3   2         4
                55.58          4.19        1.6536   -2   5   3         4
                56.64          1.35        1.6250    2   3   1         4
                56.66          8.93        1.6244    0   2   3         4
                56.78         15.37        1.6214    2   6   0         4
                56.95          4.84        1.6171   -1   5   3         4
                57.44          2.23        1.6042   -3   4   1         4
                58.04         23.56        1.5892    1   4   2         4
                58.35          5.42        1.5814   -3   5   2         4
                58.43          4.55        1.5794   -2   7   2         4
                58.73         19.26        1.5722   -2   0   4         2
                59.67          6.80        1.5496    2   4   1         4
                59.86          2.11        1.5450    3   0   0         2
                60.20          1.80        1.5372    0   7   2         4
                60.34          2.25        1.5338   -2   6   3         4
                61.06          8.29        1.5176   -3   1   4         4
                61.29          1.07        1.5125   -3   5   1         4
                61.55         10.14        1.5067    3   2   0         4
                61.65          1.01        1.5045   -1   6   3         4
                61.67          2.77        1.5040   -3   5   3         4
                61.86          4.20        1.4999    1   5   2         4
                62.00          2.13        1.4967   -1   8   2         4
                62.31          2.52        1.4901   -3   2   4         4
                62.32          2.00        1.4898    2   7   0         4
                63.58          9.23        1.4635   -2   8   1         4
                63.89          1.28        1.4569   -1   9   1         4
                64.32          2.45        1.4484    0   9   1         4
                64.37          1.59        1.4474   -3   3   4         4
                64.48          1.34        1.4452   -1   1   4         4
                64.70          5.28        1.4407   -2   8   2         4
                64.72          7.61        1.4403   -4   1   3         4
                64.83          3.74        1.4381    1   9   0         4
                64.84         13.35        1.4379    1   8   1         4
                65.06          8.64        1.4336   -4   0   2         2
                65.38          2.03        1.4273   -2   4   4         4
                65.71          1.56        1.4211   -2   7   3         4
                66.17          1.96        1.4122   -3   6   3         4
                66.37          1.99        1.4085    0   8   2         4
                66.95          3.30        1.3977   -1   7   3         4
                67.19          5.08        1.3933   -3   4   4         4
                67.69          1.35        1.3841   -1   3   4         4
                68.24          1.16        1.3744   -3   7   2         4
                68.39          1.50        1.3717    2   8   0         4
                68.66          3.29        1.3670   -4   3   2         4
                69.86          2.52        1.3465    0   6   3         4
                70.00          8.86        1.3441    2   0   2         2
                70.45         13.30        1.3366   -1   4   4         4
                70.68          1.46        1.3328   -4   4   3         4
                70.88          2.04        1.3296    1   1   3         4
                70.94          3.51        1.3285   -3   7   1         4
                71.02          4.45        1.3272   -4   2   4         4
                71.40          3.03        1.3212   -4   4   2         4
                71.44          3.67        1.3205   -2   9   2         4
                71.47          2.14        1.3199    1   7   2         4
                72.04          1.50        1.3109    1   2   3         4
                72.94          2.57        1.2970    2   7   1         4
                72.95          2.87        1.2967   -4   3   4         4
                73.03          1.33        1.2955    0   9   2         4
                74.26          5.49        1.2771    3   6   0         4
                75.07          2.94        1.2654   -4   3   1         4
                75.92          1.10        1.2534    3   2   1         4
                76.14          1.73        1.2502    2   4   2         4
                76.20         10.82        1.2494   -1  10   2         4
                76.21          1.43        1.2493    0   1   4         4
                76.62          3.20        1.2436    1   4   3         4
                77.03          5.86        1.2380   -3   8   3         4
                77.34          1.08        1.2338    0   2   4         4
                77.63          3.85        1.2299   -2  10   1         4
                77.71          3.70        1.2288   -4   4   1         4
                77.80          2.97        1.2276    3   3   1         4
                78.80          2.73        1.2146    1  10   1         4
                79.22          2.38        1.2092    0   3   4         4
                79.26          1.83        1.2087   -1   9   3         4
                79.42          1.55        1.2066   -1  11   1         4
                79.81          1.62        1.2017    0  11   1         4
                79.86          3.88        1.2011   -3   7   4         4
                80.21          1.72        1.1967    0  10   2         4
                80.42          2.17        1.1941    3   4   1         4
                80.51          5.46        1.1930    0   8   3         4
                81.08          1.26        1.1861   -4  -5   1         4
                82.10          1.95        1.1739    2  10   0         4
                82.93          1.13        1.1643   -1   7   4         4
                83.03          1.25        1.1631   -3  -9   1         4
                83.11          2.32        1.1622   -4  -6   4         4
                83.15          1.55        1.1617   -4  -7   3         4
                83.76          8.52        1.1548   -2   8   4         4
                83.76          2.83        1.1548    3   5   1         4
                83.78          2.55        1.1546    4   1   0         4
                84.08          1.06        1.1512    1   6   3         4
                84.89          1.67        1.1423    4   2   0         4
                84.94          1.77        1.1418    2   9   1         4
                85.15          1.61        1.1394    0   5   4         4
                87.93          1.82        1.1104   -1  12   1         4
                88.31          1.97        1.1067    0  12   1         4
                88.78          4.12        1.1020    1  12   0         4
                89.20          2.01        1.0979    0   6   4         4
                89.84          1.29        1.0918    2  11   0         4
================================================================================
       XPOW Copyright 1993 Bob Downs, Ranjini Swaminathan and Kurt Bartelmehs
  For reference, see Downs et al. (1993) American Mineralogist 78, 1104-1107.