Piemontite
      Bonazzi P, Garbarino C, Menchetti S
      European Journal of Mineralogy 4 (1992) 23-33
      Crystal chemistry of piemontites: REE-bearing
      piemontite from Monte Brugiana, Alpi Apuane, Italy
      Sample: BR1A
      Locality: Monte Brugiana, Alpi Apuane, Italy
      _database_code_amcsd 0006434

      CELL PARAMETERS:    8.8840   5.6850  10.1520   90.000  115.000   90.000
      SPACE GROUP: P2_1/m    
      X-RAY WAVELENGTH:     1.541838
      Cell Volume:    464.693
      Density (g/cm3):      3.720
      MAX. ABS. INTENSITY / VOLUME**2:      11.41156419    
      RIR:      0.999
      RIR based on corundum from Acta Crystallographica A38 (1982) 733-739
               2-THETA      INTENSITY    D-SPACING   H   K   L   Multiplicity
                 9.61          7.69        9.2008    0   0   1         2
                10.99          1.63        8.0516    1   0   0         2
                11.13          2.86        7.9485   -1   0   1         2
                17.43          3.00        5.0867    1   0   1         2
                17.71         22.38        5.0090   -1   0   2         2
                18.34          7.18        4.8363    0   1   1         4
                19.11          3.32        4.6441    1   1   0         4
                19.29          9.13        4.6004    0   0   2         2
                22.08          2.71        4.0258    2   0   0         2
                22.37         14.30        3.9742   -2   0   2         2
                23.47          3.11        3.7908    1   1   1         4
                23.67          1.55        3.7583   -1   1   2         4
                24.90          1.47        3.5762    0   1   2         4
                25.45         37.54        3.4999   -2   1   1         4
                26.05          6.72        3.4200    1   0   2         2
                27.14          2.70        3.2855    2   1   0         4
                27.38          1.54        3.2572   -2   1   2         4
                27.69         15.61        3.2219    2   0   1         2
                29.12          1.91        3.0669    0   0   3         2
                30.66         27.16        2.9158   -3   0   2         2
                30.77        100.00        2.9056   -1   1   3         4
                31.47         33.03        2.8425    0   2   0         2
                31.93         14.49        2.8030    2   1   1         4
                33.19         30.68        2.6992    0   1   3         4
                33.39         16.32        2.6839    3   0   0         2
                33.43         33.25        2.6804    1   2   0         4
                33.83          2.90        2.6495   -3   0   3         2
                34.43         46.33        2.6051   -3   1   1         4
                34.57          1.93        2.5945   -3   1   2         4
                35.29         23.48        2.5434    2   0   2         2
                35.78          7.50        2.5095   -1   0   4         2
                36.34         14.15        2.4722   -1   2   2         4
                37.18         15.43        2.4181    0   2   2         4
                37.45         19.86        2.4015   -3   1   3         4
                37.57          4.90        2.3942   -2   2   1         4
                38.94          2.76        2.3131    1   1   3         4
                38.96         17.93        2.3120   -2   2   2         4
                39.24          2.47        2.2958   -1   1   4         4
                39.31          3.17        2.2919   -2   1   4         4
                39.37          4.31        2.2887   -3   0   4         2
                41.30          4.02        2.1860    1   2   2         4
                41.51          5.75        2.1756   -1   2   3         4
                41.68         17.16        2.1669   -4   0   1         2
                41.97          1.25        2.1526    3   1   1         4
                42.01          3.67        2.1506   -4   0   3         2
                42.39          4.83        2.1323    0   1   4         4
                42.41         19.96        2.1315    2   2   1         4
                42.73         19.09        2.1161   -2   2   3         4
                43.40         12.30        2.0848    0   2   3         4
                44.03          8.71        2.0564    2   0   3         2
                44.40          1.71        2.0405   -3   2   1         4
                44.51          1.27        2.0354   -3   2   2         4
                44.66          1.48        2.0289   -2   0   5         2
                45.04          3.69        2.0129    4   0   0         2
                46.58          1.54        1.9499   -3   0   5         2
                46.99          2.54        1.9338    2   1   3         4
                48.00          9.38        1.8954    2   2   2         4
                48.13          1.36        1.8907    1   2   3         4
                48.24          6.55        1.8864    1   1   4         4
                48.38          3.13        1.8813   -1   2   4         4
                48.44         15.58        1.8791   -2   2   4         4
                48.65          3.43        1.8716    3   1   2         4
                49.41          1.59        1.8446    1   3   0         4
                50.72          1.02        1.8000    3   2   1         4
                51.08          4.79        1.7881    0   2   4         4
                51.60          5.50        1.7711   -5   0   2         2
                52.28          5.18        1.7500   -4   2   2         4
                52.50          4.84        1.7430   -2   3   1         4
                53.15          1.61        1.7233   -4   2   1         4
                53.59          2.46        1.7100    2   0   4         2
                53.84          7.94        1.7028   -4   1   5         4
                54.25          2.18        1.6910   -5   1   2         4
                54.27          3.14        1.6902   -2   0   6         2
                55.00          1.57        1.6697   -3   0   6         2
                55.60         11.65        1.6530   -1   3   3         4
                55.75          1.25        1.6489    1   0   5         2
                55.98          5.21        1.6427    4   2   0         4
                56.04          8.62        1.6410   -5   1   1         4
                56.11         12.39        1.6391   -1   0   6         2
                56.17          2.63        1.6375    2   1   4         4
                56.24          7.51        1.6355    1   2   4         4
                56.32          2.39        1.6334    2   3   1         4
                56.51         19.93        1.6286   -4   2   4         4
                56.53          2.07        1.6278   -5   1   4         4
                56.61          7.96        1.6259    3   2   2         4
                56.83          1.51        1.6201   -2   1   6         4
                57.14          4.94        1.6121    0   3   3         4
                57.21          1.36        1.6103    5   0   0         2
                57.95         10.16        1.5913   -3   3   1         4
                58.05          1.11        1.5889   -3   3   2         4
                58.22         10.56        1.5847   -4   0   6         2
                58.26          7.18        1.5837    1   1   5         4
                59.65          6.66        1.5499    4   1   2         4
                59.68          2.57        1.5494    5   1   0         4
                60.02          3.08        1.5413   -3   3   3         4
                61.33          1.39        1.5115   -4   2   5         4
                63.37          1.76        1.4678   -5   2   1         4
                63.41          1.13        1.4669    3   0   4         2
                63.49          2.02        1.4653    2   2   4         4
                63.83          8.91        1.4583   -5   2   4         4
                63.85          4.59        1.4579   -6   0   4         2
                64.10          6.68        1.4528   -2   2   6         4
                64.75          5.12        1.4397   -3   2   6         4
                65.32          1.80        1.4285    4   0   3         2
                65.70         20.89        1.4212    0   4   0         2
                66.17          1.54        1.4122   -6   1   4         4
                66.22          5.10        1.4113    2   1   5         4
                66.73          1.43        1.4017   -3   1   7         4
                66.74         12.58        1.4015    4   2   2         4
                66.76          1.09        1.4011    5   2   0         4
                66.94          1.48        1.3979   -2   1   7         4
                68.18          2.58        1.3755    1   3   4         4
                68.25          1.42        1.3741   -6   1   1         4
                68.80          1.64        1.3645   -4   1   7         4
                69.52          1.86        1.3521    5   0   2         2
                69.67          3.72        1.3496    0   2   6         4
                72.58          4.02        1.3025   -6   2   2         4
                72.72          1.43        1.3004    2   4   1         4
                72.79          2.52        1.2993   -5   2   6         4
                72.79          2.59        1.2992   -4   3   5         4
                72.92          3.28        1.2972   -6   2   4         4
                73.14          1.14        1.2940   -5   3   2         4
                73.71          1.35        1.2853    3   0   5         2
                74.02          1.18        1.2806    0   1   7         4
                74.23          3.21        1.2776   -3   4   2         4
                74.31          3.88        1.2764    4   2   3         4
                74.63          1.76        1.2717    4   0   4         2
                74.67          4.25        1.2712   -5   3   1         4
                74.78          1.08        1.2695    2   3   4         4
                74.82          2.00        1.2690   -3   0   8         2
                74.92          2.45        1.2675   -6   2   1         4
                75.02          1.04        1.2661    2   0   6         2
                75.60          2.90        1.2578   -6   2   5         4
                75.73          2.32        1.2560    3   4   0         4
                76.59          3.13        1.2439    1   3   5         4
                76.83          4.74        1.2407    2   4   2         4
                77.13          1.33        1.2367   -1   4   4         4
                77.82          2.41        1.2274    4   3   2         4
                77.84          1.10        1.2271    5   3   0         4
                78.88          1.38        1.2135    6   2   0         4
                79.35          2.36        1.2075   -6   1   7         4
                79.36          1.51        1.2074   -3   4   4         4
                80.51          2.54        1.1930    0   2   7         4
                80.89          2.25        1.1884   -4   4   1         4
                82.50          1.36        1.1692    2   4   3         4
                83.74          2.43        1.1550    2   3   5         4
                84.70          1.52        1.1443   -6   0   8         2
                86.28          2.06        1.1274    7   1   0         4
                86.30          1.34        1.1273    0   1   8         4
                87.21          1.04        1.1178    3   1   6         4
                87.45          1.24        1.1153   -1   2   8         4
                87.63          2.60        1.1135   -7   1   7         4
                87.80          2.07        1.1118   -5   2   8         4
================================================================================
       XPOW Copyright 1993 Bob Downs, Ranjini Swaminathan and Kurt Bartelmehs
  For reference, see Downs et al. (1993) American Mineralogist 78, 1104-1107.