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: BR2P
      Locality: Monte Brugiana, Alpi Apuane, Italy
      _database_code_amcsd 0006436

      CELL PARAMETERS:    8.8570   5.6710  10.1560   90.000  115.290   90.000
      SPACE GROUP: P2_1/m    
      X-RAY WAVELENGTH:     1.541838
      Cell Volume:    461.225
      Density (g/cm3):      3.575
      MAX. ABS. INTENSITY / VOLUME**2:      9.283110019    
      RIR:      0.846
      RIR based on corundum from Acta Crystallographica A38 (1982) 733-739
               2-THETA      INTENSITY    D-SPACING   H   K   L   Multiplicity
                11.05         17.06        8.0081    1   0   0         2
                17.69         28.90        5.0129   -1   0   2         2
                18.39          4.26        4.8250    0   1   1         4
                19.18          1.77        4.6281    1   1   0         4
                19.23          2.30        4.6162   -1   1   1         4
                19.33          4.73        4.5913    0   0   2         2
                22.20          6.62        4.0041    2   0   0         2
                22.37         27.26        3.9735   -2   0   2         2
                23.57          2.84        3.7752    1   1   1         4
                25.52         25.72        3.4903   -2   1   1         4
                26.17         18.25        3.4046    1   0   2         2
                27.85         13.43        3.2030    2   0   1         2
                29.18          2.48        3.0609    0   0   3         2
                30.62          2.21        2.9193   -3   0   1         2
                30.72         26.58        2.9103   -3   0   2         2
                30.79        100.00        2.9041   -1   1   3         4
                31.55         31.21        2.8355    0   2   0         2
                32.09         12.72        2.7889    2   1   1         4
                32.34          1.92        2.7683   -2   1   3         4
                33.26         27.98        2.6936    0   1   3         4
                33.53         30.97        2.6729    1   2   0         4
                33.57         19.03        2.6694    3   0   0         2
                33.84          1.12        2.6490   -3   0   3         2
                34.56         43.18        2.5955   -3   1   1         4
                34.64          1.48        2.5893   -3   1   2         4
                35.49         21.62        2.5295    2   0   2         2
                35.79          6.94        2.5089   -1   0   4         2
                36.40         18.14        2.4680   -1   2   2         4
                37.27         25.51        2.4125    0   2   2         4
                37.47         26.30        2.4001   -3   1   3         4
                37.67          5.81        2.3879   -2   2   1         4
                38.92          1.63        2.3140    2   2   0         4
                38.99          2.18        2.3101    2   1   2         4
                39.02         17.82        2.3081   -2   2   2         4
                39.09          6.36        2.3046    1   1   3         4
                39.27          1.33        2.2944   -1   1   4         4
                39.30          3.08        2.2925   -2   1   4         4
                39.34          2.50        2.2901   -3   0   4         2
                41.44          1.63        2.1788    1   2   2         4
                41.57          6.26        2.1726   -1   2   3         4
                41.88         16.66        2.1573   -4   0   1         2
                42.07          2.06        2.1477   -4   0   3         2
                42.48          2.95        2.1279    0   1   4         4
                42.58         19.34        2.1231    2   2   1         4
                42.78         18.21        2.1140   -2   2   3         4
                43.51         15.38        2.0801    0   2   3         4
                43.90          1.21        2.0625   -4   1   2         4
                44.26          7.24        2.0463    2   0   3         2
                44.55          4.06        2.0340   -3   2   1         4
                45.30          6.60        2.0020    4   0   0         2
                46.53          1.50        1.9516   -3   0   5         2
                47.22          3.69        1.9248    2   1   3         4
                48.21          6.88        1.8876    2   2   2         4
                48.42          5.42        1.8801    1   1   4         4
                48.45          6.21        1.8790   -1   2   4         4
                48.47         13.89        1.8779   -2   2   4         4
                48.61          1.80        1.8729   -1   1   5         4
                48.93          2.35        1.8615    3   1   2         4
                49.55          1.41        1.8398    1   3   0         4
                51.20          5.07        1.7842    0   2   4         4
                51.80          5.11        1.7648   -5   0   2         2
                52.37          1.82        1.7472    0   1   5         4
                52.43          4.26        1.7451   -4   2   2         4
                52.65          3.24        1.7386   -2   3   1         4
                53.82          7.54        1.7033   -4   1   5         4
                53.85          2.40        1.7023    2   0   4         2
                54.26          2.56        1.6906   -2   0   6         2
                54.45          2.01        1.6851   -5   1   2         4
                54.55          1.41        1.6822   -5   1   3         4
                54.95          2.65        1.6710   -3   0   6         2
                55.71         11.32        1.6500   -1   3   3         4
                55.94          1.56        1.6436    1   0   5         2
                56.16         13.18        1.6378   -1   0   6         2
                56.25          4.66        1.6355    4   2   0         4
                56.31         10.44        1.6337   -5   1   1         4
                56.44          2.16        1.6304    2   1   4         4
                56.44          9.08        1.6304    1   2   4         4
                56.53          2.07        1.6280    2   3   1         4
                56.56         21.45        1.6271   -4   2   4         4
                56.61          1.24        1.6259   -5   1   4         4
                56.83          1.22        1.6201   -2   1   6         4
                56.90          8.18        1.6182    3   2   2         4
                57.28          4.38        1.6083    0   3   3         4
                58.14          9.68        1.5867   -3   3   1         4
                58.17         11.99        1.5859   -4   0   6         2
                58.20          1.04        1.5853   -3   3   2         4
                58.46          5.67        1.5786    1   1   5         4
                60.02          3.14        1.5413    5   1   0         4
                60.03          6.27        1.5412    4   1   2         4
                60.13          4.27        1.5387   -3   3   3         4
                60.49          1.76        1.5304    0   0   6         2
                61.35          1.92        1.5110   -4   2   5         4
                61.93          1.04        1.4983   -5   2   2         4
                62.97          1.04        1.4761   -6   0   3         2
                63.66          1.32        1.4618   -5   2   1         4
                63.67          1.35        1.4614   -5   0   6         2
                63.77          3.33        1.4595    2   2   4         4
                63.77          2.29        1.4594    3   0   4         2
                63.93         11.27        1.4562   -5   2   4         4
                63.98          5.09        1.4552   -6   0   4         2
                64.13          6.73        1.4521   -2   2   6         4
                64.76          7.85        1.4396   -3   2   6         4
                65.74          1.66        1.4204    4   0   3         2
                65.88         23.93        1.4178    0   4   0         2
                66.32          1.14        1.4095   -6   1   4         4
                66.52          5.03        1.4056    2   1   5         4
                66.95          1.41        1.3977   -2   1   7         4
                67.12          2.76        1.3945    5   2   0         4
                67.12         16.36        1.3945    4   2   2         4
                68.41          2.18        1.3714    1   3   4         4
                68.62          1.27        1.3677   -6   1   1         4
                69.84          3.84        1.3468    0   2   6         4
                69.99          2.33        1.3442    5   0   2         2
                70.53          1.35        1.3353   -2   4   2         4
                72.14          1.19        1.3093   -6   2   3         4
                72.18          1.28        1.3088    1   4   2         4
                72.80          1.96        1.2990   -5   2   6         4
                72.87          2.41        1.2981   -4   3   5         4
                72.89          4.21        1.2978   -6   2   2         4
                72.98          1.21        1.2964    2   4   1         4
                73.09          3.24        1.2946   -6   2   4         4
                73.40          1.09        1.2900   -5   3   2         4
                74.12          1.33        1.2792    3   0   5         2
                74.20          1.64        1.2781    0   1   7         4
                74.44          3.11        1.2746   -3   4   2         4
                74.75          4.23        1.2700    4   2   3         4
                74.78          3.37        1.2695   -3   0   8         2
                74.99          5.16        1.2665   -5   3   1         4
                75.11          1.42        1.2648    4   0   4         2
                75.30          2.05        1.2620   -6   2   1         4
                75.37          1.36        1.2611    2   0   6         2
                75.71          3.03        1.2562   -6   2   5         4
                75.84          1.14        1.2544   -2   0   8         2
                75.92          1.17        1.2533    1   2   6         4
                76.01          2.80        1.2521    3   4   0         4
                76.86          2.47        1.2403    1   3   5         4
                77.12          4.51        1.2367    2   4   2         4
                77.30          1.25        1.2343   -1   4   4         4
                78.23          1.38        1.2220    5   3   0         4
                78.23          2.26        1.2219    4   3   2         4
                79.33          2.63        1.2077   -6   1   7         4
                79.34          1.16        1.2076    6   2   0         4
                79.51          1.06        1.2055   -3   4   4         4
                79.94          1.43        1.2000   -6   2   6         4
                80.71          2.26        1.1906    0   2   7         4
                81.19          2.10        1.1848   -4   4   1         4
                83.56          1.39        1.1570    4   4   0         4
                84.11          2.43        1.1509    2   3   5         4
                84.64          1.67        1.1451   -6   0   8         2
                86.51          1.40        1.1250    0   1   8         4
                86.86          2.15        1.1214    7   1   0         4
                87.60          1.88        1.1138   -1   2   8         4
                87.66          2.46        1.1132   -7   1   7         4
                87.76          2.21        1.1122   -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.