Hellandite-(Y)
      Miyawaki R, Momma K, Yokoyama K, Shigeoka M, Matsubara S, Ito M, Nakai I, Kristiansen R
      The Canadian Mineralogist 53 (2015) 345-356
      Mn-bearing hellandite-(Y) from the Heftetjern pegmatite, Tordal, Norway
      Locality: Heftetjern, Tordal, Telemark, Norway
      _database_code_amcsd 0020232

      CELL PARAMETERS:   18.6090   4.6307  10.1430   90.000  111.475   90.000
      SPACE GROUP: P2/a      
      X-RAY WAVELENGTH:     1.541838
      Cell Volume:    813.371
      Density (g/cm3):      4.059
      MAX. ABS. INTENSITY / VOLUME**2:      10.02037808    
      RIR:      0.804
      RIR based on corundum from Acta Crystallographica A38 (1982) 733-739
               2-THETA      INTENSITY    D-SPACING   H   K   L   Multiplicity
                 9.37          1.94        9.4388    0   0   1         2
                10.22          5.08        8.6586    2   0   0         2
                11.05          6.07        8.0054   -2   0   1         2
                16.23         14.88        5.4618    2   0   1         2
                17.81         11.12        4.9802   -2   0   2         2
                18.80          1.25        4.7194    0   0   2         2
                19.17         59.94        4.6307    0   1   0         2
                19.17          2.03        4.6294   -4   0   1         2
                21.16          3.03        4.1991   -1   1   1         4
                21.76         12.44        4.0834    2   1   0         4
                22.18          3.78        4.0084   -2   1   1         4
                22.21          1.00        4.0027   -4   0   2         2
                24.28          2.06        3.6654   -3   1   1         4
                24.57          1.77        3.6237    2   0   2         2
                25.21          3.12        3.5321    2   1   1         4
                25.59         27.47        3.4816    4   0   1         2
                26.12          2.28        3.4118   -1   1   2         4
                26.28         83.49        3.3912   -2   1   2         4
                26.36          2.40        3.3810   -2   0   3         2
                26.98          7.01        3.3053    0   1   2         4
                27.44          2.14        3.2501   -3   1   2         4
                28.22         52.70        3.1625    4   1   0         4
                28.31         23.76        3.1525   -4   0   3         2
                28.37         13.87        3.1463    0   0   3         2
                28.77          1.08        3.1035    1   1   2         4
                28.85         16.63        3.0950   -6   0   1         2
                29.50         70.29        3.0282   -4   1   2         4
                31.35         75.06        2.8538    2   1   2         4
                32.17        100.00        2.7828    4   1   1         4
                32.28          4.00        2.7735    5   1   0         4
                32.80          2.20        2.7306   -2   1   3         4
                33.58          1.62        2.6685   -6   0   3         2
                33.68          7.86        2.6609    2   0   3         2
                34.41         71.79        2.6060   -4   1   3         4
                34.46         64.52        2.6024    0   1   3         4
                34.55          1.19        2.5957    3   1   2         4
                34.87         75.87        2.5732   -6   1   1         4
                35.58         13.27        2.5230   -2   0   4         2
                35.67          2.18        2.5172   -6   1   2         4
                36.07          1.79        2.4901   -4   0   4         2
                36.69          7.61        2.4494    6   1   0         4
                38.14         18.51        2.3597    0   0   4         2
                38.90         14.54        2.3154    0   2   0         2
                38.91         21.45        2.3147   -8   0   2         2
                38.95          2.99        2.3121   -6   1   3         4
                39.04          3.57        2.3071    2   1   3         4
                39.14          2.41        2.3014   -8   0   1         2
                39.50         11.57        2.2814   -6   0   4         2
                39.98         12.45        2.2552   -1   2   1         4
                40.60         14.28        2.2223   -3   1   4         4
                40.73          1.37        2.2155   -2   1   4         4
                40.92          2.81        2.2055    1   2   1         4
                41.38         15.77        2.1820    7   1   0         4
                42.05          2.84        2.1489    3   2   0         4
                42.09         16.20        2.1468   -7   1   3         4
                42.19         18.16        2.1419    3   1   3         4
                42.26         16.28        2.1383    6   0   2         2
                42.37          1.46        2.1335    5   1   2         4
                42.40          5.24        2.1320   -5   1   4         4
                42.40          2.80        2.1317    2   2   1         4
                43.02         11.06        2.1025    0   1   4         4
                43.08          3.73        2.0995   -2   2   2         4
                43.72          9.77        2.0704   -8   1   2         4
                43.93          2.97        2.0609   -8   1   1         4
                44.26          3.52        2.0465   -6   1   4         4
                45.24          5.09        2.0042   -4   2   2         4
                45.26          1.42        2.0034   -2   0   5         2
                45.59          2.10        1.9896    7   1   1         4
                46.55          2.00        1.9511    2   2   2         4
                46.79          9.23        1.9414    6   1   2         4
                46.88          2.74        1.9379   -6   0   5         2
                47.14         26.99        1.9280    4   2   1         4
                47.22          3.19        1.9248    5   2   0         4
                48.80         29.53        1.8661   -4   2   3         4
                48.84         25.82        1.8648    0   2   3         4
                48.91          1.95        1.8623    3   2   2         4
                49.14         32.93        1.8540   -6   2   1         4
                49.67          1.65        1.8355   -9   1   3         4
                49.94          3.09        1.8261  -10   0   1         2
                49.96          4.41        1.8254  -10   0   3         2
                50.10          5.32        1.8206    6   0   3         2
                50.36          7.67        1.8119    4   0   4         2
                50.68          2.04        1.8013   -1   1   5         4
                51.09          4.29        1.7877   -6   1   5         4
                51.26         13.18        1.7822   -8   0   5         2
                52.31          2.05        1.7488   -6   2   3         4
                52.38          5.32        1.7467    2   2   3         4
                52.56          1.02        1.7413   -7   2   1         4
                52.57         14.30        1.7408    8   0   2         2
                52.87         12.39        1.7317   10   0   0         2
                52.90          1.64        1.7307   -7   1   5         4
                52.90         10.20        1.7306  -10   0   4         2
                53.32          9.92        1.7182    2   0   5         2
                53.73          7.18        1.7059   -2   2   4         4
                53.98          1.09        1.6988  -10   1   1         4
                53.99          2.40        1.6983  -10   1   3         4
                54.09          1.34        1.6956   -4   2   4         4
                54.13          2.06        1.6944    6   1   3         4
                54.26         15.22        1.6905   -4   0   6         2
                54.37         15.78        1.6873    4   1   4         4
                55.23          8.72        1.6632   -8   1   5         4
                55.61         13.38        1.6527    0   2   4         4
                56.19         17.98        1.6370   -8   2   2         4
                56.37          4.53        1.6322   -8   2   1         4
                56.47          5.27        1.6295    8   1   2         4
                56.64         12.25        1.6251   -6   2   4         4
                56.76         22.35        1.6220   10   1   0         4
                56.79         20.47        1.6211  -10   1   4         4
                57.19          8.76        1.6109    2   1   5         4
                57.35          1.47        1.6067    1   2   4         4
                58.09         29.44        1.5880   -4   1   6         4
                58.36          1.92        1.5812    8   2   0         4
                58.56          3.53        1.5763   -8   0   6         2
                58.69          2.59        1.5731    0   0   6         2
                58.69          2.64        1.5731   -7   2   4         4
                58.78         17.44        1.5709    6   2   2         4
                59.18          2.46        1.5612   -2   1   6         4
                59.58          1.41        1.5517    2   2   4         4
                59.76          4.23        1.5475  -12   0   2         2
                59.93          6.23        1.5436    0   3   0         2
                60.23          1.50        1.5365    4   0   5         2
                60.73          1.32        1.5250   -3   2   5         4
                61.33          3.05        1.5116  -12   0   1         2
                61.88          2.44        1.4995  -12   0   4         2
                62.27          1.00        1.4909    3   2   4         4
                62.50          1.08        1.4861   -6   2   5         4
                63.05          3.39        1.4744   -2   3   2         4
                63.64          1.68        1.4622   -3   3   2         4
                63.70          1.28        1.4609    8   1   3         4
                63.72          1.03        1.4606  -10   0   6         2
                63.82          3.82        1.4584    4   1   5         4
                64.04          2.32        1.4539    4   3   0         4
                64.73          4.24        1.4402   -4   3   2         4
                64.89          3.90        1.4370  -12   1   1         4
                65.05          1.40        1.4338  -10   2   1         4
                65.19          2.23        1.4312    6   2   3         4
                65.42          7.47        1.4265  -12   1   4         4
                65.76          4.01        1.4201    2   3   2         4
                66.17          3.48        1.4123   -8   2   5         4
                66.23          6.26        1.4111    4   3   1         4
                66.29          2.50        1.4099    5   3   0         4
                66.67          1.26        1.4028    9   2   1         4
                66.84          1.18        1.3997   -3   3   3         4
                67.15          1.18        1.3940   10   1   2         4
                67.29          5.62        1.3914    8   2   2         4
                67.55          1.61        1.3867   10   2   0         4
                67.57          8.03        1.3863   -4   3   3         4
                67.58          1.47        1.3862  -10   2   4         4
                67.60          7.13        1.3858    0   3   3         4
                67.66          2.01        1.3848    3   3   2         4
                67.85          6.92        1.3813   -6   3   1         4
                67.94          4.51        1.3798    2   2   5         4
                68.76          3.09        1.3653   -4   2   6         4
                68.83          1.08        1.3640    1   3   3         4
                69.74          1.66        1.3484    0   0   7         2
                70.68          1.05        1.3328   -7   3   1         4
                70.85          1.46        1.3300   -7   3   2         4
                70.93          1.13        1.3287  -14   0   3         2
                71.59          1.08        1.3181   -3   3   4         4
                72.12          2.49        1.3097    8   1   4         4
                72.55          2.25        1.3030   -8   2   6         4
                72.66          2.03        1.3012    0   2   6         4
                72.75          1.10        1.2999   12   1   1         4
                73.09          6.57        1.2946    0   1   7         4
                73.62          2.72        1.2866  -12   2   2         4
                74.26          6.61        1.2771  -14   1   3         4
                74.43          5.77        1.2746   10   1   3         4
                74.50          7.49        1.2736  -10   1   7         4
                74.99          3.60        1.2665   -6   0   8         2
                75.05          1.08        1.2657  -12   2   1         4
                76.51          1.03        1.2451   -8   0   8         2
                77.11          2.61        1.2369   14   0   0         2
                77.40          1.05        1.2331    2   2   6         4
                77.56          1.85        1.2309   -2   0   8         2
                78.47          1.42        1.2188    8   0   5         2
                79.04          4.39        1.2114  -14   0   6         2
                79.32          5.12        1.2079    6   0   6         2
                81.68          1.80        1.1788  -10   3   1         4
                81.70          2.00        1.1787  -10   3   3         4
                81.70          1.73        1.1786    8   1   5         4
                81.81          1.61        1.1774    6   3   3         4
                82.01          2.94        1.1750    4   3   4         4
                82.23          3.60        1.1724   14   0   1         2
                82.26          1.78        1.1720  -14   1   6         4
                82.54          2.15        1.1688    6   1   6         4
                82.71          3.65        1.1668   -8   3   5         4
                82.85          6.85        1.1652    0   2   7         4
                83.01          2.96        1.1634   10   1   4         4
                83.51          5.05        1.1577    0   4   0         2
                83.75          1.97        1.1549    8   3   2         4
                83.98          5.65        1.1524  -14   2   3         4
                83.99          4.81        1.1523   10   3   0         4
                84.02          4.24        1.1520  -10   3   4         4
                84.14          5.89        1.1506   10   2   3         4
                84.20          1.19        1.1499   -1   4   1         4
                84.21          7.18        1.1498  -10   2   7         4
                84.35          3.67        1.1482    2   3   5         4
                84.43          2.20        1.1474  -14   2   2         4
                85.11          7.21        1.1399   -4   3   6         4
                85.42          3.32        1.1365   14   1   1         4
                87.86          2.36        1.1112   -6   2   8         4
                87.95          1.08        1.1103  -14   1   7         4
                88.22          4.73        1.1076  -12   1   8         4
                89.14          1.71        1.0985    4   4   1         4
                89.34          1.22        1.0966   -8   2   8         4
                89.92          1.35        1.0910   14   2   0         4
================================================================================
       XPOW Copyright 1993 Bob Downs, Ranjini Swaminathan and Kurt Bartelmehs
  For reference, see Downs et al. (1993) American Mineralogist 78, 1104-1107.