Tveitite
      Yakubovich O V, Massa W, Pekov I V, Gavrilenko P G
      Crystallography Reports 52 (2007) 71-79
      Crystal structure of tveitite-(Y): fractionation of rare-earth elements
      between positions and the variety of defects
      Locality: Rov-Gora Mountain, West Keivy, Kola Peninsula, Russia
      _database_code_amcsd 0012393

      CELL PARAMETERS:   17.0200  17.0200   9.6790   90.000   90.000  120.000
      SPACE GROUP: R-3       
      X-RAY WAVELENGTH:     1.541838
      Cell Volume:   2428.177
      Density (g/cm3):      3.879
      MAX. ABS. INTENSITY / VOLUME**2:      40.62216249    
      RIR:      3.410
      RIR based on corundum from Acta Crystallographica A38 (1982) 733-739
               2-THETA      INTENSITY    D-SPACING   H   K   L   Multiplicity
                10.94         13.66        8.0906    1   0   1         6
                18.05          5.95        4.9133    3   0   0         6
                19.30          5.98        4.5980    0   1   2         6
                20.88          6.10        4.2550    2   2   0         6
                21.97          1.04        4.0453    2   0   2         6
                23.62          2.60        3.7659   -1   4   1         6
                27.65         33.99        3.2263    0   0   3         2
                27.95          3.05        3.1923    5  -2   1         6
                27.95         96.95        3.1923    3   2   1         6
                32.30         17.87        2.7719   -2   5   2         6
                33.48          1.55        2.6769   -2   6   1         6
                34.90          1.66        2.5709    4  -2   3         6
                38.29          1.11        2.3507    4   3   1         6
                39.56          1.04        2.2779   -1   5   3         6
                41.68          1.18        2.1668   -3   7   2         6
                42.43          2.10        2.1303    6  -3   3         6
                44.01          1.14        2.0576    3   5   1         6
                44.44          1.25        2.0386    7  -1   2         6
                45.35          1.19        1.9999    6   2   1         6
                46.13         56.38        1.9678    3   2   4         6
                46.52         56.37        1.9523    1   7   0         6
                47.06          1.49        1.9308    0   7   2         6
                47.36          1.82        1.9193    0   1   5         6
                49.19          1.20        1.8523    5   4   1         6
                54.63         15.05        1.6800   -2   5   5         6
                54.97         14.09        1.6703    1   7   3         6
                54.97         14.17        1.6703    8  -1   3         6
                55.14         13.61        1.6655   -4  10   1         6
                57.10          1.17        1.6132    0   0   6         2
                57.76          3.13        1.5962    6   4   2         6
                67.59         12.39        1.3860   -4  10   4         6
                74.08          4.46        1.2799    3   2   7         6
                74.51          4.82        1.2734    6   4   5         6
                74.95          4.41        1.2671    4   9   1         6
                74.95          4.35        1.2671   11   1   1         6
                76.62          1.26        1.2436    1   7   6         6
                76.62          1.23        1.2436    8  -1   6         6
                77.20          1.26        1.2357   -1  12   2         6
                77.20          1.23        1.2357   13  -4   2         6
                85.18          5.72        1.1392   -2   5   8         6
                86.02          5.21        1.1301    4   9   4         6
                86.02          5.26        1.1301   11   1   4         6
                86.30          1.77        1.1272    9   6   0         6
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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.