Punkaruaivite
      Yakovenchuk V N, Ivanyuk G Y, Pakhomovsky Y A, Selivanova E A, Men'shikov Y P,
      Korchak J A, Krivovichev S V, Spiridonova D V, Zalkind O A
      The Canadian Mineralogist 48 (2010) 41-50
      Punkaruaivite, LiTi2[Si4O11(OH)]2*H2O, a new mineral species from hydrothermal
      assemblages, Khibiny and Lovozero alkaline massifs, Kola Peninsula, Russia
      Locality: Khibiny and Lovozero alkaline massifs, Kola Peninsula, Russia
      _database_code_amcsd 0006314

      CELL PARAMETERS:   26.6880   8.7568   5.2188   90.000   91.189   90.000
      SPACE GROUP: C2/c      
      X-RAY WAVELENGTH:     1.541838
      Cell Volume:   1219.379
      Density (g/cm3):      2.524
      MAX. ABS. INTENSITY / VOLUME**2:      25.75763516    
      RIR:      3.323
      RIR based on corundum from Acta Crystallographica A38 (1982) 733-739
               2-THETA      INTENSITY    D-SPACING   H   K   L   Multiplicity
                 6.63        100.00       13.3411    2   0   0         2
                10.63          6.25        8.3202    1   1   0         4
                13.27          1.41        6.6706    4   0   0         2
                14.19         23.90        6.2400    3   1   0         4
                19.48          5.07        4.5569    5   1   0         4
                20.03         21.22        4.4333   -1   1   1         4
                20.15          5.85        4.4076    1   1   1         4
                20.28         11.45        4.3784    0   2   0         2
                21.36          2.27        4.1601    2   2   0         4
                22.37         15.02        3.9744    3   1   1         4
                25.49         16.27        3.4950    7   1   0         4
                26.19          4.60        3.4025    5   1   1         4
                27.51          3.04        3.2425    2   2   1         4
                29.65         32.00        3.0127   -4   2   1         4
                31.87          9.53        2.8081    9   1   0         4
                32.28          1.87        2.7734    3   3   0         4
                33.24          2.68        2.6951   -6   2   1         4
                33.68          3.99        2.6608    6   2   1         4
                34.91          1.11        2.5704   -2   0   2         2
                35.19          4.65        2.5504    2   0   2         2
                35.36          1.92        2.5383   -1   3   1         4
                37.27          5.32        2.4127    4   0   2         2
                38.31          2.46        2.3494    8   2   1         4
                40.13          1.21        2.2470    5   1   2         4
                42.48          2.93        2.1279   -7   3   1         4
                43.04          2.35        2.1018  -10   2   1         4
                43.69          3.80        2.0718    7   1   2         4
                45.50          1.00        1.9936    2   4   1         4
                46.78          1.73        1.9419   -9   3   1         4
                46.92          3.07        1.9365   -4   4   1         4
                48.45          1.45        1.8789  -13   1   1         4
                49.43          1.11        1.8438   -6   4   1         4
                49.64          1.10        1.8367   -5   3   2         4
                51.78          1.52        1.7656  -11   3   1         4
                53.13          1.56        1.7239   11   1   2         4
                55.02          1.03        1.6691    3   1   3         4
                55.30          1.33        1.6612    2   4   2         4
                56.97          2.13        1.6164    0   2   3         4
                57.28          2.01        1.6083   -2   2   3         4
                57.37          3.01        1.6062  -13   3   1         4
                58.77          1.06        1.5712   13   1   2         4
                59.23          1.70        1.5600   12   4   0         4
                63.30          1.11        1.4692    3   3   3         4
                64.16          1.61        1.4516   15   3   1         4
                66.44          1.31        1.4071   -5   5   2         4
                70.16          1.45        1.3414  -17   1   2         4
                70.83          1.45        1.3303   17   3   1         4
                76.24          1.08        1.2488    4   6   2         4
================================================================================
       XPOW Copyright 1993 Bob Downs, Ranjini Swaminathan and Kurt Bartelmehs
  For reference, see Downs et al. (1993) American Mineralogist 78, 1104-1107.