Quadruphite
      Sokolova E V, Hawthorne F C
      The Canadian Mineralogist 39 (2001) 1275-1294
      The crystal chemistry of the [M3_11-14] trimeric structures:
      From hyperagpaitic complexes to saline lakes
      _database_code_amcsd 0005739

      CELL PARAMETERS:    5.4206   7.0846  20.3641   86.890   94.420   89.940
      SPACE GROUP: P1        
      X-RAY WAVELENGTH:     1.541838
      Cell Volume:    778.553
      Density (g/cm3):      3.122
      MAX. ABS. INTENSITY / VOLUME**2:      7.493133108    
      RIR:      0.782
      RIR based on corundum from Acta Crystallographica A38 (1982) 733-739
               2-THETA      INTENSITY    D-SPACING   H   K   L   Multiplicity
                 4.36        100.00       20.2734    0   0   1         1
                 8.72         11.88       10.1367    0   0   2         1
                12.51          1.04        7.0741    0   1   0         1
                13.10          6.96        6.7578    0   0   3         1
                13.48         20.00        6.5687    0  -1   1         1
                14.88          1.58        5.9554    0   1   2         1
                15.66         17.10        5.6582    0  -1   2         1
                16.65          1.44        5.3254   -1   0   1         1
                17.50          3.29        5.0683    0   0   4         1
                17.65          2.30        5.0252    0   1   3         1
                18.65          6.99        4.7587    0  -1   3         1
                19.20          2.62        4.6230    1   0   2         1
                20.23          3.89        4.3893   -1   0   3         1
                20.63         21.17        4.3055    1   1   0         1
                20.74          4.46        4.2837   -1   1   0         1
                20.79          2.54        4.2734   -1   1   1         1
                20.97          8.25        4.2360   -1  -1   1         1
                21.00          6.30        4.2306    0   1   4         1
                21.60         25.79        4.1135    1  -1   1         1
                21.84          3.57        4.0701    1   0   3         1
                21.92          2.73        4.0547    0   0   5         1
                22.13          3.78        4.0177    0  -1   4         1
                22.20          2.96        4.0039   -1  -1   2         1
                22.67          5.17        3.9230    1   1   2         1
                23.11          1.99        3.8482   -1   0   4         1
                23.29          9.20        3.8189    1  -1   2         1
                23.52          2.67        3.7828   -1   1   3         1
                24.19          5.06        3.6787   -1  -1   3         1
                24.71         11.50        3.6035    0   1   5         1
                24.83          2.76        3.5853    1   1   3         1
                25.18          2.68        3.5370    0   2   0         1
                25.32          2.17        3.5170    0   2   1         1
                25.65          2.24        3.4731    1  -1   3         1
                25.92          5.97        3.4379    0  -1   5         1
                25.94          2.53        3.4351   -1   1   4         1
                26.38         11.49        3.3789    0   0   6         1
                26.79          2.60        3.3283   -1  -1   4         1
                27.56          1.97        3.2364    1   1   4         1
                27.82          4.69        3.2064    0   2   3         1
                28.86          4.91        3.0939   -1   1   5         1
                29.13         17.87        3.0659    0  -2   3         1
                30.01         17.36        2.9777    0   2   4         1
                30.27          3.14        2.9524   -1   2   0         1
                30.44          2.64        2.9368    1   2   1         1
                30.47          9.54        2.9340   -1  -2   1         1
                30.79          7.15        2.9038   -1   2   2         1
                30.87         67.46        2.8962    0   0   7         1
                30.99          2.29        2.8858    1  -2   1         1
                31.39          1.49        2.8498    1   2   2         1
                31.45         14.57        2.8447   -1  -2   2         1
                31.63          1.64        2.8291    0  -2   4         1
                31.79          3.36        2.8153    1  -1   5         1
                32.00          8.24        2.7970   -1   2   3         1
                32.16          3.39        2.7835   -1   1   6         1
                32.31          5.29        2.7705    1   0   6         1
                32.32          1.82        2.7702    1  -2   2         1
                32.93          5.58        2.7198    1   2   3         1
                33.02         39.26        2.7131   -1  -2   3         1
                33.10         28.10        2.7060   -2   0   1         1
                33.15         33.95        2.7022    2   0   0         1
                33.24          3.16        2.6955   -1  -1   6         1
                33.77         47.82        2.6544   -1   2   4         1
                33.80          9.25        2.6518    2   0   1         1
                33.97         11.23        2.6390   -1   0   7         1
                34.19         27.12        2.6225    1  -2   3         1
                34.19          2.87        2.6222    1   1   6         1
                35.00         19.49        2.5640    1   2   4         1
                35.02          5.62        2.5622    2   0   2         1
                35.35          1.74        2.5392    1  -1   6         1
                35.74          1.18        2.5126    0   2   6         1
                35.75          1.32        2.5116   -1   1   7         1
                36.31          5.98        2.4744    1   0   7         1
                36.54          1.78        2.4591    1  -2   4         1
                36.76          7.20        2.4448    2   0   3         1
                36.91          2.77        2.4353   -1  -1   7         1
                37.50          3.97        2.3980    1   2   5         1
                37.93          2.04        2.3721    1   1   7         1
                38.38          1.17        2.3455    0  -1   8         1
                38.59          1.21        2.3333   -2   0   5         1
                38.68          4.24        2.3277    0  -3   1         1
                38.96          3.66        2.3115    2   0   4         1
                39.15          2.05        2.3008    1  -1   7         1
                39.29          1.95        2.2930    1  -2   5         1
                40.03          3.90        2.2526    0   0   9         1
                40.39          1.58        2.2330    1   2   6         1
                40.71          1.00        2.2165    2   1   4         1
                41.13          1.20        2.1946   -2   0   6         1
                41.57          2.53        2.1725    2   0   5         1
                41.97          2.43        2.1527    2   2   0         1
                42.00          3.50        2.1513   -2   2   1         1
                42.69          2.04        2.1180   -2  -2   2         1
                42.75          1.10        2.1153    0   2   8         1
                42.76          1.35        2.1148   -2   1   6         1
                43.75          2.97        2.0690   -1  -2   7         1
                43.77          9.25        2.0682   -2  -2   3         1
                44.03          8.42        2.0568    2  -2   2         1
                44.03          8.98        2.0566   -2   0   7         1
                44.16          1.62        2.0508   -1  -3   3         1
                44.34          7.60        2.0432   -2   2   4         1
                44.52          2.04        2.0351    2   0   6         1
                44.53          8.16        2.0346    2   2   3         1
                44.70          1.49        2.0273    0   0  10         1
                44.77          1.96        2.0244    1   0   9         1
                45.06          1.45        2.0121   -1   2   8         1
                45.14          1.05        2.0086    1  -3   3         1
                45.70          1.22        1.9851    0   3   6         1
                45.88          4.32        1.9777   -1  -3   4         1
                46.02          1.50        1.9722   -2   2   5         1
                46.04          1.27        1.9715   -1   3   5         1
                46.62          1.94        1.9483   -1   0  10         1
                47.10          1.35        1.9295    1  -3   4         1
                47.24          2.88        1.9241   -2   0   8         1
                47.25          2.14        1.9237   -1  -2   8         1
                47.77          8.78        1.9038    2   0   7         1
                48.64          3.00        1.8718   -1   2   9         1
                49.13          1.04        1.8546   -1  -1  10         1
                49.56          1.39        1.8392    1   3   6         1
                50.00          1.74        1.8242    2  -2   5         1
                50.49          1.58        1.8077    0   1  11         1
                50.66          2.09        1.8018    0   2  10         1
                50.69          2.26        1.8010   -1   3   7         1
                50.99          2.82        1.7912   -1  -2   9         1
                51.29          3.14        1.7811    2   0   8         1
                51.34          2.06        1.7795   -2   3   1         1
                51.45          1.10        1.7760   -2  -3   1         1
                51.53          1.54        1.7734   -2   3   2         1
                51.63         25.44        1.7702    0   4   1         1
                52.00          1.07        1.7585    0   4   2         1
                52.04          3.54        1.7574   -2  -3   2         1
                52.23          2.27        1.7515    2  -3   1         1
                52.45          1.12        1.7445    2   1   8         1
                52.46          4.48        1.7442   -1   2  10         1
                52.58          1.34        1.7405   -3  -1   2         1
                53.29         10.30        1.7189    0  -2  10         1
                53.52          1.28        1.7122   -1   3   8         1
                53.76          1.27        1.7051    3   1   2         1
                54.09          1.13        1.6954   -3   1   4         1
                54.59          2.50        1.6812    0  -3   8         1
                54.91         12.02        1.6722    0   2  11         1
                54.94          1.83        1.6713   -1  -2  10         1
                55.05          3.13        1.6680    2   0   9         1
                55.19          1.43        1.6641   -2  -2   8         1
                55.27          1.09        1.6620    1   3   8         1
                55.58          1.14        1.6534    3  -1   3         1
                56.49          2.98        1.6289   -1   2  11         1
                56.64          1.32        1.6251    2   3   5         1
                57.25          2.76        1.6093   -3  -2   1         1
                57.27          3.19        1.6087   -3   2   1         1
                57.27          3.18        1.6087    3   2   0         1
                57.34          3.68        1.6068    1  -2  10         1
                57.39          4.08        1.6055   -3   2   2         1
                57.54          1.03        1.6019   -3   2   0         1
                57.91          1.10        1.5924   -3   2   3         1
                58.02          2.32        1.5896    0  -4   5         1
                58.18          1.40        1.5856   -3   0   7         1
                58.39          2.35        1.5805   -2   0  11         1
                58.46          2.07        1.5788   -2  -2   9         1
                58.49          1.07        1.5780    3   2   2         1
                58.81          1.93        1.5701   -3   2   4         1
                58.91          3.13        1.5679    1   2  11         1
                59.23          2.19        1.5599    3  -2   2         1
                59.25          1.94        1.5595    0   0  13         1
                59.52          2.53        1.5532   -3  -2   4         1
                59.67          2.26        1.5496    3   2   3         1
                60.04          2.98        1.5410    3   0   6         1
                60.09          1.94        1.5397   -3   2   5         1
                60.39          3.48        1.5329    0  -4   6         1
                60.64          1.38        1.5270    3  -2   3         1
                60.73          1.45        1.5250   -3   0   8         1
                61.61          1.01        1.5053    1  -2  11         1
                61.98          2.77        1.4972   -2  -2  10         1
                62.30          2.27        1.4903   -1  -4   6         1
                62.37          3.53        1.4889    0   4   8         1
                62.60          3.03        1.4839    2  -2   9         1
                62.63          2.73        1.4833    2   4   0         1
                62.70          4.23        1.4818   -2   4   1         1
                62.80          1.16        1.4797    2   4   1         1
                63.10          1.84        1.4733    1   4   7         1
                63.25          2.33        1.4702    1   2  12         1
                63.34          1.04        1.4684    1   0  13         1
                63.34          1.75        1.4684    2   4   2         1
                63.40          2.63        1.4670   -2   2  11         1
                63.60          1.13        1.4631    2  -4   1         1
                63.76          1.62        1.4597    1  -4   6         1
                63.97          3.78        1.4554    2   2  10         1
                64.20          2.21        1.4507   -1   4   8         1
                64.24          1.13        1.4499    2   4   3         1
                65.42          3.10        1.4266   -1   0  14         1
                65.76          1.53        1.4201   -2  -2  11         1
                66.41          1.15        1.4076    2  -2  10         1
                66.61          1.17        1.4039   -2  -3   9         1
                66.91          1.30        1.3985   -2   4   6         1
                66.92          1.43        1.3983   -2   0  13         1
                67.27          1.39        1.3918   -2   2  12         1
                67.89          1.07        1.3806    3   2   7         1
                68.35          1.90        1.3725    1   0  14         1
                68.66          1.08        1.3669   -1   5   0         1
                69.07          1.35        1.3598   -2  -1  13         1
                69.35          3.38        1.3551   -4   0   1         1
                69.47          1.18        1.3530   -4   0   2         1
                69.73          1.30        1.3485    1  -3  11         1
                69.94          1.47        1.3450   -4   0   3         1
                70.77          2.50        1.3314   -4   0   4         1
                71.02          1.06        1.3272   -2   4   8         1
                72.02          1.83        1.3112    2  -4   6         1
                73.93          1.01        1.2820    2   4   8         1
                76.83          1.30        1.2408    2   4   9         1
                80.78          1.12        1.1897    0  -4  12         1
                82.72          1.07        1.1667   -4   0  10         1
                83.91          1.13        1.1531    3   4   7         1
                85.43          1.07        1.1364    3   0  13         1
                85.61          1.92        1.1345    1  -6   2         1
                86.18          1.34        1.1285   -1  -4  13         1
                86.25          2.07        1.1278   -1   6   5         1
                86.99          1.05        1.1201    1   6   5         1
                88.83          1.19        1.1016    1  -4  13         1
                89.62          1.15        1.0939   -1   4  15         1
                89.97          1.47        1.0905    0   2  18         1
================================================================================
       XPOW Copyright 1993 Bob Downs, Ranjini Swaminathan and Kurt Bartelmehs
  For reference, see Downs et al. (1993) American Mineralogist 78, 1104-1107.