Paratacamite-(Mg)
      Kampf A R, Sciberras M J, Leverett P, Williams P A, Malcherek T, Schluter J,
      Welch M D, Dini M, Donoso A A M
      Mineralogical Magazine 77 (2013) 3113-3124
      Paratacamite-(Mg), Cu3(Mg,Cu)Cl2(OH)6; a new substituted basic copper
      chloride mineral from Camerones, Chile
      Locality: Cuya village, Camarones Valley, Arica Province, Chile
      _database_code_amcsd 0020447

      CELL PARAMETERS:   13.6890  13.6890  14.0250   90.000   90.000  120.000
      SPACE GROUP: R-3       
      X-RAY WAVELENGTH:     1.541838
      Cell Volume:   2276.025
      Density (g/cm3):      3.621
      MAX. ABS. INTENSITY / VOLUME**2:      38.89030553    
      RIR:      3.497
      RIR based on corundum from Acta Crystallographica A38 (1982) 733-739
               2-THETA      INTENSITY    D-SPACING   H   K   L   Multiplicity
                16.23        100.00        5.4599    0   2   1         6
                18.98         24.37        4.6750    0   0   3         2
                19.61          7.11        4.5269    2   0   2         6
                26.04          3.25        3.4223    2   2   0         6
                29.60          4.34        3.0178    0   2   4         6
                30.84         35.24        2.8997    4   0   1         6
                32.42         41.32        2.7614    4  -2   3         6
                32.42         41.05        2.7614    2   2   3         6
                32.81         16.78        2.7300    0   4   2         6
                38.51         11.38        2.3375    0   0   6         2
                39.83         71.37        2.2635    4   0   4         6
                40.79          1.55        2.2123   -2   6   1         6
                40.79          1.51        2.2123    2   4   1         6
                44.47         14.13        2.0372    0   4   5         6
                47.93         10.31        1.8981    0   2   7         6
                50.12          5.42        1.8200    0   6   3         6
                50.12         19.00        1.8200    6   0   3         6
                52.26          1.54        1.7505    4   2   5         6
                52.26          1.55        1.7505    6  -2   5         6
                53.56         30.55        1.7111    4   4   0         6
                54.59          1.01        1.6811    2   0   8         6
                55.35          5.61        1.6599    4   0   7         6
                56.35          2.65        1.6328    6   2   1         6
                56.35          2.63        1.6328    8  -2   1         6
                57.34          2.17        1.6069    8  -4   3         6
                57.34          2.19        1.6069    4   4   3         6
                57.59          1.38        1.6006   -2   8   2         6
                57.59          1.38        1.6006    2   6   2         6
                61.45          1.13        1.5090    0   6   6         6
                61.45          7.78        1.5089    0   4   8         6
                62.15          5.57        1.4935    2   4   7         6
                62.15          5.54        1.4935   -2   6   7         6
                63.08          4.77        1.4737    0   8   1         6
                64.24          4.67        1.4499    8   0   2         6
                65.86          1.39        1.4182    4  -2   9         6
                65.86          1.39        1.4182    2   2   9         6
                67.88          7.21        1.3807    8  -4   6         6
                67.88          7.22        1.3807    4   4   6         6
                67.89          1.43        1.3807    4   2   8         6
                67.89          1.43        1.3807    6  -2   8         6
                68.77          8.30        1.3650    0   8   4         6
                69.44          1.96        1.3535   -4  10   1         6
                69.44          1.95        1.3535    4   6   1         6
                72.08          2.93        1.3103    8   0   5         6
                74.69          1.41        1.2709    8  -2   7         6
                74.69          1.41        1.2709    6   2   7         6
                74.91          6.60        1.2677    4   0  10         6
                76.40          2.62        1.2467   -2  10   3         6
                76.40          2.64        1.2467    2   8   3         6
                76.40          1.56        1.2467   10  -2   3         6
                76.40          1.56        1.2467    8   2   3         6
                82.33          3.09        1.1712    0   4  11         6
                85.87          1.57        1.1317    8   0   8         6
                86.50          1.07        1.1252    4   6   7         6
                86.50          1.07        1.1252   -4  10   7         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.