Alcantarillaite
      Grey I E, Hochleitner R, Rewitzer C, Riboldi-Tunnicliffe A, Kampf A R,
      MacRae C M, Mumme W G, Kaliwoda M, Friis H, Martin C U
      Mineralogical Magazine 84 (2020) 412-419
      The walentaite group and the description of a new member, alcantarillaite,
      from the Alcantarilla mine, Belalcazar, Cordoba, Andalusia, Spain
      Locality: Alcantarilla mine, Cordoba, Andalusia, Spain
      _database_code_amcsd 0020949

      CELL PARAMETERS:   24.0380   7.4440  10.3870   90.000   90.000   90.000
      SPACE GROUP: Imma      
      X-RAY WAVELENGTH:     1.541838
      Cell Volume:   1858.638
      Density (g/cm3):      3.146
      MAX. ABS. INTENSITY / VOLUME**2:      65.13324831    
      RIR:      6.740
      RIR based on corundum from Acta Crystallographica A38 (1982) 733-739
               2-THETA      INTENSITY    D-SPACING   H   K   L   Multiplicity
                 7.36        100.00       12.0190    2   0   0         2
                 9.28          7.73        9.5349    1   0   1         4
                13.96         20.56        6.3443    3   0   1         4
                14.64         16.32        6.0506    0   1   1         4
                18.61          4.26        4.7675    2   0   2         4
                20.83          5.37        4.2638    4   1   1         8
                25.05          1.69        3.5554    2   2   0         4
                27.35          1.11        3.2604    7   0   1         4
                27.79          1.63        3.2103    3   2   1         8
                27.99          2.45        3.1881    5   1   2         8
                28.13          9.71        3.1722    6   0   2         4
                28.43          2.02        3.1394    0   1   3         4
                29.53         24.68        3.0253    0   2   2         4
                30.47          6.94        2.9338    2   2   2         8
                32.17          1.18        2.7826    4   1   3         8
                32.84          3.07        2.7268    6   2   0         4
                33.29          3.45        2.6912    8   1   1         8
                34.48          5.55        2.6008    8   0   2         4
                34.54          2.21        2.5968    0   0   4         2
                35.36          1.04        2.5382    2   0   4         4
                38.51          1.26        2.3380    8   2   0         4
                42.76          3.06        2.1148    9   0   3         4
                44.94          1.68        2.0169    0   3   3         4
                48.40          2.71        1.8805    6   2   4         8
                48.94          2.00        1.8610    0   4   0         2
                52.68          2.54        1.7375    8   2   4         8
                61.83          1.40        1.5006    9   2   5         8
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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.