Leverettite
      Kampf A R, Sciberras M J, Williams P A, Dini M, Molina Donoso A A
      Mineralogical Magazine 77 (2013) 3047-3054
      Leverettite from the Torrecillas mine, Iquique Provence, Chile:
      the Co-analogue of herbertsmithite
      Locality: Torrecillas mine, Iquique Provence, Chile
      _database_code_amcsd 0019986

      CELL PARAMETERS:    6.8436   6.8436  14.0637   90.000   90.000  120.000
      SPACE GROUP: R-3m      
      X-RAY WAVELENGTH:     1.541838
      Cell Volume:    570.426
      Density (g/cm3):      3.694
      MAX. ABS. INTENSITY / VOLUME**2:      44.26992338    
      RIR:      3.903
      RIR based on corundum from Acta Crystallographica A38 (1982) 733-739
               2-THETA      INTENSITY    D-SPACING   H   K   L   Multiplicity
                16.23        100.00        5.4616    1   0   1         6
                18.93         19.82        4.6879    0   0   3         2
                19.59          3.68        4.5318    0   1   2         6
                26.04          4.47        3.4218    1   1   0         6
                29.54          2.54        3.0239    1   0   4         6
                30.84         26.66        2.8997    0   2   1         6
                32.39         79.90        2.7638    1   1   3        12
                32.80         17.36        2.7308    2   0   2         6
                38.40         11.06        2.3440    0   0   6         2
                39.78         64.81        2.2659    0   2   4         6
                40.79          3.69        2.2122    2   1   1        12
                44.41         10.42        2.0401    2   0   5         6
                47.80         10.24        1.9027    1   0   7         6
                50.11         17.84        1.8205    0   3   3         6
                50.11          5.45        1.8205    3   0   3         6
                52.20          3.31        1.7523    1   2   5        12
                53.56         27.39        1.7109    2   2   0         6
                55.24          4.48        1.6629    0   2   7         6
                56.35          5.36        1.6327    1   3   1        12
                57.33          3.14        1.6072    2   2   3        12
                57.58          1.86        1.6006    3   1   2        12
                61.31          7.15        1.5119    2   0   8         6
                61.37          1.20        1.5106    3   0   6         6
                62.05         10.46        1.4957    2   1   7        12
                63.09          3.64        1.4735    4   0   1         6
                64.24          4.50        1.4498    0   4   2         6
                65.69          2.84        1.4214    1   1   9        12
                67.76          2.00        1.3830    1   2   8        12
                67.82         13.43        1.3819    2   2   6        12
                68.75          7.50        1.3654    4   0   4         6
                69.45          3.83        1.3534    3   2   1        12
                72.04          2.19        1.3109    0   4   5         6
                74.60          2.74        1.2722    1   3   7        12
                74.71          6.10        1.2705    0   2  10         6
                76.39          3.00        1.2467    1   4   3        12
                76.39          4.92        1.2467    4   1   3        12
                82.10          2.42        1.1739    2   0  11         6
                83.85          1.03        1.1538    2   2   9        12
                85.76          1.46        1.1329    0   4   8         6
                86.41          2.10        1.1261    3   2   7        12
                88.37          1.11        1.1061    4   2   2        12
================================================================================
       XPOW Copyright 1993 Bob Downs, Ranjini Swaminathan and Kurt Bartelmehs
  For reference, see Downs et al. (1993) American Mineralogist 78, 1104-1107.