Lucabindiite
      Garavelli A, Mitolo D, Pinto D, Vurro F
      American Mineralogist 98 (2013) 470-477
      Lucabindiite, (K,NH4)As4O6(Cl,Br), a new fumarole mineral from
      the "La Fossa" crater at Vulcano, Aeolian Islands, Italy
      Locality: La Fossa crater at Vulcano, Aeolian Islands, Italy
      _database_code_amcsd 0019797

      CELL PARAMETERS:    5.2386   5.2386   9.0140   90.000   90.000  120.000
      SPACE GROUP: P6/mmm    
      X-RAY WAVELENGTH:     1.541838
      Cell Volume:    214.229
      Density (g/cm3):      3.633
      MAX. ABS. INTENSITY / VOLUME**2:      52.74002448    
      RIR:      4.727
      RIR based on corundum from Acta Crystallographica A38 (1982) 733-739
               2-THETA      INTENSITY    D-SPACING   H   K   L   Multiplicity
                 9.81         16.37        9.0140    0   0   1         2
                19.57         31.62        4.5368    1   0   0         6
                19.70         53.36        4.5070    0   0   2         2
                27.90        100.00        3.1974    1   0   2        12
                29.73          4.46        3.0047    0   0   3         2
                34.23         65.53        2.6193    1   1   0         6
                35.70         13.80        2.5153    1   1   1        12
                35.85         10.99        2.5051    1   0   3        12
                39.80         19.69        2.2646    1   1   2        12
                40.01          4.11        2.2535    0   0   4         2
                41.03          2.49        2.1998    2   0   1        12
                44.73          7.86        2.0262    2   0   2        12
                45.97         27.63        1.9744    1   1   3        12
                50.41         15.09        1.8104    2   0   3        12
                50.63          3.25        1.8028    0   0   5         2
                53.43          4.11        1.7147    2   1   0        12
                53.65          8.25        1.7083    1   1   4        12
                54.79          3.08        1.6754    1   0   5        12
                57.50         17.61        1.6027    2   1   2        24
                61.30          9.69        1.5123    3   0   0         6
                62.25          2.15        1.4914    3   0   1        12
                62.35          4.11        1.4893    2   1   3        24
                62.55         19.07        1.4850    1   1   5        12
                65.06          4.73        1.4337    3   0   2        12
                66.22          5.43        1.4114    2   0   5        12
                69.60          6.40        1.3508    3   0   3        12
                72.12          8.74        1.3096    2   2   0         6
                75.57          1.32        1.2583    3   1   0        12
                75.61          5.32        1.2576    2   2   2        12
                75.75          2.22        1.2557    3   0   4        12
                76.70          2.09        1.2425    2   1   5        24
                76.97          1.55        1.2388    1   0   7        12
                79.00          5.17        1.2119    3   1   2        24
                79.90          1.80        1.2006    2   2   3        12
                83.25          1.61        1.1606    3   1   3        24
                83.42          6.96        1.1586    3   0   5        12
                83.69          4.12        1.1556    1   1   7        12
                85.82          1.51        1.1323    2   2   4        12
                87.01          1.70        1.1199    2   0   7        12
                89.66          1.46        1.0935    1   0   8        12
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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.