Bobkingite Hawthorne F C, Cooper M A, Grice J D, Roberts A C, Hubbard N Mineralogical Magazine 66 (2002) 301-311 Description and crystal structure of bobkingite, (Cu2+)5Cl2(OH)8(H2O)2, a new mineral from New Cliffe Hill Quarry, Stanton-under-Bardon, Leicestershire, UK Locality: New Cliffe Hill Quarry, Stanton-under-Bardon, Leicestershire, UK _database_code_amcsd 0018486 CELL PARAMETERS: 10.3113 6.7606 8.8386 90.000 111.468 90.000 SPACE GROUP: C2/m X-RAY WAVELENGTH: 1.541838 Cell Volume: 573.397 Density (g/cm3): 3.272 MAX. ABS. INTENSITY / VOLUME**2: 29.01276072 RIR: 2.887 RIR based on corundum from Acta Crystallographica A38 (1982) 733-739 2-THETA INTENSITY D-SPACING H K L Multiplicity 10.76 79.93 8.2254 0 0 1 2 16.04 100.00 5.5267 1 1 0 4 17.34 2.87 5.1134 -1 1 1 4 17.67 30.81 5.0206 -2 0 1 2 18.49 1.18 4.7980 2 0 0 2 21.17 8.22 4.1962 1 1 1 4 21.61 7.83 4.1127 0 0 2 2 22.75 1.51 3.9083 -2 0 2 2 24.67 4.26 3.6092 2 0 1 2 26.37 7.82 3.3803 0 2 0 2 28.55 11.05 3.1266 0 2 1 4 29.15 7.45 3.0631 -3 1 1 4 30.93 46.00 2.8914 3 1 0 4 31.92 12.00 2.8040 -2 2 1 4 32.40 10.00 2.7634 2 2 0 4 32.66 6.08 2.7418 0 0 3 2 33.28 39.56 2.6925 -1 1 3 4 33.49 5.73 2.6759 2 0 2 2 34.34 13.57 2.6114 0 2 2 4 35.10 23.23 2.5567 -2 2 2 4 35.77 3.28 2.5103 -4 0 2 2 36.18 2.35 2.4828 3 1 1 4 36.42 5.09 2.4672 2 2 1 4 37.49 21.35 2.3990 4 0 0 2 39.66 1.55 2.2728 1 1 3 4 39.86 11.81 2.2617 -4 0 3 2 40.93 2.87 2.2047 -2 0 4 2 41.15 1.75 2.1938 1 3 0 4 41.20 35.82 2.1909 -2 2 3 4 42.96 12.21 2.1052 4 0 1 2 44.04 2.18 2.0563 0 0 4 2 44.28 6.54 2.0457 -4 2 1 4 46.27 5.35 1.9621 -5 1 2 4 48.43 3.13 1.8797 -4 2 3 4 48.81 3.87 1.8657 -5 1 3 4 49.35 1.32 1.8466 -2 2 4 4 49.48 5.56 1.8422 3 3 0 4 50.58 2.90 1.8046 4 0 2 2 51.10 17.32 1.7875 -1 3 3 4 51.68 22.28 1.7688 2 2 3 4 51.73 1.17 1.7672 -2 0 5 2 53.09 2.42 1.7249 3 1 3 4 53.78 2.20 1.7045 -3 3 3 4 54.22 4.72 1.6918 -4 2 4 4 54.27 1.31 1.6902 -3 1 5 4 54.27 9.88 1.6902 0 4 0 2 54.28 3.16 1.6901 -6 0 1 2 54.65 1.49 1.6795 5 1 1 4 54.92 1.87 1.6718 -4 0 5 2 55.51 1.92 1.6556 0 4 1 4 55.82 2.41 1.6471 1 3 3 4 57.54 1.38 1.6018 -2 4 1 4 57.93 2.16 1.5920 4 2 2 4 59.11 1.46 1.5629 3 3 2 4 59.80 1.06 1.5466 4 0 3 2 60.44 5.67 1.5316 -6 2 2 4 61.11 2.68 1.5166 -5 3 2 4 61.33 1.10 1.5117 -6 2 1 4 61.64 3.71 1.5048 2 2 4 4 61.86 2.66 1.4998 -6 2 3 4 63.23 2.50 1.4707 -5 3 3 4 63.37 1.52 1.4677 -2 0 6 2 63.61 1.26 1.4627 3 1 4 4 64.45 4.08 1.4457 6 2 0 4 64.80 3.53 1.4388 0 4 3 4 64.81 2.17 1.4385 -4 0 6 2 64.93 2.72 1.4362 -3 1 6 4 65.30 1.94 1.4290 2 4 2 4 65.49 1.05 1.4252 -7 1 3 4 66.35 1.29 1.4088 -7 1 1 4 66.49 1.67 1.4062 2 0 5 2 66.72 1.38 1.4020 -4 4 2 4 66.89 1.59 1.3987 3 3 3 4 67.83 4.00 1.3817 4 4 0 4 68.44 2.20 1.3709 0 0 6 2 69.42 4.98 1.3539 -4 4 3 4 69.54 2.05 1.3518 -5 1 6 4 69.66 2.14 1.3498 6 2 1 4 69.87 5.13 1.3462 -2 2 6 4 70.16 1.06 1.3413 -2 4 4 4 70.31 1.82 1.3389 1 5 0 4 71.17 3.12 1.3248 -6 2 5 4 71.60 3.40 1.3180 4 4 1 4 72.37 1.03 1.3057 0 4 4 4 73.26 1.01 1.2921 -7 1 5 4 73.74 1.83 1.2848 -8 0 2 2 74.78 2.39 1.2695 1 1 6 4 75.71 1.22 1.2562 7 1 1 4 76.49 2.25 1.2454 3 5 0 4 77.77 1.46 1.2281 -1 5 3 4 78.72 2.04 1.2156 -6 2 6 4 81.87 1.95 1.1766 -8 2 4 4 85.43 1.25 1.1364 2 2 6 4 89.30 1.24 1.0969 2 6 0 4 ================================================================================ XPOW Copyright 1993 Bob Downs, Ranjini Swaminathan and Kurt Bartelmehs For reference, see Downs et al. (1993) American Mineralogist 78, 1104-1107.