Barstowite Kutzke H, Klapper H, Merlino S, Pasero M, Perchiazzi N, Eggert G Zeitschrift fur Kristallographie 215 (2000) 110-113 The crystal structure of barstowite, Pb4Cl6(CO3)*H2O, determined on crystals from Etruscan slags and from a Late-Hellenistic shipwreck Locality: a Late-Hellenistic shipwreck found near Mahdia, Tunisia _database_code_amcsd 0019157 CELL PARAMETERS: 4.2043 9.1990 16.6630 90.000 91.820 90.000 SPACE GROUP: P2_1/m X-RAY WAVELENGTH: 1.541838 Cell Volume: 644.122 Density (g/cm3): 5.783 MAX. ABS. INTENSITY / VOLUME**2: 116.4201021 RIR: 6.555 RIR based on corundum from Acta Crystallographica A38 (1982) 733-739 2-THETA INTENSITY D-SPACING H K L Multiplicity 5.31 6.92 16.6546 0 0 1 2 10.99 2.89 8.0523 0 1 1 4 14.35 8.43 6.1735 0 1 2 4 15.96 1.27 5.5515 0 0 3 2 18.67 3.24 4.7531 0 1 3 4 21.14 1.34 4.2022 1 0 0 2 21.34 46.19 4.1636 0 0 4 2 21.65 11.53 4.1055 -1 0 1 2 21.98 8.27 4.0441 1 0 1 2 22.08 100.00 4.0262 0 2 2 4 23.27 17.69 3.8223 1 1 0 4 23.45 8.33 3.7932 0 1 4 4 24.02 7.60 3.7046 1 0 2 2 25.14 5.01 3.5418 0 2 3 4 25.36 18.59 3.5125 -1 1 2 4 25.93 15.73 3.4364 1 1 2 4 26.19 14.10 3.4030 -1 0 3 2 26.76 5.69 3.3309 0 0 5 2 27.02 7.71 3.3005 1 0 3 2 28.50 1.14 3.1319 0 1 5 4 28.74 1.45 3.1066 1 1 3 4 28.78 4.91 3.1024 1 2 0 4 29.16 21.26 3.0629 -1 2 1 4 29.41 19.39 3.0371 1 2 1 4 30.51 13.88 2.9297 -1 2 2 4 30.71 1.28 2.9118 1 0 4 2 31.31 10.28 2.8571 -1 1 4 4 32.25 9.55 2.7760 1 1 4 4 32.25 5.73 2.7758 0 0 6 2 32.74 9.21 2.7356 -1 2 3 4 33.21 1.47 2.6978 0 2 5 4 33.38 2.23 2.6841 0 3 3 4 33.42 4.09 2.6815 1 2 3 4 33.73 6.77 2.6574 0 1 6 4 33.80 1.82 2.6516 -1 0 5 2 35.22 1.73 2.5479 -1 1 5 4 35.68 7.28 2.5161 -1 2 4 4 36.27 19.38 2.4770 1 3 0 4 36.28 1.26 2.4760 1 1 5 4 36.52 25.10 2.4602 1 2 4 4 37.69 4.07 2.3864 -1 3 2 4 37.86 15.60 2.3765 0 2 6 4 38.10 3.13 2.3621 1 3 2 4 38.29 6.12 2.3507 -1 0 6 2 39.17 21.46 2.2998 0 4 0 2 39.22 15.10 2.2972 -1 2 5 4 39.47 11.98 2.2830 1 0 6 2 39.57 4.37 2.2775 -1 1 6 4 40.18 7.02 2.2441 1 2 5 4 40.72 2.56 2.2158 1 1 6 4 42.10 5.74 2.1465 -1 3 4 4 42.79 10.80 2.1132 0 2 7 4 42.83 4.55 2.1115 1 3 4 4 43.05 15.84 2.1011 2 0 0 2 43.09 4.52 2.0992 -1 0 7 2 43.22 1.30 2.0932 -1 2 6 4 43.23 1.31 2.0928 -2 0 1 2 43.47 1.36 2.0818 0 0 8 2 43.59 2.13 2.0764 2 0 1 2 44.00 5.68 2.0578 0 3 6 4 44.26 1.31 2.0466 -1 1 7 4 44.34 1.08 2.0428 1 0 7 2 44.63 2.43 2.0305 0 1 8 4 45.03 10.80 2.0131 0 4 4 4 45.19 4.45 2.0064 -1 4 1 4 45.37 3.62 1.9991 1 4 1 4 45.48 1.82 1.9942 1 1 7 4 46.48 3.42 1.9539 1 4 2 4 46.71 1.34 1.9447 2 0 3 2 47.62 1.57 1.9097 -1 2 7 4 47.73 5.18 1.9054 -1 4 3 4 47.74 1.53 1.9049 -2 2 1 4 47.87 4.97 1.9002 -2 0 4 2 48.08 3.16 1.8925 0 4 5 4 48.08 1.98 1.8925 2 2 1 4 48.23 3.35 1.8869 1 4 3 4 48.57 10.62 1.8745 -2 2 2 4 49.19 1.43 1.8523 2 0 4 2 49.22 6.15 1.8511 2 2 2 4 49.24 4.57 1.8505 0 0 9 2 50.24 1.26 1.8158 2 1 4 4 50.99 3.21 1.7912 2 2 3 4 51.61 1.20 1.7709 0 4 6 4 52.21 2.51 1.7522 2 0 5 2 52.35 1.66 1.7477 -1 2 8 4 52.68 1.25 1.7374 -1 4 5 4 53.18 1.29 1.7224 0 3 8 4 53.59 4.04 1.7102 1 2 8 4 53.88 1.09 1.7015 -2 0 6 2 54.53 1.36 1.6828 0 5 4 4 54.87 1.35 1.6731 -2 1 6 4 55.49 1.89 1.6560 -1 5 2 4 55.79 1.56 1.6478 1 5 2 4 55.93 2.51 1.6439 -1 4 6 4 56.18 1.20 1.6374 2 2 5 4 56.67 1.18 1.6243 2 1 6 4 56.82 5.81 1.6202 1 4 6 4 57.38 1.70 1.6059 -1 2 9 4 57.78 6.46 1.5958 -2 2 6 4 58.85 1.01 1.5692 -1 5 4 4 59.01 2.78 1.5654 -1 0 10 2 59.43 1.41 1.5553 1 5 4 4 59.60 7.55 1.5512 2 4 0 4 59.63 3.12 1.5504 -1 4 7 4 60.03 1.04 1.5412 2 4 1 4 60.44 3.37 1.5317 1 0 10 2 60.63 1.02 1.5273 1 4 7 4 61.50 5.20 1.5078 0 6 2 4 62.42 1.00 1.4878 -2 3 6 4 63.29 4.26 1.4694 2 2 7 4 63.51 3.65 1.4649 -2 4 4 4 63.57 1.64 1.4635 0 3 10 4 64.08 1.72 1.4532 2 3 6 4 64.30 1.86 1.4488 -1 5 6 4 64.65 3.91 1.4417 0 4 9 4 64.83 5.04 1.4381 0 2 11 4 64.92 1.63 1.4363 -1 6 1 4 65.06 1.52 1.4336 1 6 1 4 67.16 2.25 1.3937 2 4 5 4 68.64 1.72 1.3673 2 0 9 2 69.26 1.95 1.3566 1 6 4 4 70.12 1.12 1.3421 0 6 6 4 70.25 1.58 1.3400 3 2 0 4 70.89 1.96 1.3293 -3 2 2 4 71.02 1.91 1.3273 -1 6 5 4 73.13 1.79 1.2941 -1 4 10 4 73.48 1.29 1.2888 0 6 7 4 73.99 1.11 1.2811 0 0 13 2 74.19 1.41 1.2781 -1 2 12 4 74.42 2.33 1.2748 1 4 10 4 74.47 1.21 1.2741 3 3 0 4 75.14 2.96 1.2644 3 2 4 4 75.70 1.20 1.2564 -3 2 5 4 75.73 1.59 1.2560 1 2 12 4 75.85 1.86 1.2542 1 7 0 4 77.26 1.23 1.2349 3 0 6 2 77.75 2.18 1.2284 -2 6 2 4 78.25 1.22 1.2217 2 6 2 4 79.64 1.33 1.2038 -2 2 11 4 81.61 1.09 1.1796 3 4 2 4 81.71 1.21 1.1785 1 6 8 4 81.98 1.94 1.1753 2 4 9 4 82.40 1.94 1.1704 2 2 11 4 84.20 1.14 1.1499 0 8 0 2 85.20 1.07 1.1390 -2 6 6 4 87.07 1.29 1.1192 0 4 13 4 88.14 1.28 1.1084 0 8 4 4 ================================================================================ XPOW Copyright 1993 Bob Downs, Ranjini Swaminathan and Kurt Bartelmehs For reference, see Downs et al. (1993) American Mineralogist 78, 1104-1107.