Kentrolite Dorsam G, Liebscher A, Wunder B, Franz G American Mineralogist 93 (2008) 573-583 Crystal structures of synthetic melanotekite (Pb2Fe2Si2O9), kentrolite (Pb2Mn2Si2O9), and the aluminum analogue (Pb2Al2Si2O9) Locality: synthetic _database_code_amcsd 0004536 CELL PARAMETERS: 7.0079 11.0665 9.9634 90.000 90.000 90.000 SPACE GROUP: P2_122_1 X-RAY WAVELENGTH: 1.541838 Cell Volume: 772.691 Density (g/cm3): 6.227 MAX. ABS. INTENSITY / VOLUME**2: 74.22512676 RIR: 3.882 RIR based on corundum from Acta Crystallographica A38 (1982) 733-739 2-THETA INTENSITY D-SPACING H K L Multiplicity 14.96 1.21 5.9206 1 1 0 4 16.02 54.06 5.5332 0 2 0 2 17.42 7.46 5.0898 1 1 1 4 17.80 48.56 4.9817 0 0 2 2 18.34 4.68 4.8373 0 2 1 4 23.34 9.40 3.8119 1 1 2 4 24.04 41.06 3.7023 0 2 2 4 25.42 47.22 3.5040 2 0 0 2 26.97 19.04 3.3055 2 0 1 4 27.32 62.04 3.2642 1 3 0 4 28.78 16.22 3.1020 1 3 1 4 30.19 23.52 2.9603 2 2 0 4 30.87 97.63 2.8965 1 1 3 4 31.21 47.38 2.8660 2 0 2 4 31.42 18.64 2.8476 0 2 3 4 31.53 44.08 2.8377 2 2 1 4 32.80 100.00 2.7303 1 3 2 4 33.62 12.28 2.6658 0 4 1 4 35.27 16.19 2.5449 2 2 2 4 36.06 8.71 2.4908 0 0 4 2 37.17 5.27 2.4187 0 4 2 4 37.30 3.02 2.4104 2 0 3 4 38.35 2.67 2.3470 1 0 4 4 38.68 8.04 2.3280 1 3 3 4 39.24 3.08 2.2959 1 1 4 4 39.41 2.75 2.2863 1 4 2 4 39.83 1.23 2.2632 2 3 2 4 40.49 4.82 2.2277 3 1 1 4 40.83 7.47 2.2099 2 2 3 4 41.59 2.28 2.1714 2 4 0 4 42.53 11.44 2.1257 0 4 3 4 42.61 4.89 2.1216 2 4 1 4 42.85 19.56 2.1105 1 5 0 4 43.00 1.01 2.1035 3 2 1 4 43.57 7.96 2.0774 3 1 2 4 43.85 2.69 2.0647 1 5 1 4 44.63 7.86 2.0302 2 0 4 4 45.57 7.91 1.9905 2 4 2 4 45.82 3.77 1.9802 1 3 4 4 45.99 6.18 1.9735 3 3 0 4 46.74 17.77 1.9433 1 5 2 4 46.93 12.59 1.9359 3 3 1 4 47.72 3.66 1.9059 2 2 4 4 48.18 22.88 1.8886 1 1 5 4 48.34 13.79 1.8828 3 1 3 4 48.56 9.30 1.8748 0 2 5 4 49.41 3.64 1.8444 0 6 0 2 49.69 28.07 1.8348 3 3 2 4 50.20 15.06 1.8174 2 4 3 4 51.29 1.54 1.7813 1 5 3 4 52.21 4.82 1.7520 4 0 0 2 52.94 4.32 1.7297 0 6 2 4 53.07 7.44 1.7255 4 0 1 4 53.91 10.72 1.7008 1 3 5 4 54.05 5.61 1.6966 3 3 3 4 54.49 10.09 1.6841 3 1 4 4 55.32 1.11 1.6606 0 0 6 2 55.60 14.40 1.6531 2 2 5 4 55.81 7.43 1.6473 4 2 1 4 56.20 4.74 1.6368 2 4 4 4 56.37 7.14 1.6321 2 6 0 4 56.95 16.63 1.6169 0 4 5 4 57.12 6.69 1.6124 0 6 3 4 57.19 1.03 1.6106 2 6 1 4 57.35 4.64 1.6067 3 5 0 4 57.65 1.76 1.5989 1 1 6 4 57.99 1.01 1.5905 0 2 6 4 58.16 7.74 1.5862 3 5 1 4 58.26 2.34 1.5836 4 2 2 4 59.61 2.25 1.5510 2 6 2 4 59.67 2.08 1.5496 4 0 3 4 59.79 2.41 1.5469 3 3 4 4 59.99 9.91 1.5422 1 7 0 4 60.55 1.46 1.5291 3 5 2 4 60.77 1.13 1.5240 1 7 1 4 61.76 5.60 1.5020 3 1 5 4 62.21 2.31 1.4922 4 2 3 4 63.11 4.25 1.4732 1 7 2 4 63.35 10.49 1.4682 2 4 5 4 63.51 8.22 1.4648 2 6 3 4 63.55 1.60 1.4641 4 4 1 4 64.32 3.48 1.4483 2 2 6 4 64.42 2.84 1.4463 3 5 3 4 65.09 2.28 1.4330 4 0 4 4 65.57 1.58 1.4238 0 4 6 4 65.82 4.83 1.4189 4 4 2 4 66.70 1.08 1.4022 3 3 5 4 66.89 4.36 1.3987 1 7 3 4 67.52 2.66 1.3872 4 2 4 4 67.71 9.41 1.3839 1 1 7 4 68.01 2.00 1.3785 0 2 7 4 68.08 1.04 1.3771 5 1 1 4 68.76 4.47 1.3652 2 6 4 4 69.44 3.62 1.3536 0 6 5 4 70.04 3.85 1.3434 3 1 6 4 70.29 2.33 1.3393 5 1 2 4 70.67 2.53 1.3329 0 8 2 4 71.53 1.99 1.3191 2 4 6 4 72.02 2.20 1.3112 1 7 4 4 72.15 1.30 1.3093 3 7 0 4 72.42 1.90 1.3050 1 5 6 4 72.44 1.04 1.3047 1 3 7 4 72.81 4.91 1.2990 5 3 1 4 72.87 1.62 1.2981 3 7 1 4 73.62 1.99 1.2867 2 8 0 4 73.89 2.12 1.2826 5 1 3 4 74.33 1.76 1.2761 2 8 1 4 74.58 4.64 1.2724 4 4 4 4 74.95 2.14 1.2671 5 3 2 4 75.01 2.60 1.2663 3 7 2 4 75.05 1.53 1.2657 0 4 7 4 75.26 2.78 1.2626 2 6 5 4 75.44 1.15 1.2601 4 6 1 4 76.46 2.91 1.2458 2 8 2 4 77.56 1.89 1.2309 4 6 2 4 78.41 3.89 1.2196 1 7 5 4 78.47 1.67 1.2188 5 3 3 4 78.48 1.34 1.2188 1 1 8 4 78.53 2.84 1.2180 3 7 3 4 78.76 2.48 1.2150 0 2 8 4 78.84 4.19 1.2141 5 1 4 4 79.30 3.51 1.2082 3 1 7 4 79.77 1.36 1.2023 1 9 1 4 80.72 4.01 1.1904 2 4 7 4 80.90 2.54 1.1882 4 4 5 4 81.05 2.05 1.1864 4 6 3 4 81.79 1.69 1.1776 4 2 6 4 81.93 4.01 1.1758 5 5 1 4 82.95 1.28 1.1640 2 6 6 4 82.99 2.76 1.1636 1 3 8 4 83.30 2.02 1.1600 6 0 1 4 83.34 1.08 1.1596 5 3 4 4 83.40 2.49 1.1589 3 7 4 4 83.77 1.05 1.1547 3 5 6 4 83.79 1.28 1.1544 3 3 7 4 84.37 2.28 1.1480 2 2 8 4 85.30 2.76 1.1378 1 9 3 4 85.53 2.27 1.1354 6 2 1 4 85.88 2.83 1.1316 4 6 4 4 86.34 1.52 1.1268 0 6 7 4 87.45 1.54 1.1154 5 5 3 4 88.31 1.68 1.1066 0 10 0 2 88.49 3.17 1.1049 4 4 6 4 89.65 1.91 1.0936 3 1 8 4 ================================================================================ XPOW Copyright 1993 Bob Downs, Ranjini Swaminathan and Kurt Bartelmehs For reference, see Downs et al. (1993) American Mineralogist 78, 1104-1107.