Langbanite Giuseppetti G, Mazzi F, Tadini C Neues Jahrbuch fur Mineralogie, Monatshefte 1991 (1991) 193-211 The crystal structure of monoclinic langbanite: (Mn,Ca,Fe,Mg)2+4(Mn,Fe)3+9Sb5+[O16(SiO4)2] Locality: Langban, Sweden _database_code_amcsd 0014850 CELL PARAMETERS: 11.5610 20.0500 11.0750 90.000 90.030 90.000 SPACE GROUP: C2/m X-RAY WAVELENGTH: 1.541838 Cell Volume: 2567.163 Density (g/cm3): 4.938 MAX. ABS. INTENSITY / VOLUME**2: 23.63149095 RIR: 1.558 RIR based on corundum from Acta Crystallographica A38 (1982) 733-739 2-THETA INTENSITY D-SPACING H K L Multiplicity 15.31 12.18 5.7861 1 3 0 4 15.33 5.88 5.7805 2 0 0 2 16.01 6.36 5.5375 0 0 2 2 17.29 18.75 5.1278 1 3 1 4 17.30 9.04 5.1256 -2 0 1 2 22.22 6.90 4.0011 -1 3 2 4 22.24 3.20 3.9977 2 0 2 2 24.11 7.46 3.6917 0 0 3 2 27.89 3.99 3.1992 0 6 1 4 27.91 4.30 3.1968 -3 3 1 4 27.92 4.43 3.1960 3 3 1 4 28.54 1.90 3.1270 -1 5 2 4 28.58 1.19 3.1237 3 1 2 4 28.68 5.12 3.1125 -1 3 3 4 28.69 1.02 3.1120 -2 0 3 2 28.69 2.36 3.1118 1 3 3 4 28.70 2.39 3.1106 2 0 3 2 30.91 18.34 2.8930 2 6 0 4 30.94 9.76 2.8902 4 0 0 2 31.97 29.26 2.7993 -2 6 1 4 31.98 44.42 2.7989 2 6 1 4 32.00 22.98 2.7969 -4 0 1 2 32.01 14.78 2.7962 4 0 1 2 32.33 100.00 2.7687 0 0 4 2 34.99 70.01 2.5645 -2 6 2 4 35.00 69.73 2.5639 2 6 2 4 35.01 35.62 2.5628 -4 0 2 2 35.03 33.72 2.5617 4 0 2 2 35.95 1.55 2.4978 -1 3 4 4 39.18 1.90 2.2994 2 8 0 4 39.57 6.26 2.2774 -2 6 3 4 39.61 3.29 2.2752 4 0 3 2 40.06 1.58 2.2510 -3 7 1 4 40.06 1.50 2.2507 3 7 1 4 40.10 1.10 2.2489 5 1 1 4 40.74 5.79 2.2150 0 0 5 2 41.27 2.28 2.1875 1 9 0 4 41.30 2.24 2.1860 4 6 0 4 41.32 2.57 2.1851 5 3 0 4 42.10 1.56 2.1461 -1 9 1 4 42.13 1.49 2.1448 -4 6 1 4 42.16 1.25 2.1436 5 3 1 4 42.62 1.57 2.1213 5 1 2 4 45.33 6.24 2.0006 -2 6 4 4 45.34 20.16 2.0000 2 6 4 4 45.35 10.62 1.9999 -4 0 4 2 45.37 3.48 1.9989 4 0 4 2 47.87 1.83 1.9002 -3 9 1 4 48.36 1.94 1.8820 -1 9 3 4 48.38 1.90 1.8813 -4 6 3 4 48.42 1.91 1.8800 5 3 3 4 49.36 1.15 1.8462 0 6 5 4 49.37 1.40 1.8461 -3 3 5 4 49.39 1.28 1.8453 3 3 5 4 50.09 2.16 1.8212 3 9 2 4 50.12 1.02 1.8201 -6 0 2 2 50.70 1.69 1.8005 1 11 0 4 50.74 2.05 1.7991 5 7 0 4 51.99 3.42 1.7589 -2 6 5 4 52.00 1.07 1.7587 -1 3 6 4 52.00 6.52 1.7585 -4 0 5 2 52.00 12.26 1.7585 2 6 5 4 52.03 1.54 1.7576 4 0 5 2 53.38 1.83 1.7164 1 9 4 4 53.40 2.14 1.7157 -5 3 4 4 53.41 2.00 1.7154 4 6 4 4 54.95 27.08 1.6708 0 12 0 2 55.01 56.69 1.6692 6 6 0 4 58.32 2.32 1.5821 0 0 7 2 59.39 34.35 1.5563 -2 6 6 4 59.40 4.80 1.5560 -4 0 6 2 59.40 9.51 1.5559 2 6 6 4 59.43 16.17 1.5553 4 0 6 2 60.57 1.63 1.5288 1 13 0 4 61.48 1.33 1.5083 5 7 4 4 64.00 1.50 1.4547 -3 9 5 4 64.41 2.22 1.4465 4 12 0 4 64.48 1.16 1.4451 8 0 0 2 65.02 3.42 1.4344 -4 12 1 4 65.03 2.37 1.4343 4 12 1 4 65.09 1.19 1.4331 -8 0 1 2 65.10 1.88 1.4329 8 0 1 2 65.22 16.81 1.4305 0 12 4 4 65.25 17.94 1.4298 -6 6 4 4 65.28 16.94 1.4292 6 6 4 4 66.84 8.55 1.3996 -4 12 2 4 66.85 8.54 1.3995 4 12 2 4 66.91 4.81 1.3985 -8 0 2 2 66.93 4.64 1.3981 8 0 2 2 67.46 2.02 1.3883 -2 6 7 4 67.48 1.36 1.3880 2 6 7 4 67.51 1.11 1.3875 4 0 7 2 67.68 4.94 1.3844 0 0 8 2 69.84 1.08 1.3467 4 12 3 4 73.92 3.37 1.2822 -4 12 4 4 73.94 1.26 1.2820 4 12 4 4 74.01 1.79 1.2808 8 0 4 2 76.24 1.05 1.2489 -2 6 8 4 76.24 1.57 1.2488 -4 0 8 2 76.25 2.80 1.2486 2 6 8 4 79.06 2.47 1.2113 -4 12 5 4 79.15 1.34 1.2100 8 0 5 2 85.22 2.69 1.1387 -4 12 6 4 85.25 7.18 1.1384 4 12 6 4 85.27 4.45 1.1382 -8 0 6 2 85.33 1.46 1.1376 8 0 6 2 ================================================================================ XPOW Copyright 1993 Bob Downs, Ranjini Swaminathan and Kurt Bartelmehs For reference, see Downs et al. (1993) American Mineralogist 78, 1104-1107.