Laihunite Ferrifayalite Research Group Acta Geologica Sinica 50 (1976) 161-175 Ferrifayalite and its crystal structure Locality: Liaoning Province, China Note: Reported SiO bond lengths of 1.9 could not be reproduced _database_code_amcsd 0011976 CELL PARAMETERS: 4.8080 10.1710 5.8240 90.000 90.000 90.000 SPACE GROUP: P2_1/b X-RAY WAVELENGTH: 1.541838 Cell Volume: 284.806 Density (g/cm3): 4.101 MAX. ABS. INTENSITY / VOLUME**2: 22.48835473 RIR: 1.786 RIR based on corundum from Acta Crystallographica A38 (1982) 733-739 2-THETA INTENSITY D-SPACING H K L Multiplicity 15.21 33.35 5.8240 0 0 1 2 17.44 5.59 5.0855 0 2 0 2 20.43 3.59 4.3468 1 1 0 4 23.22 8.06 3.8306 0 -2 1 2 23.22 35.84 3.8306 0 2 1 2 25.50 6.81 3.4938 1 2 0 4 25.57 6.04 3.4835 1 -1 1 4 25.57 93.96 3.4835 1 1 1 4 29.82 1.86 2.9960 1 -2 1 4 29.82 4.75 2.9960 1 2 1 4 30.70 16.04 2.9120 0 0 2 2 32.31 33.90 2.7708 1 3 0 4 35.30 4.94 2.5427 0 4 0 2 35.52 9.69 2.5270 0 2 2 2 35.52 2.90 2.5270 0 -2 2 2 35.89 65.27 2.5020 1 -3 1 4 35.89 14.62 2.5020 1 3 1 4 37.16 44.54 2.4193 1 -1 2 4 37.16 11.30 2.4193 1 1 2 4 37.41 6.52 2.4040 2 0 0 2 38.48 2.59 2.3395 2 1 0 4 38.64 2.22 2.3303 0 -4 1 2 38.64 12.68 2.3303 0 4 1 2 40.12 10.10 2.2478 1 4 0 4 40.32 3.35 2.2369 1 2 2 4 40.32 6.82 2.2369 1 -2 2 4 40.60 1.72 2.2221 2 0 1 4 41.55 1.47 2.1734 2 2 0 4 41.60 3.80 2.1709 2 -1 1 4 41.60 4.43 2.1709 2 1 1 4 44.49 8.35 2.0362 2 -2 1 4 44.49 2.73 2.0362 2 2 1 4 49.14 5.61 1.8539 2 0 2 4 51.22 18.15 1.7834 1 5 1 4 51.56 14.44 1.7726 1 -1 3 4 52.38 15.55 1.7469 2 4 0 4 52.54 17.84 1.7418 2 -2 2 4 52.54 27.13 1.7418 2 2 2 4 54.87 5.47 1.6732 2 4 1 4 56.54 2.42 1.6276 0 6 1 2 56.54 9.26 1.6276 0 -6 1 2 58.01 1.25 1.5899 1 -3 3 4 58.01 14.90 1.5899 1 3 3 4 58.28 2.26 1.5831 3 1 0 4 58.59 1.21 1.5755 1 5 2 4 58.59 3.99 1.5755 1 -5 2 4 59.85 1.53 1.5452 3 0 1 4 59.95 7.01 1.5430 0 -4 3 2 60.61 8.93 1.5277 3 1 1 4 61.38 4.34 1.5104 2 0 3 4 62.13 1.21 1.4940 2 -1 3 4 63.50 8.37 1.4650 0 6 2 2 63.50 8.45 1.4650 0 -6 2 2 63.94 10.23 1.4560 0 0 4 2 64.29 2.98 1.4489 3 3 0 4 66.50 7.11 1.4061 3 -3 1 4 66.84 1.30 1.3998 0 2 4 2 67.32 7.00 1.3909 1 7 0 4 67.32 1.70 1.3909 3 -1 2 4 67.89 1.52 1.3806 1 -1 4 4 67.89 1.41 1.3806 1 1 4 4 69.30 1.51 1.3558 3 4 0 4 69.45 2.86 1.3534 3 -2 2 4 69.45 2.60 1.3534 3 2 2 4 69.76 1.53 1.3481 1 5 3 4 69.76 1.50 1.3481 1 -5 3 4 69.78 4.24 1.3478 2 -6 1 4 71.44 1.72 1.3205 3 4 1 4 72.84 5.24 1.2986 2 -4 3 4 73.47 2.90 1.2889 1 -3 4 4 73.47 1.04 1.2889 1 3 4 4 74.28 2.99 1.2769 0 6 3 2 75.79 1.43 1.2551 1 -7 2 4 76.08 2.01 1.2510 2 6 2 4 76.49 1.90 1.2454 2 0 4 4 77.59 2.17 1.2305 3 5 1 4 77.86 2.47 1.2269 3 -1 3 4 79.79 2.30 1.2020 4 0 0 2 83.20 3.78 1.1612 3 3 3 4 83.70 1.30 1.1555 3 5 2 4 83.70 2.83 1.1555 3 -5 2 4 84.47 1.22 1.1469 4 -2 1 4 85.53 1.38 1.1354 0 2 5 2 85.53 1.45 1.1354 0 -2 5 2 86.26 1.19 1.1277 2 6 3 4 86.62 2.04 1.1239 2 8 0 4 87.15 2.01 1.1184 2 4 4 4 87.15 1.60 1.1184 2 -4 4 4 87.82 1.01 1.1116 3 4 3 4 88.63 2.45 1.1035 2 8 1 4 ================================================================================ XPOW Copyright 1993 Bob Downs, Ranjini Swaminathan and Kurt Bartelmehs For reference, see Downs et al. (1993) American Mineralogist 78, 1104-1107.