Gaudefroyite Antao S M, Hassan I The Canadian Mineralogist 46 (2008) 183-193 Gaudefroyite, Ca8Mn3+6[(BO3)6(CO3)2O6]: high-temperature crystal structure Locality: Wessels mine, Kalahari manganese field, South Africa Sample: T = 196 C _database_code_amcsd 0006172 CELL PARAMETERS: 10.6260 10.6260 5.9001 90.000 90.000 120.000 SPACE GROUP: P6_3/m X-RAY WAVELENGTH: 1.541838 Cell Volume: 576.938 Density (g/cm3): 3.508 MAX. ABS. INTENSITY / VOLUME**2: 16.58472799 RIR: 1.539 RIR based on corundum from Acta Crystallographica A38 (1982) 733-739 2-THETA INTENSITY D-SPACING H K L Multiplicity 9.61 42.28 9.2024 1 0 0 6 16.69 8.82 5.3130 1 1 0 6 17.86 16.20 4.9669 1 0 1 12 19.29 71.59 4.6012 2 0 0 6 22.52 2.80 3.9481 1 1 1 12 24.53 5.17 3.6283 2 0 1 12 25.61 2.46 3.4782 1 2 0 6 29.11 11.33 3.0675 3 0 0 6 29.82 33.42 2.9963 1 2 1 12 29.82 7.57 2.9963 2 1 1 12 31.86 3.22 2.8092 1 0 2 12 32.91 18.80 2.7216 3 0 1 12 33.74 63.77 2.6565 2 2 0 6 35.16 6.08 2.5523 1 3 0 6 35.16 4.01 2.5523 3 1 0 6 36.17 100.00 2.4834 2 0 2 12 37.12 3.46 2.4223 2 2 1 12 38.43 11.39 2.3425 1 3 1 12 38.43 3.79 2.3425 3 1 1 12 39.16 4.72 2.3006 4 0 0 6 40.08 10.20 2.2498 1 2 2 12 40.08 4.58 2.2498 2 1 2 12 42.16 7.28 2.1434 4 0 1 12 42.52 6.85 2.1263 3 0 2 12 42.84 4.99 2.1112 2 3 0 6 42.84 4.78 2.1112 3 2 0 6 45.64 3.42 1.9878 2 3 1 12 47.08 11.45 1.9302 3 1 2 12 47.26 5.32 1.9233 1 0 3 12 47.85 5.67 1.9010 1 4 1 12 47.85 1.26 1.9010 4 1 1 12 49.41 1.35 1.8444 1 1 3 12 49.53 8.37 1.8405 5 0 0 6 50.29 40.35 1.8142 4 0 2 12 50.47 2.06 1.8084 2 0 3 12 52.05 7.27 1.7570 5 0 1 12 52.63 1.31 1.7391 2 4 0 6 52.63 6.80 1.7391 4 2 0 6 53.36 2.33 1.7168 2 3 2 12 53.36 8.26 1.7168 3 2 2 12 53.53 2.82 1.7120 1 2 3 12 53.53 1.58 1.7120 2 1 3 12 55.05 1.94 1.6681 4 2 1 12 55.34 1.41 1.6600 1 4 2 12 55.34 3.95 1.6600 4 1 2 12 55.50 3.04 1.6556 3 0 3 12 55.61 1.91 1.6528 1 5 0 6 55.61 4.28 1.6528 5 1 0 6 57.94 4.91 1.5915 5 1 1 12 60.35 13.41 1.5337 6 0 0 6 61.02 2.91 1.5184 3 3 2 12 61.27 1.08 1.5129 3 4 0 6 61.27 1.96 1.5129 4 3 0 6 61.94 14.62 1.4981 2 4 2 12 61.94 19.06 1.4981 4 2 2 12 63.02 8.97 1.4750 0 0 4 2 63.09 1.14 1.4736 5 2 0 6 63.48 1.83 1.4655 3 4 1 12 63.92 1.42 1.4564 1 0 4 12 64.64 2.06 1.4419 1 5 2 12 64.79 1.12 1.4390 2 3 3 12 65.70 1.17 1.4213 1 1 4 12 66.58 2.48 1.4046 2 0 4 12 69.02 3.92 1.3608 6 0 2 12 70.01 2.30 1.3438 5 0 3 12 70.96 7.07 1.3283 4 4 0 6 73.43 12.07 1.2896 2 2 4 12 74.26 1.07 1.2771 1 3 4 12 74.33 1.75 1.2761 2 6 0 6 74.33 1.84 1.2761 6 2 0 6 74.94 3.93 1.2673 1 6 2 12 75.07 1.24 1.2653 1 5 3 12 75.07 2.68 1.2653 5 1 3 12 76.76 1.60 1.2417 4 0 4 12 80.02 1.23 1.1991 3 4 3 12 82.33 2.94 1.1713 2 6 2 12 82.33 5.66 1.1713 6 2 2 12 84.10 1.48 1.1510 5 0 4 12 86.37 1.62 1.1265 1 7 2 12 86.52 1.82 1.1249 4 2 4 12 87.24 1.08 1.1175 1 2 5 12 88.94 1.41 1.1005 5 1 4 12 ================================================================================ XPOW Copyright 1993 Bob Downs, Ranjini Swaminathan and Kurt Bartelmehs For reference, see Downs et al. (1993) American Mineralogist 78, 1104-1107.