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 = 25 C _database_code_amcsd 0006168 CELL PARAMETERS: 10.6007 10.6007 5.8840 90.000 90.000 120.000 SPACE GROUP: P6_3/m X-RAY WAVELENGTH: 1.541838 Cell Volume: 572.634 Density (g/cm3): 3.535 MAX. ABS. INTENSITY / VOLUME**2: 16.93614127 RIR: 1.560 RIR based on corundum from Acta Crystallographica A38 (1982) 733-739 2-THETA INTENSITY D-SPACING H K L Multiplicity 9.63 41.99 9.1805 1 0 0 6 16.73 8.57 5.3004 1 1 0 6 17.91 16.23 4.9539 1 0 1 12 19.34 71.41 4.5903 2 0 0 6 22.58 2.89 3.9382 1 1 1 12 24.60 5.27 3.6192 2 0 1 12 25.67 2.51 3.4699 1 2 0 6 29.18 11.14 3.0602 3 0 0 6 29.89 33.87 2.9889 1 2 1 12 29.89 7.46 2.9889 2 1 1 12 31.94 3.54 2.8017 1 0 2 12 32.99 18.66 2.7149 3 0 1 12 33.82 63.88 2.6502 2 2 0 6 35.25 6.24 2.5462 1 3 0 6 35.25 3.97 2.5462 3 1 0 6 36.27 100.00 2.4769 2 0 2 12 37.21 3.47 2.4164 2 2 1 12 38.53 11.96 2.3368 1 3 1 12 38.53 3.84 2.3368 3 1 1 12 39.25 4.76 2.2951 4 0 0 6 40.19 10.37 2.2440 1 2 2 12 40.19 4.69 2.2440 2 1 2 12 42.27 7.41 2.1382 4 0 1 12 42.63 7.20 2.1209 3 0 2 12 42.94 5.27 2.1062 2 3 0 6 42.94 5.19 2.1062 3 2 0 6 45.76 3.44 1.9829 2 3 1 12 47.21 12.01 1.9253 3 1 2 12 47.40 5.45 1.9181 1 0 3 12 47.97 6.09 1.8964 1 4 1 12 47.97 1.26 1.8964 4 1 1 12 49.56 1.40 1.8394 1 1 3 12 49.65 8.73 1.8361 5 0 0 6 50.43 41.50 1.8096 4 0 2 12 50.61 2.14 1.8036 2 0 3 12 52.19 7.66 1.7527 5 0 1 12 52.76 1.27 1.7350 2 4 0 6 52.76 6.91 1.7350 4 2 0 6 53.51 2.36 1.7125 2 3 2 12 53.51 8.73 1.7125 3 2 2 12 53.68 3.09 1.7075 1 2 3 12 53.68 1.63 1.7075 2 1 3 12 55.20 1.98 1.6641 4 2 1 12 55.49 1.47 1.6559 1 4 2 12 55.49 4.19 1.6559 4 1 2 12 55.66 3.23 1.6513 3 0 3 12 55.75 4.57 1.6489 5 1 0 6 55.75 1.95 1.6489 1 5 0 6 58.10 5.31 1.5877 5 1 1 12 59.49 1.01 1.5538 1 3 3 12 60.51 14.03 1.5301 6 0 0 6 61.19 3.03 1.5147 3 3 2 12 61.43 1.15 1.5093 3 4 0 6 61.43 2.10 1.5093 4 3 0 6 62.11 15.24 1.4944 2 4 2 12 62.11 19.76 1.4944 4 2 2 12 63.21 9.46 1.4710 0 0 4 2 63.26 1.19 1.4701 5 2 0 6 63.65 2.00 1.4619 3 4 1 12 64.11 1.63 1.4525 1 0 4 12 64.82 2.27 1.4384 1 5 2 12 64.97 1.21 1.4353 2 3 3 12 65.90 1.31 1.4174 1 1 4 12 66.78 2.41 1.4008 2 0 4 12 69.21 4.14 1.3575 6 0 2 12 70.22 2.45 1.3404 5 0 3 12 71.15 7.54 1.3251 4 4 0 6 72.00 1.10 1.3115 3 5 0 6 73.65 12.80 1.2862 2 2 4 12 74.49 1.18 1.2737 1 3 4 12 74.54 1.86 1.2731 2 6 0 6 74.54 1.91 1.2731 6 2 0 6 75.15 4.39 1.2642 1 6 2 12 75.30 1.32 1.2621 1 5 3 12 75.30 3.07 1.2621 5 1 3 12 76.99 1.63 1.2385 4 0 4 12 80.26 1.43 1.1961 3 4 3 12 82.57 3.05 1.1684 2 6 2 12 82.57 6.14 1.1684 6 2 2 12 84.37 1.70 1.1480 5 0 4 12 86.63 1.83 1.1238 1 7 2 12 86.80 1.93 1.1220 4 2 4 12 87.54 1.28 1.1145 1 2 5 12 89.23 1.65 1.0977 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.