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 = 350 C _database_code_amcsd 0006175 CELL PARAMETERS: 10.6545 10.6545 5.9170 90.000 90.000 120.000 SPACE GROUP: P6_3/m X-RAY WAVELENGTH: 1.541838 Cell Volume: 581.700 Density (g/cm3): 3.480 MAX. ABS. INTENSITY / VOLUME**2: 16.21010434 RIR: 1.517 RIR based on corundum from Acta Crystallographica A38 (1982) 733-739 2-THETA INTENSITY D-SPACING H K L Multiplicity 9.59 42.53 9.2271 1 0 0 6 16.64 9.05 5.3272 1 1 0 6 17.81 16.37 4.9809 1 0 1 12 19.24 72.11 4.6135 2 0 0 6 22.46 2.64 3.9591 1 1 1 12 24.47 5.04 3.6383 2 0 1 12 25.54 2.25 3.4875 1 2 0 6 29.03 11.22 3.0757 3 0 0 6 29.74 32.77 3.0045 1 2 1 12 29.74 7.48 3.0045 2 1 1 12 31.76 2.81 2.8172 1 0 2 12 32.82 18.73 2.7290 3 0 1 12 33.65 64.37 2.6636 2 2 0 6 35.06 5.69 2.5591 1 3 0 6 35.06 4.07 2.5591 3 1 0 6 36.06 100.00 2.4904 2 0 2 12 37.01 3.55 2.4289 2 2 1 12 38.32 11.04 2.3489 1 3 1 12 38.32 3.64 2.3489 3 1 1 12 39.05 4.65 2.3068 4 0 0 6 39.96 10.05 2.2561 1 2 2 12 39.96 4.38 2.2561 2 1 2 12 42.04 7.22 2.1492 4 0 1 12 42.39 6.56 2.1322 3 0 2 12 42.71 4.93 2.1168 2 3 0 6 42.71 4.15 2.1168 3 2 0 6 45.51 3.55 1.9931 2 3 1 12 46.94 10.84 1.9355 3 1 2 12 47.12 5.19 1.9288 1 0 3 12 47.71 5.15 1.9062 1 4 1 12 47.71 1.24 1.9062 4 1 1 12 49.26 1.29 1.8496 1 1 3 12 49.39 7.92 1.8454 5 0 0 6 50.15 39.03 1.8191 4 0 2 12 50.31 1.93 1.8136 2 0 3 12 51.90 6.70 1.7617 5 0 1 12 52.48 1.26 1.7437 2 4 0 6 52.48 6.58 1.7437 4 2 0 6 53.21 2.21 1.7215 2 3 2 12 53.21 7.59 1.7215 3 2 2 12 53.36 2.48 1.7168 1 2 3 12 53.36 1.47 1.7168 2 1 3 12 54.89 1.95 1.6726 4 2 1 12 55.18 1.36 1.6646 1 4 2 12 55.18 3.60 1.6646 4 1 2 12 55.33 2.73 1.6603 3 0 3 12 55.44 1.82 1.6572 1 5 0 6 55.44 3.94 1.6572 5 1 0 6 57.77 4.55 1.5958 5 1 1 12 60.17 12.81 1.5378 6 0 0 6 60.84 2.72 1.5225 3 3 2 12 61.09 1.01 1.5169 3 4 0 6 61.09 1.83 1.5169 4 3 0 6 61.75 13.80 1.5022 2 4 2 12 61.75 18.08 1.5022 4 2 2 12 62.82 8.44 1.4793 0 0 4 2 62.90 1.11 1.4775 5 2 0 6 63.29 1.60 1.4694 3 4 1 12 63.71 1.21 1.4606 1 0 4 12 64.44 1.97 1.4458 1 5 2 12 64.58 1.08 1.4430 2 3 3 12 65.49 1.04 1.4253 1 1 4 12 66.36 2.50 1.4086 2 0 4 12 68.80 3.56 1.3645 6 0 2 12 69.79 2.08 1.3475 5 0 3 12 70.74 6.53 1.3318 4 4 0 6 73.19 11.19 1.2932 2 2 4 12 74.10 1.56 1.2796 2 6 0 6 74.10 1.71 1.2796 6 2 0 6 74.70 3.49 1.2707 1 6 2 12 74.83 1.18 1.2688 1 5 3 12 74.83 2.33 1.2688 5 1 3 12 76.50 1.49 1.2452 4 0 4 12 79.75 1.04 1.2024 3 4 3 12 82.06 2.81 1.1744 2 6 2 12 82.06 5.17 1.1744 6 2 2 12 83.81 1.27 1.1542 5 0 4 12 86.08 1.32 1.1296 1 7 2 12 86.22 1.68 1.1280 4 2 4 12 88.62 1.16 1.1036 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.