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 = 298 C _database_code_amcsd 0006174 CELL PARAMETERS: 10.6434 10.6434 5.9106 90.000 90.000 120.000 SPACE GROUP: P6_3/m X-RAY WAVELENGTH: 1.541838 Cell Volume: 579.858 Density (g/cm3): 3.491 MAX. ABS. INTENSITY / VOLUME**2: 16.30683852 RIR: 1.521 RIR based on corundum from Acta Crystallographica A38 (1982) 733-739 2-THETA INTENSITY D-SPACING H K L Multiplicity 9.60 42.37 9.2175 1 0 0 6 16.66 9.00 5.3217 1 1 0 6 17.83 16.35 4.9755 1 0 1 12 19.26 71.93 4.6087 2 0 0 6 22.48 2.70 3.9549 1 1 1 12 24.49 5.03 3.6344 2 0 1 12 25.57 2.30 3.4839 1 2 0 6 29.06 11.32 3.0725 3 0 0 6 29.77 33.11 3.0013 1 2 1 12 29.77 7.47 3.0013 2 1 1 12 31.80 3.00 2.8142 1 0 2 12 32.85 18.83 2.7262 3 0 1 12 33.68 64.33 2.6609 2 2 0 6 35.10 5.90 2.5565 1 3 0 6 35.10 4.05 2.5565 3 1 0 6 36.10 100.00 2.4878 2 0 2 12 37.05 3.53 2.4263 2 2 1 12 38.36 11.17 2.3464 1 3 1 12 38.36 3.71 2.3464 3 1 1 12 39.09 4.69 2.3044 4 0 0 6 40.01 10.12 2.2537 1 2 2 12 40.01 4.48 2.2537 2 1 2 12 42.09 7.30 2.1470 4 0 1 12 42.44 6.69 2.1299 3 0 2 12 42.76 5.00 2.1146 2 3 0 6 42.76 4.37 2.1146 3 2 0 6 45.56 3.51 1.9910 2 3 1 12 47.00 11.15 1.9334 3 1 2 12 47.17 5.26 1.9267 1 0 3 12 47.76 5.39 1.9042 1 4 1 12 47.76 1.26 1.9042 4 1 1 12 49.32 1.32 1.8476 1 1 3 12 49.44 8.12 1.8435 5 0 0 6 50.20 39.66 1.8172 4 0 2 12 50.37 1.98 1.8116 2 0 3 12 51.96 6.92 1.7599 5 0 1 12 52.54 1.27 1.7419 2 4 0 6 52.54 6.71 1.7419 4 2 0 6 53.27 2.25 1.7197 2 3 2 12 53.27 7.85 1.7197 3 2 2 12 53.43 2.60 1.7150 1 2 3 12 53.43 1.51 1.7150 2 1 3 12 54.95 1.93 1.6709 4 2 1 12 55.24 1.38 1.6628 1 4 2 12 55.24 3.76 1.6628 4 1 2 12 55.40 2.84 1.6585 3 0 3 12 55.51 1.86 1.6555 1 5 0 6 55.51 4.09 1.6555 5 1 0 6 57.84 4.71 1.5942 5 1 1 12 60.24 12.99 1.5362 6 0 0 6 60.91 2.77 1.5209 3 3 2 12 61.16 1.04 1.5153 3 4 0 6 61.16 1.88 1.5153 4 3 0 6 61.82 14.08 1.5007 2 4 2 12 61.82 18.45 1.5007 4 2 2 12 62.90 8.63 1.4776 0 0 4 2 62.97 1.15 1.4760 5 2 0 6 63.36 1.69 1.4679 3 4 1 12 63.79 1.31 1.4590 1 0 4 12 64.52 2.02 1.4443 1 5 2 12 64.66 1.11 1.4415 2 3 3 12 65.57 1.11 1.4238 1 1 4 12 66.44 2.48 1.4071 2 0 4 12 68.88 3.69 1.3631 6 0 2 12 69.88 2.14 1.3461 5 0 3 12 70.82 6.72 1.3304 4 4 0 6 73.28 11.49 1.2918 2 2 4 12 74.19 1.64 1.2782 2 6 0 6 74.19 1.74 1.2782 6 2 0 6 74.79 3.65 1.2694 1 6 2 12 74.92 2.46 1.2675 5 1 3 12 74.92 1.21 1.2675 1 5 3 12 76.60 1.53 1.2439 4 0 4 12 79.85 1.11 1.2012 3 4 3 12 82.16 2.84 1.1732 2 6 2 12 82.16 5.34 1.1732 6 2 2 12 83.92 1.35 1.1530 5 0 4 12 86.19 1.42 1.1284 1 7 2 12 86.34 1.74 1.1268 4 2 4 12 88.74 1.25 1.1024 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.