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: HRPXRD, T = 25 C _database_code_amcsd 0006167 CELL PARAMETERS: 10.6079 10.6079 5.8860 90.000 90.000 120.000 SPACE GROUP: P6_3/m X-RAY WAVELENGTH: 1.541838 Cell Volume: 573.605 Density (g/cm3): 3.529 MAX. ABS. INTENSITY / VOLUME**2: 15.60257511 RIR: 1.440 RIR based on corundum from Acta Crystallographica A38 (1982) 733-739 2-THETA INTENSITY D-SPACING H K L Multiplicity 9.63 48.65 9.1867 1 0 0 6 16.71 11.16 5.3040 1 1 0 6 17.90 17.36 4.9560 1 0 1 12 19.32 70.69 4.5934 2 0 0 6 22.57 2.38 3.9402 1 1 1 12 24.58 6.39 3.6212 2 0 1 12 25.66 2.68 3.4723 1 2 0 6 29.16 12.95 3.0622 3 0 0 6 29.88 35.56 2.9907 1 2 1 12 29.88 8.80 2.9907 2 1 1 12 31.93 4.45 2.8027 1 0 2 12 32.97 20.77 2.7166 3 0 1 12 33.80 67.09 2.6520 2 2 0 6 35.22 7.95 2.5479 1 3 0 6 35.22 4.40 2.5479 3 1 0 6 36.25 100.00 2.4780 2 0 2 12 37.19 4.57 2.4179 2 2 1 12 38.50 13.21 2.3383 1 3 1 12 38.50 4.55 2.3383 3 1 1 12 39.23 4.98 2.2967 4 0 0 6 40.17 12.01 2.2451 1 2 2 12 40.17 5.63 2.2451 2 1 2 12 42.24 8.60 2.1396 4 0 1 12 42.61 8.09 2.1219 3 0 2 12 42.91 5.43 2.1076 2 3 0 6 42.91 6.07 2.1076 3 2 0 6 45.73 3.99 1.9842 2 3 1 12 47.18 13.09 1.9263 3 1 2 12 47.38 6.14 1.9187 1 0 3 12 47.94 5.76 1.8977 1 4 1 12 47.94 1.13 1.8977 4 1 1 12 49.54 1.56 1.8401 1 1 3 12 49.62 9.43 1.8373 5 0 0 6 50.40 44.66 1.8106 4 0 2 12 50.59 2.70 1.8043 2 0 3 12 52.15 8.37 1.7539 5 0 1 12 52.72 7.91 1.7361 4 2 0 6 53.48 2.60 1.7135 2 3 2 12 53.48 10.78 1.7135 3 2 2 12 53.66 3.32 1.7082 1 2 3 12 53.66 1.60 1.7082 2 1 3 12 55.16 2.57 1.6652 4 2 1 12 55.46 1.42 1.6568 1 4 2 12 55.46 4.27 1.6568 4 1 2 12 55.63 3.02 1.6520 3 0 3 12 55.71 2.00 1.6500 1 5 0 6 55.71 4.55 1.6500 5 1 0 6 58.06 6.44 1.5887 5 1 1 12 59.46 1.34 1.5545 1 3 3 12 60.46 14.95 1.5311 6 0 0 6 61.15 2.82 1.5155 3 3 2 12 61.39 1.57 1.5103 3 4 0 6 61.39 2.42 1.5103 4 3 0 6 62.07 15.44 1.4953 2 4 2 12 62.07 22.31 1.4953 4 2 2 12 63.19 10.38 1.4715 0 0 4 2 63.21 1.47 1.4711 5 2 0 6 63.60 2.05 1.4629 3 4 1 12 64.09 1.89 1.4530 1 0 4 12 64.78 2.52 1.4392 1 5 2 12 64.94 1.72 1.4361 2 3 3 12 65.87 1.48 1.4179 1 1 4 12 66.75 2.21 1.4014 2 0 4 12 69.16 3.64 1.3583 6 0 2 12 70.18 3.50 1.3411 5 0 3 12 71.10 7.90 1.3260 4 4 0 6 71.95 1.17 1.3124 3 5 0 6 72.73 1.07 1.3002 4 2 3 12 73.62 12.87 1.2867 2 2 4 12 74.46 1.32 1.2743 1 3 4 12 74.48 1.59 1.2740 2 6 0 6 74.48 1.48 1.2740 6 2 0 6 75.10 4.65 1.2650 1 6 2 12 75.25 2.84 1.2628 5 1 3 12 75.25 1.30 1.2628 1 5 3 12 76.95 1.32 1.2390 4 0 4 12 80.21 1.39 1.1968 3 4 3 12 82.51 2.91 1.1691 2 6 2 12 82.51 6.32 1.1691 6 2 2 12 84.32 2.08 1.1486 5 0 4 12 86.56 1.91 1.1245 1 7 2 12 86.75 1.72 1.1225 4 2 4 12 87.50 1.54 1.1149 1 2 5 12 89.17 1.75 1.0982 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.