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 = 59 C
_database_code_amcsd 0006169
CELL PARAMETERS: 10.6064 10.6064 5.8876 90.000 90.000 120.000
SPACE GROUP: P6_3/m
X-RAY WAVELENGTH: 1.541838
Cell Volume: 573.599
Density (g/cm3): 3.529
MAX. ABS. INTENSITY / VOLUME**2: 16.80366079
RIR: 1.551
RIR based on corundum from Acta Crystallographica A38 (1982) 733-739
2-THETA INTENSITY D-SPACING H K L Multiplicity
9.63 42.23 9.1854 1 0 0 6
16.72 8.58 5.3032 1 1 0 6
17.89 16.26 4.9568 1 0 1 12
19.33 71.64 4.5927 2 0 0 6
22.56 2.86 3.9404 1 1 1 12
24.58 5.28 3.6213 2 0 1 12
25.66 2.51 3.4718 1 2 0 6
29.17 11.22 3.0618 3 0 0 6
29.88 33.87 2.9906 1 2 1 12
29.88 7.47 2.9906 2 1 1 12
31.92 3.46 2.8034 1 0 2 12
32.97 18.72 2.7164 3 0 1 12
33.80 63.80 2.6516 2 2 0 6
35.23 6.27 2.5476 1 3 0 6
35.23 3.98 2.5476 3 1 0 6
36.25 100.00 2.4784 2 0 2 12
37.19 3.54 2.4177 2 2 1 12
38.50 11.79 2.3381 1 3 1 12
38.50 3.92 2.3381 3 1 1 12
39.23 4.77 2.2964 4 0 0 6
40.16 10.26 2.2453 1 2 2 12
40.16 4.73 2.2453 2 1 2 12
42.24 7.48 2.1394 4 0 1 12
42.60 7.10 2.1221 3 0 2 12
42.92 5.24 2.1073 2 3 0 6
42.92 5.14 2.1073 3 2 0 6
45.73 3.44 1.9840 2 3 1 12
47.18 11.92 1.9264 3 1 2 12
47.37 5.45 1.9192 1 0 3 12
47.94 5.99 1.8975 1 4 1 12
47.94 1.26 1.8975 4 1 1 12
49.52 1.40 1.8405 1 1 3 12
49.62 8.71 1.8371 5 0 0 6
50.40 41.34 1.8106 4 0 2 12
50.58 2.14 1.8047 2 0 3 12
52.16 7.60 1.7537 5 0 1 12
52.73 1.25 1.7359 2 4 0 6
52.73 6.91 1.7359 4 2 0 6
53.48 2.33 1.7135 2 3 2 12
53.48 8.66 1.7135 3 2 2 12
53.65 3.02 1.7085 1 2 3 12
53.65 1.62 1.7085 2 1 3 12
55.16 1.95 1.6650 4 2 1 12
55.46 1.46 1.6568 1 4 2 12
55.46 4.12 1.6568 4 1 2 12
55.63 3.18 1.6523 3 0 3 12
55.72 1.95 1.6498 1 5 0 6
55.72 4.53 1.6498 5 1 0 6
58.06 5.26 1.5886 5 1 1 12
60.47 13.85 1.5309 6 0 0 6
61.15 2.97 1.5155 3 3 2 12
61.40 1.15 1.5101 3 4 0 6
61.40 2.07 1.5101 4 3 0 6
62.07 15.09 1.4953 2 4 2 12
62.07 19.59 1.4953 4 2 2 12
63.17 9.34 1.4719 0 0 4 2
63.22 1.20 1.4708 5 2 0 6
63.61 1.94 1.4627 3 4 1 12
64.07 1.59 1.4534 1 0 4 12
64.78 2.23 1.4392 1 5 2 12
64.93 1.20 1.4362 2 3 3 12
65.85 1.27 1.4183 1 1 4 12
66.73 2.42 1.4017 2 0 4 12
69.17 4.07 1.3582 6 0 2 12
70.17 2.41 1.3412 5 0 3 12
71.11 7.43 1.3258 4 4 0 6
71.96 1.06 1.3122 3 5 0 6
73.60 12.59 1.2869 2 2 4 12
74.44 1.14 1.2745 1 3 4 12
74.49 1.83 1.2738 2 6 0 6
74.49 1.86 1.2738 6 2 0 6
75.10 4.25 1.2649 1 6 2 12
75.25 1.31 1.2628 1 5 3 12
75.25 3.00 1.2628 5 1 3 12
76.94 1.63 1.2392 4 0 4 12
80.20 1.38 1.1968 3 4 3 12
82.52 2.99 1.1690 2 6 2 12
82.52 6.01 1.1690 6 2 2 12
84.31 1.64 1.1487 5 0 4 12
86.57 1.76 1.1244 1 7 2 12
86.74 1.91 1.1226 4 2 4 12
87.47 1.23 1.1151 1 2 5 12
89.16 1.58 1.0983 5 1 4 12
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XPOW Copyright 1993 Bob Downs, Ranjini Swaminathan and Kurt Bartelmehs
For reference, see Downs et al. (1993) American Mineralogist 78, 1104-1107.