Bertrandite
Downs J W, Ross F K
American Mineralogist 72 (1987) 979-983
Neutron-diffraction study of bertrandite
Note: O2y has been corrected
_database_code_amcsd 0001126
CELL PARAMETERS: 8.7135 15.2680 4.5683 90.000 90.000 90.000
SPACE GROUP: Cmc2_1
X-RAY WAVELENGTH: 1.541838
Cell Volume: 607.756
Density (g/cm3): 2.603
MAX. ABS. INTENSITY / VOLUME**2: 6.671553622
RIR: 0.834
RIR based on corundum from Acta Crystallographica A38 (1982) 733-739
2-THETA INTENSITY D-SPACING H K L Multiplicity
11.69 14.42 7.5678 1 1 0 4
20.21 31.12 4.3946 1 3 0 4
20.38 91.69 4.3568 2 0 0 2
22.68 38.44 3.9200 0 2 1 2
22.74 8.05 3.9110 1 1 1 4
23.30 18.92 3.8170 0 4 0 2
28.18 100.00 3.1671 1 3 1 4
30.52 1.07 2.9291 0 4 1 2
30.68 11.68 2.9141 2 2 1 4
31.03 3.34 2.8818 1 5 0 4
31.15 4.23 2.8710 2 4 0 4
31.35 9.64 2.8533 3 1 0 4
35.27 19.58 2.5447 0 6 0 2
35.59 50.39 2.5226 3 3 0 4
36.88 1.27 2.4373 1 5 1 4
37.15 7.99 2.4201 3 1 1 4
39.45 43.85 2.2841 0 0 2 1
40.58 24.65 2.2230 0 6 1 2
40.86 24.14 2.2083 3 3 1 4
41.08 2.02 2.1973 2 6 0 4
41.29 1.49 2.1867 1 1 2 4
41.45 8.52 2.1784 4 0 0 2
42.98 3.96 2.1045 3 5 0 4
44.71 2.06 2.0267 1 3 2 4
44.80 5.17 2.0230 2 0 2 2
45.82 18.26 1.9802 2 6 1 4
46.32 4.58 1.9600 0 4 2 2
47.35 2.38 1.9199 1 7 1 4
47.57 1.44 1.9114 3 5 1 4
47.65 1.92 1.9085 0 8 0 2
51.02 1.27 1.7900 1 5 2 4
51.10 1.76 1.7875 2 4 2 4
51.23 3.60 1.7832 3 1 2 4
51.92 1.14 1.7610 0 8 1 2
53.94 6.92 1.6998 0 6 2 2
54.17 7.48 1.6932 3 3 2 4
55.16 2.80 1.6652 1 9 0 4
55.53 1.29 1.6548 4 6 0 4
55.76 8.97 1.6487 5 3 0 4
56.48 3.91 1.6294 3 7 1 4
56.87 1.21 1.6191 5 1 1 4
58.26 1.67 1.5835 2 6 2 4
58.55 5.18 1.5764 4 0 2 2
59.04 4.40 1.5645 1 9 1 4
59.40 8.35 1.5559 4 6 1 4
59.62 7.30 1.5508 5 3 1 4
59.75 3.59 1.5477 3 5 2 4
62.16 1.88 1.4933 0 2 3 2
63.51 13.41 1.4649 3 9 0 4
63.52 1.35 1.4646 0 8 2 2
64.13 5.49 1.4523 6 0 0 2
64.33 1.14 1.4481 0 10 1 2
64.80 6.97 1.4388 1 3 3 4
66.15 1.19 1.4127 2 2 3 4
67.10 1.28 1.3949 3 9 1 4
68.96 2.58 1.3618 6 2 1 4
69.22 1.09 1.3573 6 4 0 4
69.91 1.11 1.3456 1 9 2 4
70.24 1.07 1.3401 4 6 2 4
70.43 2.67 1.3368 5 3 2 4
72.31 11.62 1.3067 0 6 3 2
72.43 1.31 1.3048 5 7 1 4
72.51 10.63 1.3037 3 3 3 4
74.59 2.21 1.2723 0 12 0 2
75.35 2.08 1.2613 6 6 0 4
76.04 10.26 1.2516 2 6 3 4
77.39 5.89 1.2331 3 9 2 4
77.95 1.18 1.2257 0 12 1 2
77.96 4.80 1.2255 6 0 2 2
78.28 6.65 1.2213 2 12 0 4
78.70 4.04 1.2158 6 6 1 4
78.72 4.29 1.2156 5 9 0 4
79.33 1.63 1.2078 3 11 1 4
81.59 1.16 1.1799 2 12 1 4
82.03 3.27 1.1747 5 9 1 4
82.53 5.63 1.1689 7 3 1 4
82.70 1.44 1.1669 6 4 2 4
84.45 1.18 1.1471 3 7 3 4
87.13 7.16 1.1186 5 3 3 4
88.51 1.36 1.1047 2 0 4 2
88.57 2.13 1.1041 6 6 2 4
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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.