Ludwigite
Brovkin A A, Rozhdestvenskaya I V, Rykova E A
Crystallography Reports 47 (2002) 412-414
Cation distribution in the structure of titanium-containing ludwigite
Note: to be the mineral azoproite, Ti+Mg must be greater than Fe3+ in M4 site
Note: Uiso values have been divided by 100
Locality: Tazheran massif
_database_code_amcsd 0018467
CELL PARAMETERS: 9.2600 12.2940 3.0236 90.000 90.000 90.000
SPACE GROUP: Pbam
X-RAY WAVELENGTH: 1.541838
Cell Volume: 344.214
Density (g/cm3): 3.611
MAX. ABS. INTENSITY / VOLUME**2: 9.176492904
RIR: 0.827
RIR based on corundum from Acta Crystallographica A38 (1982) 733-739
2-THETA INTENSITY D-SPACING H K L Multiplicity
11.97 9.32 7.3966 1 1 0 4
14.41 7.31 6.1470 0 2 0 2
17.32 87.90 5.1213 1 2 0 4
23.74 2.04 3.7474 1 3 0 4
29.05 2.10 3.0735 0 4 0 2
29.54 26.05 3.0236 0 0 1 2
29.84 13.55 2.9938 3 1 0 4
30.65 5.23 2.9170 1 4 0 4
31.98 9.81 2.7988 1 1 1 8
32.46 10.27 2.7584 3 2 0 4
33.02 7.05 2.7131 0 2 1 4
35.04 100.00 2.5607 2 4 0 4
35.46 93.31 2.5316 2 0 1 4
36.23 2.33 2.4796 2 1 1 8
37.86 2.37 2.3765 1 5 0 4
38.25 8.51 2.3532 1 3 1 8
38.46 13.10 2.3408 2 2 1 8
38.90 5.09 2.3150 4 0 0 2
39.62 1.08 2.2750 4 1 0 4
41.59 37.89 2.1716 2 5 0 4
41.91 9.36 2.1554 0 4 1 4
41.95 8.69 2.1538 2 3 1 8
42.49 33.08 2.1274 3 1 1 8
44.46 67.11 2.0378 3 2 1 8
45.33 14.30 2.0006 1 6 0 4
46.47 10.93 1.9541 2 4 1 8
47.26 5.73 1.9232 3 5 0 4
47.59 37.33 1.9108 3 3 1 8
48.59 6.57 1.8737 2 6 0 4
48.74 1.12 1.8684 1 5 1 8
49.28 1.41 1.8491 4 4 0 4
49.59 1.16 1.8381 4 0 1 4
51.54 7.84 1.7733 5 2 0 4
51.73 2.12 1.7672 3 4 1 8
51.84 2.50 1.7638 2 5 1 8
51.92 14.16 1.7611 4 2 1 8
53.07 2.42 1.7255 1 7 0 4
53.69 2.87 1.7071 3 6 0 4
55.04 9.40 1.6684 1 6 1 8
57.90 5.31 1.5927 2 6 1 8
58.51 30.74 1.5775 4 4 1 8
60.22 8.56 1.5367 0 8 0 2
60.53 17.98 1.5296 5 2 1 8
61.13 2.42 1.5160 1 8 0 4
61.32 32.97 1.5118 0 0 2 2
61.92 34.27 1.4987 1 7 1 8
62.48 7.41 1.4865 3 6 1 8
62.82 4.99 1.4793 5 5 0 4
63.09 25.12 1.4736 5 3 1 8
63.15 2.12 1.4722 4 5 1 8
64.24 4.47 1.4499 1 2 2 8
66.57 1.14 1.4047 5 4 1 8
67.97 19.89 1.3792 6 4 0 4
68.23 1.48 1.3746 6 0 1 4
68.49 5.56 1.3700 0 8 1 4
68.91 2.75 1.3627 3 7 1 8
69.34 3.48 1.3552 1 8 1 8
69.68 1.60 1.3495 3 1 2 8
70.15 1.72 1.3415 6 2 1 8
70.92 1.31 1.3288 5 5 1 8
71.11 2.07 1.3257 3 2 2 8
71.87 3.84 1.3137 2 8 1 8
72.28 2.11 1.3072 6 5 0 4
72.62 19.14 1.3018 2 4 2 8
73.18 2.85 1.2932 7 2 0 4
74.04 4.63 1.2803 4 8 0 4
75.04 2.53 1.2658 4 0 2 4
75.52 1.47 1.2589 7 3 0 4
75.81 2.68 1.2548 6 4 1 8
76.09 1.03 1.2509 5 6 1 8
76.22 1.79 1.2491 3 9 0 4
76.83 5.96 1.2407 2 5 2 8
79.46 3.72 1.2061 1 6 2 8
79.46 2.34 1.2061 7 1 1 8
79.77 1.32 1.2022 2 9 1 8
80.88 1.56 1.1885 3 5 2 8
81.67 1.79 1.1790 4 8 1 8
81.87 2.12 1.1766 2 6 2 8
83.52 6.82 1.1575 8 0 0 2
84.15 2.71 1.1505 5 2 2 8
84.90 1.44 1.1421 3 10 0 4
85.87 1.20 1.1318 3 6 2 8
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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.