Carlosbarbosaite
Atencio D, Roberts A C, Cooper M A, Menezes L A D, Coutinho J M V,
Stirling J A R, Venance K E, Ball N A, Moffatt E, Chaves M L S C,
Brandao P R G, Romano A W
Mineralogical Magazine 76 (2012) 75-90
Carlosbarbosaite, ideally (UO2)2Nb2O6(OH)2*2H2O, a new hydrated uranyl
niobate mineral with tunnels from Jaguaracu, Minas Gerais, Brazil:
description and crystal structure
Locality: Jaguaracu, Minas Gerais, Brazil
_database_code_amcsd 0018664
CELL PARAMETERS: 14.1500 10.3950 7.5290 90.000 90.000 90.000
SPACE GROUP: Cmcm
X-RAY WAVELENGTH: 1.541838
Cell Volume: 1107.435
Density (g/cm3): 4.717
MAX. ABS. INTENSITY / VOLUME**2: 50.70136887
RIR: 3.500
RIR based on corundum from Acta Crystallographica A38 (1982) 733-739
2-THETA INTENSITY D-SPACING H K L Multiplicity
10.56 80.97 8.3774 1 1 0 4
12.51 98.56 7.0750 2 0 0 2
15.83 3.38 5.5998 1 1 1 8
17.06 5.33 5.1975 0 2 0 2
20.68 24.78 4.2952 3 1 0 4
20.77 6.60 4.2773 0 2 1 4
21.21 100.00 4.1887 2 2 0 4
23.63 3.72 3.7645 0 0 2 2
23.85 12.65 3.7308 3 1 1 8
24.32 9.22 3.6604 2 2 1 8
25.17 3.91 3.5375 4 0 0 2
25.95 24.39 3.4337 1 1 2 8
26.48 10.74 3.3656 1 3 0 4
26.83 53.28 3.3233 2 0 2 4
29.29 72.49 3.0488 0 2 2 4
30.57 64.47 2.9244 4 2 0 4
31.60 10.19 2.8310 3 1 2 8
31.96 42.10 2.7999 2 2 2 8
32.05 2.21 2.7925 3 3 0 4
32.80 5.46 2.7306 5 1 0 4
32.86 1.33 2.7260 4 2 1 8
34.25 3.50 2.6182 3 3 1 8
34.51 10.57 2.5988 0 4 0 2
34.80 23.91 2.5779 4 0 2 4
34.95 4.52 2.5670 5 1 1 8
35.79 6.08 2.5090 1 3 2 8
36.58 2.05 2.4565 0 4 1 4
36.85 9.45 2.4394 2 4 0 4
37.41 2.37 2.4041 1 1 3 8
38.16 2.18 2.3583 6 0 0 2
38.81 6.09 2.3206 2 4 1 8
39.00 2.12 2.3094 4 2 2 8
39.89 3.56 2.2600 0 2 3 4
40.82 3.57 2.2104 5 1 2 8
41.19 11.23 2.1918 5 3 0 4
41.68 2.42 2.1669 3 1 3 8
41.97 3.06 2.1528 2 2 3 8
42.07 4.48 2.1476 6 2 0 4
42.26 2.78 2.1386 0 4 2 4
42.98 7.08 2.1045 5 3 1 8
44.02 1.89 2.0569 1 5 0 4
44.24 10.93 2.0472 2 4 2 8
44.92 8.13 2.0177 4 4 1 8
45.38 4.22 1.9985 6 0 2 4
47.38 5.41 1.9187 7 1 1 8
47.76 1.06 1.9045 4 2 3 8
47.81 2.68 1.9024 3 5 0 4
48.03 1.80 1.8942 5 3 2 8
48.36 15.47 1.8822 0 0 4 2
48.79 1.65 1.8666 3 3 3 8
48.82 13.37 1.8654 6 2 2 8
49.32 4.51 1.8478 5 1 3 8
49.41 1.14 1.8444 3 5 1 8
49.64 2.17 1.8365 1 1 4 8
49.82 34.74 1.8302 4 4 2 8
50.15 5.01 1.8190 2 0 4 4
50.57 2.07 1.8050 1 5 2 8
51.68 5.67 1.7687 8 0 0 2
52.10 1.15 1.7553 7 1 2 8
52.30 3.25 1.7492 2 4 3 8
52.39 6.90 1.7464 6 4 0 4
52.40 2.95 1.7460 7 3 0 4
53.13 2.56 1.7240 3 1 4 8
53.36 11.15 1.7169 2 2 4 8
53.89 1.86 1.7013 6 4 1 8
53.90 3.42 1.7009 7 3 1 8
54.34 2.61 1.6884 0 6 1 4
54.53 1.78 1.6828 2 6 0 4
55.68 1.21 1.6509 5 3 3 8
55.97 1.97 1.6428 1 3 4 8
55.99 4.18 1.6423 2 6 1 8
56.25 1.45 1.6355 5 5 1 8
57.30 2.91 1.6080 4 4 3 8
58.24 1.01 1.5842 6 4 2 8
58.30 15.29 1.5827 4 2 4 8
58.66 5.66 1.5738 0 6 2 4
59.38 2.37 1.5565 7 1 3 8
59.40 4.80 1.5559 4 6 0 4
59.46 2.01 1.5545 9 1 0 4
59.66 1.91 1.5497 5 1 4 8
60.24 3.21 1.5363 2 6 2 8
60.48 4.77 1.5307 5 5 2 8
60.52 8.39 1.5299 8 2 2 8
60.76 4.85 1.5244 0 4 4 4
60.79 2.51 1.5237 4 6 1 8
60.85 4.10 1.5224 9 1 1 8
62.31 2.69 1.4902 2 4 4 8
63.21 1.47 1.4711 6 0 4 4
63.64 3.48 1.4622 8 4 0 4
65.08 1.98 1.4333 7 3 3 8
65.35 3.14 1.4280 5 3 4 8
66.00 1.64 1.4155 6 2 4 8
66.47 1.77 1.4065 9 3 1 8
66.95 1.84 1.3977 2 6 3 8
68.21 1.59 1.3749 1 7 2 8
68.33 1.63 1.3728 6 6 1 8
68.76 1.26 1.3653 10 2 0 4
69.50 1.82 1.3525 7 5 2 8
70.35 2.88 1.3382 9 3 2 8
70.36 1.09 1.3380 3 5 4 8
71.11 2.05 1.3257 3 7 2 8
71.19 1.83 1.3245 10 0 2 4
71.32 1.05 1.3224 4 6 3 8
71.37 2.66 1.3216 9 1 3 8
71.79 1.04 1.3150 5 7 0 4
72.16 1.81 1.3091 6 6 2 8
72.78 1.11 1.2994 0 8 0 2
73.47 2.62 1.2890 8 0 4 4
74.04 1.17 1.2804 0 8 1 4
74.05 2.63 1.2802 6 4 4 8
74.06 1.19 1.2801 7 3 4 8
75.45 2.01 1.2600 2 8 1 8
75.54 2.44 1.2587 11 1 1 8
75.83 1.21 1.2545 2 6 4 8
75.87 1.15 1.2540 9 5 0 4
77.10 1.00 1.2370 9 5 1 8
77.21 1.20 1.2356 2 0 6 4
78.37 1.16 1.2201 6 6 3 8
78.40 2.42 1.2198 0 2 6 4
79.63 1.38 1.2040 4 8 1 8
79.78 1.69 1.2021 2 2 6 8
80.01 2.84 1.1992 4 6 4 8
80.06 1.10 1.1986 9 1 4 8
80.69 1.09 1.1908 11 3 1 8
81.36 1.85 1.1826 4 0 6 4
81.94 1.49 1.1758 8 6 2 8
83.27 1.75 1.1603 4 8 2 8
83.77 2.45 1.1547 8 4 4 8
85.30 1.20 1.1379 11 1 3 8
87.40 1.03 1.1159 2 4 6 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.