Montebrasite
Groat L A, Raudsepp M, Hawthorne F C, Ercit T S, Sherriff B L, Hartman J S
American Mineralogist 75 (1990) 992-1008
The amblygonite-montebrasite series: Characterization by single-crystal
structure refinement, infrared spectroscopy and multinuclear MAS-NMR
spectroscopy
sample A-2
_database_code_amcsd 0001322
CELL PARAMETERS: 6.6984 7.7100 6.9830 91.060 117.810 91.490
SPACE GROUP: C-1
X-RAY WAVELENGTH: 1.541838
Cell Volume: 318.682
Density (g/cm3): 3.053
MAX. ABS. INTENSITY / VOLUME**2: 5.584745740
RIR: 0.596
RIR based on corundum from Acta Crystallographica A38 (1982) 733-739
2-THETA INTENSITY D-SPACING H K L Multiplicity
14.35 5.04 6.1728 0 0 1 2
18.54 9.04 4.7854 -1 1 0 2
18.99 34.99 4.6728 -1 1 1 2
19.10 70.51 4.6465 -1 -1 1 2
19.26 24.42 4.6076 1 1 0 2
23.09 9.63 3.8514 0 2 0 2
26.63 3.89 3.3477 -2 0 1 2
26.86 51.59 3.3196 0 -2 1 2
27.35 41.53 3.2611 1 -1 1 2
27.72 47.24 3.2179 0 2 1 2
27.93 63.43 3.1940 -1 -1 2 2
28.27 28.92 3.1563 1 1 1 2
28.28 100.00 3.1557 -1 1 2 2
28.93 4.36 3.0864 0 0 2 2
30.19 96.78 2.9601 2 0 0 2
30.55 7.83 2.9258 -2 0 2 2
35.06 13.72 2.5592 -2 2 1 2
35.99 25.53 2.4953 -2 -2 1 2
36.68 9.15 2.4502 0 -2 2 2
37.59 1.62 2.3927 -2 2 0 2
37.64 36.41 2.3900 -1 3 0 2
37.99 6.38 2.3687 0 2 2 2
38.53 5.37 2.3364 -2 2 2 2
38.77 3.78 2.3226 1 3 0 2
39.10 6.81 2.3038 2 2 0 2
39.43 11.02 2.2851 2 0 1 2
40.01 4.84 2.2536 -2 0 3 2
41.12 8.90 2.1952 -1 1 3 2
42.65 23.89 2.1199 1 -3 1 2
43.14 9.03 2.0969 -3 -1 2 2
44.15 3.23 2.0513 -1 3 2 2
44.53 5.08 2.0346 1 3 1 2
45.26 1.69 2.0034 2 -2 1 2
46.52 26.53 1.9520 -2 -2 3 2
46.87 5.91 1.9382 -2 2 3 2
47.09 4.63 1.9299 -3 1 0 2
47.11 1.58 1.9291 2 2 1 2
47.20 6.85 1.9257 0 4 0 2
48.04 17.82 1.8939 3 1 0 2
48.05 1.10 1.8935 -3 1 3 2
50.11 2.40 1.8205 0 4 1 2
51.04 13.54 1.7892 0 2 3 2
51.92 1.68 1.7610 1 -3 2 2
52.53 20.55 1.7422 -2 0 4 2
54.07 2.84 1.6960 -1 3 3 2
54.55 1.32 1.6824 -3 3 2 2
54.85 3.45 1.6739 -4 0 2 2
55.01 4.28 1.6692 -1 -1 4 2
55.35 12.26 1.6598 0 -4 2 2
55.66 1.15 1.6513 -3 -3 2 2
55.69 1.44 1.6504 -1 1 4 2
55.85 1.11 1.6460 -3 -3 1 2
55.93 6.52 1.6440 3 -1 1 2
56.43 4.27 1.6306 2 -2 2 2
57.01 2.53 1.6154 3 1 1 2
57.11 15.23 1.6129 -2 4 2 2
57.24 1.64 1.6095 -3 -1 4 2
57.26 7.16 1.6089 0 4 2 2
57.44 8.63 1.6042 -2 -4 2 2
57.80 16.94 1.5951 -3 3 0 2
58.48 15.43 1.5782 2 2 2 2
58.50 9.94 1.5779 -2 2 4 2
59.33 1.62 1.5576 -3 3 3 2
59.94 2.21 1.5432 0 0 4 2
60.26 9.28 1.5359 3 3 0 2
60.91 10.25 1.5210 -4 -2 2 2
61.64 1.22 1.5048 2 -4 1 2
62.15 1.23 1.4936 -4 2 3 2
62.78 8.45 1.4800 4 0 0 2
62.92 1.20 1.4772 -4 -2 3 2
62.95 3.68 1.4765 -4 -2 1 2
63.60 10.91 1.4629 -4 0 4 2
64.24 2.78 1.4499 0 -2 4 2
64.98 8.12 1.4352 -1 -3 4 2
65.01 2.79 1.4347 1 -5 1 2
65.20 3.77 1.4309 0 -4 3 2
65.90 8.63 1.4174 -1 -5 2 2
66.79 7.27 1.4007 -1 5 2 2
66.82 5.63 1.4000 -1 3 4 2
66.82 3.83 1.4000 -4 2 0 2
67.51 3.56 1.3874 -3 -3 4 2
67.81 1.97 1.3820 -3 3 4 2
67.84 5.48 1.3815 3 -1 2 2
68.47 1.59 1.3703 -4 2 4 2
69.02 1.29 1.3607 3 1 2 2
69.31 4.06 1.3558 -3 -1 5 2
70.15 1.72 1.3416 2 -2 3 2
70.47 1.48 1.3363 1 -1 4 2
70.87 2.21 1.3296 2 -4 2 2
72.11 2.97 1.3099 1 -5 2 2
72.39 2.88 1.3054 2 2 3 2
72.59 2.03 1.3023 -2 2 5 2
73.05 3.35 1.2952 -1 -5 3 2
73.42 4.03 1.2897 -4 0 5 2
73.81 1.34 1.2838 0 6 0 2
73.98 4.93 1.2812 -3 5 1 2
74.09 10.69 1.2796 -4 4 2 2
74.50 5.41 1.2736 2 4 2 2
74.94 2.11 1.2673 -1 5 3 2
75.40 1.04 1.2607 1 5 2 2
75.86 3.84 1.2541 4 -2 1 2
76.22 7.97 1.2491 -3 -5 2 2
76.25 5.00 1.2487 -5 -1 4 2
76.32 2.94 1.2477 -4 -4 2 2
76.59 1.53 1.2440 -3 -5 1 2
77.94 1.13 1.2258 -4 -4 3 2
78.21 1.32 1.2222 -4 2 5 2
78.38 4.03 1.2201 -4 -4 1 2
78.93 4.34 1.2129 1 -3 4 2
78.97 3.18 1.2124 -3 5 3 2
79.76 2.71 1.2023 -1 -3 5 2
81.22 1.84 1.1844 0 4 4 2
82.06 4.63 1.1744 1 3 4 2
82.41 1.45 1.1702 -5 -3 3 2
82.43 2.55 1.1700 3 -1 3 2
82.56 2.87 1.1685 1 -5 3 2
82.95 2.73 1.1640 0 2 5 2
82.99 2.48 1.1636 2 0 4 2
83.19 1.72 1.1613 2 6 0 2
83.22 1.19 1.1609 -5 3 1 2
84.81 5.83 1.1432 -5 3 4 2
86.33 1.54 1.1269 2 -2 4 2
86.73 1.48 1.1228 1 5 3 2
88.57 1.18 1.1041 1 -1 5 2
89.07 1.88 1.0992 2 6 1 2
89.86 1.44 1.0916 -5 3 0 2
================================================================================
XPOW Copyright 1993 Bob Downs, Ranjini Swaminathan and Kurt Bartelmehs
For reference, see Downs et al. (1993) American Mineralogist 78, 1104-1107.