Dumortierite
Alexander V D, Griffen D T, Martin T J
American Mineralogist 71 (1986) 786-794
Crystal chemistry of some Fe- and Ti-poor dumortierites
Sample: #11, USNM 141800, from Ambositra, Madagascar
_database_code_amcsd 0001025
CELL PARAMETERS: 11.8020 20.2220 4.6950 90.000 90.000 90.000
SPACE GROUP: Pmcn
X-RAY WAVELENGTH: 1.541838
Cell Volume: 1120.509
Density (g/cm3): 3.338
MAX. ABS. INTENSITY / VOLUME**2: 3.728922336
RIR: 0.364
RIR based on corundum from Acta Crystallographica A38 (1982) 733-739
2-THETA INTENSITY D-SPACING H K L Multiplicity
8.68 8.29 10.1930 1 1 0 4
15.01 59.35 5.9010 2 0 0 2
15.14 100.00 5.8532 1 3 0 4
17.40 44.65 5.0965 2 2 0 4
17.54 29.48 5.0555 0 4 0 2
19.41 1.92 4.5734 0 1 1 4
20.83 28.30 4.2644 1 1 1 8
20.86 14.88 4.2583 0 2 1 4
22.19 11.76 4.0056 1 2 1 8
23.03 12.86 3.8616 3 1 0 4
23.09 7.07 3.8526 0 3 1 4
23.17 10.29 3.8392 2 4 0 4
23.25 10.60 3.8260 1 5 0 4
24.63 7.29 3.6148 2 1 1 8
25.80 55.83 3.4531 2 2 1 8
25.90 33.03 3.4403 0 4 1 4
26.23 14.04 3.3977 3 3 0 4
26.45 4.41 3.3703 0 6 0 2
27.00 22.86 3.3028 1 4 1 8
27.65 89.62 3.2259 2 3 1 8
29.14 48.00 3.0642 0 5 1 4
29.96 6.59 2.9824 3 1 1 8
30.07 3.33 2.9721 2 4 1 8
30.13 4.20 2.9659 1 5 1 8
30.29 14.44 2.9505 4 0 0 2
30.55 36.90 2.9266 2 6 0 4
30.95 64.03 2.8896 3 2 1 8
31.73 3.23 2.8200 3 5 0 4
32.53 1.16 2.7525 3 3 1 8
32.94 12.23 2.7195 2 5 1 8
33.60 34.39 2.6671 1 6 1 8
35.22 33.83 2.5483 4 4 0 4
35.51 14.34 2.5278 0 8 0 2
36.23 20.91 2.4793 4 1 1 8
36.52 19.65 2.4604 0 7 1 4
37.07 8.82 2.4252 4 2 1 8
37.19 15.19 2.4174 3 5 1 8
37.33 12.76 2.4086 1 7 1 8
38.34 7.93 2.3475 0 0 2 2
38.39 1.94 2.3445 5 1 0 4
38.43 23.74 2.3425 4 3 1 8
38.61 5.97 2.3318 0 1 2 4
38.75 1.68 2.3235 2 8 0 4
39.40 1.15 2.2867 0 2 2 4
39.69 1.24 2.2709 2 7 1 8
40.27 13.00 2.2396 4 4 1 8
40.53 7.52 2.2257 0 8 1 4
41.28 5.97 2.1871 1 8 1 8
41.39 9.68 2.1812 2 0 2 4
41.44 20.30 2.1788 1 3 2 8
41.65 1.51 2.1687 2 1 2 8
42.39 1.08 2.1322 2 2 2 8
42.53 6.34 2.1254 4 5 1 8
43.13 41.32 2.0975 5 1 1 8
43.38 35.89 2.0860 3 7 1 8
43.46 41.37 2.0825 2 8 1 8
43.85 5.72 2.0645 5 2 1 8
44.97 6.35 2.0159 3 0 2 4
45.04 1.51 2.0127 5 3 1 8
45.20 4.64 2.0059 3 1 2 8
45.28 3.35 2.0028 2 4 2 8
45.32 6.81 2.0009 1 5 2 8
45.90 4.16 1.9770 3 2 2 8
46.67 8.77 1.9463 5 4 1 8
46.90 1.43 1.9371 3 8 1 8
47.05 6.42 1.9314 3 3 2 8
47.18 1.12 1.9263 0 6 2 4
47.35 12.19 1.9198 2 5 2 8
47.43 6.87 1.9168 2 9 1 8
47.85 6.28 1.9011 1 6 2 8
48.62 12.75 1.8725 3 4 2 8
49.05 1.00 1.8573 0 10 1 4
49.69 16.15 1.8347 1 10 1 8
49.79 1.27 1.8312 2 6 2 8
50.07 14.93 1.8218 0 7 2 4
50.51 6.73 1.8070 6 1 1 8
51.09 16.43 1.7878 5 6 1 8
51.15 3.26 1.7857 6 2 1 8
51.43 2.28 1.7768 4 8 1 8
51.57 22.65 1.7724 4 3 2 8
51.59 2.34 1.7716 2 10 1 8
52.21 8.41 1.7519 6 3 1 8
52.57 8.24 1.7408 2 7 2 8
52.92 9.84 1.7300 3 6 2 8
53.04 9.98 1.7266 4 4 2 8
53.25 2.72 1.7201 0 8 2 4
53.68 2.63 1.7076 6 4 1 8
53.82 3.16 1.7033 5 7 1 8
54.14 2.42 1.6941 1 11 1 8
54.89 6.85 1.6726 4 5 2 8
55.05 3.09 1.6680 4 10 0 4
55.18 3.06 1.6645 5 0 2 4
55.39 7.14 1.6589 5 1 2 8
55.59 9.00 1.6532 3 7 2 8
55.66 8.57 1.6514 2 8 2 8
55.93 6.96 1.6440 2 11 1 8
55.99 4.60 1.6424 5 2 2 8
56.24 2.91 1.6356 7 3 0 4
56.55 2.04 1.6274 5 9 0 4
56.71 2.94 1.6232 0 9 2 4
56.82 1.29 1.6204 2 12 0 4
56.86 14.30 1.6193 5 8 1 8
56.99 4.84 1.6159 5 3 2 8
57.10 4.61 1.6130 4 6 2 8
57.29 3.23 1.6081 1 9 2 8
57.71 1.22 1.5975 6 6 1 8
58.37 2.01 1.5810 5 4 2 8
58.92 7.46 1.5676 7 2 1 8
59.39 9.88 1.5562 7 5 0 4
59.55 9.59 1.5524 6 8 0 4
59.88 2.21 1.5446 7 3 1 8
59.98 11.94 1.5422 1 13 0 4
60.18 2.06 1.5377 5 9 1 8
60.24 9.75 1.5364 6 7 1 8
60.44 2.01 1.5317 2 12 1 8
60.98 1.63 1.5194 1 10 2 8
61.22 1.53 1.5140 7 4 1 8
61.69 6.52 1.5035 6 1 2 8
61.83 3.49 1.5005 3 9 2 8
62.20 2.05 1.4924 5 6 2 8
62.26 2.62 1.4912 6 2 2 8
62.50 4.58 1.4860 4 8 2 8
62.64 3.10 1.4830 2 10 2 8
62.95 7.58 1.4766 0 13 1 4
63.01 12.35 1.4753 8 0 0 2
63.20 3.77 1.4713 6 3 2 8
63.21 6.80 1.4710 3 12 1 8
63.58 21.39 1.4633 4 12 0 4
63.76 11.69 1.4596 5 10 1 8
64.22 9.48 1.4504 3 1 3 8
64.28 10.89 1.4492 2 4 3 8
64.31 10.95 1.4485 1 5 3 8
64.41 1.59 1.4466 3 13 0 4
64.96 4.41 1.4356 7 6 1 8
65.12 1.36 1.4324 2 13 1 8
65.37 9.19 1.4277 3 10 2 8
65.65 10.39 1.4222 4 9 2 8
65.96 1.08 1.4162 8 4 0 4
66.14 1.46 1.4127 6 5 2 8
66.52 7.34 1.4057 2 11 2 8
66.61 1.60 1.4040 8 1 1 8
67.33 3.80 1.3908 7 7 1 8
67.36 3.70 1.3902 5 8 2 8
67.89 2.61 1.3806 0 14 1 4
68.05 1.84 1.3777 8 3 1 8
68.14 3.98 1.3761 0 7 3 4
68.50 2.66 1.3698 4 2 3 8
68.58 3.41 1.3684 3 5 3 8
69.08 2.30 1.3597 4 10 2 8
69.24 6.32 1.3570 7 2 2 8
69.39 5.09 1.3544 4 3 3 8
69.56 1.53 1.3515 8 6 0 4
69.73 2.10 1.3486 7 9 0 4
69.99 1.61 1.3443 2 14 1 8
70.01 1.35 1.3439 7 8 1 8
70.53 1.27 1.3352 3 6 3 8
70.63 30.00 1.3336 4 4 3 8
70.81 14.01 1.3306 0 8 3 4
70.90 2.96 1.3292 8 5 1 8
72.21 1.38 1.3082 4 5 3 8
72.57 2.14 1.3027 3 14 1 8
72.78 13.14 1.2994 4 11 2 8
72.81 1.66 1.2989 3 7 3 8
72.82 1.24 1.2989 5 13 0 4
72.87 2.34 1.2980 2 8 3 8
72.92 1.01 1.2973 4 14 0 4
72.93 2.37 1.2971 7 5 2 8
72.99 1.31 1.2962 7 9 1 8
73.02 7.85 1.2958 0 15 1 4
73.08 1.86 1.2949 6 8 2 8
73.31 3.09 1.2913 6 11 1 8
73.47 2.55 1.2889 1 13 2 8
73.53 1.02 1.2880 1 15 1 8
74.13 1.58 1.2791 4 6 3 8
74.29 1.34 1.2767 1 9 3 8
74.47 2.84 1.2741 8 8 0 4
74.84 2.18 1.2687 7 6 2 8
75.05 9.12 1.2656 2 15 1 8
75.08 9.86 1.2652 8 7 1 8
75.17 1.87 1.2639 0 16 0 2
75.92 2.71 1.2533 9 2 1 8
76.22 1.48 1.2491 8 0 2 4
76.28 9.14 1.2483 7 10 1 8
76.39 7.46 1.2467 8 1 2 8
76.75 2.07 1.2418 4 12 2 8
76.78 1.06 1.2414 9 3 1 8
76.78 2.25 1.2414 5 5 3 8
77.33 1.33 1.2339 5 11 2 8
77.51 2.08 1.2315 3 13 2 8
77.97 5.52 1.2253 9 4 1 8
80.53 1.00 1.1927 8 9 1 8
80.99 1.73 1.1871 4 13 2 8
81.36 3.32 1.1827 9 6 1 8
81.57 3.43 1.1802 10 0 0 2
82.11 1.30 1.1738 0 0 4 2
82.24 2.72 1.1722 10 2 0 4
82.28 1.34 1.1718 0 1 4 4
82.38 5.30 1.1706 5 15 0 4
82.77 1.97 1.1660 1 1 4 8
82.78 1.41 1.1659 0 2 4 4
82.93 2.66 1.1642 6 14 0 4
83.15 1.80 1.1618 4 16 0 4
83.28 2.71 1.1603 1 2 4 8
83.55 1.40 1.1572 9 7 1 8
83.73 1.20 1.1552 8 10 1 8
84.48 2.86 1.1468 2 15 2 8
84.75 1.05 1.1438 2 2 4 8
84.79 1.04 1.1433 0 4 4 4
85.67 3.01 1.1339 7 10 2 8
86.22 2.31 1.1281 5 9 3 8
86.79 1.75 1.1221 1 5 4 8
87.33 1.32 1.1166 9 4 2 8
88.19 1.35 1.1079 1 16 2 8
88.85 1.18 1.1013 10 5 1 8
88.89 1.27 1.1010 9 9 1 8
89.20 1.42 1.0979 3 4 4 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.