Chestermanite
Alfredsson V, Bovin J O, Norrestam R, Terasaki O
Acta Chemica Scandinavica 45 (1991) 797-804
The structure of the mineral chestermanite,
Mg2.25Al0.16Fe0.43Ti0.02Sb0.13O2BO3. A combined single-crystal X-ray and HREM
study
_database_code_amcsd 0011934
CELL PARAMETERS: 18.5250 12.2720 3.0218 90.000 90.000 90.000
SPACE GROUP: Pbam
X-RAY WAVELENGTH: 1.541838
Cell Volume: 686.972
Density (g/cm3): 3.634
MAX. ABS. INTENSITY / VOLUME**2: 9.647613708
RIR: 0.864
RIR based on corundum from Acta Crystallographica A38 (1982) 733-739
2-THETA INTENSITY D-SPACING H K L Multiplicity
8.64 8.41 10.2308 1 1 0 4
9.55 3.05 9.2625 2 0 0 2
11.97 1.68 7.3930 2 1 0 4
14.44 2.50 6.1360 0 2 0 2
15.21 6.07 5.8248 1 2 0 4
16.07 13.69 5.5161 3 1 0 4
17.34 91.34 5.1154 2 2 0 4
22.26 1.08 3.9944 1 3 0 4
23.78 2.36 3.7420 2 3 0 4
24.08 1.03 3.6965 4 2 0 4
25.11 10.73 3.5469 5 1 0 4
26.13 6.13 3.4103 3 3 0 4
29.11 3.47 3.0680 0 4 0 2
29.56 24.70 3.0218 0 0 1 2
29.84 4.61 2.9942 6 1 0 4
30.70 2.30 2.9124 2 4 0 4
32.00 2.78 2.7972 2 1 1 8
32.46 12.11 2.7580 6 2 0 4
32.59 9.60 2.7476 3 4 0 4
32.61 1.73 2.7461 5 3 0 4
33.04 1.29 2.7109 0 2 1 4
33.41 4.24 2.6823 1 2 1 8
33.82 5.76 2.6502 3 1 1 8
35.08 86.12 2.5577 4 4 0 4
35.47 100.00 2.5307 4 0 1 4
36.19 7.17 2.4822 3 2 1 8
36.24 1.54 2.4786 4 1 1 8
36.94 4.19 2.4331 1 5 0 4
37.31 5.52 2.4099 1 3 1 8
38.08 3.19 2.3630 5 4 0 4
38.28 4.64 2.3510 2 3 1 8
38.89 5.13 2.3156 8 0 0 2
39.16 17.41 2.3002 5 1 1 8
39.51 1.08 2.2808 3 5 0 4
39.86 1.94 2.2617 3 3 1 8
41.26 2.11 2.1878 5 2 1 8
41.65 31.98 2.1687 4 5 0 4
41.97 11.24 2.1529 0 4 1 4
41.98 2.87 2.1522 4 3 1 8
42.50 12.11 2.1269 6 1 1 8
44.27 3.43 2.0462 5 5 0 4
44.47 68.10 2.0371 6 2 1 8
44.59 5.04 2.0323 5 3 1 8
44.64 1.56 2.0300 9 1 0 4
45.41 12.71 1.9972 2 6 0 4
46.19 2.21 1.9652 7 1 1 8
46.52 10.93 1.9523 4 4 1 8
46.79 3.87 1.9416 3 6 0 4
47.62 24.12 1.9098 6 3 1 8
48.01 1.64 1.8951 1 5 1 8
48.05 8.80 1.8937 7 2 1 8
48.67 2.27 1.8710 4 6 0 4
49.60 1.27 1.8380 8 0 1 4
50.73 3.48 1.7996 7 5 0 4
51.00 2.14 1.7906 5 6 0 4
51.02 8.84 1.7901 7 3 1 8
51.53 8.96 1.7734 10 2 0 4
51.90 2.15 1.7619 4 5 1 8
51.93 1.54 1.7607 8 2 1 8
53.17 2.63 1.7226 2 7 0 4
53.76 3.03 1.7051 6 6 0 4
54.98 2.93 1.6701 7 4 1 8
55.12 9.48 1.6662 2 6 1 8
56.10 5.39 1.6393 9 2 1 8
56.32 2.73 1.6335 3 6 1 8
57.98 2.07 1.5908 4 6 1 8
58.52 2.73 1.5771 9 5 0 4
58.54 30.49 1.5767 8 4 1 8
58.79 4.04 1.5708 9 3 1 8
59.81 1.59 1.5462 7 5 1 8
60.06 2.13 1.5405 5 6 1 8
60.34 5.27 1.5340 0 8 0 2
60.53 18.65 1.5295 10 2 1 8
60.57 3.53 1.5288 1 8 0 4
60.75 1.07 1.5245 6 7 0 4
61.25 1.27 1.5134 2 8 0 4
61.36 30.98 1.5109 0 0 2 2
62.02 29.11 1.4965 2 7 1 8
62.42 1.65 1.4878 9 4 1 8
62.55 6.89 1.4850 6 6 1 8
62.96 1.08 1.4763 11 4 0 4
63.10 16.57 1.4733 10 3 1 8
63.13 1.99 1.4727 3 7 1 8
63.20 1.70 1.4712 8 5 1 8
63.71 1.83 1.4606 11 1 1 8
64.29 5.08 1.4490 2 2 2 8
67.37 1.00 1.3900 5 1 2 8
67.44 1.05 1.3886 11 5 0 4
67.98 17.27 1.3790 12 4 0 4
68.22 2.14 1.3747 12 0 1 4
68.31 1.14 1.3730 10 6 0 4
68.61 3.90 1.3678 0 8 1 4
68.82 2.69 1.3641 1 8 1 8
69.00 2.08 1.3611 6 7 1 8
69.46 1.99 1.3532 2 8 1 8
70.52 1.54 1.3355 3 8 1 8
71.15 2.67 1.3251 6 2 2 8
71.22 1.41 1.3239 3 4 2 8
71.98 3.70 1.3118 4 8 1 8
72.31 1.67 1.3068 12 5 0 4
72.69 16.66 1.3009 4 4 2 8
73.17 3.44 1.2935 14 2 0 4
73.24 1.01 1.2924 13 4 0 4
73.83 1.09 1.2836 1 5 2 8
74.09 1.22 1.2796 5 9 0 4
74.14 3.25 1.2788 8 8 0 4
75.07 2.59 1.2654 8 0 2 4
75.52 1.25 1.2590 14 3 0 4
75.83 2.74 1.2546 12 4 1 8
76.15 1.47 1.2500 10 6 1 8
76.90 4.88 1.2397 4 5 2 8
79.55 3.56 1.2049 2 6 2 8
79.91 1.14 1.2004 4 9 1 8
80.56 1.10 1.1924 3 6 2 8
81.78 1.55 1.1777 8 8 1 8
83.49 6.59 1.1578 16 0 0 2
83.55 1.23 1.1571 7 5 2 8
84.18 3.24 1.1501 10 2 2 8
85.06 1.13 1.1404 6 10 0 4
85.96 1.36 1.1308 6 6 2 8
87.65 1.52 1.1133 7 10 0 4
89.92 1.37 1.0910 9 5 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.