Cummingtonite
Yang H, Smyth J R
American Mineralogist 81 (1996) 363-368
Crystal structure of a P2_1/m ferromagnesian cummingtonite at 140 K
T = 295 K
_database_code_amcsd 0001789
CELL PARAMETERS: 9.5020 18.1260 5.3090 90.000 102.070 90.000
SPACE GROUP: C2/m
X-RAY WAVELENGTH: 1.541838
Cell Volume: 894.172
Density (g/cm3): 3.192
MAX. ABS. INTENSITY / VOLUME**2: 6.411670580
RIR: 0.654
RIR based on corundum from Acta Crystallographica A38 (1982) 733-739
2-THETA INTENSITY D-SPACING H K L Multiplicity
9.76 70.56 9.0630 0 2 0 2
10.70 84.14 8.2688 1 1 0 4
17.08 15.46 5.1916 0 0 1 2
17.51 7.39 5.0653 1 3 0 4
18.41 23.08 4.8192 -1 1 1 4
19.59 14.35 4.5315 0 4 0 2
19.71 4.64 4.5049 0 2 1 4
21.49 22.75 4.1344 2 2 0 4
21.84 6.69 4.0691 1 1 1 4
22.86 5.83 3.8898 -2 0 1 2
23.09 41.01 3.8516 -1 3 1 4
25.94 50.65 3.4351 1 3 1 4
26.10 6.56 3.4139 0 4 1 4
26.39 1.25 3.3773 1 5 0 4
27.50 61.80 3.2440 2 4 0 4
28.33 5.77 3.1502 2 0 1 2
29.25 81.01 3.0531 3 1 0 4
29.57 4.01 3.0210 0 6 0 2
30.03 49.54 2.9756 2 2 1 4
30.28 4.39 2.9515 -2 4 1 4
30.46 10.15 2.9348 -1 5 1 4
30.76 1.46 2.9065 -3 1 1 4
32.48 14.23 2.7563 3 3 0 4
32.71 100.00 2.7375 1 5 1 4
33.87 10.53 2.6470 -3 3 1 4
34.23 4.12 2.6199 -1 1 2 4
34.34 52.96 2.6111 0 6 1 4
34.55 3.70 2.5958 0 0 2 2
34.68 1.47 2.5866 2 4 1 4
35.44 6.21 2.5327 2 6 0 4
35.93 68.62 2.4996 -2 0 2 2
35.99 3.14 2.4955 0 2 2 4
37.32 2.69 2.4096 -2 2 2 4
37.70 2.22 2.3859 -2 6 1 4
38.22 4.48 2.3549 3 5 0 4
39.03 1.01 2.3079 -4 0 1 2
39.18 10.97 2.2993 -1 7 1 4
39.42 24.48 2.2856 -3 5 1 4
39.78 3.05 2.2657 0 8 0 2
40.07 1.40 2.2502 4 2 0 4
40.33 16.34 2.2366 -4 2 1 4
40.72 15.76 2.2158 -3 1 2 4
40.83 1.19 2.2101 1 3 2 4
41.01 11.53 2.2006 1 7 1 4
41.25 4.74 2.1887 -2 4 2 4
41.41 48.99 2.1804 2 6 1 4
43.20 2.97 2.0942 -3 3 2 4
43.34 24.15 2.0878 2 0 2 2
43.58 3.61 2.0766 0 8 1 4
43.79 2.11 2.0672 4 4 0 4
44.49 4.76 2.0365 2 8 0 4
44.53 1.90 2.0345 2 2 2 4
44.71 12.90 2.0268 3 5 1 4
45.67 2.81 1.9866 3 7 0 4
45.67 1.68 1.9865 1 5 2 4
46.02 1.91 1.9722 4 0 1 2
46.10 1.95 1.9688 0 6 2 4
46.12 3.45 1.9683 1 9 0 4
46.38 1.90 1.9578 -2 8 1 4
46.70 11.82 1.9449 -4 0 2 2
46.71 5.07 1.9445 -3 7 1 4
47.19 1.16 1.9258 -2 6 2 4
47.83 2.94 1.9016 -4 2 2 4
47.85 2.84 1.9010 -3 5 2 4
48.75 9.59 1.8681 -1 9 1 4
49.29 4.46 1.8487 5 1 0 4
49.50 2.39 1.8415 4 6 0 4
49.56 2.25 1.8394 2 8 1 4
49.71 1.81 1.8340 -4 6 1 4
50.30 1.98 1.8140 1 9 1 4
51.11 11.62 1.7872 -4 4 2 4
51.44 2.62 1.7763 5 3 0 4
53.34 1.27 1.7176 2 6 2 4
53.46 3.14 1.7140 -2 2 3 4
53.70 6.94 1.7070 0 8 2 4
53.94 3.66 1.6998 0 2 3 4
54.01 7.87 1.6979 -1 3 3 4
54.25 1.41 1.6909 -3 7 2 4
54.63 10.36 1.6800 -5 1 2 4
54.68 3.30 1.6787 -2 8 2 4
55.05 3.71 1.6681 -5 5 1 4
55.26 1.10 1.6624 -3 9 1 4
55.66 38.55 1.6515 4 6 1 4
56.25 1.09 1.6353 -4 6 2 4
56.74 13.12 1.6225 1 11 0 4
56.76 2.29 1.6220 4 8 0 4
58.01 24.74 1.5899 -1 5 3 4
58.61 6.14 1.5751 4 0 2 2
58.77 5.66 1.5711 2 10 1 4
59.57 1.73 1.5518 4 2 2 4
59.71 6.84 1.5487 6 0 0 2
60.25 2.87 1.5360 1 9 2 4
61.34 17.99 1.5113 -2 6 3 4
61.38 17.80 1.5105 0 12 0 2
61.78 7.18 1.5016 0 6 3 4
61.98 3.24 1.4972 5 5 1 4
62.42 6.66 1.4878 4 4 2 4
62.43 1.81 1.4876 4 8 1 4
62.98 2.79 1.4758 -4 8 2 4
63.15 7.33 1.4723 -6 0 2 2
63.71 6.08 1.4608 -1 7 3 4
64.00 4.72 1.4548 3 11 0 4
65.48 3.92 1.4255 -4 10 1 4
66.88 1.72 1.3990 -1 11 2 4
66.93 39.21 1.3981 -6 6 1 4
67.42 1.86 1.3891 6 2 1 4
67.77 1.16 1.3827 -2 8 3 4
67.90 6.19 1.3804 -4 6 3 4
68.11 12.75 1.3766 5 1 2 4
69.15 7.37 1.3585 2 6 3 4
69.42 5.27 1.3538 1 11 2 4
69.89 2.86 1.3459 5 3 2 4
70.90 1.56 1.3292 -1 9 3 4
71.11 1.88 1.3258 -3 11 2 4
71.15 2.38 1.3251 -5 5 3 4
71.23 2.96 1.3239 7 1 0 4
71.23 1.42 1.3238 -2 0 4 2
71.25 1.52 1.3235 -6 6 2 4
71.44 2.97 1.3204 -1 1 4 4
72.38 3.82 1.3056 0 12 2 4
72.88 10.59 1.2979 0 0 4 2
73.11 1.28 1.2944 -6 8 1 4
73.16 1.25 1.2936 -7 1 2 4
73.18 2.42 1.2934 -5 9 2 4
73.21 21.40 1.2928 -2 12 2 4
73.83 1.33 1.2835 -6 2 3 4
74.44 1.07 1.2745 6 6 1 4
74.61 1.20 1.2720 1 9 3 4
74.70 3.99 1.2707 -2 4 4 4
74.75 3.28 1.2700 -7 5 1 4
74.89 1.94 1.2680 -7 3 2 4
75.00 2.76 1.2663 4 12 0 4
75.64 1.51 1.2573 -2 10 3 4
75.84 2.18 1.2545 4 2 3 4
76.04 1.03 1.2517 0 10 3 4
76.17 4.18 1.2498 -4 0 4 2
78.09 3.32 1.2238 2 12 2 4
78.21 1.65 1.2222 6 0 2 2
80.15 1.24 1.1975 2 14 1 4
80.51 1.98 1.1930 -4 12 2 4
80.97 3.34 1.1874 2 0 4 2
81.68 9.84 1.1789 -5 11 2 4
81.79 1.24 1.1776 -8 2 1 4
83.17 1.94 1.1615 8 0 0 2
83.23 2.03 1.1608 1 15 1 4
85.75 1.09 1.1330 6 6 2 4
87.36 1.24 1.1163 -6 0 4 2
87.45 1.37 1.1153 5 13 0 4
87.52 3.10 1.1146 3 1 4 4
88.14 2.29 1.1083 7 9 0 4
88.48 1.26 1.1050 3 13 2 4
89.20 1.02 1.0979 5 5 3 4
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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.