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 = 140 K
_database_code_amcsd 0001788
CELL PARAMETERS: 9.4920 18.0930 5.2920 90.000 102.110 90.000
SPACE GROUP: P2_1/m
X-RAY WAVELENGTH: 1.541838
Cell Volume: 888.617
Density (g/cm3): 3.212
MAX. ABS. INTENSITY / VOLUME**2: 6.542487412
RIR: 0.663
RIR based on corundum from Acta Crystallographica A38 (1982) 733-739
2-THETA INTENSITY D-SPACING H K L Multiplicity
9.78 69.08 9.0465 0 2 0 2
10.71 81.75 8.2578 1 1 0 4
17.14 15.60 5.1742 0 0 1 2
17.54 7.48 5.0570 1 3 0 4
18.46 22.44 4.8069 -1 1 1 4
19.13 1.05 4.6404 2 0 0 2
19.63 13.85 4.5233 0 4 0 2
19.77 4.81 4.4915 0 2 1 4
20.34 1.64 4.3667 -1 2 1 4
21.52 23.09 4.1289 2 2 0 4
21.91 6.41 4.0571 1 1 1 4
22.90 5.85 3.8832 -2 0 1 2
23.15 38.65 3.8428 -1 3 1 4
26.01 50.13 3.4261 1 3 1 4
26.17 6.67 3.4055 0 4 1 4
26.44 1.07 3.3714 1 5 0 4
27.54 61.25 3.2390 2 4 0 4
28.40 5.71 3.1424 2 0 1 2
29.29 81.17 3.0493 3 1 0 4
29.62 3.98 3.0155 0 6 0 2
30.11 48.61 2.9685 2 2 1 4
30.34 4.26 2.9464 -2 4 1 4
30.52 8.66 2.9286 -1 5 1 4
30.80 1.44 2.9027 -3 1 1 4
32.53 13.86 2.7526 3 3 0 4
32.79 100.00 2.7311 1 5 1 4
33.91 10.38 2.6433 -3 3 1 4
34.34 3.61 2.6118 -1 1 2 4
34.42 49.22 2.6053 0 6 1 4
34.67 3.53 2.5871 0 0 2 2
34.76 1.45 2.5808 2 4 1 4
34.77 1.79 2.5803 -1 6 1 4
35.50 5.98 2.5285 2 6 0 4
36.03 70.07 2.4930 -2 0 2 2
36.11 3.01 2.4874 0 2 2 4
36.80 2.57 2.4421 1 6 1 4
37.42 2.66 2.4034 -2 2 2 4
37.77 2.18 2.3817 -2 6 1 4
38.28 4.51 2.3514 3 5 0 4
39.07 1.12 2.3053 -4 0 1 2
39.26 10.37 2.2947 -1 7 1 4
39.49 23.59 2.2822 -3 5 1 4
39.86 2.85 2.2616 0 8 0 2
40.12 1.45 2.2475 4 2 0 4
40.38 16.15 2.2339 -4 2 1 4
40.49 2.20 2.2279 -3 0 2 2
40.81 15.31 2.2112 -3 1 2 4
40.96 1.07 2.2034 1 3 2 4
41.11 11.57 2.1959 1 7 1 4
41.35 4.18 2.1834 -2 4 2 4
41.50 50.61 2.1758 2 6 1 4
43.29 2.78 2.0899 -3 3 2 4
43.48 22.51 2.0815 2 0 2 2
43.68 3.43 2.0723 0 8 1 4
43.85 2.24 2.0644 4 4 0 4
44.57 4.99 2.0330 2 8 0 4
44.67 1.84 2.0285 2 2 2 4
44.81 12.60 2.0227 3 5 1 4
45.74 2.86 1.9835 3 7 0 4
45.81 1.37 1.9808 1 5 2 4
46.11 1.85 1.9685 4 0 1 2
46.20 3.47 1.9648 1 9 0 4
46.24 1.84 1.9635 0 6 2 4
46.47 1.98 1.9543 -2 8 1 4
46.79 11.58 1.9416 -4 0 2 2
46.79 4.77 1.9414 -3 7 1 4
47.31 1.15 1.9214 -2 6 2 4
47.92 3.01 1.8984 -4 2 2 4
47.95 2.73 1.8972 -3 5 2 4
48.85 9.12 1.8645 -1 9 1 4
49.36 4.43 1.8465 5 1 0 4
49.57 2.47 1.8389 4 6 0 4
49.67 2.34 1.8356 2 8 1 4
49.79 2.35 1.8314 -4 6 1 4
50.41 1.99 1.8103 1 9 1 4
51.20 11.93 1.7842 -4 4 2 4
51.51 2.60 1.7740 5 3 0 4
53.49 1.32 1.7131 2 6 2 4
53.63 2.96 1.7090 -2 2 3 4
53.84 6.66 1.7027 0 8 2 4
54.13 4.02 1.6942 0 2 3 4
54.19 7.75 1.6926 -1 3 3 4
54.37 1.39 1.6875 -3 7 2 4
54.72 10.61 1.6776 -5 1 2 4
54.80 2.57 1.6751 -2 8 2 4
55.13 3.81 1.6660 -5 5 1 4
55.77 39.91 1.6484 4 6 1 4
56.36 1.23 1.6325 -4 6 2 4
56.85 13.39 1.6196 1 11 0 4
56.85 2.20 1.6195 4 8 0 4
58.20 24.71 1.5852 -1 5 3 4
58.77 6.34 1.5712 4 0 2 2
58.90 5.44 1.5680 2 10 1 4
59.73 1.67 1.5480 4 2 2 4
59.79 7.26 1.5468 6 0 0 2
60.41 2.66 1.5323 1 9 2 4
60.85 2.19 1.5223 -1 6 3 4
61.50 18.97 1.5078 0 12 0 2
61.52 17.95 1.5073 -2 6 3 4
61.98 6.46 1.4972 0 6 3 4
62.10 3.40 1.4946 5 5 1 4
62.56 1.81 1.4848 4 8 1 4
62.59 6.51 1.4842 4 4 2 4
63.11 2.64 1.4732 -4 8 2 4
63.24 7.26 1.4704 -6 0 2 2
63.90 6.26 1.4567 -1 7 3 4
64.12 5.24 1.4523 3 11 0 4
65.59 3.61 1.4233 -4 10 1 4
67.02 40.37 1.3964 -6 6 1 4
67.04 2.05 1.3960 -1 11 2 4
67.54 1.91 1.3868 6 2 1 4
67.97 1.14 1.3792 -2 8 3 4
68.07 6.57 1.3774 -4 6 3 4
68.29 12.70 1.3735 5 1 2 4
69.38 7.46 1.3546 2 6 3 4
69.61 5.06 1.3507 1 11 2 4
70.07 2.77 1.3429 5 3 2 4
70.21 1.00 1.3405 -1 13 1 4
71.11 1.64 1.3257 -1 9 3 4
71.27 2.06 1.3233 -3 11 2 4
71.31 2.34 1.3225 -5 5 3 4
71.33 2.97 1.3223 7 1 0 4
71.37 1.51 1.3217 -6 6 2 4
71.49 1.17 1.3197 -2 0 4 2
71.71 2.61 1.3161 -1 1 4 4
72.57 3.64 1.3027 0 12 2 4
73.16 9.98 1.2936 0 0 4 2
73.22 1.31 1.2927 -6 8 1 4
73.26 1.31 1.2920 -7 1 2 4
73.31 2.37 1.2913 -5 9 2 4
73.39 20.83 1.2902 -2 12 2 4
73.98 1.46 1.2813 -6 2 3 4
74.00 1.29 1.2809 -3 9 3 4
74.59 1.14 1.2724 6 6 1 4
74.85 1.02 1.2685 1 9 3 4
74.85 3.56 1.2685 -7 5 1 4
74.96 3.31 1.2669 -2 4 4 4
74.99 2.07 1.2665 -7 3 2 4
75.15 2.67 1.2643 4 12 0 4
75.85 1.33 1.2543 -2 10 3 4
76.09 1.94 1.2510 4 2 3 4
76.27 1.47 1.2484 0 10 3 4
76.41 3.83 1.2465 -4 0 4 2
78.30 3.58 1.2211 2 12 2 4
78.41 1.75 1.2197 6 0 2 2
80.33 1.40 1.1952 2 14 1 4
80.69 2.27 1.1909 -4 12 2 4
81.29 3.18 1.1835 2 0 4 2
81.84 9.82 1.1770 -5 11 2 4
81.90 1.37 1.1763 -8 2 1 4
83.29 2.16 1.1601 8 0 0 2
83.43 2.10 1.1586 1 15 1 4
85.97 1.08 1.1307 6 6 2 4
87.59 1.25 1.1139 -6 0 4 2
87.63 1.49 1.1135 5 13 0 4
87.87 3.06 1.1111 3 1 4 4
88.30 2.42 1.1068 7 9 0 4
88.72 1.38 1.1026 3 13 2 4
89.49 1.10 1.0951 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.