Cummingtonite
Yang H, Hazen R M, Prewitt C T, Finger L W, Lu R, Hemley R J
American Mineralogist 83 (1998) 288-299
High-pressure single-crystal X-ray diffraction and infrared spectroscopic
studies of the C2/m-P2_1/m phase transition in cummingtonite
Sample: P = 1.32 GPa
_database_code_amcsd 0001973
CELL PARAMETERS: 9.4498 18.1083 5.2978 90.000 102.417 90.000
SPACE GROUP: P2_1/m
X-RAY WAVELENGTH: 1.541838
Cell Volume: 885.353
Density (g/cm3): 3.336
MAX. ABS. INTENSITY / VOLUME**2: 7.888662568
RIR: 0.770
RIR based on corundum from Acta Crystallographica A38 (1982) 733-739
2-THETA INTENSITY D-SPACING H K L Multiplicity
9.77 50.46 9.0541 0 2 0 2
10.76 100.00 8.2225 1 1 0 4
17.14 13.07 5.1739 0 0 1 2
17.56 6.01 5.0516 1 3 0 4
18.43 18.30 4.8145 -1 1 1 4
19.23 3.91 4.6144 2 0 0 2
19.61 11.45 4.5271 0 4 0 2
19.76 3.52 4.4922 0 2 1 4
21.62 15.81 4.1112 2 2 0 4
21.98 4.86 4.0438 1 1 1 4
22.90 5.16 3.8834 -2 0 1 2
23.11 32.90 3.8479 -1 3 1 4
26.06 40.47 3.4189 1 3 1 4
26.16 3.99 3.4070 0 4 1 4
26.44 1.02 3.3714 1 5 0 4
27.60 47.73 3.2315 2 4 0 4
28.55 4.92 3.1260 2 0 1 2
29.45 73.89 3.0328 3 1 0 4
29.60 3.27 3.0180 0 6 0 2
30.25 38.86 2.9548 2 2 1 4
30.32 2.48 2.9475 -2 4 1 4
30.49 4.12 2.9319 -1 5 1 4
32.67 11.53 2.7408 3 3 0 4
32.83 92.60 2.7283 1 5 1 4
33.95 8.14 2.6402 -3 3 1 4
34.29 5.62 2.6153 -1 1 2 4
34.40 55.66 2.6069 0 6 1 4
34.68 1.62 2.5869 0 0 2 2
35.54 5.33 2.5258 2 6 0 4
35.96 64.09 2.4972 -2 0 2 2
36.11 2.05 2.4874 0 2 2 4
37.36 1.72 2.4073 -2 2 2 4
37.75 3.77 2.3830 -2 6 1 4
38.39 3.75 2.3446 3 5 0 4
39.22 7.09 2.2970 -1 7 1 4
39.51 26.27 2.2807 -3 5 1 4
39.82 2.36 2.2635 0 8 0 2
40.48 12.83 2.2283 -4 2 1 4
40.77 16.37 2.2135 -3 1 2 4
41.12 11.51 2.1951 1 7 1 4
41.29 3.58 2.1866 -2 4 2 4
41.59 46.74 2.1712 2 6 1 4
43.25 2.34 2.0920 -3 3 2 4
43.64 23.11 2.0743 2 0 2 2
43.65 2.63 2.0738 0 8 1 4
44.05 1.79 2.0556 4 4 0 4
44.59 3.95 2.0322 2 8 0 4
44.83 1.09 2.0219 2 2 2 4
44.99 12.34 2.0150 3 5 1 4
45.83 2.17 1.9799 3 7 0 4
45.86 1.15 1.9787 1 5 2 4
46.18 2.71 1.9659 1 9 0 4
46.22 1.50 1.9641 0 6 2 4
46.41 1.45 1.9565 4 0 1 2
46.43 1.50 1.9556 -2 8 1 4
46.79 11.50 1.9417 -4 0 2 2
46.80 5.74 1.9410 -3 7 1 4
47.90 2.09 1.8990 -3 5 2 4
47.91 2.19 1.8985 -4 2 2 4
48.80 7.35 1.8663 -1 9 1 4
49.65 1.81 1.8362 5 1 0 4
49.73 1.73 1.8334 2 8 1 4
49.74 1.79 1.8329 4 6 0 4
49.86 3.00 1.8289 -4 6 1 4
50.41 1.47 1.8103 1 9 1 4
51.19 9.67 1.7845 -4 4 2 4
51.80 1.98 1.7651 5 3 0 4
53.54 2.42 1.7116 -2 2 3 4
53.81 5.07 1.7035 0 8 2 4
54.13 6.06 1.6942 -1 3 3 4
54.14 2.85 1.6942 0 2 3 4
54.31 1.11 1.6891 -3 7 2 4
54.73 2.52 1.6771 -2 8 2 4
54.77 9.05 1.6761 -5 1 2 4
55.28 4.62 1.6618 -5 5 1 4
56.01 31.50 1.6417 4 6 1 4
56.81 12.28 1.6206 1 11 0 4
56.99 1.86 1.6158 4 8 0 4
58.14 22.33 1.5868 -1 5 3 4
58.94 4.37 1.5669 2 10 1 4
59.11 6.09 1.5630 4 0 2 2
60.16 6.87 1.5381 6 0 0 2
60.44 2.14 1.5318 1 9 2 4
61.43 16.69 1.5094 -2 6 3 4
61.44 15.92 1.5090 0 12 0 2
61.97 5.91 1.4974 0 6 3 4
62.45 2.91 1.4871 5 5 1 4
62.77 1.18 1.4802 4 8 1 4
62.91 4.45 1.4774 4 4 2 4
63.08 2.15 1.4738 -4 8 2 4
63.36 6.17 1.4680 -6 0 2 2
63.84 5.62 1.4581 -1 7 3 4
64.16 4.75 1.4515 3 11 0 4
65.63 3.09 1.4226 -4 10 1 4
66.97 2.04 1.3973 -1 11 2 4
67.24 33.00 1.3924 -6 6 1 4
67.97 5.99 1.3791 -4 6 3 4
68.01 1.18 1.3785 6 2 1 4
68.73 10.76 1.3658 5 1 2 4
69.52 6.73 1.3521 2 6 3 4
69.61 5.18 1.3506 1 11 2 4
70.50 2.32 1.3357 5 3 2 4
71.04 1.29 1.3269 -1 9 3 4
71.19 2.17 1.3245 -3 11 2 4
71.25 2.23 1.3235 -5 5 3 4
71.46 1.21 1.3201 -6 6 2 4
71.65 2.94 1.3171 -1 1 4 4
71.79 2.80 1.3149 7 1 0 4
72.52 2.18 1.3035 0 12 2 4
73.17 8.48 1.2935 0 0 4 2
73.30 17.84 1.2915 -2 12 2 4
73.33 1.75 1.2911 -5 9 2 4
73.97 1.03 1.2814 -6 2 3 4
74.85 2.93 1.2686 -2 4 4 4
75.16 2.49 1.2640 -7 5 1 4
75.18 1.53 1.2638 -7 3 2 4
75.24 2.45 1.2629 4 12 0 4
75.74 1.17 1.2558 -2 10 3 4
76.26 3.75 1.2486 -4 0 4 2
76.46 1.44 1.2458 4 2 3 4
78.36 3.12 1.2203 2 12 2 4
80.33 1.02 1.1952 2 14 1 4
80.63 2.11 1.1915 -4 12 2 4
81.48 2.82 1.1812 2 0 4 2
81.84 7.97 1.1770 -5 11 2 4
83.38 1.55 1.1591 1 15 1 4
83.87 1.73 1.1536 8 0 0 2
87.47 1.21 1.1151 -6 0 4 2
88.17 2.47 1.1080 3 1 4 4
88.71 1.66 1.1027 7 9 0 4
89.98 1.24 1.0904 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.