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 = 7.90 GPa
_database_code_amcsd 0001976
CELL PARAMETERS: 9.2099 17.7605 5.1930 90.000 103.173 90.000
SPACE GROUP: P2_1/m
X-RAY WAVELENGTH: 1.541838
Cell Volume: 827.080
Density (g/cm3): 3.571
MAX. ABS. INTENSITY / VOLUME**2: 7.534556602
RIR: 0.687
RIR based on corundum from Acta Crystallographica A38 (1982) 733-739
2-THETA INTENSITY D-SPACING H K L Multiplicity
9.96 51.95 8.8802 0 2 0 2
11.05 84.42 8.0050 1 1 0 4
17.54 15.10 5.0564 0 0 1 2
17.95 8.19 4.9406 1 3 0 4
18.75 20.38 4.7316 -1 1 1 4
19.80 8.61 4.4838 2 0 0 2
20.00 11.69 4.4401 0 4 0 2
20.21 3.02 4.3940 0 2 1 4
20.67 5.25 4.2963 -1 2 1 4
22.21 14.48 4.0025 2 2 0 4
22.63 3.27 3.9293 1 1 1 4
23.32 7.19 3.8138 -2 0 1 2
23.54 30.27 3.7789 -1 3 1 4
26.72 5.08 3.3364 0 4 1 4
26.76 41.00 3.3309 1 3 1 4
28.29 44.77 3.1550 2 4 0 4
29.48 4.11 3.0295 2 0 1 2
30.19 3.50 2.9601 0 6 0 2
30.32 79.55 2.9477 3 1 0 4
30.76 2.89 2.9066 0 5 1 4
30.91 2.58 2.8931 -2 4 1 4
31.08 2.32 2.8777 -1 5 1 4
31.19 42.92 2.8672 2 2 1 4
33.59 11.44 2.6683 3 3 0 4
33.64 100.00 2.6645 1 5 1 4
34.51 1.17 2.5993 -2 5 1 4
34.60 1.96 2.5925 -1 0 2 2
34.67 8.81 2.5871 -3 3 1 4
34.98 4.92 2.5653 -1 1 2 4
35.13 57.45 2.5545 0 6 1 4
35.41 4.16 2.5349 -1 6 1 4
35.51 2.37 2.5282 0 0 2 2
36.37 4.83 2.4703 2 6 0 4
36.61 74.86 2.4545 -2 0 2 2
36.97 1.64 2.4316 0 2 2 4
37.71 9.73 2.3855 1 6 1 4
38.04 1.95 2.3658 -2 2 2 4
38.50 3.98 2.3384 -2 6 1 4
39.40 4.88 2.2871 3 5 0 4
39.50 2.35 2.2812 1 1 2 4
40.00 7.20 2.2540 -1 7 1 4
40.11 1.02 2.2481 -4 0 1 2
40.35 30.28 2.2353 -3 5 1 4
40.51 1.28 2.2268 1 2 2 4
40.64 1.46 2.2201 0 8 0 2
41.18 7.69 2.1923 -3 0 2 2
41.43 14.86 2.1793 -4 2 1 4
41.50 14.82 2.1758 -3 1 2 4
41.55 1.60 2.1737 4 2 0 4
42.06 2.22 2.1481 -2 4 2 4
42.09 13.20 2.1470 1 7 1 4
42.71 51.55 2.1172 2 6 1 4
42.81 1.19 2.1125 -2 7 1 4
44.05 1.80 2.0559 -3 3 2 4
44.35 2.05 2.0425 1 4 2 4
44.57 2.05 2.0328 0 8 1 4
45.00 19.18 2.0146 2 0 2 2
45.30 2.53 2.0017 2 1 2 4
45.31 2.54 2.0013 4 4 0 4
45.60 5.37 1.9895 2 8 0 4
46.21 1.19 1.9646 2 2 2 4
46.34 12.14 1.9595 3 5 1 4
46.97 1.55 1.9344 3 7 0 4
47.16 3.29 1.9273 1 9 0 4
47.28 1.14 1.9224 0 6 2 4
47.38 1.48 1.9187 -2 8 1 4
47.69 12.57 1.9069 -4 0 2 2
47.80 6.02 1.9027 -3 7 1 4
47.99 1.13 1.8956 4 0 1 2
48.82 1.67 1.8656 -3 5 2 4
48.85 1.82 1.8644 -4 2 2 4
49.54 3.72 1.8402 3 6 1 4
49.80 7.53 1.8310 -1 9 1 4
51.00 1.36 1.7907 2 8 1 4
51.01 3.75 1.7903 -4 6 1 4
51.11 1.50 1.7872 4 6 0 4
51.57 1.23 1.7722 1 9 1 4
52.21 10.63 1.7522 -4 4 2 4
53.38 1.93 1.7165 5 3 0 4
54.61 1.94 1.6804 -2 2 3 4
54.90 1.44 1.6724 4 5 1 4
54.98 1.41 1.6701 -1 10 1 4
55.05 3.83 1.6682 0 8 2 4
55.34 6.08 1.6602 -1 3 3 4
55.39 1.16 1.6589 -3 7 2 4
55.49 3.79 1.6559 0 2 3 4
55.84 1.47 1.6465 -2 8 2 4
55.93 10.60 1.6440 -5 1 2 4
56.67 5.98 1.6244 -5 5 1 4
56.70 1.33 1.6235 3 4 2 4
57.49 1.14 1.6031 -4 6 2 4
57.75 34.79 1.5964 4 6 1 4
57.99 1.11 1.5904 -5 3 2 4
58.04 11.67 1.5890 1 11 0 4
58.51 1.74 1.5775 4 8 0 4
58.94 1.03 1.5669 1 2 3 4
59.44 20.62 1.5550 -1 5 3 4
60.00 1.65 1.5417 -2 5 3 4
60.17 1.12 1.5380 -2 9 2 4
60.42 3.64 1.5322 2 10 1 4
61.19 8.70 1.5147 4 0 2 2
61.96 2.12 1.4978 1 9 2 4
62.10 8.78 1.4946 6 0 0 2
62.16 10.23 1.4933 -1 6 3 4
62.71 16.65 1.4816 -2 6 3 4
62.78 20.41 1.4800 0 12 0 2
63.52 3.06 1.4647 0 6 3 4
63.52 1.27 1.4646 5 7 0 4
64.17 1.10 1.4513 2 2 3 4
64.41 1.92 1.4466 -4 8 2 4
64.53 1.85 1.4441 5 5 1 4
64.83 4.71 1.4381 -6 0 2 2
65.06 2.60 1.4336 4 4 2 4
65.29 6.12 1.4291 -1 7 3 4
65.73 7.20 1.4206 3 11 0 4
67.17 2.52 1.3936 -4 10 1 4
68.46 2.65 1.3705 -1 11 2 4
69.06 38.52 1.3601 -6 6 1 4
69.11 1.94 1.3592 2 5 3 4
69.34 6.97 1.3552 -4 6 3 4
69.71 2.34 1.3489 -2 11 2 4
71.03 3.74 1.3270 5 0 2 2
71.26 9.14 1.3233 5 1 2 4
71.37 5.20 1.3215 1 11 2 4
71.63 5.77 1.3174 2 6 3 4
71.71 1.45 1.3162 -1 13 1 4
72.70 1.41 1.3007 -1 9 3 4
72.72 1.98 1.3004 -5 5 3 4
72.74 2.29 1.3001 -3 11 2 4
73.08 2.06 1.2949 5 3 2 4
73.19 3.65 1.2931 -1 0 4 2
73.42 1.97 1.2897 -1 1 4 4
74.22 2.89 1.2778 7 1 0 4
74.25 1.83 1.2773 0 12 2 4
74.93 16.16 1.2674 -2 12 2 4
75.00 2.12 1.2663 -5 9 2 4
75.01 1.07 1.2663 -2 3 4 4
75.16 5.40 1.2641 0 0 4 2
75.38 1.17 1.2609 0 1 4 4
75.47 1.31 1.2596 -3 9 3 4
75.55 1.20 1.2585 -6 2 3 4
76.57 1.07 1.2443 -2 4 4 4
77.11 1.92 1.2369 -7 3 2 4
77.24 1.46 1.2352 4 12 0 4
77.37 1.65 1.2334 -7 5 1 4
77.83 2.54 1.2273 -4 0 4 2
78.05 1.37 1.2243 -4 1 4 4
78.18 1.78 1.2226 0 10 3 4
80.53 2.89 1.1927 2 12 2 4
82.34 1.74 1.1711 1 4 4 4
82.42 1.34 1.1702 2 14 1 4
82.50 2.79 1.1692 -4 12 2 4
83.80 7.41 1.1544 -5 11 2 4
84.18 1.97 1.1501 2 0 4 2
85.47 1.81 1.1360 1 15 1 4
86.90 1.93 1.1209 8 0 0 2
87.05 1.60 1.1194 7 5 1 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.