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 = 5.09 GPa
_database_code_amcsd 0001975
CELL PARAMETERS: 9.2993 17.8900 5.2321 90.000 102.979 90.000
SPACE GROUP: P2_1/m
X-RAY WAVELENGTH: 1.541838
Cell Volume: 848.198
Density (g/cm3): 3.482
MAX. ABS. INTENSITY / VOLUME**2: 7.532163580
RIR: 0.704
RIR based on corundum from Acta Crystallographica A38 (1982) 733-739
2-THETA INTENSITY D-SPACING H K L Multiplicity
9.89 53.33 8.9450 0 2 0 2
10.94 90.08 8.0838 1 1 0 4
17.39 14.67 5.0984 0 0 1 2
17.81 8.55 4.9814 1 3 0 4
18.62 20.13 4.7646 -1 1 1 4
19.59 7.47 4.5309 2 0 0 2
19.85 12.33 4.4725 0 4 0 2
20.05 3.07 4.4294 0 2 1 4
20.53 3.57 4.3265 -1 2 1 4
21.99 15.62 4.0419 2 2 0 4
22.40 3.67 3.9685 1 1 1 4
23.15 6.58 3.8422 -2 0 1 2
23.37 31.73 3.8057 -1 3 1 4
26.51 4.67 3.3622 0 4 1 4
26.52 41.04 3.3616 1 3 1 4
28.03 46.09 3.1830 2 4 0 4
29.16 4.17 3.0624 2 0 1 2
29.97 3.20 2.9817 0 6 0 2
30.00 78.86 2.9784 3 1 0 4
30.52 1.99 2.9288 0 5 1 4
30.68 2.54 2.9145 -2 4 1 4
30.85 2.86 2.8984 -1 5 1 4
30.86 43.10 2.8973 2 2 1 4
33.25 11.71 2.6946 3 3 0 4
33.34 100.00 2.6872 1 5 1 4
34.34 1.29 2.6116 -1 0 2 2
34.39 8.87 2.6080 -3 3 1 4
34.71 5.23 2.5842 -1 1 2 4
34.86 57.27 2.5738 0 6 1 4
35.15 2.99 2.5532 -1 6 1 4
35.21 2.05 2.5492 0 0 2 2
36.06 4.94 2.4907 2 6 0 4
36.35 72.17 2.4716 -2 0 2 2
36.66 1.82 2.4516 0 2 2 4
37.39 6.42 2.4053 1 6 1 4
37.76 1.70 2.3823 -2 2 2 4
38.21 3.85 2.3556 -2 6 1 4
39.02 4.79 2.3081 3 5 0 4
39.12 1.83 2.3025 1 1 2 4
39.70 7.22 2.2702 -1 7 1 4
40.02 29.09 2.2529 -3 5 1 4
40.33 1.86 2.2362 0 8 0 2
40.87 5.30 2.2078 -3 0 2 2
41.06 14.39 2.1983 -4 2 1 4
41.10 1.31 2.1961 4 2 0 4
41.20 15.66 2.1912 -3 1 2 4
41.73 12.36 2.1644 1 7 1 4
41.76 2.74 2.1632 -2 4 2 4
42.31 50.44 2.1363 2 6 1 4
43.72 2.01 2.0705 -3 3 2 4
43.94 1.35 2.0607 1 4 2 4
44.23 2.30 2.0479 0 8 1 4
44.52 20.72 2.0350 2 0 2 2
44.83 1.54 2.0219 2 1 2 4
44.85 2.38 2.0210 4 4 0 4
45.22 4.97 2.0053 2 8 0 4
45.72 1.25 1.9843 2 2 2 4
45.85 13.14 1.9789 3 5 1 4
46.55 1.85 1.9510 3 7 0 4
46.79 3.37 1.9416 1 9 0 4
46.89 1.31 1.9376 0 6 2 4
47.02 1.40 1.9327 -2 8 1 4
47.32 12.35 1.9211 -4 0 2 2
47.41 5.87 1.9174 -3 7 1 4
47.43 1.42 1.9167 4 0 1 2
48.45 1.93 1.8789 -3 5 2 4
48.46 1.85 1.8783 -4 2 2 4
49.03 2.27 1.8578 3 6 1 4
49.42 7.66 1.8442 -1 9 1 4
50.54 1.47 1.8060 2 8 1 4
50.57 3.54 1.8051 -4 6 1 4
50.60 1.96 1.8038 4 6 0 4
50.62 1.21 1.8031 5 1 0 4
51.14 1.18 1.7861 1 9 1 4
51.79 10.42 1.7652 -4 4 2 4
52.79 1.91 1.7340 5 3 0 4
54.19 2.08 1.6925 -2 2 3 4
54.30 1.01 1.6895 4 5 1 4
54.55 1.09 1.6822 -1 10 1 4
54.59 4.18 1.6811 0 8 2 4
54.88 6.17 1.6728 -1 3 3 4
54.96 1.34 1.6707 -3 7 2 4
55.00 3.77 1.6696 0 2 3 4
55.41 1.80 1.6582 -2 8 2 4
55.45 10.32 1.6570 -5 1 2 4
56.13 5.56 1.6386 -5 5 1 4
57.03 1.09 1.6149 -4 6 2 4
57.13 34.94 1.6123 4 6 1 4
57.58 12.70 1.6008 1 11 0 4
57.95 1.84 1.5915 4 8 0 4
58.95 21.57 1.5668 -1 5 3 4
59.53 1.07 1.5528 -2 5 3 4
59.88 3.86 1.5447 2 10 1 4
60.46 8.25 1.5312 4 0 2 2
61.39 8.24 1.5103 6 0 0 2
61.40 2.11 1.5100 1 9 2 4
61.64 6.68 1.5046 -1 6 3 4
62.21 17.19 1.4922 -2 6 3 4
62.28 18.81 1.4908 0 12 0 2
62.86 1.10 1.4784 5 7 0 4
62.95 4.04 1.4765 0 6 3 4
63.78 2.18 1.4592 5 5 1 4
63.88 2.00 1.4572 -4 8 2 4
64.24 5.36 1.4500 -6 0 2 2
64.30 3.33 1.4487 4 4 2 4
64.74 5.93 1.4399 -1 7 3 4
65.14 6.39 1.4320 3 11 0 4
66.58 2.64 1.4046 -4 10 1 4
67.89 2.42 1.3806 -1 11 2 4
68.36 37.41 1.3723 -6 6 1 4
68.38 1.17 1.3718 2 5 3 4
68.79 6.58 1.3648 -4 6 3 4
69.14 1.67 1.3586 -2 11 2 4
69.58 1.00 1.3512 6 2 1 4
70.14 2.42 1.3416 5 0 2 2
70.37 9.92 1.3379 5 1 2 4
70.72 5.42 1.3321 1 11 2 4
70.88 6.37 1.3295 2 6 3 4
71.11 1.17 1.3257 -1 13 1 4
72.07 1.31 1.3104 -1 9 3 4
72.12 2.22 1.3097 -5 5 3 4
72.14 2.33 1.3094 -3 11 2 4
72.17 2.21 1.3089 5 3 2 4
72.54 2.59 1.3032 -1 0 4 2
72.76 2.46 1.2998 -1 1 4 4
73.32 2.87 1.2912 7 1 0 4
73.60 1.95 1.2869 0 12 2 4
74.30 16.92 1.2766 -2 12 2 4
74.34 2.02 1.2760 -5 9 2 4
74.43 6.25 1.2746 0 0 4 2
74.85 1.26 1.2686 -3 9 3 4
74.90 1.16 1.2678 -6 2 3 4
75.91 1.57 1.2535 -2 4 4 4
76.34 1.88 1.2475 -7 3 2 4
76.49 1.80 1.2454 4 12 0 4
76.52 2.12 1.2449 -7 5 1 4
77.19 3.01 1.2358 -4 0 4 2
77.46 1.52 1.2321 0 10 3 4
79.74 2.79 1.2026 2 12 2 4
81.47 1.31 1.1813 1 4 4 4
81.64 1.23 1.1793 2 14 1 4
81.77 2.58 1.1778 -4 12 2 4
83.03 7.82 1.1631 -5 11 2 4
83.22 2.56 1.1609 2 0 4 2
84.69 1.76 1.1445 1 15 1 4
85.78 2.00 1.1327 8 0 0 2
85.91 1.29 1.1313 7 5 1 4
88.59 1.06 1.1039 -6 0 4 2
89.40 1.01 1.0960 5 13 0 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.