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 = 1.10 GPa
_database_code_amcsd 0001972
CELL PARAMETERS: 9.4638 18.1333 5.3022 90.000 102.372 90.000
SPACE GROUP: C2/m
X-RAY WAVELENGTH: 1.541838
Cell Volume: 888.779
Density (g/cm3): 3.323
MAX. ABS. INTENSITY / VOLUME**2: 7.929984387
RIR: 0.777
RIR based on corundum from Acta Crystallographica A38 (1982) 733-739
2-THETA INTENSITY D-SPACING H K L Multiplicity
9.76 50.17 9.0667 0 2 0 2
10.74 100.00 8.2356 1 1 0 4
17.12 13.30 5.1791 0 0 1 2
17.53 6.27 5.0589 1 3 0 4
18.41 18.79 4.8182 -1 1 1 4
19.20 3.73 4.6220 2 0 0 2
19.58 11.72 4.5333 0 4 0 2
19.74 3.45 4.4971 0 2 1 4
21.58 16.20 4.1178 2 2 0 4
21.95 5.28 4.0497 1 1 1 4
22.88 5.10 3.8869 -2 0 1 2
23.09 33.11 3.8517 -1 3 1 4
26.02 41.10 3.4238 1 3 1 4
26.12 4.03 3.4111 0 4 1 4
26.40 1.18 3.3761 1 5 0 4
27.56 49.01 3.2364 2 4 0 4
28.51 4.65 3.1312 2 0 1 2
29.40 73.05 3.0378 3 1 0 4
29.56 3.36 3.0222 0 6 0 2
30.20 39.45 2.9597 2 2 1 4
30.29 2.51 2.9508 -2 4 1 4
30.45 4.49 2.9353 -1 5 1 4
30.82 1.09 2.9014 -3 1 1 4
32.62 10.98 2.7452 3 3 0 4
32.78 93.41 2.7321 1 5 1 4
33.91 8.58 2.6433 -3 3 1 4
34.26 5.85 2.6174 -1 1 2 4
34.36 55.14 2.6103 0 6 1 4
34.64 1.55 2.5895 0 0 2 2
35.49 5.19 2.5295 2 6 0 4
35.94 63.23 2.4989 -2 0 2 2
36.07 2.09 2.4900 0 2 2 4
37.33 1.52 2.4091 -2 2 2 4
37.70 3.92 2.3859 -2 6 1 4
38.33 3.66 2.3482 3 5 0 4
39.17 7.04 2.2999 -1 7 1 4
39.46 25.72 2.2835 -3 5 1 4
39.77 2.48 2.2667 0 8 0 2
40.27 1.01 2.2394 4 2 0 4
40.43 12.49 2.2311 -4 2 1 4
40.73 16.37 2.2152 -3 1 2 4
41.06 11.44 2.1982 1 7 1 4
41.25 3.72 2.1885 -2 4 2 4
41.53 46.76 2.1745 2 6 1 4
43.21 2.59 2.0937 -3 3 2 4
43.57 24.03 2.0773 2 0 2 2
43.59 2.80 2.0765 0 8 1 4
43.98 1.92 2.0589 4 4 0 4
44.52 3.95 2.0351 2 8 0 4
44.76 1.40 2.0248 2 2 2 4
44.91 12.83 2.0183 3 5 1 4
45.76 2.23 1.9829 3 7 0 4
45.80 1.32 1.9812 1 5 2 4
46.11 2.72 1.9686 1 9 0 4
46.16 1.54 1.9664 0 6 2 4
46.32 1.58 1.9599 4 0 1 2
46.37 1.40 1.9580 -2 8 1 4
46.74 11.32 1.9434 -4 0 2 2
46.74 5.71 1.9434 -3 7 1 4
47.85 2.26 1.9008 -3 5 2 4
47.87 2.07 1.9003 -4 2 2 4
48.73 7.56 1.8687 -1 9 1 4
49.56 1.94 1.8393 5 1 0 4
49.65 1.80 1.8361 2 8 1 4
49.66 1.80 1.8358 4 6 0 4
49.79 3.01 1.8312 -4 6 1 4
50.33 1.56 1.8129 1 9 1 4
51.14 9.59 1.7862 -4 4 2 4
51.70 1.70 1.7680 5 3 0 4
53.49 2.43 1.7130 -2 2 3 4
53.53 1.00 1.7119 2 6 2 4
53.74 5.18 1.7056 0 8 2 4
54.08 2.93 1.6959 0 2 3 4
54.08 6.18 1.6957 -1 3 3 4
54.25 1.06 1.6909 -3 7 2 4
54.67 2.76 1.6789 -2 8 2 4
54.71 9.09 1.6778 -5 1 2 4
55.20 4.59 1.6641 -5 5 1 4
55.91 32.10 1.6444 4 6 1 4
56.72 12.42 1.6229 1 11 0 4
56.90 1.91 1.6182 4 8 0 4
58.08 21.67 1.5883 -1 5 3 4
58.85 4.57 1.5692 2 10 1 4
59.00 6.43 1.5656 4 0 2 2
59.96 1.12 1.5428 4 2 2 4
60.05 7.05 1.5407 6 0 0 2
60.35 2.32 1.5338 1 9 2 4
61.35 15.43 1.5111 0 12 0 2
61.36 16.66 1.5108 -2 6 3 4
61.90 6.46 1.4990 0 6 3 4
62.33 2.81 1.4897 5 5 1 4
62.66 1.24 1.4826 4 8 1 4
62.79 4.93 1.4798 4 4 2 4
63.00 2.13 1.4754 -4 8 2 4
63.28 6.23 1.4696 -6 0 2 2
63.77 5.48 1.4596 -1 7 3 4
64.06 4.47 1.4535 3 11 0 4
65.53 3.16 1.4244 -4 10 1 4
66.88 1.86 1.3990 -1 11 2 4
67.13 33.24 1.3943 -6 6 1 4
67.87 1.39 1.3809 6 2 1 4
67.90 5.64 1.3803 -4 6 3 4
68.59 10.96 1.3681 5 1 2 4
69.42 6.74 1.3539 2 6 3 4
69.50 5.20 1.3524 1 11 2 4
70.36 2.23 1.3380 5 3 2 4
70.95 1.22 1.3284 -1 9 3 4
71.10 2.08 1.3260 -3 11 2 4
71.18 2.35 1.3247 -5 5 3 4
71.37 1.18 1.3216 -6 6 2 4
71.58 3.01 1.3182 -1 1 4 4
71.65 2.91 1.3171 7 1 0 4
72.41 2.27 1.3051 0 12 2 4
73.08 8.73 1.2948 0 0 4 2
73.19 18.42 1.2931 -2 12 2 4
73.23 1.81 1.2926 -5 9 2 4
74.78 3.14 1.2696 -2 4 4 4
75.04 2.70 1.2658 -7 5 1 4
75.07 1.55 1.2653 -7 3 2 4
75.11 2.63 1.2647 4 12 0 4
75.65 1.22 1.2571 -2 10 3 4
76.19 3.88 1.2495 -4 0 4 2
76.32 1.61 1.2477 4 2 3 4
78.23 3.04 1.2220 2 12 2 4
78.80 1.17 1.2146 6 0 2 2
80.52 1.99 1.1929 -4 12 2 4
81.36 3.08 1.1827 2 0 4 2
81.72 8.10 1.1784 -5 11 2 4
83.24 1.54 1.1607 1 15 1 4
83.70 1.89 1.1555 8 0 0 2
87.39 1.26 1.1160 -6 0 4 2
88.02 2.44 1.1096 3 1 4 4
88.53 1.75 1.1045 7 9 0 4
89.80 1.25 1.0921 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.