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 = 2.97 GPa
_database_code_amcsd 0001974
CELL PARAMETERS: 9.3798 18.0078 5.2659 90.000 102.723 90.000
SPACE GROUP: P2_1/m
X-RAY WAVELENGTH: 1.541838
Cell Volume: 867.621
Density (g/cm3): 3.404
MAX. ABS. INTENSITY / VOLUME**2: 7.475200679
RIR: 0.715
RIR based on corundum from Acta Crystallographica A38 (1982) 733-739
2-THETA INTENSITY D-SPACING H K L Multiplicity
9.82 53.19 9.0039 0 2 0 2
10.85 96.39 8.1570 1 1 0 4
17.26 13.64 5.1366 0 0 1 2
17.67 7.43 5.0189 1 3 0 4
18.52 19.85 4.7915 -1 1 1 4
19.40 5.56 4.5747 2 0 0 2
19.72 12.58 4.5019 0 4 0 2
19.90 3.33 4.4616 0 2 1 4
20.41 1.84 4.3516 -1 2 1 4
21.79 16.68 4.0785 2 2 0 4
22.19 4.38 4.0063 1 1 1 4
23.01 6.11 3.8651 -2 0 1 2
23.23 33.41 3.8284 -1 3 1 4
26.28 41.18 3.3909 1 3 1 4
26.32 4.32 3.3856 0 4 1 4
27.80 49.14 3.2088 2 4 0 4
28.85 4.75 3.0945 2 0 1 2
29.71 78.63 3.0070 3 1 0 4
29.77 3.33 3.0013 0 6 0 2
30.48 2.47 2.9326 -2 4 1 4
30.55 43.20 2.9265 2 2 1 4
30.65 3.50 2.9165 -1 5 1 4
32.94 12.15 2.7190 3 3 0 4
33.07 100.00 2.7085 1 5 1 4
34.15 8.88 2.6257 -3 3 1 4
34.49 5.27 2.6004 -1 1 2 4
34.61 58.78 2.5914 0 6 1 4
34.92 1.74 2.5693 -1 6 1 4
34.94 1.82 2.5683 0 0 2 2
35.78 5.26 2.5095 2 6 0 4
36.14 69.41 2.4853 -2 0 2 2
36.38 2.13 2.4698 0 2 2 4
37.09 3.57 2.4237 1 6 1 4
37.54 1.82 2.3957 -2 2 2 4
37.96 3.80 2.3705 -2 6 1 4
38.69 4.42 2.3274 3 5 0 4
38.77 1.36 2.3226 1 1 2 4
39.44 7.42 2.2847 -1 7 1 4
39.74 28.71 2.2681 -3 5 1 4
40.06 2.18 2.2510 0 8 0 2
40.64 3.11 2.2201 -3 0 2 2
40.70 1.21 2.2170 4 2 0 4
40.74 13.65 2.2147 -4 2 1 4
40.96 16.31 2.2035 -3 1 2 4
41.41 12.21 2.1805 1 7 1 4
41.50 3.05 2.1758 -2 4 2 4
41.93 49.34 2.1544 2 6 1 4
43.46 2.37 2.0823 -3 3 2 4
43.92 2.51 2.0617 0 8 1 4
44.07 22.72 2.0547 2 0 2 2
44.42 2.15 2.0393 4 4 0 4
44.88 4.51 2.0197 2 8 0 4
45.27 1.18 2.0032 2 2 2 4
45.40 13.07 1.9975 3 5 1 4
46.16 2.11 1.9664 3 7 0 4
46.46 3.17 1.9547 1 9 0 4
46.54 1.40 1.9514 0 6 2 4
46.70 1.46 1.9451 -2 8 1 4
46.91 1.59 1.9370 4 0 1 2
47.02 12.04 1.9326 -4 0 2 2
47.08 5.97 1.9302 -3 7 1 4
48.15 2.14 1.8899 -3 5 2 4
48.16 2.06 1.8895 -4 2 2 4
48.56 1.02 1.8747 3 6 1 4
49.08 7.93 1.8561 -1 9 1 4
50.11 1.56 1.8205 5 1 0 4
50.11 1.59 1.8203 2 8 1 4
50.14 1.92 1.8193 4 6 0 4
50.18 3.28 1.8180 -4 6 1 4
50.75 1.31 1.7990 1 9 1 4
51.46 10.41 1.7759 -4 4 2 4
52.26 2.02 1.7504 5 3 0 4
53.85 2.31 1.7025 -2 2 3 4
54.18 4.64 1.6928 0 8 2 4
54.49 6.29 1.6839 -1 3 3 4
54.56 3.49 1.6821 0 2 3 4
54.60 1.23 1.6808 -3 7 2 4
55.04 2.28 1.6684 -2 8 2 4
55.07 9.88 1.6676 -5 1 2 4
55.66 5.13 1.6512 -5 5 1 4
56.55 34.21 1.6275 4 6 1 4
57.16 12.72 1.6115 1 11 0 4
57.44 1.99 1.6044 4 8 0 4
58.52 22.26 1.5771 -1 5 3 4
59.38 4.32 1.5564 2 10 1 4
59.77 7.52 1.5473 4 0 2 2
60.74 7.96 1.5249 6 0 0 2
60.89 2.27 1.5213 1 9 2 4
61.20 3.40 1.5145 -1 6 3 4
61.79 17.52 1.5013 -2 6 3 4
61.82 17.54 1.5006 0 12 0 2
62.45 4.87 1.4872 0 6 3 4
63.09 2.55 1.4736 5 5 1 4
63.34 1.10 1.4682 4 8 1 4
63.44 2.09 1.4663 -4 8 2 4
63.59 4.24 1.4632 4 4 2 4
63.75 5.94 1.4599 -6 0 2 2
64.27 5.88 1.4494 -1 7 3 4
64.62 5.69 1.4424 3 11 0 4
66.06 2.89 1.4143 -4 10 1 4
67.40 2.19 1.3895 -1 11 2 4
67.75 36.19 1.3831 -6 6 1 4
68.34 6.35 1.3726 -4 6 3 4
68.65 1.04 1.3671 -2 11 2 4
68.76 1.11 1.3652 6 2 1 4
69.30 1.12 1.3559 5 0 2 2
69.53 10.72 1.3520 5 1 2 4
70.14 5.62 1.3418 1 11 2 4
70.19 6.89 1.3409 2 6 3 4
71.31 2.29 1.3225 5 3 2 4
71.53 1.34 1.3191 -1 9 3 4
71.62 2.25 1.3176 -3 11 2 4
71.64 2.39 1.3173 -5 5 3 4
71.92 1.07 1.3128 -6 6 2 4
71.97 1.43 1.3121 -1 0 4 2
72.19 2.93 1.3086 -1 1 4 4
72.51 2.91 1.3036 7 1 0 4
73.02 2.18 1.2957 0 12 2 4
73.76 17.68 1.2846 -2 12 2 4
73.78 1.91 1.2843 -5 9 2 4
73.79 7.43 1.2842 0 0 4 2
74.33 1.10 1.2761 -3 9 3 4
74.38 1.07 1.2754 -6 2 3 4
75.35 2.28 1.2613 -2 4 4 4
75.70 1.78 1.2564 -7 3 2 4
75.79 2.36 1.2552 -7 5 1 4
75.82 2.20 1.2547 4 12 0 4
76.69 3.43 1.2427 -4 0 4 2
76.82 1.27 1.2408 0 10 3 4
77.35 1.20 1.2337 4 2 3 4
79.01 2.94 1.2118 2 12 2 4
80.94 1.14 1.1878 2 14 1 4
81.15 2.28 1.1853 -4 12 2 4
82.34 2.95 1.1711 2 0 4 2
82.37 8.03 1.1707 -5 11 2 4
83.98 1.64 1.1524 1 15 1 4
84.76 1.89 1.1437 8 0 0 2
84.86 1.08 1.1426 7 5 1 4
87.97 1.07 1.1101 -6 0 4 2
88.53 1.05 1.1045 5 13 0 4
89.19 2.08 1.0980 3 1 4 4
89.58 1.75 1.0943 7 9 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.