Pigeonite
Angel R J, McCammon C A, Woodland A B
Physics and Chemistry of Minerals 25 (1998) 249-258
Structure, ordering and cation interactions in Ca-free P2_1/c clinopyroxenes
Sample: H162
Note: x coordinate of O2B changed by author, May, 2004
_database_code_amcsd 0008137
CELL PARAMETERS: 9.6519 8.9075 5.2004 90.000 108.590 90.000
SPACE GROUP: P2_1/c
X-RAY WAVELENGTH: 1.541838
Cell Volume: 423.773
Density (g/cm3): 3.532
MAX. ABS. INTENSITY / VOLUME**2: 10.52120168
RIR: 0.970
RIR based on corundum from Acta Crystallographica A38 (1982) 733-739
2-THETA INTENSITY D-SPACING H K L Multiplicity
13.88 3.67 6.3820 1 1 0 4
19.41 8.55 4.5742 2 0 0 2
20.17 7.98 4.4034 -1 1 1 4
20.59 6.91 4.3128 0 1 1 4
26.65 2.86 3.3448 -1 2 1 4
26.98 19.00 3.3046 0 2 1 4
27.96 51.46 3.1910 2 2 0 4
29.78 100.00 3.0003 -2 2 1 4
30.67 1.66 2.9153 1 2 1 4
30.83 33.76 2.9003 -3 1 1 4
31.00 55.39 2.8851 3 1 0 4
34.54 1.98 2.5967 -1 0 2 2
35.03 40.02 2.5616 -1 3 1 4
35.29 3.65 2.5434 0 3 1 4
35.44 1.97 2.5329 -2 0 2 2
36.46 49.09 2.4645 0 0 2 2
36.80 23.60 2.4423 2 2 1 4
37.53 10.07 2.3966 -2 3 1 4
38.26 2.51 2.3526 1 3 1 4
40.72 10.19 2.2156 3 1 1 4
40.84 7.90 2.2094 1 0 2 2
40.99 1.68 2.2017 -2 2 2 4
41.89 1.92 2.1564 0 2 2 4
42.14 6.57 2.1444 1 1 2 4
42.37 39.33 2.1334 -3 3 1 4
42.49 1.75 2.1273 3 3 0 4
43.02 6.67 2.1026 -4 2 1 4
44.16 2.98 2.0509 -3 2 2 4
44.44 1.07 2.0386 -1 4 1 4
44.53 2.84 2.0345 4 2 0 4
44.64 11.35 2.0299 -4 0 2 2
44.65 7.36 2.0294 0 4 1 4
45.29 5.09 2.0022 2 4 0 4
45.85 2.93 1.9791 -4 1 2 4
46.51 5.46 1.9524 -2 4 1 4
47.14 9.89 1.9281 2 0 2 2
48.99 3.04 1.8595 -4 3 1 4
50.36 2.54 1.8121 3 3 1 4
50.66 1.00 1.8021 -3 4 1 4
50.95 3.30 1.7922 5 1 0 4
51.61 2.97 1.7708 2 4 1 4
51.66 8.97 1.7694 2 2 2 4
51.67 1.96 1.7689 -5 2 1 4
52.32 9.41 1.7487 1 5 0 4
53.37 2.93 1.7167 4 2 1 4
54.48 1.58 1.6841 -1 1 3 4
54.61 1.18 1.6806 -1 5 1 4
54.79 1.51 1.6754 0 5 1 4
54.90 3.08 1.6724 -2 4 2 4
55.38 2.75 1.6590 -3 1 3 4
55.62 1.00 1.6523 0 4 2 4
55.90 5.88 1.6448 3 1 2 4
56.12 1.22 1.6387 -5 2 2 4
56.96 25.52 1.6167 -5 3 1 4
57.00 1.37 1.6158 0 1 3 4
57.06 16.51 1.6141 -2 2 3 4
57.59 1.28 1.6005 -1 2 3 4
60.06 3.34 1.5405 -3 5 1 4
60.15 4.89 1.5382 3 5 0 4
60.35 5.92 1.5337 -6 0 2 2
60.74 5.73 1.5247 6 0 0 2
62.04 10.14 1.4960 -2 3 3 4
62.54 11.14 1.4851 -1 3 3 4
62.57 14.84 1.4846 0 6 0 2
63.31 1.05 1.4690 -1 5 2 4
63.37 1.24 1.4678 -3 3 3 4
63.73 3.91 1.4603 4 0 2 2
63.86 1.53 1.4576 2 4 2 4
64.23 2.21 1.4501 -6 2 2 4
64.55 3.07 1.4438 0 5 2 4
66.25 3.04 1.4108 -3 5 2 4
66.53 1.78 1.4055 3 5 1 4
66.62 1.83 1.4038 -5 2 3 4
67.54 1.33 1.3868 1 5 2 4
67.84 27.38 1.3814 5 3 1 4
68.65 3.90 1.3671 -2 4 3 4
68.89 5.30 1.3631 1 3 3 4
69.90 3.57 1.3457 -7 0 2 2
69.99 1.05 1.3442 2 2 3 4
70.81 5.68 1.3306 -7 1 2 4
71.22 3.24 1.3240 -5 3 3 4
71.34 1.69 1.3221 0 4 3 4
73.08 3.20 1.2949 -3 0 4 2
73.20 1.78 1.2931 7 1 0 4
73.75 1.36 1.2848 -2 1 4 4
74.01 1.02 1.2808 -2 6 2 4
74.56 1.74 1.2727 5 1 2 4
74.63 9.05 1.2717 0 6 2 4
75.00 3.00 1.2664 -4 0 4 2
75.88 1.03 1.2538 -4 1 4 4
77.45 1.03 1.2323 0 0 4 2
77.96 1.78 1.2255 -3 5 3 4
78.33 1.31 1.2206 0 1 4 4
78.40 5.83 1.2198 3 5 2 4
80.08 2.14 1.1983 -4 6 2 4
81.90 1.78 1.1763 2 6 2 4
82.05 1.54 1.1745 -5 2 4 4
82.96 1.08 1.1639 7 1 1 4
84.78 1.25 1.1435 8 0 0 2
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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.