Pyroxene-ideal
Thompson R M, Downs R T
American Mineralogist 88 (2003) 653-666
Model pyroxenes I: Ideal pyroxene topologies
Pyroxene #35b based on stacking sequence ABABABCBACAC
Note: Atoms Mg, Si, and O are assigned to atomic positions just for convenience.
_database_code_amcsd 0003047
CELL PARAMETERS: 19.5959 6.0000 3.4641 90.000 90.000 90.000
SPACE GROUP: Pc
X-RAY WAVELENGTH: 1.541838
Cell Volume: 407.293
Density (g/cm3): 9.821
MAX. ABS. INTENSITY / VOLUME**2: 18.12185884
RIR: 0.601
RIR based on corundum from Acta Crystallographica A38 (1982) 733-739
2-THETA INTENSITY D-SPACING H K L Multiplicity
20.10 1.20 4.4188 3 1 0 2
27.31 4.06 3.2660 6 0 0 1
29.78 8.61 3.0000 0 2 0 2
29.78 4.06 3.0000 0 1 1 2
30.14 18.26 2.9654 -1 1 1 2
30.14 2.07 2.9654 1 1 1 2
31.18 7.95 2.8685 2 1 1 2
40.02 1.90 2.2528 -1 2 1 2
40.02 1.29 2.2528 1 2 1 2
40.84 28.43 2.2094 6 2 0 2
40.84 5.09 2.2094 6 1 1 2
40.84 4.27 2.2094 -6 1 1 2
40.84 6.40 2.2094 -2 2 1 2
40.84 2.19 2.2094 2 2 1 2
42.18 33.45 2.1423 3 2 1 2
42.18 13.71 2.1423 -3 2 1 2
44.00 8.36 2.0580 4 2 1 2
44.00 26.48 2.0580 -4 2 1 2
44.25 93.83 2.0467 9 1 0 2
44.25 3.50 2.0467 7 1 1 2
44.25 2.67 2.0467 -7 1 1 2
46.25 4.04 1.9629 5 2 1 2
46.25 2.49 1.9629 -5 2 1 2
47.95 2.25 1.8974 -8 1 1 2
48.89 2.32 1.8628 6 2 1 2
48.89 2.32 1.8628 -6 2 1 2
51.89 4.71 1.7621 7 2 1 2
53.08 4.31 1.7253 1 3 1 2
53.08 2.15 1.7253 -1 0 2 1
53.74 7.59 1.7056 -2 3 1 2
53.74 5.33 1.7056 2 3 1 2
53.74 2.66 1.7056 -2 0 2 1
53.74 3.80 1.7056 2 0 2 1
54.84 3.54 1.6742 3 3 1 2
54.84 3.54 1.6742 -3 3 1 2
54.84 1.77 1.6742 3 0 2 1
54.84 1.77 1.6742 -3 0 2 1
55.20 3.37 1.6641 -8 2 1 2
55.20 1.50 1.6641 8 2 1 2
56.06 2.38 1.6406 2 1 2 2
56.34 4.30 1.6330 12 0 0 1
56.34 15.44 1.6330 -4 3 1 2
56.34 7.72 1.6330 4 0 2 1
57.12 5.29 1.6126 3 1 2 2
57.12 12.75 1.6126 -3 1 2 2
58.24 18.12 1.5842 5 3 1 2
58.24 3.39 1.5842 -5 3 1 2
58.24 9.06 1.5842 -5 0 2 1
58.24 1.70 1.5842 5 0 2 1
58.58 10.42 1.5757 4 1 2 2
58.58 3.32 1.5757 -4 1 2 2
58.79 1.24 1.5706 -9 2 1 2
58.79 1.35 1.5706 9 2 1 2
60.44 2.57 1.5317 11 1 1 2
60.44 1.37 1.5317 -11 1 1 2
60.44 1.03 1.5317 5 1 2 2
60.44 1.68 1.5317 -5 1 2 2
60.50 12.96 1.5302 6 3 1 2
60.50 1.90 1.5302 -6 3 1 2
60.50 6.48 1.5302 -6 0 2 1
62.06 1.90 1.4956 1 2 2 2
62.66 1.02 1.4827 6 1 2 2
62.66 1.02 1.4827 -6 1 2 2
63.12 3.30 1.4729 7 3 1 2
63.12 15.98 1.4729 -7 3 1 2
63.12 7.99 1.4729 7 0 2 1
63.12 1.65 1.4729 -7 0 2 1
65.03 1.61 1.4343 12 1 1 2
65.03 2.81 1.4343 -12 1 1 2
65.22 2.20 1.4304 -7 1 2 2
66.07 1.94 1.4142 -8 3 1 2
68.12 1.68 1.3765 8 1 2 2
68.88 5.18 1.3631 6 4 0 2
68.88 1.25 1.3631 -2 4 1 2
69.83 2.82 1.3469 -3 4 1 2
69.83 6.63 1.3469 3 4 1 2
71.15 1.74 1.3252 4 4 1 2
71.15 5.39 1.3252 -4 4 1 2
72.89 2.92 1.2978 -10 3 1 2
72.89 1.46 1.2978 10 0 2 1
74.30 2.52 1.2765 15 1 0 2
75.77 1.49 1.2554 -13 2 1 2
76.75 1.17 1.2418 -11 3 1 2
76.75 6.11 1.2418 11 3 1 2
76.75 3.06 1.2418 -11 0 2 1
77.23 1.27 1.2352 7 4 1 2
79.95 1.02 1.2000 -8 4 1 2
80.67 3.24 1.1911 14 2 1 2
80.91 9.91 1.1882 12 3 1 2
80.91 2.00 1.1882 -12 3 1 2
80.91 4.95 1.1882 -12 0 2 1
80.91 1.00 1.1882 12 0 2 1
85.37 14.41 1.1371 -13 3 1 2
85.37 3.29 1.1371 13 3 1 2
85.37 1.64 1.1371 -13 0 2 1
85.37 7.20 1.1371 13 0 2 1
85.85 1.42 1.1320 -15 2 1 2
88.51 1.13 1.1047 12 2 2 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.