Pyroxene-ideal
Thompson R M, Downs R T
American Mineralogist 89 (2004) 614-628
Model pyroxenes II: Structural variation as a function of tetrahedral rotation
model calcium cobalt px after Ghose et al. (1987)
with O3-O3-O3 angle = 165.1 and model oxygen radius = 1.325
_database_code_amcsd 0003504
CELL PARAMETERS: 9.7850 9.1000 5.2540 90.000 108.500 90.000
SPACE GROUP: C2/c
X-RAY WAVELENGTH: 1.541838
Cell Volume: 443.659
Density (g/cm3): 3.760
MAX. ABS. INTENSITY / VOLUME**2: 12.70688649
RIR: 1.100
RIR based on corundum from Acta Crystallographica A38 (1982) 733-739
2-THETA INTENSITY D-SPACING H K L Multiplicity
13.63 58.88 6.4972 1 1 0 4
19.13 32.14 4.6397 2 0 0 2
19.51 16.19 4.5500 0 2 0 2
24.82 3.80 3.5876 1 1 1 4
26.53 6.96 3.3599 0 2 1 4
27.46 12.88 3.2486 2 2 0 4
29.29 100.00 3.0487 -2 2 1 4
30.40 20.87 2.9399 -3 1 1 4
30.52 84.62 2.9286 3 1 0 4
31.02 3.52 2.8832 1 3 0 4
34.37 79.12 2.6095 -1 3 1 4
35.61 11.06 2.5209 -1 1 2 4
36.05 63.69 2.4912 0 0 2 2
36.21 34.19 2.4808 2 2 1 4
37.55 16.11 2.3952 1 3 1 4
39.62 1.20 2.2750 0 4 0 2
39.85 5.35 2.2624 -3 1 2 4
40.13 7.43 2.2470 3 1 1 4
41.61 21.66 2.1705 1 1 2 4
41.61 47.95 2.1703 -3 3 1 4
41.71 1.82 2.1657 3 3 0 4
42.35 13.51 2.1344 -4 2 1 4
43.74 1.24 2.0695 0 4 1 4
43.80 1.14 2.0667 4 2 0 4
44.10 22.63 2.0535 -4 0 2 2
44.35 1.80 2.0427 2 4 0 4
45.58 22.84 1.9901 -2 4 1 4
46.53 13.67 1.9519 2 0 2 2
48.65 1.47 1.8717 -4 2 2 4
49.24 1.35 1.8507 -3 3 2 4
49.48 7.29 1.8422 3 3 1 4
50.61 14.00 1.8036 2 4 1 4
50.74 1.02 1.7993 1 3 2 4
50.91 3.54 1.7938 2 2 2 4
51.14 7.79 1.7860 1 5 0 4
52.51 8.90 1.7426 4 2 1 4
53.92 1.40 1.7003 -2 4 2 4
54.63 1.87 1.6799 0 4 2 4
54.74 1.75 1.6769 -3 1 3 4
55.11 10.86 1.6665 3 1 2 4
55.47 5.46 1.6566 -4 4 1 4
55.99 26.67 1.6425 -5 3 1 4
56.33 19.62 1.6331 -2 2 3 4
56.67 1.26 1.6243 4 4 0 4
58.80 1.60 1.5703 -3 5 1 4
58.87 3.96 1.5686 3 5 0 4
59.52 12.70 1.5532 -6 0 2 2
59.80 12.38 1.5466 6 0 0 2
61.10 16.60 1.5167 0 6 0 2
61.64 16.37 1.5047 -1 3 3 4
62.45 5.75 1.4871 -3 3 3 4
62.80 3.09 1.4797 4 0 2 2
62.98 1.16 1.4759 -5 1 3 4
64.13 4.13 1.4522 4 4 1 4
64.66 1.93 1.4416 2 6 0 4
64.96 6.55 1.4356 -3 5 2 4
65.16 1.80 1.4317 3 5 1 4
66.66 28.25 1.4031 5 3 1 4
67.54 10.83 1.3870 -2 4 3 4
67.84 6.65 1.3814 1 3 3 4
68.99 1.69 1.3613 2 2 3 4
69.75 9.70 1.3483 -7 1 2 4
70.15 8.35 1.3415 -5 3 3 4
71.99 3.16 1.3118 7 1 0 4
73.04 18.67 1.2955 0 6 2 4
73.08 5.98 1.2949 -3 1 4 4
73.57 1.63 1.2874 1 7 0 4
74.09 5.15 1.2796 -4 0 4 2
74.79 2.49 1.2694 4 6 0 4
76.47 4.24 1.2456 0 0 4 2
76.85 5.65 1.2404 3 5 2 4
78.38 3.01 1.2200 -4 6 2 4
80.07 1.83 1.1985 3 7 0 4
80.14 3.81 1.1976 2 6 2 4
81.85 2.69 1.1768 -8 2 1 4
82.62 4.06 1.1679 -6 0 4 2
83.31 1.51 1.1599 8 0 0 2
83.35 1.97 1.1594 6 0 2 2
84.55 1.21 1.1460 4 2 3 4
85.48 2.52 1.1359 -3 7 2 4
87.24 2.04 1.1175 2 0 4 2
88.87 3.45 1.1012 -8 2 3 4
89.38 4.11 1.0962 -2 8 1 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.