Enstatite
Hugh-Jones D A, Chopelas A, Angel R J
Physics and Chemistry of Minerals 24 (1997) 301-310
Tetrahedral compression in (Mg,Fe)SiO3 orthopyroxenes
Sample: P = 7.50 GPa, synthetic En60 orthopyroxene
_database_code_amcsd 0008017
CELL PARAMETERS: 18.0350 8.6820 5.1138 90.000 90.000 90.000
SPACE GROUP: Pbca
X-RAY WAVELENGTH: 1.541838
Cell Volume: 800.718
Density (g/cm3): 3.760
MAX. ABS. INTENSITY / VOLUME**2: 6.722139135
RIR: 0.582
RIR based on corundum from Acta Crystallographica A38 (1982) 733-739
2-THETA INTENSITY D-SPACING H K L Multiplicity
14.16 19.26 6.2543 2 1 0 4
19.69 15.47 4.5087 4 0 0 2
20.46 5.12 4.3410 0 2 0 2
20.75 1.03 4.2804 1 1 1 8
22.46 9.22 3.9589 2 1 1 8
26.94 5.29 3.3094 0 2 1 4
27.40 17.16 3.2551 1 2 1 8
28.32 13.67 3.1513 4 1 1 8
28.54 53.10 3.1272 4 2 0 4
28.73 74.55 3.1068 2 2 1 8
29.72 1.75 3.0058 6 0 0 2
30.84 67.04 2.8991 3 2 1 8
31.50 100.00 2.8404 6 1 0 4
32.07 29.39 2.7911 5 1 1 8
33.59 68.67 2.6679 4 2 1 8
35.10 2.29 2.5569 0 0 2 2
35.46 10.48 2.5316 1 0 2 4
36.00 71.02 2.4944 1 3 1 8
36.17 8.65 2.4831 6 1 1 8
36.53 63.79 2.4599 2 0 2 4
36.86 39.91 2.4385 5 2 1 8
36.91 2.09 2.4355 4 3 0 4
36.99 1.34 2.4304 1 1 2 8
37.06 35.59 2.4258 2 3 1 8
38.25 18.25 2.3529 3 0 2 4
39.69 5.47 2.2710 3 1 2 8
40.54 1.28 2.2250 6 2 1 8
40.56 3.63 2.2241 4 0 2 4
40.56 7.50 2.2241 7 1 1 8
41.05 3.60 2.1988 4 3 1 8
41.93 2.77 2.1546 4 1 2 8
43.38 43.46 2.0860 5 0 2 4
43.40 3.57 2.0848 6 3 0 4
43.76 5.21 2.0686 3 2 2 8
43.84 32.29 2.0650 5 3 1 8
44.57 9.48 2.0330 7 2 1 8
44.68 19.23 2.0282 5 1 2 8
45.18 3.95 2.0070 8 1 1 8
45.33 2.77 2.0007 8 2 0 4
45.69 10.69 1.9858 1 4 1 8
45.84 1.60 1.9795 4 2 2 8
46.43 6.66 1.9557 4 4 0 4
46.56 10.47 1.9507 2 4 1 8
47.07 51.20 1.9305 6 3 1 8
47.87 2.00 1.9004 6 1 2 8
47.98 2.04 1.8960 3 4 1 8
48.88 13.47 1.8632 8 2 1 8
49.93 2.88 1.8267 4 4 1 8
50.27 13.16 1.8149 7 0 2 4
51.42 5.77 1.7769 6 2 2 8
51.77 3.13 1.7658 10 1 0 4
51.84 1.22 1.7635 4 3 2 8
52.35 6.71 1.7478 5 4 1 8
53.76 18.26 1.7051 2 5 0 4
54.20 1.53 1.6922 5 3 2 8
54.64 4.01 1.6798 8 3 1 8
54.83 7.09 1.6744 7 2 2 8
55.35 7.15 1.6598 8 1 2 8
55.79 1.33 1.6478 1 4 2 8
55.91 1.75 1.6446 2 1 3 8
56.55 5.83 1.6275 2 4 2 8
56.93 2.78 1.6175 2 5 1 8
57.16 5.58 1.6115 3 1 3 8
57.79 1.35 1.5954 3 4 2 8
58.14 14.18 1.5867 0 2 3 4
58.26 1.17 1.5836 10 2 1 8
58.39 19.67 1.5806 1 2 3 8
58.45 1.22 1.5789 7 4 1 8
58.52 11.33 1.5772 9 0 2 4
58.59 1.69 1.5757 8 2 2 8
58.89 15.73 1.5681 9 3 1 8
59.08 2.10 1.5636 8 4 0 4
59.57 3.17 1.5518 9 1 2 8
59.88 1.02 1.5447 4 5 1 8
61.69 14.11 1.5036 6 5 0 4
61.72 12.03 1.5029 12 0 0 2
62.03 1.92 1.4961 5 5 1 8
62.67 2.27 1.4824 9 2 2 8
63.30 1.54 1.4691 11 2 1 8
63.44 37.66 1.4663 10 3 1 8
63.55 42.71 1.4639 1 3 3 8
63.67 1.40 1.4616 6 1 3 8
64.12 2.46 1.4524 5 2 3 8
64.25 4.81 1.4497 2 3 3 8
64.26 1.76 1.4496 6 4 2 8
64.39 27.82 1.4470 0 6 0 2
65.15 1.79 1.4319 1 5 2 8
65.41 1.45 1.4268 3 3 3 8
65.84 1.59 1.4186 2 5 2 8
66.98 15.10 1.3971 3 5 2 8
67.07 1.08 1.3955 10 2 2 8
67.24 1.27 1.3923 7 4 2 8
67.47 1.82 1.3882 1 6 1 8
67.53 1.33 1.3871 10 4 0 4
67.59 1.07 1.3860 7 5 1 8
67.91 18.91 1.3802 11 0 2 4
68.26 26.33 1.3741 11 3 1 8
68.58 2.24 1.3684 12 2 1 8
68.89 4.86 1.3631 11 1 2 8
69.04 6.02 1.3603 5 3 3 8
69.59 7.47 1.3510 7 2 3 8
70.21 3.99 1.3406 0 4 3 4
70.43 3.11 1.3369 1 4 3 8
70.57 4.36 1.3345 5 5 2 8
71.49 6.20 1.3196 6 3 3 8
72.20 2.12 1.3085 3 4 3 8
73.02 1.36 1.2957 12 0 2 4
73.36 12.89 1.2906 12 3 1 8
73.79 1.66 1.2841 9 1 3 8
73.97 10.58 1.2815 12 1 2 8
74.10 1.72 1.2794 13 2 1 8
74.34 4.21 1.2760 7 3 3 8
74.39 6.51 1.2752 1 0 4 4
74.46 4.18 1.2743 14 1 0 4
75.33 2.57 1.2617 1 1 4 8
75.82 1.32 1.2546 7 5 2 8
76.36 13.13 1.2472 2 6 2 8
77.05 1.10 1.2377 3 1 4 8
77.14 1.48 1.2365 14 1 1 8
77.43 6.22 1.2326 3 6 2 8
77.63 8.19 1.2300 4 0 4 4
78.55 1.74 1.2177 8 6 0 4
79.04 4.97 1.2114 8 5 2 8
80.28 1.19 1.1959 4 7 0 4
80.47 2.89 1.1936 5 1 4 8
80.57 2.40 1.1923 3 5 3 8
80.84 5.48 1.1889 5 6 2 8
82.65 8.05 1.1675 9 5 2 8
82.79 1.21 1.1658 6 1 4 8
83.20 1.97 1.1611 5 2 4 8
84.81 1.04 1.1432 5 7 1 8
85.53 1.47 1.1354 7 1 4 8
85.90 3.27 1.1314 7 6 2 8
86.03 1.08 1.1301 15 2 1 8
86.30 3.42 1.1272 16 0 0 2
87.77 3.15 1.1121 8 0 4 4
89.91 1.17 1.0911 12 2 3 8
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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.