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 = 4.93 GPa, natural orthopyroxene
_database_code_amcsd 0008023
CELL PARAMETERS: 18.0510 8.6683 5.1244 90.000 90.000 90.000
SPACE GROUP: Pbca
X-RAY WAVELENGTH: 1.541838
Cell Volume: 801.823
Density (g/cm3): 3.454
MAX. ABS. INTENSITY / VOLUME**2: 5.556367601
RIR: 0.524
RIR based on corundum from Acta Crystallographica A38 (1982) 733-739
2-THETA INTENSITY D-SPACING H K L Multiplicity
14.17 2.27 6.2519 2 1 0 4
20.49 4.79 4.3341 0 2 0 2
22.43 12.19 3.9632 2 1 1 8
25.03 1.48 3.5576 3 1 1 8
27.40 36.91 3.2550 1 2 1 8
28.29 22.97 3.1545 4 1 1 8
28.56 65.72 3.1259 4 2 0 4
28.73 83.40 3.1070 2 2 1 8
29.69 2.92 3.0085 6 0 0 2
30.84 54.94 2.8996 3 2 1 8
31.48 100.00 2.8422 6 1 0 4
32.04 38.39 2.7938 5 1 1 8
33.58 43.69 2.6686 4 2 1 8
35.02 1.61 2.5622 0 0 2 2
35.38 3.97 2.5368 1 0 2 4
36.03 62.97 2.4928 1 3 1 8
36.14 10.09 2.4855 6 1 1 8
36.45 74.83 2.4648 2 0 2 4
36.84 31.77 2.4395 5 2 1 8
36.94 2.61 2.4334 4 3 0 4
37.08 17.79 2.4244 2 3 1 8
37.95 1.41 2.3708 2 1 2 8
38.18 9.76 2.3574 3 0 2 4
38.78 5.37 2.3219 3 3 1 8
39.62 2.21 2.2748 3 1 2 8
40.49 4.05 2.2281 4 0 2 4
40.52 16.33 2.2262 7 1 1 8
40.52 1.19 2.2261 6 2 1 8
41.06 4.54 2.1981 4 3 1 8
41.86 2.80 2.1580 4 1 2 8
43.30 38.93 2.0895 5 0 2 4
43.42 3.91 2.0840 6 3 0 4
43.71 7.19 2.0709 3 2 2 8
43.85 26.55 2.0647 5 3 1 8
44.54 7.92 2.0341 7 2 1 8
44.61 13.32 2.0313 5 1 2 8
45.13 2.58 2.0088 8 1 1 8
45.31 4.07 2.0014 8 2 0 4
45.73 15.13 1.9838 1 4 1 8
45.79 3.18 1.9816 4 2 2 8
46.49 9.45 1.9535 4 4 0 4
46.60 11.66 1.9489 2 4 1 8
47.08 36.84 1.9304 6 3 1 8
47.79 2.03 1.9031 6 1 2 8
48.03 1.76 1.8944 3 4 1 8
48.36 1.14 1.8822 5 2 2 8
48.85 9.83 1.8643 8 2 1 8
49.95 1.13 1.8258 9 1 1 8
49.96 1.24 1.8254 4 4 1 8
50.19 7.24 1.8176 7 0 2 4
51.37 4.88 1.7788 6 2 2 8
51.73 9.94 1.7672 10 1 0 4
51.82 1.28 1.7644 4 3 2 8
52.38 5.28 1.7468 5 4 1 8
53.85 12.66 1.7025 2 5 0 4
54.17 1.29 1.6931 5 3 2 8
54.63 7.49 1.6801 8 3 1 8
54.77 6.35 1.6761 7 2 2 8
54.96 1.33 1.6706 10 1 1 8
55.27 10.07 1.6619 8 1 2 8
55.54 1.07 1.6546 0 4 2 4
55.79 2.90 1.6477 2 1 3 8
55.79 2.51 1.6477 1 4 2 8
56.55 6.97 1.6275 2 4 2 8
57.00 3.65 1.6157 2 5 1 8
57.05 7.90 1.6145 3 1 3 8
57.79 1.35 1.5954 3 4 2 8
58.04 13.23 1.5892 0 2 3 4
58.22 1.11 1.5847 10 2 1 8
58.24 1.07 1.5843 3 5 1 8
58.29 18.07 1.5830 1 2 3 8
58.44 9.89 1.5793 9 0 2 4
58.47 1.29 1.5784 7 4 1 8
58.52 2.11 1.5772 8 2 2 8
58.88 12.49 1.5685 9 3 1 8
59.11 1.51 1.5630 8 4 0 4
59.49 2.55 1.5538 9 1 2 8
59.94 1.30 1.5432 4 5 1 8
60.16 1.21 1.5380 11 1 1 8
61.66 10.09 1.5043 12 0 0 2
61.76 12.80 1.5021 6 5 0 4
61.90 1.02 1.4989 4 2 3 8
62.09 2.60 1.4948 5 5 1 8
62.60 5.28 1.4839 9 2 2 8
63.25 1.36 1.4702 11 2 1 8
63.41 36.04 1.4669 10 3 1 8
63.47 44.52 1.4656 1 3 3 8
63.55 2.10 1.4641 6 1 3 8
64.01 1.97 1.4545 5 2 3 8
64.17 2.97 1.4513 2 3 3 8
64.25 1.86 1.4498 6 4 2 8
64.50 28.66 1.4447 0 6 0 2
65.87 1.09 1.4180 2 5 2 8
66.99 1.60 1.3969 10 2 2 8
67.01 13.26 1.3966 3 5 2 8
67.23 1.72 1.3926 7 4 2 8
67.34 1.02 1.3905 0 6 1 4
67.54 1.88 1.3870 10 4 0 4
67.57 2.47 1.3864 1 6 1 8
67.63 1.93 1.3852 7 5 1 8
67.82 17.54 1.3819 11 0 2 4
68.22 26.47 1.3746 11 3 1 8
68.52 1.16 1.3694 12 2 1 8
68.79 3.44 1.3646 11 1 2 8
68.96 4.50 1.3618 5 3 3 8
69.48 7.21 1.3529 7 2 3 8
70.15 3.98 1.3415 0 4 3 4
70.37 3.04 1.3378 1 4 3 8
70.59 2.06 1.3342 5 5 2 8
71.40 5.97 1.3211 6 3 3 8
72.14 2.86 1.3094 3 4 3 8
72.92 1.37 1.2972 12 0 2 4
73.32 13.20 1.2912 12 3 1 8
73.66 2.86 1.2860 9 1 3 8
73.67 1.44 1.2859 4 4 3 8
73.87 11.16 1.2829 12 1 2 8
74.04 1.94 1.2804 13 2 1 8
74.21 7.21 1.2779 1 0 4 4
74.25 2.94 1.2773 7 3 3 8
74.38 2.74 1.2753 14 1 0 4
74.86 1.26 1.2684 2 0 4 4
75.15 3.66 1.2642 1 1 4 8
76.13 1.73 1.2504 10 5 0 4
76.42 15.60 1.2464 2 6 2 8
76.87 1.04 1.2401 3 1 4 8
77.06 2.70 1.2376 14 1 1 8
77.44 6.04 1.2324 4 0 4 4
77.49 5.03 1.2318 3 6 2 8
77.76 1.21 1.2282 10 1 3 8
79.05 7.49 1.2114 8 5 2 8
79.48 1.12 1.2058 2 5 3 8
80.29 3.36 1.1958 5 1 4 8
80.42 1.24 1.1942 4 7 0 4
80.54 3.23 1.1926 3 5 3 8
80.89 5.05 1.1883 5 6 2 8
82.00 1.09 1.1751 13 2 2 8
82.65 7.21 1.1675 9 5 2 8
83.03 2.43 1.1631 5 2 4 8
84.93 1.63 1.1419 5 7 1 8
85.10 1.42 1.1400 10 3 3 8
85.34 1.91 1.1374 7 1 4 8
85.95 1.90 1.1310 7 6 2 8
86.21 2.02 1.1282 16 0 0 2
87.23 1.12 1.1176 6 7 1 8
87.48 1.57 1.1151 9 4 3 8
87.58 2.09 1.1141 8 0 4 4
89.84 1.35 1.0918 16 2 0 4
89.95 1.02 1.0907 7 7 1 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.