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 = 1.90 GPa, natural orthopyroxene
_database_code_amcsd 0008020
CELL PARAMETERS: 18.1600 8.7503 5.1606 90.000 90.000 90.000
SPACE GROUP: Pbca
X-RAY WAVELENGTH: 1.541838
Cell Volume: 820.047
Density (g/cm3): 3.377
MAX. ABS. INTENSITY / VOLUME**2: 5.294626310
RIR: 0.511
RIR based on corundum from Acta Crystallographica A38 (1982) 733-739
2-THETA INTENSITY D-SPACING H K L Multiplicity
14.06 4.14 6.3007 2 1 0 4
19.55 2.22 4.5400 4 0 0 2
20.30 4.29 4.3752 0 2 0 2
22.06 1.43 4.0299 4 1 0 4
22.27 15.11 3.9924 2 1 1 8
27.17 36.02 3.2823 1 2 1 8
28.09 16.94 3.1762 4 1 1 8
28.33 78.02 3.1504 4 2 0 4
28.50 97.70 3.1324 2 2 1 8
29.51 3.83 3.0267 6 0 0 2
30.59 59.74 2.9225 3 2 1 8
31.27 100.00 2.8604 6 1 0 4
31.82 36.48 2.8125 5 1 1 8
32.23 1.57 2.7770 2 3 0 4
33.32 39.47 2.6889 4 2 1 8
34.77 1.22 2.5803 0 0 2 2
35.13 2.45 2.5546 1 0 2 4
35.70 64.45 2.5148 1 3 1 8
35.90 9.04 2.5018 6 1 1 8
36.19 71.91 2.4820 2 0 2 4
36.57 33.07 2.4574 5 2 1 8
36.62 2.71 2.4540 4 3 0 4
36.75 14.79 2.4454 2 3 1 8
37.67 1.54 2.3878 2 1 2 8
37.90 10.20 2.3737 3 0 2 4
38.44 6.32 2.3416 3 3 1 8
39.33 2.97 2.2909 3 1 2 8
40.20 2.36 2.2433 4 0 2 4
40.22 1.52 2.2419 6 2 1 8
40.25 9.89 2.2406 7 1 1 8
40.71 4.36 2.2162 4 3 1 8
41.56 3.57 2.1730 4 1 2 8
43.00 39.37 2.1035 5 0 2 4
43.07 3.72 2.1002 6 3 0 4
43.37 8.58 2.0864 3 2 2 8
43.49 32.82 2.0811 5 3 1 8
44.22 6.90 2.0482 7 2 1 8
44.29 13.97 2.0452 5 1 2 8
44.83 5.30 2.0216 8 1 1 8
44.99 2.50 2.0149 8 2 0 4
45.30 13.55 2.0018 1 4 1 8
45.44 2.66 1.9962 4 2 2 8
46.06 9.94 1.9707 4 4 0 4
46.17 14.81 1.9663 2 4 1 8
46.69 36.73 1.9453 6 3 1 8
47.45 2.08 1.9159 6 1 2 8
47.58 1.50 1.9111 3 4 1 8
48.50 7.15 1.8769 8 2 1 8
49.51 1.37 1.8411 4 4 1 8
49.84 7.04 1.8295 7 0 2 4
50.98 8.04 1.7914 6 2 2 8
51.38 1.05 1.7782 4 3 2 8
51.39 9.93 1.7781 10 1 0 4
51.91 6.97 1.7614 5 4 1 8
53.31 14.18 1.7184 2 5 0 4
53.73 1.34 1.7061 5 3 2 8
54.20 9.90 1.6923 8 3 1 8
54.35 9.95 1.6879 7 2 2 8
54.73 1.64 1.6773 10 2 0 4
54.74 1.32 1.6768 6 4 1 8
54.88 9.51 1.6729 8 1 2 8
55.03 1.04 1.6686 0 4 2 4
55.29 2.71 1.6616 1 4 2 8
55.36 3.23 1.6595 2 1 3 8
56.04 6.54 1.6411 2 4 2 8
56.44 4.68 1.6304 2 5 1 8
56.61 6.93 1.6259 3 1 3 8
57.27 1.03 1.6086 3 4 2 8
57.57 15.92 1.6009 0 2 3 4
57.82 17.90 1.5947 1 2 3 8
58.03 10.29 1.5895 9 0 2 4
58.08 1.85 1.5881 8 2 2 8
58.42 16.17 1.5797 9 3 1 8
58.60 2.09 1.5752 8 4 0 4
59.07 1.54 1.5639 9 1 2 8
59.36 1.50 1.5569 4 5 1 8
59.75 1.07 1.5476 11 1 1 8
60.48 1.66 1.5307 5 1 3 8
61.17 11.23 1.5150 6 5 0 4
61.25 5.48 1.5133 12 0 0 2
61.41 1.04 1.5098 4 2 3 8
61.50 3.42 1.5078 5 5 1 8
62.13 3.48 1.4939 9 2 2 8
62.80 1.91 1.4797 11 2 1 8
62.92 37.47 1.4771 10 3 1 8
62.94 44.05 1.4768 1 3 3 8
63.06 2.00 1.4742 6 1 3 8
63.51 1.62 1.4649 5 2 3 8
63.63 4.29 1.4624 2 3 3 8
63.68 2.54 1.4613 6 4 2 8
63.82 30.69 1.4584 0 6 0 2
66.36 12.53 1.4086 3 5 2 8
66.49 1.82 1.4063 10 2 2 8
66.64 2.76 1.4034 7 4 2 8
66.86 2.01 1.3992 1 6 1 8
66.97 2.41 1.3973 10 4 0 4
67.00 1.62 1.3967 7 5 1 8
67.33 21.99 1.3906 11 0 2 4
67.69 25.01 1.3841 11 3 1 8
68.02 2.24 1.3782 12 2 1 8
68.29 5.65 1.3734 11 1 2 8
68.38 4.42 1.3719 5 3 3 8
68.92 6.25 1.3624 7 2 3 8
69.52 4.59 1.3522 0 4 3 4
69.74 2.98 1.3485 1 4 3 8
69.92 2.24 1.3453 5 5 2 8
70.80 7.30 1.3308 6 3 3 8
71.49 2.86 1.3197 3 4 3 8
72.21 1.13 1.3083 8 2 3 8
72.39 1.09 1.3054 12 0 2 4
72.74 16.62 1.3000 12 3 1 8
73.01 1.71 1.2959 4 4 3 8
73.09 2.45 1.2947 9 1 3 8
73.33 12.10 1.2911 12 1 2 8
73.49 2.99 1.2886 13 2 1 8
73.60 7.23 1.2869 1 0 4 4
73.62 2.94 1.2866 7 3 3 8
73.86 3.33 1.2831 14 1 0 4
74.53 4.32 1.2732 1 1 4 8
75.32 1.09 1.2618 3 0 4 4
75.44 2.01 1.2601 10 5 0 4
75.63 15.50 1.2574 2 6 2 8
76.24 1.07 1.2489 3 1 4 8
76.50 2.64 1.2452 14 1 1 8
76.69 5.51 1.2426 3 6 2 8
76.81 6.08 1.2410 4 0 4 4
77.85 1.39 1.2270 8 6 0 4
78.31 7.07 1.2210 8 5 2 8
78.71 1.66 1.2157 2 5 3 8
79.53 1.15 1.2052 4 7 0 4
79.62 3.12 1.2042 5 1 4 8
79.76 3.92 1.2023 3 5 3 8
80.07 5.41 1.1985 5 6 2 8
81.87 6.63 1.1766 9 5 2 8
82.32 2.89 1.1713 5 2 4 8
84.00 1.58 1.1522 5 7 1 8
84.37 1.61 1.1481 10 3 3 8
84.62 1.72 1.1453 7 1 4 8
85.07 1.61 1.1404 7 6 2 8
85.57 2.84 1.1350 16 0 0 2
86.28 1.07 1.1275 6 7 1 8
86.68 1.23 1.1233 9 4 3 8
86.83 2.10 1.1216 8 0 4 4
89.02 1.47 1.0997 16 1 1 8
89.13 1.12 1.0986 16 2 0 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.