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 = 2.50 GPa, synthetic En60 orthopyroxene
_database_code_amcsd 0008011
CELL PARAMETERS: 18.1970 8.8200 5.1710 90.000 90.000 90.000
SPACE GROUP: Pbca
X-RAY WAVELENGTH: 1.541838
Cell Volume: 829.933
Density (g/cm3): 3.627
MAX. ABS. INTENSITY / VOLUME**2: 7.050755412
RIR: 0.633
RIR based on corundum from Acta Crystallographica A38 (1982) 733-739
2-THETA INTENSITY D-SPACING H K L Multiplicity
13.98 18.67 6.3329 2 1 0 4
19.51 15.24 4.5493 4 0 0 2
20.14 5.89 4.4100 0 2 0 2
22.19 7.82 4.0054 2 1 1 8
26.56 3.94 3.3555 0 2 1 4
27.02 15.31 3.2998 1 2 1 8
28.01 14.46 3.1851 4 1 1 8
28.18 55.50 3.1664 4 2 0 4
28.35 76.39 3.1482 2 2 1 8
29.45 1.13 3.0328 6 0 0 2
30.44 63.47 2.9361 3 2 1 8
31.19 100.00 2.8680 6 1 0 4
31.73 26.63 2.8200 5 1 1 8
33.18 52.17 2.7004 4 2 1 8
34.70 1.11 2.5855 0 0 2 2
35.06 7.66 2.5598 1 0 2 4
35.47 67.10 2.5310 1 3 1 8
35.80 7.22 2.5081 6 1 1 8
36.12 55.02 2.4870 2 0 2 4
36.38 1.64 2.4692 4 3 0 4
36.42 35.50 2.4669 5 2 1 8
36.52 32.58 2.4606 2 3 1 8
36.55 1.61 2.4583 1 1 2 8
37.83 19.33 2.3784 3 0 2 4
39.23 4.07 2.2964 3 1 2 8
40.11 1.33 2.2478 4 0 2 4
40.15 6.10 2.2460 7 1 1 8
40.48 3.63 2.2282 4 3 1 8
41.46 2.27 2.1782 4 1 2 8
42.84 2.87 2.1110 6 3 0 4
42.91 40.67 2.1078 5 0 2 4
43.22 5.62 2.0934 3 2 2 8
43.26 31.60 2.0916 5 3 1 8
44.07 10.05 2.0550 7 2 1 8
44.18 16.62 2.0500 5 1 2 8
44.72 3.99 2.0264 8 1 1 8
44.83 2.68 2.0216 8 2 0 4
44.97 7.97 2.0158 1 4 1 8
45.28 1.06 2.0027 4 2 2 8
45.73 5.61 1.9842 4 4 0 4
45.84 11.09 1.9797 2 4 1 8
46.46 42.33 1.9544 6 3 1 8
47.25 1.91 1.9236 3 4 1 8
47.34 1.03 1.9204 6 1 2 8
48.34 11.43 1.8828 8 2 1 8
49.18 2.78 1.8525 4 4 1 8
49.74 12.66 1.8332 7 0 2 4
50.81 5.38 1.7968 6 2 2 8
51.15 1.36 1.7857 4 3 2 8
51.26 3.58 1.7822 10 1 0 4
51.59 7.30 1.7717 5 4 1 8
52.87 17.54 1.7318 2 5 0 4
53.49 1.35 1.7130 5 3 2 8
53.96 5.15 1.6991 8 3 1 8
54.18 7.49 1.6928 7 2 2 8
54.75 6.72 1.6767 8 1 2 8
54.96 1.60 1.6706 1 4 2 8
55.23 2.41 1.6632 2 1 3 8
55.71 4.71 1.6499 2 4 2 8
56.00 3.17 1.6421 2 5 1 8
56.47 4.14 1.6295 3 1 3 8
56.95 1.43 1.6170 3 4 2 8
57.40 17.59 1.6054 0 2 3 4
57.64 15.37 1.5992 1 2 3 8
57.64 1.15 1.5991 7 4 1 8
57.90 10.44 1.5927 9 0 2 4
58.18 16.28 1.5857 9 3 1 8
58.28 1.98 1.5832 8 4 0 4
58.93 3.32 1.5674 9 1 2 8
58.93 1.05 1.5673 4 5 1 8
60.74 10.85 1.5248 6 5 0 4
61.06 2.46 1.5175 5 5 1 8
61.11 10.64 1.5164 12 0 0 2
61.95 2.77 1.4980 9 2 2 8
62.61 1.12 1.4838 11 2 1 8
62.67 31.75 1.4824 10 3 1 8
62.69 34.19 1.4820 1 3 3 8
62.91 1.51 1.4774 6 1 3 8
63.26 26.37 1.4700 0 6 0 2
63.32 1.94 1.4688 5 2 3 8
63.35 1.43 1.4681 6 4 2 8
63.38 7.14 1.4675 2 3 3 8
64.11 1.38 1.4525 1 5 2 8
64.53 1.17 1.4442 3 3 3 8
65.93 13.10 1.4169 3 5 2 8
66.30 1.04 1.4097 1 6 1 8
66.31 1.42 1.4096 7 4 2 8
66.57 1.26 1.4048 7 5 1 8
66.64 1.09 1.4035 10 4 0 4
67.18 16.44 1.3935 11 0 2 4
67.44 25.81 1.3887 11 3 1 8
67.82 2.04 1.3819 12 2 1 8
68.12 4.89 1.3765 5 3 3 8
68.13 6.09 1.3764 11 1 2 8
68.72 5.05 1.3659 7 2 3 8
69.18 5.00 1.3580 0 4 3 4
69.40 2.50 1.3542 1 4 3 8
69.48 3.07 1.3528 5 5 2 8
70.54 8.72 1.3351 6 3 3 8
71.15 1.43 1.3252 3 4 3 8
72.47 12.06 1.3041 12 3 1 8
72.91 1.18 1.2974 9 1 3 8
73.14 9.62 1.2939 12 1 2 8
73.22 1.23 1.2928 0 0 4 2
73.27 1.57 1.2919 13 2 1 8
73.35 3.55 1.2907 7 3 3 8
73.43 5.68 1.2895 1 0 4 4
73.67 3.55 1.2859 14 1 0 4
74.34 3.05 1.2759 1 1 4 8
74.67 1.12 1.2711 7 5 2 8
75.06 12.01 1.2655 2 6 2 8
76.12 7.38 1.2504 3 6 2 8
76.31 1.20 1.2479 14 1 1 8
76.63 7.46 1.2435 4 0 4 4
77.28 1.81 1.2346 8 6 0 4
77.85 4.45 1.2270 8 5 2 8
78.25 1.37 1.2217 2 5 3 8
79.30 2.45 1.2081 3 5 3 8
79.41 2.26 1.2067 5 1 4 8
79.49 5.17 1.2057 5 6 2 8
81.41 7.67 1.1821 9 5 2 8
81.71 1.41 1.1786 6 1 4 8
82.07 2.04 1.1742 5 2 4 8
83.27 1.00 1.1603 5 7 1 8
84.40 1.45 1.1477 7 1 4 8
84.48 3.29 1.1468 7 6 2 8
85.35 2.87 1.1373 16 0 0 2
86.62 3.12 1.1239 8 0 4 4
88.74 1.48 1.1024 12 2 3 8
89.66 2.49 1.0935 11 5 2 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.