Clinoenstatite
Tribaudino M, Nestola F, Camara F, Domeneghetti M C
American Mineralogist 87 (2002) 648-657
The high-temperature P2_1/c - C2/c phase transition in Fe-free pyroxene
(Ca.15Mg1.85Si2O6): Structural and thermodynamic behavior
Sample: dien2, T = 650 deg C
Locality: synthetic
_database_code_amcsd 0002803
CELL PARAMETERS: 9.7130 8.9130 5.2340 90.000 108.640 90.000
SPACE GROUP: P2_1/c
X-RAY WAVELENGTH: 1.541838
Cell Volume: 429.350
Density (g/cm3): 3.142
MAX. ABS. INTENSITY / VOLUME**2: 8.816348984
RIR: 0.914
RIR based on corundum from Acta Crystallographica A38 (1982) 733-739
2-THETA INTENSITY D-SPACING H K L Multiplicity
19.92 7.25 4.4565 0 2 0 2
20.49 4.60 4.3337 0 1 1 4
25.04 2.08 3.5566 1 1 1 4
26.56 1.73 3.3556 -1 2 1 4
26.90 37.08 3.3148 0 2 1 4
27.87 34.85 3.2013 2 2 0 4
29.66 100.00 3.0121 -2 2 1 4
30.55 1.28 2.9258 1 2 1 4
30.64 26.18 2.9175 -3 1 1 4
30.82 55.38 2.9008 3 1 0 4
31.65 1.57 2.8273 1 3 0 4
34.95 23.15 2.5671 -1 3 1 4
35.20 7.41 2.5496 -2 0 2 2
35.21 5.12 2.5487 0 3 1 4
36.23 39.03 2.4797 0 0 2 2
36.64 21.20 2.4526 2 2 1 4
37.42 5.89 2.4031 -2 3 1 4
40.49 7.71 2.2277 3 1 1 4
40.59 4.92 2.2225 1 0 2 2
41.68 1.17 2.1669 0 2 2 4
41.89 7.38 2.1565 1 1 2 4
42.21 25.79 2.1409 -3 3 1 4
42.35 1.84 2.1342 3 3 0 4
42.79 4.59 2.1134 -4 2 1 4
43.91 1.42 2.0620 -3 2 2 4
44.33 8.94 2.0435 -4 0 2 2
44.58 9.03 2.0325 0 4 1 4
45.21 2.96 2.0055 2 4 0 4
45.54 1.94 1.9918 -4 1 2 4
46.41 6.35 1.9564 -2 4 1 4
46.84 5.71 1.9394 2 0 2 2
48.77 1.43 1.8672 -4 3 1 4
50.64 5.23 1.8027 5 1 0 4
51.37 1.20 1.7786 -5 2 1 4
51.38 6.41 1.7783 2 2 2 4
51.48 3.03 1.7753 2 4 1 4
52.27 7.19 1.7501 1 5 0 4
53.08 1.65 1.7254 4 2 1 4
54.71 2.66 1.6778 -2 4 2 4
54.72 1.10 1.6775 0 5 1 4
55.00 2.10 1.6697 -3 1 3 4
55.44 2.97 1.6574 0 4 2 4
55.56 5.40 1.6541 3 1 2 4
56.67 20.53 1.6242 -5 3 1 4
56.70 17.53 1.6234 -2 2 3 4
57.58 1.89 1.6007 4 4 0 4
59.92 4.04 1.5438 -6 0 2 2
59.92 2.28 1.5438 -3 5 1 4
60.02 3.30 1.5413 3 5 0 4
60.34 3.66 1.5339 6 0 0 2
61.70 5.45 1.5035 -2 3 3 4
62.20 9.10 1.4924 -1 3 3 4
62.53 11.57 1.4855 0 6 0 2
63.32 2.87 1.4688 4 0 2 2
63.32 1.18 1.4687 -5 1 3 4
63.60 1.08 1.4629 2 4 2 4
63.80 1.98 1.4588 -6 2 2 4
64.36 2.15 1.4474 0 5 2 4
66.03 2.92 1.4149 -3 5 2 4
66.34 1.04 1.4091 3 5 1 4
67.48 22.81 1.3879 5 3 1 4
68.32 4.23 1.3729 -2 4 3 4
68.50 3.10 1.3697 1 3 3 4
69.38 1.96 1.3545 -7 0 2 2
69.56 1.09 1.3515 2 2 3 4
70.29 6.68 1.3391 -7 1 2 4
70.77 2.72 1.3312 -5 3 3 4
70.99 1.55 1.3277 0 4 3 4
72.53 1.87 1.3033 -3 0 4 2
72.70 1.83 1.3007 7 1 0 4
73.21 1.44 1.2928 -2 1 4 4
73.42 1.05 1.2896 -3 1 4 4
73.83 2.35 1.2835 -2 6 2 4
74.03 1.18 1.2805 5 5 0 4
74.07 2.16 1.2799 5 1 2 4
74.42 2.96 1.2748 -4 0 4 2
74.45 7.74 1.2743 0 6 2 4
75.76 1.77 1.2555 -7 3 1 4
76.89 1.02 1.2399 0 0 4 2
77.61 1.18 1.2302 -3 5 3 4
77.77 1.05 1.2280 0 1 4 4
78.08 5.37 1.2239 3 5 2 4
79.82 1.29 1.2016 -4 6 2 4
81.12 1.09 1.1855 3 3 3 4
================================================================================
XPOW Copyright 1993 Bob Downs, Ranjini Swaminathan and Kurt Bartelmehs
For reference, see Downs et al. (1993) American Mineralogist 78, 1104-1107.