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: dien1 T = 1038 deg C
Locality: synthetic
_database_code_amcsd 0002799
CELL PARAMETERS: 9.7730 8.9620 5.2710 90.000 108.990 90.000
SPACE GROUP: P2_1/c
X-RAY WAVELENGTH: 1.541838
Cell Volume: 436.538
Density (g/cm3): 3.090
MAX. ABS. INTENSITY / VOLUME**2: 8.664877348
RIR: 0.913
RIR based on corundum from Acta Crystallographica A38 (1982) 733-739
2-THETA INTENSITY D-SPACING H K L Multiplicity
13.76 1.04 6.4335 1 1 0 4
19.81 7.39 4.4810 0 2 0 2
20.39 2.67 4.3558 0 1 1 4
24.96 2.40 3.5681 1 1 1 4
26.75 39.28 3.3323 0 2 1 4
27.73 34.05 3.2168 2 2 0 4
29.44 100.00 3.0340 -2 2 1 4
30.41 25.40 2.9398 -3 1 1 4
30.69 52.36 2.9131 3 1 0 4
31.47 2.13 2.8425 1 3 0 4
34.73 22.38 2.5829 -1 3 1 4
34.90 6.74 2.5705 -2 0 2 2
35.02 3.31 2.5623 0 3 1 4
36.04 37.02 2.4921 0 0 2 2
36.52 20.47 2.4607 2 2 1 4
37.17 3.56 2.4190 -2 3 1 4
40.39 7.18 2.2334 3 1 1 4
40.44 3.25 2.2306 1 0 2 2
41.46 1.43 2.1779 0 2 2 4
41.73 7.48 2.1645 1 1 2 4
41.92 22.64 2.1551 -3 3 1 4
42.14 1.79 2.1445 3 3 0 4
42.49 4.19 2.1277 -4 2 1 4
43.92 9.26 2.0614 -4 0 2 2
44.33 9.20 2.0435 0 4 1 4
44.97 2.43 2.0160 2 4 0 4
45.13 1.00 2.0089 -4 1 2 4
46.11 6.04 1.9686 -2 4 1 4
46.71 4.93 1.9448 2 0 2 2
49.39 1.29 1.8453 -3 3 2 4
50.41 4.86 1.8101 5 1 0 4
51.20 5.69 1.7841 2 2 2 4
51.24 2.72 1.7830 2 4 1 4
51.97 6.74 1.7596 1 5 0 4
52.91 1.51 1.7305 4 2 1 4
54.32 2.84 1.6890 -2 4 2 4
54.52 1.73 1.6832 -3 1 3 4
55.12 3.37 1.6661 0 4 2 4
55.41 4.68 1.6583 3 1 2 4
56.27 16.47 1.6348 -2 2 3 4
56.29 17.77 1.6343 -5 3 1 4
57.28 1.99 1.6084 4 4 0 4
59.40 3.11 1.5560 -6 0 2 2
59.52 2.09 1.5532 -3 5 1 4
59.69 2.30 1.5492 3 5 0 4
60.07 2.99 1.5402 6 0 0 2
61.23 2.74 1.5137 -2 3 3 4
61.79 7.44 1.5013 -1 3 3 4
62.15 8.91 1.4937 0 6 0 2
62.71 1.02 1.4816 -5 1 3 4
63.16 2.38 1.4722 4 0 2 2
63.26 1.96 1.4699 -6 2 2 4
63.98 1.24 1.4551 0 5 2 4
65.54 2.79 1.4244 -3 5 2 4
67.23 18.30 1.3925 5 3 1 4
67.81 3.64 1.3820 -2 4 3 4
68.17 2.43 1.3756 1 3 3 4
69.70 6.12 1.3491 -7 1 2 4
70.12 2.56 1.3421 -5 3 3 4
70.57 1.06 1.3345 0 4 3 4
72.35 1.57 1.3061 7 1 0 4
72.79 1.11 1.2993 -3 1 4 4
73.30 2.19 1.2915 -2 6 2 4
73.71 2.87 1.2853 -4 0 4 2
73.87 1.79 1.2830 5 1 2 4
73.99 6.69 1.2812 0 6 2 4
75.26 1.47 1.2627 -7 3 1 4
76.44 1.03 1.2460 0 0 4 2
77.73 4.36 1.2286 3 5 2 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.