Pigeonite
Camara F, Carpenter M A, Domeneghetti M C, Tazzoli V
Physics and Chemistry of Minerals 29 (2002) 331-340
Non-convergent ordering and displacive phase transition in pigeonite:
in situ HT XRD study
Sample: hgj, T = 950 C
Locality: from rhyodacite, Parana, Brazil
_database_code_amcsd 0008641
CELL PARAMETERS: 9.8490 9.0180 5.3230 90.000 109.440 90.000
SPACE GROUP: C2/c
X-RAY WAVELENGTH: 1.541838
Cell Volume: 445.827
Density (g/cm3): 3.440
MAX. ABS. INTENSITY / VOLUME**2: 12.07316804
RIR: 1.143
RIR based on corundum from Acta Crystallographica A38 (1982) 733-739
2-THETA INTENSITY D-SPACING H K L Multiplicity
13.69 5.47 6.4699 1 1 0 4
19.11 7.61 4.6438 2 0 0 2
19.71 6.49 4.5037 -1 1 1 4
26.57 16.05 3.3544 0 2 1 4
27.57 41.77 3.2349 2 2 0 4
29.17 100.00 3.0615 -2 2 1 4
30.11 31.99 2.9684 -3 1 1 4
30.53 42.58 2.9281 3 1 0 4
34.46 38.10 2.6023 -1 3 1 4
35.78 42.62 2.5098 0 0 2 2
36.36 23.14 2.4708 2 2 1 4
37.77 3.74 2.3821 1 3 1 4
40.04 1.09 2.2519 -2 2 2 4
40.25 9.71 2.2408 3 1 1 4
41.16 4.43 2.1929 0 2 2 4
41.50 8.53 2.1760 1 1 2 4
41.57 28.68 2.1726 -3 3 1 4
41.89 2.29 2.1566 3 3 0 4
42.12 6.49 2.1454 -4 2 1 4
43.40 14.40 2.0850 -4 0 2 2
43.86 2.03 2.0643 4 2 0 4
44.03 9.41 2.0566 0 4 1 4
44.68 2.56 2.0281 2 4 0 4
45.75 4.78 1.9832 -2 4 1 4
46.51 7.73 1.9528 2 0 2 2
48.89 1.04 1.8631 -3 3 2 4
49.73 1.86 1.8333 3 3 1 4
50.14 2.81 1.8193 5 1 0 4
50.80 1.44 1.7973 1 3 2 4
50.96 1.70 1.7921 2 4 1 4
50.96 6.89 1.7919 2 2 2 4
51.62 9.52 1.7705 1 5 0 4
52.70 2.57 1.7369 4 2 1 4
53.28 1.34 1.7194 -1 1 3 4
53.83 3.25 1.7031 -2 4 2 4
53.88 2.20 1.7017 -3 1 3 4
54.73 2.32 1.6772 0 4 2 4
55.19 4.07 1.6642 3 1 2 4
55.69 15.70 1.6505 -2 2 3 4
55.83 19.97 1.6467 -5 3 1 4
56.93 1.15 1.6175 4 4 0 4
58.74 4.40 1.5718 -6 0 2 2
59.05 3.17 1.5644 -3 5 1 4
59.30 2.97 1.5584 3 5 0 4
59.74 3.95 1.5479 6 0 0 2
61.25 10.05 1.5134 -1 3 3 4
61.72 7.91 1.5030 0 6 0 2
61.80 2.97 1.5012 -3 3 3 4
62.59 2.78 1.4842 -6 2 2 4
62.93 3.42 1.4769 4 0 2 2
62.97 1.07 1.4760 2 4 2 4
64.93 4.57 1.4362 -3 5 2 4
65.64 1.68 1.4224 3 5 1 4
66.93 17.51 1.3981 5 3 1 4
67.15 2.39 1.3939 -2 4 3 4
67.72 3.03 1.3837 1 3 3 4
68.90 1.42 1.3628 2 2 3 4
68.96 5.60 1.3618 -7 1 2 4
69.27 3.61 1.3564 -5 3 3 4
71.93 1.80 1.3127 -3 1 4 4
71.93 1.56 1.3127 7 1 0 4
72.67 1.02 1.3011 -2 6 2 4
72.77 4.20 1.2996 -4 0 4 2
73.43 8.08 1.2895 0 6 2 4
73.59 1.12 1.2871 5 1 2 4
74.49 1.45 1.2737 -2 2 4 4
75.81 1.82 1.2549 0 0 4 2
77.29 4.97 1.2345 3 5 2 4
78.44 1.26 1.2192 -4 6 2 4
81.00 1.43 1.1870 -6 0 4 2
89.53 1.33 1.0948 -7 -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.