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: hgg, T = 750 C
_database_code_amcsd 0008639
Locality: from rhyodacite, Parana, Brazil
CELL PARAMETERS: 9.8240 9.0170 5.3090 90.000 109.190 90.000
SPACE GROUP: P2_1/c
X-RAY WAVELENGTH: 1.541838
Cell Volume: 444.155
Density (g/cm3): 3.457
MAX. ABS. INTENSITY / VOLUME**2: 11.73807697
RIR: 1.106
RIR based on corundum from Acta Crystallographica A38 (1982) 733-739
2-THETA INTENSITY D-SPACING H K L Multiplicity
13.69 4.29 6.4663 1 1 0 4
19.13 8.35 4.6391 2 0 0 2
19.76 8.39 4.4919 -1 1 1 4
26.59 17.32 3.3525 0 2 1 4
27.59 45.86 3.2332 2 2 0 4
29.24 100.00 3.0546 -2 2 1 4
30.21 35.49 2.9587 -3 1 1 4
30.56 43.56 2.9254 3 1 0 4
34.50 42.00 2.5998 -1 3 1 4
35.82 44.14 2.5070 0 0 2 2
36.35 24.31 2.4716 2 2 1 4
37.76 3.68 2.3822 1 3 1 4
40.15 1.52 2.2459 -2 2 2 4
40.23 10.96 2.2416 3 1 1 4
41.20 4.85 2.1910 0 2 2 4
41.51 8.55 2.1755 1 1 2 4
41.65 30.93 2.1687 -3 3 1 4
41.91 2.51 2.1554 3 3 0 4
42.23 6.81 2.1402 -4 2 1 4
43.59 15.17 2.0765 -4 0 2 2
43.90 2.41 2.0626 4 2 0 4
44.04 9.84 2.0560 0 4 1 4
44.69 3.29 2.0275 2 4 0 4
45.80 4.49 1.9812 -2 4 1 4
46.49 8.52 1.9533 2 0 2 2
49.72 2.08 1.8337 3 3 1 4
50.19 3.02 1.8175 5 1 0 4
50.81 1.58 1.7970 1 3 2 4
50.95 1.96 1.7923 2 4 1 4
50.95 7.50 1.7923 2 2 2 4
51.63 10.04 1.7703 1 5 0 4
52.69 2.62 1.7372 4 2 1 4
53.38 1.57 1.7162 -1 1 3 4
53.92 3.48 1.7005 -2 4 2 4
54.07 2.62 1.6960 -3 1 3 4
54.76 2.10 1.6763 0 4 2 4
55.17 4.06 1.6649 3 1 2 4
55.84 16.45 1.6465 -2 2 3 4
55.95 21.17 1.6435 -5 3 1 4
56.96 1.00 1.6166 4 4 0 4
58.98 4.91 1.5661 -6 0 2 2
59.11 3.32 1.5629 -3 5 1 4
59.32 3.30 1.5579 3 5 0 4
59.81 4.37 1.5464 6 0 0 2
61.35 11.04 1.5112 -1 3 3 4
61.72 8.98 1.5028 0 6 0 2
61.98 2.86 1.4973 -3 3 3 4
62.81 2.92 1.4794 -6 2 2 4
62.90 3.87 1.4776 4 0 2 2
62.96 1.40 1.4762 2 4 2 4
65.04 4.77 1.4339 -3 5 2 4
65.63 1.84 1.4225 3 5 1 4
66.55 1.07 1.4052 1 5 2 4
66.92 19.61 1.3982 5 3 1 4
67.29 2.62 1.3915 -2 4 3 4
67.75 3.43 1.3832 1 3 3 4
68.90 1.50 1.3628 2 2 3 4
69.22 5.91 1.3573 -7 1 2 4
69.53 4.01 1.3519 -5 3 3 4
72.01 1.64 1.3114 7 1 0 4
72.17 1.96 1.3089 -3 1 4 4
73.06 4.20 1.2951 -4 0 4 2
73.47 8.79 1.2890 0 6 2 4
73.56 1.23 1.2876 5 1 2 4
74.68 1.49 1.2710 -2 2 4 4
75.36 1.09 1.2612 4 6 0 4
75.91 2.01 1.2535 0 0 4 2
77.27 5.45 1.2347 3 5 2 4
78.58 1.43 1.2174 -4 6 2 4
81.40 1.56 1.1822 -6 0 4 2
87.97 1.06 1.1101 -8 2 3 4
89.77 1.47 1.0924 -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.