Pigeonite
Domeneghetti M C, Zema M, Tazzoli V
American Mineralogist 90 (2005) 1816-1823
Kinetics of Fe2+-Mg order-disorder in P2_1/c pigeonite
Locality: Parana, Brazil
Sample: N.13, annealed at T = 650 C for t = 240 min
_database_code_amcsd 0003981
CELL PARAMETERS: 9.7086 8.9421 5.2473 90.000 108.503 90.000
SPACE GROUP: P2_1/c
X-RAY WAVELENGTH: 1.541838
Cell Volume: 431.997
Density (g/cm3): 3.549
MAX. ABS. INTENSITY / VOLUME**2: 11.43969442
RIR: 1.050
RIR based on corundum from Acta Crystallographica A38 (1982) 733-739
2-THETA INTENSITY D-SPACING H K L Multiplicity
13.81 2.33 6.4145 1 1 0 4
19.28 10.78 4.6034 2 0 0 2
20.02 11.76 4.4352 -1 1 1 4
20.42 3.71 4.3482 0 1 1 4
24.95 1.17 3.5682 1 1 1 4
26.49 1.64 3.3643 -1 2 1 4
26.81 16.34 3.3258 0 2 1 4
27.82 52.38 3.2073 2 2 0 4
29.61 100.00 3.0166 -2 2 1 4
30.65 41.61 2.9172 -3 1 1 4
30.80 46.14 2.9027 3 1 0 4
34.85 46.22 2.5744 -1 3 1 4
35.09 1.93 2.5570 0 3 1 4
36.10 50.08 2.4880 0 0 2 2
36.53 27.14 2.4595 2 2 1 4
37.34 4.58 2.4083 -2 3 1 4
38.03 3.15 2.3663 1 3 1 4
40.40 14.28 2.2325 3 1 1 4
40.45 3.63 2.2302 1 0 2 2
40.69 2.46 2.2176 -2 2 2 4
41.54 5.07 2.1741 0 2 2 4
41.74 8.16 2.1639 1 1 2 4
42.15 37.79 2.1440 -3 3 1 4
42.27 3.04 2.1382 3 3 0 4
42.77 7.69 2.1141 -4 2 1 4
43.85 1.93 2.0645 -3 2 2 4
44.26 3.66 2.0464 4 2 0 4
44.33 15.19 2.0435 -4 0 2 2
44.43 10.69 2.0392 0 4 1 4
45.08 5.11 2.0109 2 4 0 4
45.53 1.25 1.9921 -4 1 2 4
46.29 3.92 1.9613 -2 4 1 4
46.68 10.88 1.9457 2 0 2 2
48.72 1.63 1.8690 -4 3 1 4
50.01 3.07 1.8237 3 3 1 4
50.61 3.63 1.8035 5 1 0 4
51.15 1.87 1.7857 1 3 2 4
51.20 9.81 1.7841 2 2 2 4
51.31 1.94 1.7807 2 4 1 4
52.10 11.26 1.7556 1 5 0 4
52.97 2.90 1.7288 4 2 1 4
53.95 2.08 1.6995 -1 1 3 4
54.56 3.77 1.6821 -2 4 2 4
54.89 4.00 1.6726 -3 1 3 4
55.24 1.28 1.6629 0 4 2 4
55.38 4.63 1.6590 3 1 2 4
56.55 18.30 1.6274 -2 2 3 4
56.63 25.69 1.6252 -5 3 1 4
59.76 3.51 1.5474 -3 5 1 4
59.86 5.14 1.5452 3 5 0 4
59.95 6.69 1.5430 -6 0 2 2
60.32 5.98 1.5345 6 0 0 2
61.52 4.62 1.5074 -2 3 3 4
61.99 14.38 1.4969 -1 3 3 4
62.30 12.77 1.4903 0 6 0 2
62.86 2.34 1.4784 -3 3 3 4
62.92 1.17 1.4772 -1 5 2 4
63.14 5.34 1.4726 4 0 2 2
63.37 2.20 1.4677 2 4 2 4
63.81 3.25 1.4586 -6 2 2 4
64.13 1.66 1.4522 0 5 2 4
65.86 5.22 1.4181 -3 5 2 4
66.12 2.17 1.4131 3 5 1 4
67.08 1.84 1.3952 1 5 2 4
67.34 27.48 1.3906 5 3 1 4
68.11 3.17 1.3767 -2 4 3 4
68.24 4.99 1.3744 1 3 3 4
68.57 1.33 1.3685 -7 1 1 4
69.29 1.82 1.3560 2 2 3 4
69.43 1.85 1.3538 -7 0 2 2
70.33 6.49 1.3385 -7 1 2 4
70.69 4.68 1.3326 -5 3 3 4
70.72 1.43 1.3321 0 4 3 4
72.34 2.13 1.3062 -3 0 4 2
72.66 1.75 1.3012 7 1 0 4
73.21 1.17 1.2929 6 2 1 4
73.23 1.63 1.2925 -3 1 4 4
73.82 1.22 1.2837 3 1 3 4
73.87 1.74 1.2830 5 1 2 4
74.17 10.32 1.2785 0 6 2 4
74.27 4.29 1.2770 -4 0 4 2
75.63 1.28 1.2573 -2 2 4 4
76.08 1.18 1.2510 4 6 0 4
76.59 2.19 1.2440 0 0 4 2
77.39 1.54 1.2331 -3 5 3 4
77.80 7.00 1.2277 3 5 2 4
79.62 2.02 1.2041 -4 6 2 4
81.30 1.01 1.1834 -5 2 4 4
81.32 1.62 1.1831 2 6 2 4
82.26 1.17 1.1721 7 1 1 4
82.97 1.79 1.1637 -6 0 4 2
84.11 1.57 1.1508 8 0 0 2
89.64 1.44 1.0937 -8 2 3 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.