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 = 1680 min
_database_code_amcsd 0003984
CELL PARAMETERS: 9.7050 8.9419 5.2454 90.000 108.485 90.000
SPACE GROUP: P2_1/c
X-RAY WAVELENGTH: 1.541838
Cell Volume: 431.716
Density (g/cm3): 3.552
MAX. ABS. INTENSITY / VOLUME**2: 11.51099130
RIR: 1.055
RIR based on corundum from Acta Crystallographica A38 (1982) 733-739
2-THETA INTENSITY D-SPACING H K L Multiplicity
13.81 2.55 6.4136 1 1 0 4
19.29 10.86 4.6021 2 0 0 2
20.03 11.15 4.4338 -1 1 1 4
20.43 3.66 4.3473 0 1 1 4
24.96 1.02 3.5677 1 1 1 4
26.50 1.63 3.3636 -1 2 1 4
26.81 16.02 3.3253 0 2 1 4
27.82 51.47 3.2068 2 2 0 4
29.62 100.00 3.0158 -2 2 1 4
30.66 40.62 2.9160 -3 1 1 4
30.81 46.29 2.9020 3 1 0 4
34.85 45.85 2.5741 -1 3 1 4
35.10 1.92 2.5568 0 3 1 4
36.11 49.79 2.4874 0 0 2 2
36.54 27.07 2.4593 2 2 1 4
37.35 4.59 2.4078 -2 3 1 4
38.03 3.17 2.3661 1 3 1 4
40.41 13.85 2.2322 3 1 1 4
40.45 3.61 2.2298 1 0 2 2
40.70 2.35 2.2169 -2 2 2 4
41.55 4.87 2.1736 0 2 2 4
41.75 8.20 2.1635 1 1 2 4
42.16 37.51 2.1435 -3 3 1 4
42.27 2.98 2.1379 3 3 0 4
42.79 7.73 2.1134 -4 2 1 4
43.87 1.90 2.0637 -3 2 2 4
44.27 3.54 2.0460 4 2 0 4
44.35 15.01 2.0425 -4 0 2 2
44.43 10.46 2.0391 0 4 1 4
45.09 4.96 2.0108 2 4 0 4
45.56 1.25 1.9912 -4 1 2 4
46.30 3.97 1.9610 -2 4 1 4
46.69 10.78 1.9454 2 0 2 2
48.74 1.62 1.8685 -4 3 1 4
50.02 3.05 1.8235 3 3 1 4
50.63 3.53 1.8030 5 1 0 4
51.16 1.83 1.7855 1 3 2 4
51.21 9.64 1.7838 2 2 2 4
51.31 1.97 1.7805 2 4 1 4
52.10 11.26 1.7555 1 5 0 4
52.97 2.93 1.7285 4 2 1 4
53.97 2.00 1.6990 -1 1 3 4
54.57 3.67 1.6818 -2 4 2 4
54.92 3.88 1.6719 -3 1 3 4
55.25 1.31 1.6627 0 4 2 4
55.39 4.67 1.6587 3 1 2 4
56.57 18.22 1.6269 -2 2 3 4
56.65 25.56 1.6247 -5 3 1 4
59.77 3.47 1.5472 -3 5 1 4
59.86 5.12 1.5451 3 5 0 4
59.98 6.61 1.5423 -6 0 2 2
60.34 5.90 1.5340 6 0 0 2
61.54 4.58 1.5070 -2 3 3 4
62.01 14.22 1.4966 -1 3 3 4
62.30 12.67 1.4903 0 6 0 2
62.88 2.33 1.4779 -3 3 3 4
62.93 1.18 1.4770 -1 5 2 4
63.15 5.28 1.4724 4 0 2 2
63.38 2.11 1.4675 2 4 2 4
63.84 3.17 1.4580 -6 2 2 4
64.14 1.64 1.4520 0 5 2 4
65.87 5.17 1.4179 -3 5 2 4
66.13 2.12 1.4130 3 5 1 4
67.09 1.84 1.3951 1 5 2 4
67.35 27.20 1.3904 5 3 1 4
68.13 3.17 1.3763 -2 4 3 4
68.25 4.95 1.3742 1 3 3 4
68.60 1.29 1.3680 -7 1 1 4
69.31 1.81 1.3558 2 2 3 4
69.46 1.84 1.3532 -7 0 2 2
70.37 6.44 1.3379 -7 1 2 4
70.72 4.64 1.3320 -5 3 3 4
70.74 1.40 1.3318 0 4 3 4
72.37 2.10 1.3057 -3 0 4 2
72.68 1.75 1.3009 7 1 0 4
73.22 1.17 1.2927 6 2 1 4
73.27 1.62 1.2920 -3 1 4 4
73.83 1.18 1.2835 3 1 3 4
73.88 1.70 1.2828 5 1 2 4
74.17 10.22 1.2784 0 6 2 4
74.31 4.24 1.2764 -4 0 4 2
75.66 1.24 1.2569 -2 2 4 4
76.09 1.18 1.2509 4 6 0 4
76.61 2.15 1.2437 0 0 4 2
77.41 1.51 1.2329 -3 5 3 4
77.81 6.95 1.2276 3 5 2 4
79.64 2.00 1.2039 -4 6 2 4
81.33 1.61 1.1831 2 6 2 4
82.28 1.13 1.1718 7 1 1 4
83.02 1.77 1.1632 -6 0 4 2
84.14 1.55 1.1505 8 0 0 2
89.69 1.43 1.0932 -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.