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.35, annealed at T = 800 C for t = 1.5 min
_database_code_amcsd 0003972
CELL PARAMETERS: 9.7069 8.9427 5.2470 90.000 108.458 90.000
SPACE GROUP: P2_1/c
X-RAY WAVELENGTH: 1.541838
Cell Volume: 432.039
Density (g/cm3): 3.548
MAX. ABS. INTENSITY / VOLUME**2: 11.66841000
RIR: 1.071
RIR based on corundum from Acta Crystallographica A38 (1982) 733-739
2-THETA INTENSITY D-SPACING H K L Multiplicity
13.80 2.88 6.4150 1 1 0 4
19.28 10.58 4.6038 2 0 0 2
20.02 9.98 4.4345 -1 1 1 4
20.42 3.45 4.3489 0 1 1 4
26.50 1.57 3.3640 -1 2 1 4
26.80 15.45 3.3262 0 2 1 4
27.81 49.42 3.2075 2 2 0 4
29.62 100.00 3.0160 -2 2 1 4
30.66 39.05 2.9163 -3 1 1 4
30.80 46.27 2.9030 3 1 0 4
34.85 45.12 2.5744 -1 3 1 4
35.09 1.87 2.5573 0 3 1 4
36.09 49.23 2.4885 0 0 2 2
36.52 27.25 2.4603 2 2 1 4
37.34 4.44 2.4080 -2 3 1 4
38.02 3.12 2.3668 1 3 1 4
40.39 13.36 2.2334 3 1 1 4
40.43 3.53 2.2310 1 0 2 2
40.69 2.17 2.2173 -2 2 2 4
41.53 4.71 2.1745 0 2 2 4
41.73 8.36 2.1647 1 1 2 4
42.15 36.95 2.1437 -3 3 1 4
42.26 2.92 2.1383 3 3 0 4
42.78 7.81 2.1136 -4 2 1 4
43.87 1.78 2.0640 -3 2 2 4
44.26 3.36 2.0466 4 2 0 4
44.35 14.98 2.0427 -4 0 2 2
44.42 10.24 2.0394 0 4 1 4
45.08 4.62 2.0111 2 4 0 4
45.55 1.23 1.9914 -4 1 2 4
46.29 4.02 1.9612 -2 4 1 4
46.66 10.67 1.9465 2 0 2 2
48.73 1.56 1.8687 -4 3 1 4
50.00 3.03 1.8242 3 3 1 4
50.61 3.41 1.8037 5 1 0 4
51.14 1.81 1.7861 1 3 2 4
51.18 9.37 1.7847 2 2 2 4
51.30 2.01 1.7810 2 4 1 4
52.09 11.31 1.7557 1 5 0 4
52.95 2.98 1.7293 4 2 1 4
53.95 1.90 1.6996 -1 1 3 4
54.56 3.50 1.6820 -2 4 2 4
54.91 3.72 1.6722 -3 1 3 4
55.23 1.44 1.6631 0 4 2 4
55.36 4.67 1.6597 3 1 2 4
56.55 18.25 1.6273 -2 2 3 4
56.64 25.33 1.6250 -5 3 1 4
59.77 3.36 1.5473 -3 5 1 4
59.85 5.11 1.5453 3 5 0 4
59.97 6.55 1.5425 -6 0 2 2
60.31 5.89 1.5346 6 0 0 2
61.52 4.48 1.5073 -2 3 3 4
61.99 14.10 1.4970 -1 3 3 4
62.29 12.47 1.4905 0 6 0 2
62.87 2.34 1.4782 -3 3 3 4
62.91 1.19 1.4772 -1 5 2 4
63.11 5.28 1.4732 4 0 2 2
63.35 2.02 1.4681 2 4 2 4
63.83 3.11 1.4582 -6 2 2 4
64.12 1.62 1.4523 0 5 2 4
65.87 5.24 1.4180 -3 5 2 4
66.11 2.07 1.4134 3 5 1 4
67.07 1.85 1.3955 1 5 2 4
67.32 27.06 1.3909 5 3 1 4
68.11 3.17 1.3766 -2 4 3 4
68.22 4.89 1.3748 1 3 3 4
68.58 1.24 1.3683 -7 1 1 4
69.26 1.85 1.3565 2 2 3 4
69.45 1.78 1.3533 -7 0 2 2
70.36 6.52 1.3381 -7 1 2 4
70.71 1.37 1.3323 0 4 3 4
70.72 4.63 1.3322 -5 3 3 4
72.35 2.06 1.3060 -3 0 4 2
72.65 1.77 1.3014 7 1 0 4
73.18 1.20 1.2932 6 2 1 4
73.24 1.67 1.2923 -3 1 4 4
73.78 1.15 1.2842 3 1 3 4
73.83 1.68 1.2835 5 1 2 4
74.16 10.21 1.2787 0 6 2 4
74.29 4.23 1.2767 -4 0 4 2
75.63 1.23 1.2573 -2 2 4 4
76.08 1.18 1.2511 4 6 0 4
76.57 2.19 1.2443 0 0 4 2
77.40 1.47 1.2330 -3 5 3 4
77.77 7.00 1.2280 3 5 2 4
79.63 1.97 1.2040 -4 6 2 4
81.30 1.57 1.1834 2 6 2 4
82.23 1.10 1.1724 7 1 1 4
82.72 1.01 1.1666 -8 2 1 4
83.01 1.79 1.1633 -6 0 4 2
84.11 1.56 1.1509 8 0 0 2
89.68 1.45 1.0933 -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.