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 = 840 min
_database_code_amcsd 0003983
CELL PARAMETERS: 9.7083 8.9419 5.2481 90.000 108.496 90.000
SPACE GROUP: P2_1/c
X-RAY WAVELENGTH: 1.541838
Cell Volume: 432.058
Density (g/cm3): 3.548
MAX. ABS. INTENSITY / VOLUME**2: 11.47005520
RIR: 1.053
RIR based on corundum from Acta Crystallographica A38 (1982) 733-739
2-THETA INTENSITY D-SPACING H K L Multiplicity
13.81 2.55 6.4145 1 1 0 4
19.28 10.70 4.6034 2 0 0 2
20.02 11.18 4.4356 -1 1 1 4
20.42 3.68 4.3488 0 1 1 4
24.95 1.03 3.5687 1 1 1 4
26.49 1.64 3.3644 -1 2 1 4
26.80 16.10 3.3260 0 2 1 4
27.82 51.65 3.2072 2 2 0 4
29.61 100.00 3.0166 -2 2 1 4
30.65 40.77 2.9171 -3 1 1 4
30.80 46.33 2.9027 3 1 0 4
34.85 46.01 2.5744 -1 3 1 4
35.09 1.92 2.5571 0 3 1 4
36.09 49.95 2.4885 0 0 2 2
36.53 27.19 2.4598 2 2 1 4
37.34 4.57 2.4082 -2 3 1 4
38.03 3.15 2.3664 1 3 1 4
40.40 13.92 2.2328 3 1 1 4
40.44 3.64 2.2307 1 0 2 2
40.68 2.35 2.2178 -2 2 2 4
41.53 4.90 2.1744 0 2 2 4
41.73 8.23 2.1643 1 1 2 4
42.15 37.63 2.1439 -3 3 1 4
42.27 3.01 2.1382 3 3 0 4
42.78 7.72 2.1140 -4 2 1 4
43.85 1.91 2.0646 -3 2 2 4
44.26 3.54 2.0464 4 2 0 4
44.33 15.07 2.0435 -4 0 2 2
44.43 10.52 2.0392 0 4 1 4
45.08 4.97 2.0109 2 4 0 4
45.53 1.25 1.9922 -4 1 2 4
46.29 3.99 1.9613 -2 4 1 4
46.68 10.83 1.9460 2 0 2 2
48.72 1.63 1.8689 -4 3 1 4
50.01 3.07 1.8238 3 3 1 4
50.61 3.55 1.8035 5 1 0 4
51.15 1.82 1.7859 1 3 2 4
51.20 9.68 1.7843 2 2 2 4
51.31 1.98 1.7807 2 4 1 4
52.10 11.23 1.7556 1 5 0 4
52.96 2.94 1.7289 4 2 1 4
53.94 2.02 1.6998 -1 1 3 4
54.55 3.68 1.6822 -2 4 2 4
54.89 3.89 1.6727 -3 1 3 4
55.24 1.31 1.6630 0 4 2 4
55.37 4.66 1.6592 3 1 2 4
56.54 18.26 1.6276 -2 2 3 4
56.64 25.54 1.6251 -5 3 1 4
59.77 3.49 1.5473 -3 5 1 4
59.86 5.12 1.5452 3 5 0 4
59.95 6.65 1.5430 -6 0 2 2
60.32 5.96 1.5345 6 0 0 2
61.51 4.60 1.5076 -2 3 3 4
61.99 14.28 1.4971 -1 3 3 4
62.30 12.73 1.4903 0 6 0 2
62.85 2.32 1.4785 -3 3 3 4
62.92 1.18 1.4772 -1 5 2 4
63.13 5.27 1.4728 4 0 2 2
63.37 2.14 1.4678 2 4 2 4
63.81 3.18 1.4586 -6 2 2 4
64.12 1.65 1.4523 0 5 2 4
65.86 5.19 1.4181 -3 5 2 4
66.12 2.13 1.4132 3 5 1 4
67.08 1.83 1.3953 1 5 2 4
67.33 27.31 1.3906 5 3 1 4
68.10 3.19 1.3768 -2 4 3 4
68.23 4.96 1.3746 1 3 3 4
68.58 1.29 1.3684 -7 1 1 4
69.28 1.81 1.3563 2 2 3 4
69.43 1.84 1.3537 -7 0 2 2
70.34 6.47 1.3385 -7 1 2 4
70.69 4.64 1.3326 -5 3 3 4
70.71 1.41 1.3322 0 4 3 4
72.33 2.11 1.3064 -3 0 4 2
72.66 1.76 1.3013 7 1 0 4
73.20 1.16 1.2930 6 2 1 4
73.22 1.63 1.2927 -3 1 4 4
73.80 1.19 1.2839 3 1 3 4
73.86 1.71 1.2831 5 1 2 4
74.16 10.27 1.2786 0 6 2 4
74.26 4.26 1.2771 -4 0 4 2
75.62 1.24 1.2575 -2 2 4 4
76.09 1.17 1.2510 4 6 0 4
76.57 2.16 1.2443 0 0 4 2
77.38 1.52 1.2332 -3 5 3 4
77.79 6.95 1.2278 3 5 2 4
79.62 2.01 1.2041 -4 6 2 4
81.32 1.62 1.1832 2 6 2 4
82.25 1.14 1.1721 7 1 1 4
82.72 1.00 1.1667 -8 2 1 4
82.97 1.77 1.1638 -6 0 4 2
84.11 1.55 1.1509 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.