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 = 360 min
_database_code_amcsd 0003982
CELL PARAMETERS: 9.7074 8.9415 5.2468 90.000 108.485 90.000
SPACE GROUP: P2_1/c
X-RAY WAVELENGTH: 1.541838
Cell Volume: 431.919
Density (g/cm3): 3.549
MAX. ABS. INTENSITY / VOLUME**2: 11.47108233
RIR: 1.052
RIR based on corundum from Acta Crystallographica A38 (1982) 733-739
2-THETA INTENSITY D-SPACING H K L Multiplicity
13.81 2.39 6.4143 1 1 0 4
19.28 10.76 4.6033 2 0 0 2
20.02 11.52 4.4346 -1 1 1 4
20.43 3.66 4.3481 0 1 1 4
24.95 1.11 3.5684 1 1 1 4
26.50 1.63 3.3639 -1 2 1 4
26.81 16.22 3.3257 0 2 1 4
27.82 51.98 3.2071 2 2 0 4
29.62 100.00 3.0161 -2 2 1 4
30.65 41.25 2.9167 -3 1 1 4
30.80 46.12 2.9027 3 1 0 4
34.85 46.04 2.5742 -1 3 1 4
35.10 1.91 2.5569 0 3 1 4
36.10 49.94 2.4880 0 0 2 2
36.53 27.17 2.4597 2 2 1 4
37.34 4.55 2.4080 -2 3 1 4
38.03 3.14 2.3663 1 3 1 4
40.40 14.14 2.2327 3 1 1 4
40.44 3.61 2.2304 1 0 2 2
40.69 2.42 2.2173 -2 2 2 4
41.54 5.02 2.1741 0 2 2 4
41.74 8.17 2.1641 1 1 2 4
42.15 37.59 2.1437 -3 3 1 4
42.27 3.03 2.1381 3 3 0 4
42.78 7.72 2.1137 -4 2 1 4
43.86 1.90 2.0641 -3 2 2 4
44.26 3.61 2.0464 4 2 0 4
44.34 15.14 2.0430 -4 0 2 2
44.43 10.63 2.0391 0 4 1 4
45.09 5.03 2.0108 2 4 0 4
45.54 1.24 1.9917 -4 1 2 4
46.30 3.91 1.9611 -2 4 1 4
46.68 10.85 1.9459 2 0 2 2
48.73 1.62 1.8687 -4 3 1 4
50.01 3.06 1.8237 3 3 1 4
50.61 3.60 1.8035 5 1 0 4
51.15 1.87 1.7857 1 3 2 4
51.20 9.73 1.7842 2 2 2 4
51.31 1.95 1.7807 2 4 1 4
52.10 11.27 1.7555 1 5 0 4
52.96 2.91 1.7289 4 2 1 4
53.95 2.05 1.6994 -1 1 3 4
54.56 3.73 1.6819 -2 4 2 4
54.90 3.95 1.6723 -3 1 3 4
55.24 1.30 1.6628 0 4 2 4
55.38 4.62 1.6591 3 1 2 4
56.56 18.26 1.6273 -2 2 3 4
56.64 25.59 1.6250 -5 3 1 4
59.77 3.49 1.5472 -3 5 1 4
59.86 5.11 1.5451 3 5 0 4
59.96 6.65 1.5427 -6 0 2 2
60.32 5.95 1.5344 6 0 0 2
61.52 4.59 1.5072 -2 3 3 4
62.00 14.29 1.4969 -1 3 3 4
62.30 12.68 1.4902 0 6 0 2
62.87 2.34 1.4782 -3 3 3 4
62.92 1.17 1.4771 -1 5 2 4
63.13 5.32 1.4728 4 0 2 2
63.37 2.17 1.4677 2 4 2 4
63.83 3.22 1.4583 -6 2 2 4
64.13 1.64 1.4521 0 5 2 4
65.87 5.21 1.4180 -3 5 2 4
66.12 2.15 1.4131 3 5 1 4
67.08 1.84 1.3952 1 5 2 4
67.33 27.34 1.3906 5 3 1 4
68.12 3.15 1.3766 -2 4 3 4
68.24 4.96 1.3744 1 3 3 4
68.58 1.32 1.3683 -7 1 1 4
69.29 1.82 1.3561 2 2 3 4
69.44 1.84 1.3535 -7 0 2 2
70.35 6.47 1.3383 -7 1 2 4
70.71 4.66 1.3323 -5 3 3 4
70.73 1.42 1.3320 0 4 3 4
72.35 2.11 1.3060 -3 0 4 2
72.66 1.74 1.3012 7 1 0 4
73.20 1.17 1.2929 6 2 1 4
73.24 1.63 1.2923 -3 1 4 4
73.81 1.21 1.2838 3 1 3 4
73.86 1.72 1.2831 5 1 2 4
74.17 10.27 1.2785 0 6 2 4
74.29 4.27 1.2767 -4 0 4 2
75.64 1.27 1.2572 -2 2 4 4
76.09 1.18 1.2509 4 6 0 4
76.59 2.18 1.2440 0 0 4 2
77.40 1.52 1.2330 -3 5 3 4
77.80 6.98 1.2277 3 5 2 4
79.63 2.00 1.2040 -4 6 2 4
81.32 1.60 1.1831 2 6 2 4
82.25 1.15 1.1721 7 1 1 4
82.99 1.79 1.1635 -6 0 4 2
84.12 1.56 1.1508 8 0 0 2
89.66 1.43 1.0935 -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.