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 = 750 C for t = 100 min
_database_code_amcsd 0003991
CELL PARAMETERS: 9.7103 8.9444 5.2490 90.000 108.468 90.000
SPACE GROUP: P2_1/c
X-RAY WAVELENGTH: 1.541838
Cell Volume: 432.412
Density (g/cm3): 3.547
MAX. ABS. INTENSITY / VOLUME**2: 11.63189178
RIR: 1.068
RIR based on corundum from Acta Crystallographica A38 (1982) 733-739
2-THETA INTENSITY D-SPACING H K L Multiplicity
13.80 3.09 6.4166 1 1 0 4
19.27 10.57 4.6051 2 0 0 2
20.02 9.89 4.4361 -1 1 1 4
20.42 3.62 4.3502 0 1 1 4
26.49 1.65 3.3650 -1 2 1 4
26.80 15.30 3.3270 0 2 1 4
27.81 49.40 3.2083 2 2 0 4
29.61 100.00 3.0170 -2 2 1 4
30.64 38.72 2.9174 -3 1 1 4
30.79 46.79 2.9038 3 1 0 4
34.21 1.00 2.6214 -1 0 2 2
34.84 45.21 2.5750 -1 3 1 4
35.08 1.93 2.5579 0 3 1 4
36.08 49.32 2.4893 0 0 2 2
36.51 27.16 2.4609 2 2 1 4
37.33 4.64 2.4087 -2 3 1 4
38.01 3.18 2.3673 1 3 1 4
40.38 13.23 2.2339 3 1 1 4
40.42 3.66 2.2316 1 0 2 2
40.68 2.14 2.2181 -2 2 2 4
41.52 4.59 2.1751 0 2 2 4
41.71 8.30 2.1653 1 1 2 4
42.14 37.16 2.1443 -3 3 1 4
42.25 2.86 2.1389 3 3 0 4
42.77 7.80 2.1143 -4 2 1 4
43.85 1.87 2.0647 -3 2 2 4
44.24 3.32 2.0472 4 2 0 4
44.33 14.87 2.0436 -4 0 2 2
44.41 10.01 2.0398 0 4 1 4
45.07 4.58 2.0115 2 4 0 4
45.53 1.29 1.9922 -4 1 2 4
46.28 4.08 1.9617 -2 4 1 4
46.65 10.72 1.9470 2 0 2 2
48.71 1.62 1.8693 -4 3 1 4
49.99 3.08 1.8246 3 3 1 4
50.59 3.39 1.8042 5 1 0 4
51.13 1.75 1.7866 1 3 2 4
51.17 9.28 1.7852 2 2 2 4
51.29 2.04 1.7814 2 4 1 4
52.08 11.24 1.7561 1 5 0 4
52.93 3.01 1.7297 4 2 1 4
53.93 1.87 1.7002 -1 1 3 4
54.54 3.46 1.6825 -2 4 2 4
54.88 3.65 1.6729 -3 1 3 4
55.22 1.41 1.6635 0 4 2 4
55.34 4.71 1.6601 3 1 2 4
56.53 18.16 1.6279 -2 2 3 4
56.62 25.23 1.6255 -5 3 1 4
59.75 3.35 1.5477 -3 5 1 4
59.84 5.10 1.5456 3 5 0 4
59.95 6.53 1.5431 -6 0 2 2
60.29 5.94 1.5350 6 0 0 2
61.50 4.67 1.5078 -2 3 3 4
61.97 14.01 1.4975 -1 3 3 4
62.28 12.55 1.4907 0 6 0 2
62.85 2.30 1.4787 -3 3 3 4
62.90 1.20 1.4776 -1 5 2 4
63.09 5.19 1.4736 4 0 2 2
63.34 1.98 1.4684 2 4 2 4
63.81 3.05 1.4587 -6 2 2 4
64.10 1.68 1.4527 0 5 2 4
65.85 5.15 1.4184 -3 5 2 4
66.09 2.05 1.4137 3 5 1 4
67.05 1.84 1.3958 1 5 2 4
67.30 26.98 1.3913 5 3 1 4
68.09 3.20 1.3771 -2 4 3 4
68.20 4.92 1.3751 1 3 3 4
68.56 1.20 1.3688 -7 1 1 4
69.24 1.81 1.3569 2 2 3 4
69.42 1.85 1.3539 -7 0 2 2
70.33 6.45 1.3386 -7 1 2 4
70.69 4.57 1.3327 -5 3 3 4
70.69 1.36 1.3326 0 4 3 4
72.32 2.12 1.3066 -3 0 4 2
72.63 1.77 1.3017 7 1 0 4
73.16 1.18 1.2936 6 2 1 4
73.21 1.61 1.2928 -3 1 4 4
73.76 1.13 1.2846 3 1 3 4
73.81 1.64 1.2838 5 1 2 4
74.14 10.14 1.2789 0 6 2 4
74.26 4.18 1.2772 -4 0 4 2
75.60 1.18 1.2578 -2 2 4 4
76.06 1.17 1.2514 4 6 0 4
76.54 2.12 1.2447 0 0 4 2
77.37 1.48 1.2334 -3 5 3 4
77.75 6.93 1.2283 3 5 2 4
79.60 2.00 1.2043 -4 6 2 4
81.28 1.60 1.1836 2 6 2 4
82.20 1.07 1.1727 7 1 1 4
82.69 1.01 1.1670 -8 2 1 4
82.97 1.73 1.1638 -6 0 4 2
84.08 1.53 1.1513 8 0 0 2
89.64 1.43 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.