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 = 80 min
_database_code_amcsd 0003979
CELL PARAMETERS: 9.7096 8.9413 5.2473 90.000 108.515 90.000
SPACE GROUP: P2_1/c
X-RAY WAVELENGTH: 1.541838
Cell Volume: 431.973
Density (g/cm3): 3.550
MAX. ABS. INTENSITY / VOLUME**2: 11.44735983
RIR: 1.050
RIR based on corundum from Acta Crystallographica A38 (1982) 733-739
2-THETA INTENSITY D-SPACING H K L Multiplicity
13.81 2.19 6.4143 1 1 0 4
19.28 10.89 4.6035 2 0 0 2
20.02 12.12 4.4353 -1 1 1 4
20.43 3.51 4.3478 0 1 1 4
24.96 1.25 3.5678 1 1 1 4
26.49 1.56 3.3642 -1 2 1 4
26.81 16.34 3.3255 0 2 1 4
27.82 52.66 3.2072 2 2 0 4
29.61 100.00 3.0167 -2 2 1 4
30.64 42.11 2.9176 -3 1 1 4
30.80 45.67 2.9028 3 1 0 4
34.85 46.35 2.5743 -1 3 1 4
35.10 1.86 2.5568 0 3 1 4
36.10 50.20 2.4879 0 0 2 2
36.54 27.16 2.4593 2 2 1 4
37.34 4.28 2.4082 -2 3 1 4
38.03 3.15 2.3661 1 3 1 4
40.40 14.40 2.2324 3 1 1 4
40.45 3.41 2.2300 1 0 2 2
40.68 2.55 2.2177 -2 2 2 4
41.54 5.15 2.1739 0 2 2 4
41.75 8.12 2.1637 1 1 2 4
42.15 37.73 2.1440 -3 3 1 4
42.27 3.10 2.1381 3 3 0 4
42.77 7.69 2.1142 -4 2 1 4
43.85 1.85 2.0646 -3 2 2 4
44.26 3.71 2.0464 4 2 0 4
44.32 15.32 2.0438 -4 0 2 2
44.43 10.88 2.0390 0 4 1 4
45.09 5.17 2.0108 2 4 0 4
45.53 1.20 1.9924 -4 1 2 4
46.29 3.87 1.9612 -2 4 1 4
46.69 10.90 1.9455 2 0 2 2
48.72 1.54 1.8690 -4 3 1 4
50.02 3.06 1.8235 3 3 1 4
50.61 3.64 1.8036 5 1 0 4
51.16 1.89 1.7855 1 3 2 4
51.21 9.85 1.7839 2 2 2 4
51.31 1.89 1.7805 2 4 1 4
52.10 11.27 1.7555 1 5 0 4
52.97 2.89 1.7287 4 2 1 4
53.95 2.12 1.6995 -1 1 3 4
54.56 3.81 1.6821 -2 4 2 4
54.89 4.07 1.6726 -3 1 3 4
55.24 1.27 1.6627 0 4 2 4
55.39 4.60 1.6588 3 1 2 4
56.55 18.36 1.6274 -2 2 3 4
56.63 25.68 1.6253 -5 3 1 4
59.77 3.53 1.5473 -3 5 1 4
59.86 5.13 1.5451 3 5 0 4
59.94 6.74 1.5432 -6 0 2 2
60.32 5.94 1.5345 6 0 0 2
61.52 4.27 1.5074 -2 3 3 4
62.00 14.49 1.4969 -1 3 3 4
62.31 12.69 1.4902 0 6 0 2
62.86 2.37 1.4784 -3 3 3 4
62.92 1.17 1.4771 -1 5 2 4
63.14 5.33 1.4725 4 0 2 2
63.38 2.24 1.4675 2 4 2 4
63.80 3.28 1.4588 -6 2 2 4
64.13 1.54 1.4521 0 5 2 4
65.86 5.27 1.4181 -3 5 2 4
66.13 2.17 1.4130 3 5 1 4
67.09 1.85 1.3951 1 5 2 4
67.34 27.34 1.3905 5 3 1 4
68.11 3.15 1.3766 -2 4 3 4
68.25 4.97 1.3743 1 3 3 4
68.57 1.35 1.3686 -7 1 1 4
69.30 1.83 1.3559 2 2 3 4
69.42 1.73 1.3539 -7 0 2 2
70.32 6.49 1.3387 -7 1 2 4
70.69 4.72 1.3327 -5 3 3 4
70.73 1.43 1.3320 0 4 3 4
72.34 2.00 1.3062 -3 0 4 2
72.66 1.74 1.3013 7 1 0 4
73.21 1.17 1.2928 6 2 1 4
73.23 1.67 1.2925 -3 1 4 4
73.83 1.23 1.2836 3 1 3 4
73.87 1.74 1.2829 5 1 2 4
74.17 10.32 1.2784 0 6 2 4
74.27 4.35 1.2770 -4 0 4 2
75.64 1.31 1.2573 -2 2 4 4
76.09 1.17 1.2509 4 6 0 4
76.60 2.22 1.2439 0 0 4 2
77.39 1.53 1.2331 -3 5 3 4
77.81 6.98 1.2275 3 5 2 4
79.62 2.00 1.2041 -4 6 2 4
81.33 1.61 1.1830 2 6 2 4
82.26 1.17 1.1720 7 1 1 4
82.96 1.83 1.1639 -6 0 4 2
84.11 1.56 1.1509 8 0 0 2
89.63 1.45 1.0938 -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.