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 = 3120 min
_database_code_amcsd 0003985
CELL PARAMETERS: 9.7096 8.9413 5.2470 90.000 108.499 90.000
SPACE GROUP: P2_1/c
X-RAY WAVELENGTH: 1.541838
Cell Volume: 431.989
Density (g/cm3): 3.548
MAX. ABS. INTENSITY / VOLUME**2: 11.47554397
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 2.61 6.4146 1 1 0 4
19.28 10.76 4.6039 2 0 0 2
20.02 11.08 4.4350 -1 1 1 4
20.43 3.70 4.3479 0 1 1 4
26.50 1.64 3.3640 -1 2 1 4
26.81 16.13 3.3255 0 2 1 4
27.82 51.44 3.2073 2 2 0 4
29.61 100.00 3.0165 -2 2 1 4
30.65 40.62 2.9173 -3 1 1 4
30.80 46.50 2.9030 3 1 0 4
34.85 46.12 2.5742 -1 3 1 4
35.10 1.92 2.5569 0 3 1 4
36.10 49.76 2.4879 0 0 2 2
36.53 27.15 2.4596 2 2 1 4
37.34 4.59 2.4081 -2 3 1 4
38.03 3.15 2.3662 1 3 1 4
40.40 13.87 2.2327 3 1 1 4
40.45 3.64 2.2302 1 0 2 2
40.69 2.34 2.2175 -2 2 2 4
41.54 4.86 2.1740 0 2 2 4
41.74 8.26 2.1639 1 1 2 4
42.15 37.66 2.1439 -3 3 1 4
42.27 2.96 2.1382 3 3 0 4
42.77 7.73 2.1141 -4 2 1 4
43.85 1.91 2.0644 -3 2 2 4
44.26 3.53 2.0466 4 2 0 4
44.33 15.11 2.0435 -4 0 2 2
44.43 10.45 2.0390 0 4 1 4
45.09 4.96 2.0108 2 4 0 4
45.53 1.26 1.9922 -4 1 2 4
46.29 4.01 1.9612 -2 4 1 4
46.68 10.81 1.9458 2 0 2 2
48.72 1.63 1.8690 -4 3 1 4
50.01 3.05 1.8237 3 3 1 4
50.61 3.53 1.8037 5 1 0 4
51.15 1.81 1.7856 1 3 2 4
51.20 9.67 1.7841 2 2 2 4
51.31 2.01 1.7806 2 4 1 4
52.10 11.24 1.7555 1 5 0 4
52.96 2.93 1.7289 4 2 1 4
53.95 2.01 1.6994 -1 1 3 4
54.56 3.67 1.6820 -2 4 2 4
54.90 3.86 1.6725 -3 1 3 4
55.24 1.32 1.6628 0 4 2 4
55.38 4.68 1.6590 3 1 2 4
56.55 18.24 1.6273 -2 2 3 4
56.63 25.56 1.6253 -5 3 1 4
59.77 3.49 1.5473 -3 5 1 4
59.86 5.11 1.5451 3 5 0 4
59.95 6.65 1.5431 -6 0 2 2
60.31 5.93 1.5346 6 0 0 2
61.52 4.62 1.5073 -2 3 3 4
62.00 14.28 1.4969 -1 3 3 4
62.31 12.74 1.4902 0 6 0 2
62.86 2.31 1.4783 -3 3 3 4
62.92 1.17 1.4771 -1 5 2 4
63.13 5.30 1.4727 4 0 2 2
63.37 2.13 1.4676 2 4 2 4
63.81 3.17 1.4587 -6 2 2 4
64.13 1.66 1.4521 0 5 2 4
65.87 5.18 1.4180 -3 5 2 4
66.13 2.14 1.4131 3 5 1 4
67.09 1.83 1.3952 1 5 2 4
67.33 27.33 1.3907 5 3 1 4
68.11 3.20 1.3766 -2 4 3 4
68.24 4.97 1.3744 1 3 3 4
68.57 1.28 1.3686 -7 1 1 4
69.29 1.81 1.3561 2 2 3 4
69.42 1.85 1.3538 -7 0 2 2
70.33 6.49 1.3386 -7 1 2 4
70.70 4.64 1.3325 -5 3 3 4
70.73 1.40 1.3320 0 4 3 4
72.35 2.12 1.3061 -3 0 4 2
72.65 1.76 1.3014 7 1 0 4
73.20 1.17 1.2930 6 2 1 4
73.24 1.64 1.2924 -3 1 4 4
73.82 1.18 1.2837 3 1 3 4
73.86 1.71 1.2831 5 1 2 4
74.17 10.27 1.2784 0 6 2 4
74.28 4.25 1.2769 -4 0 4 2
75.64 1.24 1.2573 -2 2 4 4
76.09 1.18 1.2510 4 6 0 4
76.59 2.16 1.2440 0 0 4 2
77.39 1.52 1.2331 -3 5 3 4
77.80 6.95 1.2277 3 5 2 4
79.62 2.02 1.2041 -4 6 2 4
81.33 1.62 1.1831 2 6 2 4
82.24 1.13 1.1722 7 1 1 4
82.98 1.77 1.1637 -6 0 4 2
84.10 1.56 1.1510 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.