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 = 250 min
_database_code_amcsd 0003992
CELL PARAMETERS: 9.7109 8.9437 5.2477 90.000 108.469 90.000
SPACE GROUP: P2_1/c
X-RAY WAVELENGTH: 1.541838
Cell Volume: 432.296
Density (g/cm3): 3.547
MAX. ABS. INTENSITY / VOLUME**2: 11.60042281
RIR: 1.065
RIR based on corundum from Acta Crystallographica A38 (1982) 733-739
2-THETA INTENSITY D-SPACING H K L Multiplicity
13.80 3.18 6.4165 1 1 0 4
19.27 10.76 4.6054 2 0 0 2
20.02 9.79 4.4354 -1 1 1 4
20.42 3.64 4.3492 0 1 1 4
26.49 1.68 3.3646 -1 2 1 4
26.80 15.43 3.3265 0 2 1 4
27.81 49.49 3.2082 2 2 0 4
29.61 100.00 3.0168 -2 2 1 4
30.64 38.68 2.9174 -3 1 1 4
30.79 47.04 2.9039 3 1 0 4
34.22 1.00 2.6207 -1 0 2 2
34.85 45.38 2.5747 -1 3 1 4
35.09 1.95 2.5576 0 3 1 4
36.09 49.41 2.4887 0 0 2 2
36.52 27.20 2.4606 2 2 1 4
37.34 4.66 2.4085 -2 3 1 4
38.02 3.18 2.3670 1 3 1 4
40.38 13.16 2.2338 3 1 1 4
40.43 3.69 2.2312 1 0 2 2
40.68 2.15 2.2177 -2 2 2 4
41.53 4.56 2.1746 0 2 2 4
41.72 8.35 2.1648 1 1 2 4
42.14 37.31 2.1442 -3 3 1 4
42.25 2.82 2.1388 3 3 0 4
42.77 7.83 2.1144 -4 2 1 4
43.85 1.86 2.0645 -3 2 2 4
44.24 3.31 2.0472 4 2 0 4
44.33 14.88 2.0434 -4 0 2 2
44.42 9.96 2.0396 0 4 1 4
45.07 4.62 2.0114 2 4 0 4
45.54 1.28 1.9921 -4 1 2 4
46.28 4.13 1.9615 -2 4 1 4
46.66 10.74 1.9467 2 0 2 2
48.71 1.64 1.8693 -4 3 1 4
49.99 3.05 1.8245 3 3 1 4
50.59 3.38 1.8043 5 1 0 4
51.14 1.73 1.7863 1 3 2 4
51.18 9.30 1.7849 2 2 2 4
51.29 2.08 1.7812 2 4 1 4
52.08 11.20 1.7559 1 5 0 4
52.94 3.00 1.7297 4 2 1 4
53.94 1.87 1.6998 -1 1 3 4
54.55 3.46 1.6823 -2 4 2 4
54.89 3.66 1.6725 -3 1 3 4
55.23 1.40 1.6632 0 4 2 4
55.35 4.75 1.6599 3 1 2 4
56.55 18.23 1.6276 -2 2 3 4
56.62 25.40 1.6255 -5 3 1 4
59.75 3.37 1.5476 -3 5 1 4
59.84 5.13 1.5456 3 5 0 4
59.95 6.56 1.5431 -6 0 2 2
60.29 5.90 1.5351 6 0 0 2
61.51 4.68 1.5075 -2 3 3 4
61.98 14.05 1.4972 -1 3 3 4
62.29 12.66 1.4906 0 6 0 2
62.86 2.31 1.4785 -3 3 3 4
62.91 1.20 1.4774 -1 5 2 4
63.10 5.22 1.4734 4 0 2 2
63.35 1.98 1.4682 2 4 2 4
63.81 3.04 1.4587 -6 2 2 4
64.11 1.68 1.4525 0 5 2 4
65.85 5.12 1.4182 -3 5 2 4
66.10 2.06 1.4136 3 5 1 4
67.06 1.84 1.3956 1 5 2 4
67.30 27.09 1.3912 5 3 1 4
68.10 3.24 1.3768 -2 4 3 4
68.21 4.95 1.3749 1 3 3 4
68.55 1.21 1.3688 -7 1 1 4
69.26 1.81 1.3566 2 2 3 4
69.42 1.85 1.3539 -7 0 2 2
70.33 6.50 1.3386 -7 1 2 4
70.69 4.60 1.3325 -5 3 3 4
70.70 1.35 1.3324 0 4 3 4
72.34 2.13 1.3063 -3 0 4 2
72.63 1.78 1.3018 7 1 0 4
73.16 1.18 1.2936 6 2 1 4
73.23 1.62 1.2925 -3 1 4 4
73.78 1.13 1.2843 3 1 3 4
73.82 1.65 1.2837 5 1 2 4
74.15 10.17 1.2788 0 6 2 4
74.28 4.19 1.2769 -4 0 4 2
75.62 1.18 1.2575 -2 2 4 4
76.06 1.17 1.2513 4 6 0 4
76.56 2.14 1.2444 0 0 4 2
77.38 1.49 1.2332 -3 5 3 4
77.76 6.93 1.2281 3 5 2 4
79.61 2.01 1.2043 -4 6 2 4
81.29 1.61 1.1835 2 6 2 4
82.20 1.08 1.1727 7 1 1 4
82.69 1.01 1.1671 -8 2 1 4
82.98 1.75 1.1637 -6 0 4 2
84.07 1.54 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.