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.35, annealed at T = 800 C for t = 18 min
_database_code_amcsd 0003976
CELL PARAMETERS: 9.7134 8.9482 5.2485 90.000 108.463 90.000
SPACE GROUP: P2_1/c
X-RAY WAVELENGTH: 1.541838
Cell Volume: 432.706
Density (g/cm3): 3.544
MAX. ABS. INTENSITY / VOLUME**2: 11.68181190
RIR: 1.073
RIR based on corundum from Acta Crystallographica A38 (1982) 733-739
2-THETA INTENSITY D-SPACING H K L Multiplicity
13.80 3.41 6.4191 1 1 0 4
19.27 10.52 4.6067 2 0 0 2
20.01 9.25 4.4364 -1 1 1 4
20.41 3.49 4.3504 0 1 1 4
26.48 1.63 3.3657 -1 2 1 4
26.79 15.06 3.3277 0 2 1 4
27.80 48.36 3.2095 2 2 0 4
29.60 100.00 3.0177 -2 2 1 4
30.64 37.81 2.9181 -3 1 1 4
30.78 46.91 2.9048 3 1 0 4
34.83 45.06 2.5758 -1 3 1 4
35.07 1.91 2.5586 0 3 1 4
36.08 49.09 2.4892 0 0 2 2
36.50 27.29 2.4615 2 2 1 4
37.32 4.51 2.4094 -2 3 1 4
38.00 3.14 2.3680 1 3 1 4
40.37 12.84 2.2345 3 1 1 4
40.42 3.58 2.2316 1 0 2 2
40.67 2.06 2.2182 -2 2 2 4
41.52 4.40 2.1752 0 2 2 4
41.71 8.40 2.1653 1 1 2 4
42.13 37.00 2.1450 -3 3 1 4
42.24 2.79 2.1397 3 3 0 4
42.75 7.85 2.1150 -4 2 1 4
43.84 1.79 2.0650 -3 2 2 4
44.23 3.18 2.0479 4 2 0 4
44.32 14.85 2.0438 -4 0 2 2
44.40 9.83 2.0405 0 4 1 4
45.05 4.43 2.0123 2 4 0 4
45.53 1.27 1.9925 -4 1 2 4
46.26 4.15 1.9624 -2 4 1 4
46.65 10.64 1.9472 2 0 2 2
48.70 1.59 1.8699 -4 3 1 4
49.97 3.05 1.8251 3 3 1 4
50.57 3.31 1.8048 5 1 0 4
51.12 1.70 1.7869 1 3 2 4
51.16 9.10 1.7854 2 2 2 4
51.27 2.10 1.7820 2 4 1 4
52.06 11.20 1.7568 1 5 0 4
52.92 3.02 1.7303 4 2 1 4
53.93 1.80 1.7001 -1 1 3 4
54.53 3.36 1.6829 -2 4 2 4
54.89 3.56 1.6728 -3 1 3 4
55.20 1.46 1.6639 0 4 2 4
55.33 4.73 1.6603 3 1 2 4
56.53 18.21 1.6279 -2 2 3 4
56.60 25.12 1.6260 -5 3 1 4
59.73 3.30 1.5483 -3 5 1 4
59.81 5.11 1.5463 3 5 0 4
59.93 6.53 1.5434 -6 0 2 2
60.27 5.88 1.5356 6 0 0 2
61.50 4.52 1.5079 -2 3 3 4
61.97 13.97 1.4976 -1 3 3 4
62.25 12.52 1.4914 0 6 0 2
62.84 2.29 1.4788 -3 3 3 4
62.88 1.20 1.4780 -1 5 2 4
63.08 5.16 1.4739 4 0 2 2
63.32 1.93 1.4687 2 4 2 4
63.79 2.99 1.4591 -6 2 2 4
64.08 1.63 1.4531 0 5 2 4
65.83 5.13 1.4188 -3 5 2 4
66.07 2.01 1.4142 3 5 1 4
67.03 1.85 1.3962 1 5 2 4
67.28 26.84 1.3917 5 3 1 4
68.08 3.23 1.3772 -2 4 3 4
68.19 4.89 1.3752 1 3 3 4
68.53 1.18 1.3692 -7 1 1 4
69.24 1.82 1.3570 2 2 3 4
69.40 1.79 1.3542 -7 0 2 2
70.31 6.48 1.3389 -7 1 2 4
70.68 4.58 1.3328 -5 3 3 4
70.68 1.33 1.3328 0 4 3 4
72.33 2.06 1.3064 -3 0 4 2
72.60 1.80 1.3022 7 1 0 4
73.14 1.19 1.2940 6 2 1 4
73.22 1.63 1.2927 -3 1 4 4
73.75 1.09 1.2847 3 1 3 4
73.79 1.62 1.2841 5 1 2 4
74.11 10.09 1.2793 0 6 2 4
74.26 4.18 1.2771 -4 0 4 2
75.61 1.17 1.2577 -2 2 4 4
76.02 1.16 1.2519 4 6 0 4
76.55 2.13 1.2446 0 0 4 2
77.35 1.45 1.2336 -3 5 3 4
77.73 6.89 1.2286 3 5 2 4
79.57 1.99 1.2047 -4 6 2 4
81.25 1.58 1.1840 2 6 2 4
82.17 1.05 1.1730 7 1 1 4
82.66 1.02 1.1674 -8 2 1 4
82.96 1.74 1.1638 -6 0 4 2
84.04 1.53 1.1517 8 0 0 2
89.61 1.44 1.0939 -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.