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 = 50 min
_database_code_amcsd 0003990
CELL PARAMETERS: 9.7100 8.9462 5.2480 90.000 108.494 90.000
SPACE GROUP: P2_1/c
X-RAY WAVELENGTH: 1.541838
Cell Volume: 432.338
Density (g/cm3): 3.546
MAX. ABS. INTENSITY / VOLUME**2: 11.58636083
RIR: 1.064
RIR based on corundum from Acta Crystallographica A38 (1982) 733-739
2-THETA INTENSITY D-SPACING H K L Multiplicity
13.80 3.14 6.4167 1 1 0 4
19.28 10.58 4.6043 2 0 0 2
20.02 9.96 4.4361 -1 1 1 4
20.42 3.62 4.3492 0 1 1 4
26.49 1.65 3.3653 -1 2 1 4
26.80 15.52 3.3269 0 2 1 4
27.81 49.70 3.2083 2 2 0 4
29.61 100.00 3.0174 -2 2 1 4
30.64 38.86 2.9176 -3 1 1 4
30.80 46.90 2.9034 3 1 0 4
34.84 45.48 2.5754 -1 3 1 4
35.08 1.94 2.5580 0 3 1 4
36.09 49.42 2.4885 0 0 2 2
36.52 27.21 2.4603 2 2 1 4
37.33 4.64 2.4091 -2 3 1 4
38.01 3.18 2.3672 1 3 1 4
40.39 13.20 2.2331 3 1 1 4
40.44 3.66 2.2307 1 0 2 2
40.68 2.14 2.2180 -2 2 2 4
41.53 4.56 2.1746 0 2 2 4
41.73 8.34 2.1644 1 1 2 4
42.14 37.34 2.1446 -3 3 1 4
42.25 2.85 2.1389 3 3 0 4
42.76 7.77 2.1145 -4 2 1 4
43.85 1.88 2.0649 -3 2 2 4
44.25 3.31 2.0469 4 2 0 4
44.32 14.91 2.0437 -4 0 2 2
44.41 10.03 2.0400 0 4 1 4
45.06 4.65 2.0118 2 4 0 4
45.53 1.28 1.9923 -4 1 2 4
46.27 4.12 1.9620 -2 4 1 4
46.67 10.71 1.9462 2 0 2 2
48.71 1.63 1.8694 -4 3 1 4
50.00 3.06 1.8243 3 3 1 4
50.60 3.39 1.8039 5 1 0 4
51.14 1.74 1.7862 1 3 2 4
51.19 9.32 1.7846 2 2 2 4
51.29 2.08 1.7813 2 4 1 4
52.07 11.20 1.7564 1 5 0 4
52.95 2.99 1.7293 4 2 1 4
53.94 1.89 1.6998 -1 1 3 4
54.54 3.49 1.6826 -2 4 2 4
54.89 3.65 1.6728 -3 1 3 4
55.22 1.40 1.6634 0 4 2 4
55.37 4.71 1.6594 3 1 2 4
56.54 18.20 1.6277 -2 2 3 4
56.62 25.29 1.6256 -5 3 1 4
59.74 3.38 1.5479 -3 5 1 4
59.83 5.10 1.5458 3 5 0 4
59.94 6.54 1.5432 -6 0 2 2
60.31 5.92 1.5348 6 0 0 2
61.50 4.65 1.5077 -2 3 3 4
61.98 14.02 1.4973 -1 3 3 4
62.27 12.64 1.4910 0 6 0 2
62.85 2.31 1.4787 -3 3 3 4
62.89 1.20 1.4777 -1 5 2 4
63.12 5.19 1.4730 4 0 2 2
63.35 2.00 1.4681 2 4 2 4
63.80 3.06 1.4588 -6 2 2 4
64.10 1.68 1.4527 0 5 2 4
65.84 5.13 1.4186 -3 5 2 4
66.10 2.06 1.4136 3 5 1 4
67.06 1.83 1.3957 1 5 2 4
67.32 27.02 1.3910 5 3 1 4
68.09 3.23 1.3770 -2 4 3 4
68.22 4.94 1.3748 1 3 3 4
68.56 1.21 1.3687 -7 1 1 4
69.27 1.80 1.3564 2 2 3 4
69.42 1.85 1.3539 -7 0 2 2
70.32 6.46 1.3387 -7 1 2 4
70.68 4.59 1.3328 -5 3 3 4
70.70 1.36 1.3324 0 4 3 4
72.33 2.11 1.3064 -3 0 4 2
72.64 1.78 1.3015 7 1 0 4
73.19 1.17 1.2932 6 2 1 4
73.22 1.61 1.2927 -3 1 4 4
73.80 1.12 1.2840 3 1 3 4
73.85 1.65 1.2833 5 1 2 4
74.13 10.18 1.2790 0 6 2 4
74.26 4.20 1.2771 -4 0 4 2
75.62 1.19 1.2575 -2 2 4 4
76.05 1.17 1.2515 4 6 0 4
76.57 2.13 1.2442 0 0 4 2
77.36 1.48 1.2335 -3 5 3 4
77.77 6.90 1.2281 3 5 2 4
79.59 2.02 1.2045 -4 6 2 4
81.29 1.61 1.1836 2 6 2 4
82.23 1.08 1.1723 7 1 1 4
82.70 1.01 1.1669 -8 2 1 4
82.96 1.73 1.1638 -6 0 4 2
84.09 1.53 1.1511 8 0 0 2
89.63 1.42 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.