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 = 10 min
_database_code_amcsd 0003975
CELL PARAMETERS: 9.7113 8.9455 5.2504 90.000 108.478 90.000
SPACE GROUP: P2_1/c
X-RAY WAVELENGTH: 1.541838
Cell Volume: 432.600
Density (g/cm3): 3.544
MAX. ABS. INTENSITY / VOLUME**2: 11.69568416
RIR: 1.075
RIR based on corundum from Acta Crystallographica A38 (1982) 733-739
2-THETA INTENSITY D-SPACING H K L Multiplicity
13.80 3.30 6.4171 1 1 0 4
19.27 10.52 4.6053 2 0 0 2
20.01 9.35 4.4372 -1 1 1 4
20.41 3.44 4.3510 0 1 1 4
26.48 1.61 3.3656 -1 2 1 4
26.79 15.07 3.3276 0 2 1 4
27.80 48.48 3.2086 2 2 0 4
29.60 100.00 3.0176 -2 2 1 4
30.64 38.03 2.9179 -3 1 1 4
30.79 46.69 2.9039 3 1 0 4
34.84 45.03 2.5754 -1 3 1 4
35.08 1.91 2.5583 0 3 1 4
36.07 48.90 2.4899 0 0 2 2
36.51 27.22 2.4611 2 2 1 4
37.33 4.49 2.4091 -2 3 1 4
38.01 3.13 2.3675 1 3 1 4
40.37 12.90 2.2340 3 1 1 4
40.41 3.55 2.2320 1 0 2 2
40.67 2.06 2.2186 -2 2 2 4
41.51 4.49 2.1755 0 2 2 4
41.71 8.41 2.1656 1 1 2 4
42.14 36.92 2.1446 -3 3 1 4
42.25 2.84 2.1390 3 3 0 4
42.76 7.82 2.1146 -4 2 1 4
43.84 1.77 2.0652 -3 2 2 4
44.24 3.21 2.0473 4 2 0 4
44.32 14.91 2.0440 -4 0 2 2
44.41 9.91 2.0401 0 4 1 4
45.07 4.46 2.0117 2 4 0 4
45.52 1.26 1.9927 -4 1 2 4
46.27 4.13 1.9620 -2 4 1 4
46.65 10.63 1.9472 2 0 2 2
48.71 1.56 1.8695 -4 3 1 4
49.98 3.03 1.8247 3 3 1 4
50.59 3.32 1.8043 5 1 0 4
51.12 1.74 1.7868 1 3 2 4
51.16 9.15 1.7854 2 2 2 4
51.28 2.07 1.7816 2 4 1 4
52.07 11.23 1.7563 1 5 0 4
52.93 3.00 1.7298 4 2 1 4
53.91 1.82 1.7006 -1 1 3 4
54.53 3.39 1.6828 -2 4 2 4
54.87 3.59 1.6733 -3 1 3 4
55.21 1.46 1.6638 0 4 2 4
55.34 4.71 1.6602 3 1 2 4
56.52 18.20 1.6283 -2 2 3 4
56.62 25.14 1.6257 -5 3 1 4
59.74 3.31 1.5479 -3 5 1 4
59.83 5.10 1.5458 3 5 0 4
59.93 6.51 1.5434 -6 0 2 2
60.29 5.86 1.5351 6 0 0 2
61.48 4.49 1.5082 -2 3 3 4
61.95 14.00 1.4978 -1 3 3 4
62.27 12.47 1.4909 0 6 0 2
62.83 2.30 1.4791 -3 3 3 4
62.89 1.20 1.4778 -1 5 2 4
63.08 5.21 1.4737 4 0 2 2
63.33 1.95 1.4686 2 4 2 4
63.80 3.03 1.4590 -6 2 2 4
64.09 1.62 1.4529 0 5 2 4
65.83 5.18 1.4186 -3 5 2 4
66.09 2.01 1.4138 3 5 1 4
67.04 1.84 1.3960 1 5 2 4
67.30 26.83 1.3913 5 3 1 4
68.07 3.21 1.3774 -2 4 3 4
68.18 4.90 1.3754 1 3 3 4
68.55 1.19 1.3689 -7 1 1 4
69.23 1.84 1.3571 2 2 3 4
69.41 1.78 1.3541 -7 0 2 2
70.31 6.49 1.3388 -7 1 2 4
70.67 4.59 1.3330 -5 3 3 4
70.67 1.33 1.3329 0 4 3 4
72.30 2.06 1.3069 -3 0 4 2
72.63 1.78 1.3018 7 1 0 4
73.16 1.20 1.2936 6 2 1 4
73.19 1.66 1.2932 -3 1 4 4
73.75 1.10 1.2847 3 1 3 4
73.81 1.63 1.2839 5 1 2 4
74.13 10.11 1.2791 0 6 2 4
74.23 4.20 1.2775 -4 0 4 2
75.58 1.18 1.2581 -2 2 4 4
76.05 1.17 1.2515 4 6 0 4
76.52 2.14 1.2449 0 0 4 2
77.35 1.45 1.2337 -3 5 3 4
77.75 6.92 1.2284 3 5 2 4
79.59 1.99 1.2045 -4 6 2 4
81.27 1.58 1.1838 2 6 2 4
82.20 1.06 1.1727 7 1 1 4
82.68 1.01 1.1671 -8 2 1 4
82.94 1.76 1.1641 -6 0 4 2
84.07 1.54 1.1513 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.