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 = 700 C for t = 600 min
_database_code_amcsd 0003970
CELL PARAMETERS: 9.7132 8.9469 5.2500 90.000 108.484 90.000
SPACE GROUP: P2_1/c
X-RAY WAVELENGTH: 1.541838
Cell Volume: 432.704
Density (g/cm3): 3.543
MAX. ABS. INTENSITY / VOLUME**2: 11.55099240
RIR: 1.062
RIR based on corundum from Acta Crystallographica A38 (1982) 733-739
2-THETA INTENSITY D-SPACING H K L Multiplicity
13.80 2.80 6.4181 1 1 0 4
19.27 10.52 4.6061 2 0 0 2
20.01 10.39 4.4373 -1 1 1 4
20.41 3.52 4.3508 0 1 1 4
26.48 1.61 3.3659 -1 2 1 4
26.79 15.75 3.3277 0 2 1 4
27.80 50.24 3.2091 2 2 0 4
29.60 100.00 3.0180 -2 2 1 4
30.63 39.78 2.9184 -3 1 1 4
30.79 46.43 2.9044 3 1 0 4
34.83 45.88 2.5757 -1 3 1 4
35.07 1.90 2.5585 0 3 1 4
36.08 49.57 2.4896 0 0 2 2
36.51 27.42 2.4612 2 2 1 4
37.32 4.46 2.4094 -2 3 1 4
38.00 3.11 2.3677 1 3 1 4
40.37 13.61 2.2341 3 1 1 4
40.42 3.55 2.2318 1 0 2 2
40.67 2.24 2.2187 -2 2 2 4
41.51 4.79 2.1754 0 2 2 4
41.71 8.36 2.1654 1 1 2 4
42.13 37.37 2.1450 -3 3 1 4
42.24 2.95 2.1394 3 3 0 4
42.75 7.83 2.1150 -4 2 1 4
43.83 1.81 2.0654 -3 2 2 4
44.23 3.42 2.0476 4 2 0 4
44.31 15.17 2.0443 -4 0 2 2
44.40 10.36 2.0403 0 4 1 4
45.06 4.74 2.0120 2 4 0 4
45.51 1.24 1.9929 -4 1 2 4
46.27 4.02 1.9623 -2 4 1 4
46.65 10.78 1.9471 2 0 2 2
48.70 1.59 1.8699 -4 3 1 4
49.98 3.08 1.8248 3 3 1 4
50.58 3.46 1.8046 5 1 0 4
51.12 1.81 1.7868 1 3 2 4
51.17 9.47 1.7853 2 2 2 4
51.28 2.04 1.7817 2 4 1 4
52.07 11.27 1.7565 1 5 0 4
52.93 2.97 1.7300 4 2 1 4
53.92 1.94 1.7005 -1 1 3 4
54.53 3.57 1.6830 -2 4 2 4
54.87 3.78 1.6733 -3 1 3 4
55.21 1.39 1.6638 0 4 2 4
55.34 4.66 1.6602 3 1 2 4
56.52 18.33 1.6283 -2 2 3 4
56.60 25.35 1.6260 -5 3 1 4
59.73 3.42 1.5481 -3 5 1 4
59.82 5.13 1.5460 3 5 0 4
59.92 6.63 1.5436 -6 0 2 2
60.28 5.98 1.5354 6 0 0 2
61.48 4.52 1.5082 -2 3 3 4
61.96 14.22 1.4978 -1 3 3 4
62.26 12.64 1.4912 0 6 0 2
62.83 2.34 1.4791 -3 3 3 4
62.88 1.19 1.4780 -1 5 2 4
63.08 5.27 1.4737 4 0 2 2
63.33 2.06 1.4686 2 4 2 4
63.78 3.15 1.4592 -6 2 2 4
64.09 1.62 1.4530 0 5 2 4
65.83 5.24 1.4188 -3 5 2 4
66.08 2.11 1.4140 3 5 1 4
67.04 1.85 1.3961 1 5 2 4
67.29 27.28 1.3915 5 3 1 4
68.07 3.21 1.3774 -2 4 3 4
68.19 4.93 1.3753 1 3 3 4
68.54 1.26 1.3691 -7 1 1 4
69.24 1.84 1.3570 2 2 3 4
69.39 1.80 1.3543 -7 0 2 2
70.30 6.55 1.3391 -7 1 2 4
70.66 4.66 1.3331 -5 3 3 4
70.68 1.37 1.3329 0 4 3 4
72.30 2.07 1.3068 -3 0 4 2
72.61 1.78 1.3020 7 1 0 4
73.15 1.18 1.2937 6 2 1 4
73.19 1.68 1.2931 -3 1 4 4
73.76 1.15 1.2846 3 1 3 4
73.81 1.69 1.2839 5 1 2 4
74.12 10.27 1.2792 0 6 2 4
74.23 4.26 1.2775 -4 0 4 2
75.59 1.24 1.2580 -2 2 4 4
76.04 1.18 1.2517 4 6 0 4
76.53 2.19 1.2448 0 0 4 2
77.34 1.49 1.2337 -3 5 3 4
77.74 6.98 1.2284 3 5 2 4
79.57 2.01 1.2047 -4 6 2 4
81.26 1.60 1.1839 2 6 2 4
82.19 1.11 1.1728 7 1 1 4
82.66 1.01 1.1673 -8 2 1 4
82.93 1.80 1.1642 -6 0 4 2
84.05 1.56 1.1515 8 0 0 2
89.60 1.47 1.0941 -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.