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 = 650 C for t = 7440 min
_database_code_amcsd 0003986
CELL PARAMETERS: 9.7079 8.9442 5.2463 90.000 108.485 90.000
SPACE GROUP: P2_1/c
X-RAY WAVELENGTH: 1.541838
Cell Volume: 432.031
Density (g/cm3): 3.548
MAX. ABS. INTENSITY / VOLUME**2: 11.46717816
RIR: 1.052
RIR based on corundum from Acta Crystallographica A38 (1982) 733-739
2-THETA INTENSITY D-SPACING H K L Multiplicity
13.80 2.56 6.4154 1 1 0 4
19.28 10.80 4.6035 2 0 0 2
20.02 11.17 4.4347 -1 1 1 4
20.43 3.69 4.3481 0 1 1 4
24.95 1.02 3.5684 1 1 1 4
26.49 1.66 3.3643 -1 2 1 4
26.80 16.13 3.3261 0 2 1 4
27.81 51.65 3.2077 2 2 0 4
29.61 100.00 3.0165 -2 2 1 4
30.65 40.77 2.9168 -3 1 1 4
30.80 46.41 2.9029 3 1 0 4
34.85 46.05 2.5747 -1 3 1 4
35.09 1.93 2.5574 0 3 1 4
36.10 50.02 2.4878 0 0 2 2
36.53 27.22 2.4599 2 2 1 4
37.34 4.60 2.4084 -2 3 1 4
38.02 3.16 2.3667 1 3 1 4
40.40 13.91 2.2328 3 1 1 4
40.45 3.65 2.2302 1 0 2 2
40.69 2.37 2.2173 -2 2 2 4
41.54 4.88 2.1741 0 2 2 4
41.74 8.24 2.1640 1 1 2 4
42.15 37.69 2.1440 -3 3 1 4
42.26 2.98 2.1385 3 3 0 4
42.78 7.73 2.1140 -4 2 1 4
43.86 1.90 2.0642 -3 2 2 4
44.26 3.55 2.0466 4 2 0 4
44.34 15.05 2.0430 -4 0 2 2
44.42 10.51 2.0396 0 4 1 4
45.07 4.99 2.0113 2 4 0 4
45.54 1.26 1.9917 -4 1 2 4
46.28 3.99 1.9615 -2 4 1 4
46.68 10.81 1.9458 2 0 2 2
48.72 1.63 1.8690 -4 3 1 4
50.01 3.07 1.8239 3 3 1 4
50.61 3.54 1.8036 5 1 0 4
51.15 1.83 1.7858 1 3 2 4
51.20 9.68 1.7842 2 2 2 4
51.30 2.00 1.7810 2 4 1 4
52.08 11.26 1.7560 1 5 0 4
52.96 2.94 1.7290 4 2 1 4
53.96 2.01 1.6993 -1 1 3 4
54.55 3.68 1.6822 -2 4 2 4
54.91 3.89 1.6722 -3 1 3 4
55.23 1.31 1.6630 0 4 2 4
55.38 4.68 1.6591 3 1 2 4
56.56 18.27 1.6272 -2 2 3 4
56.63 25.63 1.6252 -5 3 1 4
59.76 3.49 1.5476 -3 5 1 4
59.84 5.14 1.5455 3 5 0 4
59.96 6.65 1.5428 -6 0 2 2
60.32 5.94 1.5345 6 0 0 2
61.52 4.62 1.5073 -2 3 3 4
62.00 14.27 1.4969 -1 3 3 4
62.28 12.76 1.4907 0 6 0 2
62.87 2.34 1.4782 -3 3 3 4
62.91 1.19 1.4773 -1 5 2 4
63.13 5.28 1.4727 4 0 2 2
63.36 2.13 1.4678 2 4 2 4
63.82 3.17 1.4584 -6 2 2 4
64.12 1.66 1.4524 0 5 2 4
65.86 5.19 1.4182 -3 5 2 4
66.11 2.14 1.4134 3 5 1 4
67.07 1.84 1.3954 1 5 2 4
67.33 27.35 1.3907 5 3 1 4
68.11 3.19 1.3766 -2 4 3 4
68.24 4.96 1.3744 1 3 3 4
68.58 1.29 1.3684 -7 1 1 4
69.29 1.82 1.3561 2 2 3 4
69.44 1.85 1.3536 -7 0 2 2
70.34 6.48 1.3383 -7 1 2 4
70.71 4.66 1.3324 -5 3 3 4
70.72 1.41 1.3321 0 4 3 4
72.36 2.11 1.3059 -3 0 4 2
72.66 1.76 1.3013 7 1 0 4
73.20 1.17 1.2930 6 2 1 4
73.25 1.62 1.2922 -3 1 4 4
73.81 1.18 1.2838 3 1 3 4
73.86 1.71 1.2831 5 1 2 4
74.15 10.29 1.2787 0 6 2 4
74.29 4.25 1.2766 -4 0 4 2
75.65 1.24 1.2572 -2 2 4 4
76.07 1.18 1.2512 4 6 0 4
76.60 2.17 1.2439 0 0 4 2
77.39 1.52 1.2331 -3 5 3 4
77.78 6.96 1.2279 3 5 2 4
79.61 2.02 1.2042 -4 6 2 4
81.31 1.62 1.1833 2 6 2 4
82.25 1.14 1.1722 7 1 1 4
82.72 1.00 1.1667 -8 2 1 4
83.00 1.78 1.1635 -6 0 4 2
84.11 1.56 1.1509 8 0 0 2
89.66 1.43 1.0935 -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.