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 = 6 min
_database_code_amcsd 0003974
CELL PARAMETERS: 9.7094 8.9457 5.2478 90.000 108.468 90.000
SPACE GROUP: P2_1/c
X-RAY WAVELENGTH: 1.541838
Cell Volume: 432.336
Density (g/cm3): 3.547
MAX. ABS. INTENSITY / VOLUME**2: 11.64725537
RIR: 1.069
RIR based on corundum from Acta Crystallographica A38 (1982) 733-739
2-THETA INTENSITY D-SPACING H K L Multiplicity
13.80 3.18 6.4168 1 1 0 4
19.28 10.63 4.6047 2 0 0 2
20.02 9.82 4.4356 -1 1 1 4
20.42 3.50 4.3496 0 1 1 4
26.49 1.61 3.3650 -1 2 1 4
26.80 15.37 3.3269 0 2 1 4
27.81 49.28 3.2084 2 2 0 4
29.61 100.00 3.0169 -2 2 1 4
30.65 38.74 2.9172 -3 1 1 4
30.79 46.76 2.9036 3 1 0 4
34.84 45.45 2.5752 -1 3 1 4
35.08 1.89 2.5580 0 3 1 4
36.09 49.29 2.4888 0 0 2 2
36.52 27.29 2.4607 2 2 1 4
37.33 4.48 2.4088 -2 3 1 4
38.01 3.17 2.3673 1 3 1 4
40.38 13.21 2.2336 3 1 1 4
40.43 3.58 2.2312 1 0 2 2
40.68 2.14 2.2178 -2 2 2 4
41.52 4.61 2.1748 0 2 2 4
41.72 8.38 2.1648 1 1 2 4
42.14 37.18 2.1443 -3 3 1 4
42.25 2.88 2.1389 3 3 0 4
42.77 7.85 2.1142 -4 2 1 4
43.85 1.80 2.0645 -3 2 2 4
44.25 3.30 2.0471 4 2 0 4
44.33 14.99 2.0432 -4 0 2 2
44.41 10.06 2.0400 0 4 1 4
45.07 4.59 2.0117 2 4 0 4
45.54 1.24 1.9919 -4 1 2 4
46.28 4.10 1.9618 -2 4 1 4
46.66 10.74 1.9466 2 0 2 2
48.71 1.58 1.8693 -4 3 1 4
49.99 3.06 1.8245 3 3 1 4
50.60 3.39 1.8040 5 1 0 4
51.13 1.76 1.7864 1 3 2 4
51.18 9.27 1.7849 2 2 2 4
51.28 2.07 1.7815 2 4 1 4
52.07 11.29 1.7563 1 5 0 4
52.94 2.99 1.7296 4 2 1 4
53.94 1.88 1.6999 -1 1 3 4
54.54 3.48 1.6825 -2 4 2 4
54.89 3.66 1.6725 -3 1 3 4
55.22 1.43 1.6635 0 4 2 4
55.35 4.71 1.6598 3 1 2 4
56.54 18.27 1.6276 -2 2 3 4
56.63 25.35 1.6254 -5 3 1 4
59.75 3.36 1.5478 -3 5 1 4
59.83 5.12 1.5458 3 5 0 4
59.95 6.56 1.5429 -6 0 2 2
60.30 5.91 1.5349 6 0 0 2
61.51 4.54 1.5076 -2 3 3 4
61.98 14.11 1.4973 -1 3 3 4
62.27 12.58 1.4909 0 6 0 2
62.85 2.34 1.4785 -3 3 3 4
62.90 1.20 1.4776 -1 5 2 4
63.10 5.25 1.4734 4 0 2 2
63.34 2.00 1.4683 2 4 2 4
63.81 3.08 1.4586 -6 2 2 4
64.10 1.64 1.4527 0 5 2 4
65.85 5.20 1.4184 -3 5 2 4
66.09 2.05 1.4137 3 5 1 4
67.05 1.86 1.3958 1 5 2 4
67.30 27.08 1.3912 5 3 1 4
68.09 3.22 1.3769 -2 4 3 4
68.21 4.93 1.3749 1 3 3 4
68.57 1.22 1.3686 -7 1 1 4
69.26 1.84 1.3567 2 2 3 4
69.43 1.79 1.3537 -7 0 2 2
70.34 6.53 1.3385 -7 1 2 4
70.70 4.64 1.3325 -5 3 3 4
70.70 1.35 1.3325 0 4 3 4
72.34 2.07 1.3063 -3 0 4 2
72.64 1.79 1.3016 7 1 0 4
73.17 1.20 1.2934 6 2 1 4
73.23 1.66 1.2926 -3 1 4 4
73.78 1.13 1.2843 3 1 3 4
73.82 1.64 1.2836 5 1 2 4
74.13 10.22 1.2790 0 6 2 4
74.28 4.23 1.2769 -4 0 4 2
75.62 1.21 1.2575 -2 2 4 4
76.05 1.18 1.2515 4 6 0 4
76.56 2.17 1.2444 0 0 4 2
77.37 1.47 1.2334 -3 5 3 4
77.76 6.97 1.2282 3 5 2 4
79.60 2.00 1.2044 -4 6 2 4
81.28 1.60 1.1837 2 6 2 4
82.22 1.09 1.1725 7 1 1 4
82.70 1.01 1.1669 -8 2 1 4
82.98 1.78 1.1636 -6 0 4 2
84.09 1.55 1.1512 8 0 0 2
89.65 1.45 1.0936 -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.