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 = 50 min
_database_code_amcsd 0003966
CELL PARAMETERS: 9.7114 8.9473 5.2513 90.000 108.475 90.000
SPACE GROUP: P2_1/c
X-RAY WAVELENGTH: 1.541838
Cell Volume: 432.773
Density (g/cm3): 3.542
MAX. ABS. INTENSITY / VOLUME**2: 11.46180155
RIR: 1.054
RIR based on corundum from Acta Crystallographica A38 (1982) 733-739
2-THETA INTENSITY D-SPACING H K L Multiplicity
13.80 2.56 6.4179 1 1 0 4
19.27 10.66 4.6054 2 0 0 2
20.01 11.13 4.4379 -1 1 1 4
20.41 3.58 4.3518 0 1 1 4
24.93 1.05 3.5713 1 1 1 4
26.48 1.59 3.3662 -1 2 1 4
26.79 16.10 3.3282 0 2 1 4
27.80 51.46 3.2089 2 2 0 4
29.60 100.00 3.0179 -2 2 1 4
30.64 40.98 2.9181 -3 1 1 4
30.79 46.19 2.9041 3 1 0 4
34.83 46.30 2.5759 -1 3 1 4
35.07 1.90 2.5588 0 3 1 4
36.07 49.95 2.4903 0 0 2 2
36.50 27.44 2.4614 2 2 1 4
37.32 4.43 2.4094 -2 3 1 4
38.00 3.12 2.3680 1 3 1 4
40.37 14.11 2.2342 3 1 1 4
40.40 3.56 2.2324 1 0 2 2
40.66 2.38 2.2189 -2 2 2 4
41.50 5.02 2.1759 0 2 2 4
41.70 8.34 2.1660 1 1 2 4
42.13 37.63 2.1449 -3 3 1 4
42.24 3.04 2.1393 3 3 0 4
42.76 7.75 2.1147 -4 2 1 4
43.83 1.85 2.0655 -3 2 2 4
44.24 3.58 2.0474 4 2 0 4
44.31 15.29 2.0442 -4 0 2 2
44.40 10.69 2.0405 0 4 1 4
45.06 4.97 2.0121 2 4 0 4
45.52 1.22 1.9928 -4 1 2 4
46.27 3.98 1.9623 -2 4 1 4
46.64 10.86 1.9475 2 0 2 2
48.70 1.58 1.8697 -4 3 1 4
49.98 3.08 1.8249 3 3 1 4
50.59 3.58 1.8043 5 1 0 4
51.11 1.86 1.7872 1 3 2 4
51.15 9.71 1.7857 2 2 2 4
51.27 1.98 1.7819 2 4 1 4
52.06 11.27 1.7566 1 5 0 4
52.93 2.91 1.7300 4 2 1 4
53.90 2.04 1.7009 -1 1 3 4
54.52 3.71 1.6831 -2 4 2 4
54.86 3.95 1.6736 -3 1 3 4
55.20 1.34 1.6641 0 4 2 4
55.33 4.64 1.6604 3 1 2 4
56.51 18.39 1.6286 -2 2 3 4
56.61 25.63 1.6258 -5 3 1 4
59.73 3.48 1.5481 -3 5 1 4
59.82 5.17 1.5460 3 5 0 4
59.93 6.69 1.5434 -6 0 2 2
60.29 5.99 1.5351 6 0 0 2
61.47 4.50 1.5084 -2 3 3 4
61.94 14.42 1.4981 -1 3 3 4
62.26 12.73 1.4912 0 6 0 2
62.82 2.36 1.4793 -3 3 3 4
62.87 1.18 1.4781 -1 5 2 4
63.08 5.38 1.4739 4 0 2 2
63.32 2.17 1.4688 2 4 2 4
63.79 3.24 1.4590 -6 2 2 4
64.08 1.61 1.4532 0 5 2 4
65.82 5.31 1.4189 -3 5 2 4
66.08 2.16 1.4140 3 5 1 4
67.03 1.84 1.3962 1 5 2 4
67.29 27.50 1.3915 5 3 1 4
68.06 3.20 1.3776 -2 4 3 4
68.17 4.98 1.3756 1 3 3 4
68.55 1.32 1.3689 -7 1 1 4
69.22 1.86 1.3573 2 2 3 4
69.41 1.79 1.3541 -7 0 2 2
70.31 6.56 1.3388 -7 1 2 4
70.66 1.40 1.3331 0 4 3 4
70.66 4.73 1.3331 -5 3 3 4
72.28 2.08 1.3071 -3 0 4 2
72.62 1.77 1.3018 7 1 0 4
73.15 1.19 1.2937 6 2 1 4
73.17 1.70 1.2934 -3 1 4 4
73.74 1.21 1.2849 3 1 3 4
73.80 1.73 1.2840 5 1 2 4
74.11 10.36 1.2794 0 6 2 4
74.22 4.32 1.2777 -4 0 4 2
75.56 1.29 1.2583 -2 2 4 4
76.04 1.19 1.2517 4 6 0 4
76.51 2.24 1.2452 0 0 4 2
77.33 1.51 1.2339 -3 5 3 4
77.73 7.03 1.2286 3 5 2 4
79.57 2.02 1.2047 -4 6 2 4
81.25 1.61 1.1840 2 6 2 4
82.20 1.16 1.1728 7 1 1 4
82.68 1.01 1.1671 -8 2 1 4
82.93 1.83 1.1643 -6 0 4 2
84.07 1.58 1.1514 8 0 0 2
89.61 1.47 1.0940 -8 2 3 4
================================================================================
XPOW Copyright 1993 Bob Downs, Ranjini Swaminathan and Kurt Bartelmehs
For reference, see Downs et al. (1993) American Mineralogist 78, 1104-1107.