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 = 3.5 min
_database_code_amcsd 0003973
CELL PARAMETERS: 9.7088 8.9429 5.2473 90.000 108.471 90.000
SPACE GROUP: P2_1/c
X-RAY WAVELENGTH: 1.541838
Cell Volume: 432.126
Density (g/cm3): 3.548
MAX. ABS. INTENSITY / VOLUME**2: 11.59958047
RIR: 1.064
RIR based on corundum from Acta Crystallographica A38 (1982) 733-739
2-THETA INTENSITY D-SPACING H K L Multiplicity
13.80 3.10 6.4155 1 1 0 4
19.28 10.65 4.6043 2 0 0 2
20.02 9.94 4.4350 -1 1 1 4
20.42 3.53 4.3489 0 1 1 4
26.49 1.62 3.3643 -1 2 1 4
26.80 15.50 3.3262 0 2 1 4
27.81 49.55 3.2077 2 2 0 4
29.62 100.00 3.0164 -2 2 1 4
30.65 39.06 2.9169 -3 1 1 4
30.80 46.75 2.9033 3 1 0 4
34.85 45.55 2.5745 -1 3 1 4
35.09 1.90 2.5573 0 3 1 4
36.09 49.64 2.4885 0 0 2 2
36.52 27.41 2.4603 2 2 1 4
37.34 4.48 2.4082 -2 3 1 4
38.02 3.15 2.3667 1 3 1 4
40.39 13.32 2.2334 3 1 1 4
40.43 3.57 2.2309 1 0 2 2
40.69 2.17 2.2175 -2 2 2 4
41.53 4.64 2.1744 0 2 2 4
41.73 8.43 2.1646 1 1 2 4
42.15 37.31 2.1439 -3 3 1 4
42.26 2.89 2.1385 3 3 0 4
42.78 7.83 2.1140 -4 2 1 4
43.86 1.82 2.0643 -3 2 2 4
44.25 3.33 2.0468 4 2 0 4
44.34 14.97 2.0431 -4 0 2 2
44.42 10.16 2.0394 0 4 1 4
45.08 4.66 2.0112 2 4 0 4
45.54 1.24 1.9918 -4 1 2 4
46.29 4.10 1.9613 -2 4 1 4
46.67 10.72 1.9464 2 0 2 2
48.72 1.59 1.8690 -4 3 1 4
50.00 3.08 1.8242 3 3 1 4
50.60 3.40 1.8039 5 1 0 4
51.14 1.76 1.7861 1 3 2 4
51.19 9.35 1.7847 2 2 2 4
51.30 2.06 1.7810 2 4 1 4
52.09 11.25 1.7558 1 5 0 4
52.95 2.99 1.7294 4 2 1 4
53.95 1.88 1.6997 -1 1 3 4
54.55 3.50 1.6821 -2 4 2 4
54.90 3.71 1.6724 -3 1 3 4
55.23 1.41 1.6631 0 4 2 4
55.36 4.71 1.6596 3 1 2 4
56.55 18.31 1.6274 -2 2 3 4
56.63 25.41 1.6252 -5 3 1 4
59.76 3.38 1.5474 -3 5 1 4
59.85 5.15 1.5454 3 5 0 4
59.96 6.59 1.5428 -6 0 2 2
60.30 5.92 1.5348 6 0 0 2
61.52 4.51 1.5074 -2 3 3 4
61.99 14.16 1.4971 -1 3 3 4
62.29 12.65 1.4905 0 6 0 2
62.86 2.34 1.4783 -3 3 3 4
62.91 1.20 1.4773 -1 5 2 4
63.11 5.24 1.4732 4 0 2 2
63.36 2.02 1.4680 2 4 2 4
63.82 3.08 1.4585 -6 2 2 4
64.12 1.63 1.4524 0 5 2 4
65.86 5.21 1.4181 -3 5 2 4
66.11 2.07 1.4134 3 5 1 4
67.07 1.86 1.3955 1 5 2 4
67.32 27.14 1.3910 5 3 1 4
68.11 3.24 1.3767 -2 4 3 4
68.22 4.91 1.3747 1 3 3 4
68.57 1.22 1.3685 -7 1 1 4
69.27 1.84 1.3565 2 2 3 4
69.43 1.79 1.3536 -7 0 2 2
70.34 6.54 1.3384 -7 1 2 4
70.70 4.66 1.3324 -5 3 3 4
70.71 1.36 1.3323 0 4 3 4
72.35 2.06 1.3061 -3 0 4 2
72.64 1.79 1.3015 7 1 0 4
73.18 1.19 1.2933 6 2 1 4
73.24 1.66 1.2924 -3 1 4 4
73.79 1.13 1.2842 3 1 3 4
73.83 1.67 1.2835 5 1 2 4
74.16 10.25 1.2787 0 6 2 4
74.28 4.23 1.2768 -4 0 4 2
75.63 1.21 1.2574 -2 2 4 4
76.07 1.18 1.2512 4 6 0 4
76.57 2.18 1.2442 0 0 4 2
77.39 1.48 1.2331 -3 5 3 4
77.78 6.94 1.2280 3 5 2 4
79.62 2.00 1.2041 -4 6 2 4
81.30 1.60 1.1834 2 6 2 4
82.23 1.09 1.1724 7 1 1 4
82.71 1.02 1.1668 -8 2 1 4
82.99 1.78 1.1635 -6 0 4 2
84.09 1.55 1.1511 8 0 0 2
89.66 1.45 1.0935 -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.