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 = 1000 min
_database_code_amcsd 0003971
CELL PARAMETERS: 9.7096 8.9421 5.2464 90.000 108.476 90.000
SPACE GROUP: P2_1/c
X-RAY WAVELENGTH: 1.541838
Cell Volume: 432.036
Density (g/cm3): 3.549
MAX. ABS. INTENSITY / VOLUME**2: 11.55786964
RIR: 1.060
RIR based on corundum from Acta Crystallographica A38 (1982) 733-739
2-THETA INTENSITY D-SPACING H K L Multiplicity
13.80 2.95 6.4153 1 1 0 4
19.28 10.64 4.6046 2 0 0 2
20.02 10.32 4.4345 -1 1 1 4
20.43 3.57 4.3481 0 1 1 4
26.50 1.62 3.3639 -1 2 1 4
26.81 15.68 3.3257 0 2 1 4
27.81 50.21 3.2077 2 2 0 4
29.62 100.00 3.0163 -2 2 1 4
30.65 39.75 2.9170 -3 1 1 4
30.80 46.68 2.9034 3 1 0 4
34.85 45.95 2.5743 -1 3 1 4
35.09 1.89 2.5570 0 3 1 4
36.10 49.63 2.4880 0 0 2 2
36.53 27.42 2.4600 2 2 1 4
37.34 4.48 2.4081 -2 3 1 4
38.02 3.14 2.3665 1 3 1 4
40.39 13.61 2.2332 3 1 1 4
40.44 3.56 2.2305 1 0 2 2
40.69 2.24 2.2172 -2 2 2 4
41.54 4.77 2.1741 0 2 2 4
41.74 8.39 2.1642 1 1 2 4
42.15 37.44 2.1439 -3 3 1 4
42.26 2.94 2.1384 3 3 0 4
42.77 7.84 2.1141 -4 2 1 4
43.86 1.82 2.0641 -3 2 2 4
44.25 3.41 2.0469 4 2 0 4
44.34 15.14 2.0431 -4 0 2 2
44.43 10.34 2.0392 0 4 1 4
45.08 4.74 2.0110 2 4 0 4
45.54 1.23 1.9918 -4 1 2 4
46.29 4.08 1.9612 -2 4 1 4
46.67 10.83 1.9461 2 0 2 2
48.72 1.59 1.8690 -4 3 1 4
50.00 3.08 1.8240 3 3 1 4
50.60 3.48 1.8040 5 1 0 4
51.15 1.78 1.7858 1 3 2 4
51.19 9.44 1.7844 2 2 2 4
51.30 2.04 1.7809 2 4 1 4
52.09 11.23 1.7556 1 5 0 4
52.95 2.97 1.7293 4 2 1 4
53.96 1.93 1.6993 -1 1 3 4
54.56 3.55 1.6820 -2 4 2 4
54.91 3.77 1.6722 -3 1 3 4
55.24 1.40 1.6629 0 4 2 4
55.37 4.69 1.6594 3 1 2 4
56.56 18.32 1.6272 -2 2 3 4
56.63 25.48 1.6253 -5 3 1 4
59.76 3.43 1.5473 -3 5 1 4
59.85 5.15 1.5453 3 5 0 4
59.95 6.66 1.5429 -6 0 2 2
60.30 5.98 1.5349 6 0 0 2
61.53 4.53 1.5072 -2 3 3 4
62.00 14.27 1.4968 -1 3 3 4
62.30 12.69 1.4903 0 6 0 2
62.87 2.34 1.4782 -3 3 3 4
62.92 1.19 1.4771 -1 5 2 4
63.11 5.29 1.4730 4 0 2 2
63.36 2.07 1.4678 2 4 2 4
63.82 3.14 1.4585 -6 2 2 4
64.13 1.63 1.4522 0 5 2 4
65.87 5.25 1.4180 -3 5 2 4
66.11 2.11 1.4133 3 5 1 4
67.08 1.85 1.3953 1 5 2 4
67.32 27.33 1.3909 5 3 1 4
68.12 3.23 1.3765 -2 4 3 4
68.23 4.94 1.3745 1 3 3 4
68.56 1.26 1.3686 -7 1 1 4
69.28 1.85 1.3562 2 2 3 4
69.43 1.79 1.3537 -7 0 2 2
70.34 6.56 1.3385 -7 1 2 4
70.71 4.68 1.3323 -5 3 3 4
70.72 1.37 1.3321 0 4 3 4
72.36 2.09 1.3059 -3 0 4 2
72.64 1.79 1.3016 7 1 0 4
73.18 1.19 1.2933 6 2 1 4
73.25 1.68 1.2922 -3 1 4 4
73.80 1.16 1.2840 3 1 3 4
73.84 1.68 1.2834 5 1 2 4
74.17 10.29 1.2785 0 6 2 4
74.29 4.26 1.2767 -4 0 4 2
75.65 1.24 1.2572 -2 2 4 4
76.08 1.18 1.2511 4 6 0 4
76.59 2.20 1.2440 0 0 4 2
77.40 1.49 1.2330 -3 5 3 4
77.79 6.99 1.2278 3 5 2 4
79.62 2.01 1.2041 -4 6 2 4
81.31 1.61 1.1832 2 6 2 4
82.22 1.11 1.1724 7 1 1 4
82.70 1.02 1.1669 -8 2 1 4
83.00 1.81 1.1635 -6 0 4 2
84.09 1.56 1.1511 8 0 0 2
89.65 1.46 1.0936 -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.