Brownmillerite
Redhammer G J, Tippelt G, Roth G, Amthauer G
American Mineralogist 89 (2004) 405-420
Structural variations in the brownmillerite series Ca2(Fe2-xAlx)O5:
Single-crystal X-ray diffraction at 25 deg C and high temperature
X-ray powder diffraction (25 C <= T <= 1000 C)
Sample: bht095_2
Locality: synthetic
_database_code_amcsd 0003437
CELL PARAMETERS: 5.3510 14.5256 5.5685 90.000 90.000 90.000
SPACE GROUP: I2mb
X-RAY WAVELENGTH: 1.541838
Cell Volume: 432.820
Density (g/cm3): 3.788
MAX. ABS. INTENSITY / VOLUME**2: 27.40453329
RIR: 2.356
RIR based on corundum from Acta Crystallographica A38 (1982) 733-739
2-THETA INTENSITY D-SPACING H K L Multiplicity
12.19 31.26 7.2628 0 2 0 2
17.05 2.85 5.1995 0 1 1 4
23.05 5.93 3.8583 1 0 1 2
24.36 12.01 3.6538 0 3 1 4
24.51 3.77 3.6314 0 4 0 2
26.15 3.77 3.4074 1 2 1 4
32.15 34.89 2.7843 0 0 2 2
33.49 44.33 2.6755 2 0 0 1
33.90 100.00 2.6444 1 4 1 4
34.83 10.16 2.5757 0 5 1 4
36.92 3.63 2.4350 1 1 2 4
40.84 3.71 2.2095 0 4 2 4
41.85 5.53 2.1586 2 3 1 4
41.94 3.42 2.1540 2 4 0 2
44.16 23.54 2.0507 1 6 1 4
47.11 44.07 1.9292 2 0 2 2
48.37 2.65 1.8817 1 5 2 4
48.85 11.04 1.8645 2 2 2 4
50.25 18.40 1.8157 0 8 0 2
50.87 1.46 1.7951 2 6 0 2
52.82 7.69 1.7332 0 3 3 4
55.56 1.73 1.6540 3 2 1 4
55.97 2.19 1.6429 1 8 1 4
58.05 2.80 1.5888 1 7 2 4
58.44 17.54 1.5792 1 4 3 4
59.06 2.58 1.5642 0 5 3 4
60.14 19.89 1.5386 3 4 1 4
60.91 6.30 1.5209 0 8 2 4
61.74 8.29 1.5024 2 8 0 2
62.13 2.44 1.4939 3 1 2 4
64.01 4.20 1.4546 2 3 3 4
65.75 4.73 1.4202 1 6 3 4
67.25 2.22 1.3921 0 0 4 2
67.34 5.46 1.3905 3 6 1 4
68.65 3.96 1.3672 0 2 4 4
69.10 2.63 1.3594 1 10 1 4
69.63 3.55 1.3503 2 5 3 4
70.15 1.68 1.3415 1 1 4 4
70.38 4.83 1.3377 4 0 0 1
70.60 1.13 1.3342 3 5 2 4
71.33 12.91 1.3222 2 8 2 4
71.74 2.18 1.3156 4 2 0 2
77.25 1.28 1.2350 2 0 4 2
78.57 1.05 1.2175 2 2 4 4
78.64 1.73 1.2167 3 7 2 4
78.97 4.79 1.2123 3 4 3 4
79.49 3.22 1.2058 4 0 2 2
83.27 3.29 1.1604 2 10 2 4
83.75 3.62 1.1550 1 12 1 4
85.49 2.90 1.1358 3 6 3 4
86.04 2.58 1.1300 1 7 4 4
88.50 1.17 1.1048 0 8 4 4
88.58 1.41 1.1040 3 10 1 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.