Chapmanite
Ballirano P, Maras A, Marchetti F, Merlino S, Perchiazzi N
Powder Diffraction 13 (1998) 44-49
Rietveld refinement of chapmanite SbFe2Si2O8OH,
a TO dioctahderal kaolinite-like mineral
Locality: Tafone mine, Tucsany, Italy
_database_code_amcsd 0015317
CELL PARAMETERS: 5.2250 8.9970 7.7800 90.000 101.710 90.000
SPACE GROUP: Cm
X-RAY WAVELENGTH: 1.541838
Cell Volume: 358.121
Density (g/cm3): 4.021
MAX. ABS. INTENSITY / VOLUME**2: 25.80728878
RIR: 2.090
RIR based on corundum from Acta Crystallographica A38 (1982) 733-739
2-THETA INTENSITY D-SPACING H K L Multiplicity
11.62 82.24 7.6181 0 0 1 1
19.96 3.60 4.4474 1 1 0 2
21.28 31.82 4.1749 -1 1 1 2
22.96 72.82 3.8736 0 2 1 2
23.35 8.75 3.8090 0 0 2 1
24.90 100.00 3.5759 1 1 1 2
28.03 79.62 3.1838 -1 1 2 2
30.76 49.18 2.9069 0 2 2 2
33.57 21.29 2.6697 1 1 2 2
34.65 23.45 2.5888 -2 0 1 1
34.67 46.80 2.5873 1 3 0 2
35.08 7.72 2.5581 2 0 0 1
35.35 17.97 2.5394 0 0 3 1
35.48 13.79 2.5302 -1 3 1 2
37.56 8.07 2.3946 -1 1 3 2
37.85 16.10 2.3767 1 3 1 2
38.19 7.74 2.3565 -2 0 2 1
39.36 2.52 2.2889 2 0 1 1
40.07 4.79 2.2503 -1 3 2 2
40.09 2.17 2.2492 0 4 0 2
40.19 5.83 2.2438 -2 2 1 2
40.57 7.78 2.2237 2 2 0 2
40.81 5.65 2.2114 0 2 3 2
41.88 10.92 2.1572 0 4 1 2
43.35 11.08 2.0874 -2 2 2 2
44.07 3.61 2.0546 1 1 3 2
44.30 5.01 2.0449 1 3 2 2
44.41 9.34 2.0400 2 2 1 2
44.90 3.40 2.0186 -2 0 3 1
46.61 4.72 1.9485 2 0 2 1
46.91 6.03 1.9368 0 4 2 2
47.53 9.93 1.9131 -1 3 3 2
47.76 1.93 1.9045 0 0 4 1
48.57 2.12 1.8745 -1 1 4 2
49.49 5.70 1.8417 -2 2 3 2
51.08 6.44 1.7880 2 2 2 2
52.15 1.66 1.7538 0 2 4 2
53.06 16.40 1.7259 1 3 3 2
53.86 7.47 1.7020 -2 0 4 1
54.31 1.30 1.6892 2 4 0 2
54.50 4.62 1.6837 0 4 3 2
54.59 1.69 1.6810 -1 5 1 2
54.79 3.91 1.6756 3 1 0 2
55.32 4.21 1.6606 -3 1 2 2
55.76 2.21 1.6487 1 1 4 2
55.96 3.96 1.6432 2 0 3 1
56.32 6.31 1.6337 1 5 1 2
56.56 5.63 1.6271 -2 4 2 2
57.03 7.54 1.6150 -1 3 4 2
57.44 6.19 1.6043 2 4 1 2
57.93 2.54 1.5919 -2 2 4 2
57.97 6.17 1.5908 -1 5 2 2
58.73 4.34 1.5720 3 1 1 2
59.75 4.30 1.5476 -3 1 3 2
59.93 1.57 1.5434 2 2 3 2
60.67 2.32 1.5263 -1 1 5 2
60.79 1.22 1.5236 0 0 5 1
61.26 2.49 1.5131 1 5 2 2
61.59 13.30 1.5058 -3 3 1 2
61.75 2.15 1.5023 -2 4 3 2
61.88 6.58 1.4995 0 6 0 2
62.67 2.72 1.4825 3 3 0 2
63.13 1.33 1.4727 2 4 2 2
63.16 1.86 1.4721 -3 3 2 2
63.20 2.22 1.4713 0 6 1 2
63.56 4.32 1.4637 1 3 4 2
63.88 1.18 1.4573 -1 5 3 2
64.06 1.35 1.4535 0 4 4 2
64.52 1.90 1.4442 -2 0 5 1
64.58 1.92 1.4431 0 2 5 2
65.14 1.06 1.4321 3 1 2 2
66.94 3.30 1.3978 2 0 4 1
68.14 5.74 1.3761 -1 3 5 2
68.20 1.38 1.3751 -2 2 5 2
68.53 1.49 1.3692 1 1 5 2
70.56 1.06 1.3348 2 2 4 2
72.36 1.79 1.3059 3 3 2 2
72.39 1.94 1.3054 -4 0 1 1
72.90 3.63 1.2975 -2 6 1 2
73.16 1.37 1.2936 2 6 0 2
73.32 1.68 1.2912 0 6 3 2
73.74 1.61 1.2849 -3 3 4 2
73.93 1.29 1.2821 -1 1 6 2
77.49 1.03 1.2317 -3 5 2 2
77.60 1.53 1.2303 4 2 0 2
78.23 1.20 1.2219 0 2 6 2
78.33 1.38 1.2206 1 7 1 2
79.69 1.41 1.2032 -4 2 3 2
79.75 1.40 1.2024 -1 7 2 2
80.41 1.11 1.1942 3 5 1 2
81.30 1.12 1.1834 -3 5 3 2
84.69 1.27 1.1445 4 0 2 1
86.50 2.30 1.1251 -2 6 4 2
88.22 1.46 1.1076 2 6 3 2
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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.