Prosopite
Pudovkina Z V, Pyatenko Y A
Doklady Akademii Nauk SSSR 190 (1970) 665-667
About the structure of the prosopite, Ca[Al2F4(OH)4], and about
some features of the fluoroaluminate crystal chemistry
_database_code_amcsd 0012448
CELL PARAMETERS: 6.7600 11.1200 7.3200 90.000 95.000 90.000
SPACE GROUP: C2/c
X-RAY WAVELENGTH: 1.541838
Cell Volume: 548.159
Density (g/cm3): 2.835
MAX. ABS. INTENSITY / VOLUME**2: 12.98718159
RIR: 1.491
RIR based on corundum from Acta Crystallographica A38 (1982) 733-739
2-THETA INTENSITY D-SPACING H K L Multiplicity
15.38 6.20 5.7603 1 1 0 4
20.08 5.89 4.4214 0 2 1 4
20.35 100.00 4.3647 1 1 1 4
24.41 8.66 3.6461 0 0 2 2
26.47 7.45 3.3671 2 0 0 2
27.47 16.50 3.2473 1 3 0 4
29.29 26.77 3.0490 0 2 2 4
29.64 10.32 3.0139 -1 3 1 4
29.97 1.36 2.9820 1 1 2 4
30.60 1.56 2.9212 1 3 1 4
31.05 13.60 2.8802 2 2 0 4
32.20 1.51 2.7800 0 4 0 2
32.56 4.88 2.7497 -2 2 1 4
37.87 6.22 2.3759 1 3 2 4
37.92 1.57 2.3727 2 0 2 2
38.36 1.99 2.3468 -2 2 2 4
39.14 28.47 2.3018 -1 1 3 4
40.82 18.99 2.2107 0 4 2 4
41.02 4.36 2.2004 3 1 0 4
42.15 29.16 2.1438 2 4 0 4
43.33 5.10 2.0883 -2 4 1 4
44.33 1.29 2.0434 -1 5 1 4
44.72 10.77 2.0265 2 4 1 4
45.02 3.00 2.0138 1 5 1 4
45.67 2.71 1.9864 -1 3 3 4
46.34 10.16 1.9594 -3 1 2 4
47.34 19.44 1.9201 3 3 0 4
47.67 5.37 1.9078 1 3 3 4
50.01 13.51 1.8236 3 3 1 4
50.03 23.60 1.8230 0 0 4 2
50.23 2.86 1.8165 3 1 2 4
50.53 3.25 1.8061 1 5 2 4
50.83 3.88 1.7962 0 6 1 4
52.16 4.00 1.7537 -3 3 2 4
53.87 1.90 1.7020 1 1 4 4
54.50 5.47 1.6836 4 0 0 2
55.56 3.56 1.6540 -2 4 3 4
55.75 4.10 1.6490 3 3 2 4
56.69 3.68 1.6236 2 6 0 4
56.87 1.36 1.6190 -1 3 4 4
56.98 1.60 1.6162 -1 5 3 4
57.64 5.67 1.5991 -2 6 1 4
57.80 3.83 1.5951 -2 2 4 4
58.78 1.80 1.5709 2 6 1 4
59.01 2.87 1.5653 2 4 3 4
59.04 7.34 1.5645 -3 3 3 4
59.15 3.70 1.5619 1 3 4 4
59.82 2.20 1.5461 1 7 0 4
60.74 4.05 1.5248 3 5 1 4
60.89 1.03 1.5215 -4 2 2 4
61.01 5.31 1.5187 -1 7 1 4
62.27 1.04 1.4910 2 2 4 4
65.23 1.84 1.4304 4 2 2 4
65.33 1.38 1.4284 -2 4 4 4
67.19 1.26 1.3932 4 4 1 4
67.37 2.30 1.3900 0 8 0 2
68.25 5.88 1.3742 -3 3 4 4
68.86 2.70 1.3634 -3 5 3 4
69.52 6.61 1.3522 2 4 4 4
71.18 2.13 1.3247 2 6 3 4
73.04 4.51 1.2954 5 1 1 4
73.96 1.35 1.2816 -4 4 3 4
74.38 1.77 1.2754 3 3 4 4
74.57 1.00 1.2726 -2 8 1 4
76.76 2.17 1.2417 -4 6 1 4
76.98 2.12 1.2386 -2 6 4 4
78.62 2.53 1.2168 -5 1 3 4
80.29 2.50 1.1957 1 9 1 4
80.68 1.40 1.1910 -1 7 4 4
81.06 3.09 1.1864 4 0 4 2
81.89 1.00 1.1764 -2 0 6 2
81.93 1.08 1.1759 2 4 5 4
84.54 1.56 1.1461 0 6 5 4
85.18 1.04 1.1392 -4 6 3 4
86.82 1.53 1.1218 3 3 5 4
88.44 1.20 1.1054 0 8 4 4
88.99 1.92 1.1000 -6 0 2 2
89.62 3.04 1.0939 -1 9 3 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.