Osumilite
Armbruster T, Oberhansli R
American Mineralogist 73 (1988) 585-594
Crystal chemistry of double-ring silicates: Structural, chemical, and optical
variation in osumilites
Sample: Eifel-B93
_database_code_amcsd 0001151
CELL PARAMETERS: 10.0710 10.0710 14.3030 90.000 90.000 120.000
SPACE GROUP: P6/mcc
X-RAY WAVELENGTH: 1.541838
Cell Volume: 1256.328
Density (g/cm3): 2.676
MAX. ABS. INTENSITY / VOLUME**2: 9.470745676
RIR: 1.152
RIR based on corundum from Acta Crystallographica A38 (1982) 733-739
2-THETA INTENSITY D-SPACING H K L Multiplicity
10.14 22.97 8.7217 1 0 0 6
12.38 50.39 7.1515 0 0 2 2
16.03 42.68 5.5301 1 0 2 12
17.61 41.67 5.0355 1 1 0 6
20.36 22.75 4.3609 2 0 0 6
21.58 52.31 4.1173 1 1 2 12
23.90 27.81 3.7232 2 0 2 12
24.90 19.11 3.5758 0 0 4 2
26.95 25.51 3.3085 1 0 4 12
27.05 1.38 3.2965 2 1 0 12
27.77 100.00 3.2123 2 1 1 24
29.84 22.62 2.9938 2 1 2 24
30.67 59.08 2.9155 1 1 4 12
30.75 5.01 2.9072 3 0 0 6
32.38 39.21 2.7651 2 0 4 12
33.04 9.04 2.7115 2 1 3 24
33.27 1.15 2.6932 3 0 2 12
35.66 19.18 2.5178 2 2 0 6
37.09 3.42 2.4237 2 1 4 24
37.17 3.47 2.4190 3 1 0 12
37.72 3.84 2.3851 3 1 1 24
37.88 9.39 2.3749 2 2 2 12
41.88 8.62 2.1572 3 1 3 24
43.39 2.21 2.0856 4 0 2 12
43.98 2.47 2.0586 2 2 4 12
45.26 17.89 2.0036 3 1 4 24
45.32 7.14 2.0009 3 2 0 12
47.04 1.72 1.9317 2 1 6 24
47.79 5.52 1.9032 4 1 0 12
48.24 11.11 1.8866 4 1 1 24
49.34 18.45 1.8471 3 1 5 24
49.44 5.64 1.8434 3 0 6 12
49.56 5.01 1.8392 4 1 2 24
51.09 8.44 1.7879 0 0 8 2
52.46 6.28 1.7443 5 0 0 6
52.89 20.49 1.7310 2 2 6 12
54.01 1.96 1.6979 3 1 6 24
54.63 5.25 1.6801 4 1 4 24
54.68 2.65 1.6785 3 3 0 6
55.55 2.16 1.6542 2 0 8 12
55.77 2.59 1.6483 4 2 0 12
56.30 1.77 1.6341 3 3 2 12
58.22 3.03 1.5846 4 1 5 24
59.35 4.11 1.5572 5 1 1 24
60.40 2.81 1.5326 3 2 6 24
60.50 3.26 1.5302 5 1 2 24
60.82 3.68 1.5229 3 0 8 12
60.98 7.13 1.5194 3 3 4 12
62.40 1.93 1.4882 5 1 3 24
63.86 11.07 1.4577 2 2 8 12
65.00 2.78 1.4348 5 1 4 24
65.17 2.56 1.4315 2 1 9 24
65.34 2.63 1.4281 4 2 5 24
65.53 8.35 1.4245 6 0 2 12
67.01 9.71 1.3966 5 2 0 12
67.22 1.56 1.3927 4 1 7 24
67.37 4.85 1.3900 5 2 1 24
68.15 2.88 1.3759 1 1 10 12
68.26 2.31 1.3740 5 1 5 24
69.12 1.35 1.3591 2 0 10 12
69.31 1.11 1.3557 4 2 6 24
69.85 5.95 1.3466 6 0 4 12
70.23 2.11 1.3403 5 2 3 24
70.65 2.85 1.3332 3 2 8 24
70.96 7.97 1.3282 3 1 9 24
71.97 3.32 1.3121 2 1 10 24
72.68 3.26 1.3009 5 2 4 24
73.94 3.07 1.2818 4 3 5 24
76.45 1.25 1.2460 7 0 0 6
76.90 1.66 1.2398 4 4 2 12
78.39 2.65 1.2199 4 1 9 24
79.01 1.71 1.2118 4 2 8 24
79.19 3.34 1.2096 2 1 11 24
79.51 1.92 1.2055 5 3 3 24
79.55 3.87 1.2050 5 2 6 24
80.27 1.30 1.1960 4 0 10 12
80.55 1.04 1.1926 6 2 2 24
80.97 5.21 1.1874 4 4 4 12
84.89 1.37 1.1423 5 3 5 24
87.13 1.31 1.1186 4 3 8 24
87.42 1.20 1.1156 5 1 9 24
88.93 4.17 1.1006 5 2 8 24
89.06 1.31 1.0993 7 1 4 24
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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.