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-Nickenich
_database_code_amcsd 0001152
CELL PARAMETERS: 10.0780 10.0780 14.3190 90.000 90.000 120.000
SPACE GROUP: P6/mcc
X-RAY WAVELENGTH: 1.541838
Cell Volume: 1259.482
Density (g/cm3): 2.581
MAX. ABS. INTENSITY / VOLUME**2: 9.731557975
RIR: 1.228
RIR based on corundum from Acta Crystallographica A38 (1982) 733-739
2-THETA INTENSITY D-SPACING H K L Multiplicity
10.13 3.53 8.7278 1 0 0 6
12.36 31.58 7.1595 0 0 2 2
16.01 18.51 5.5354 1 0 2 12
17.60 63.88 5.0390 1 1 0 6
20.35 12.32 4.3639 2 0 0 6
21.57 28.95 4.1207 1 1 2 12
23.88 43.19 3.7263 2 0 2 12
24.87 24.75 3.5798 0 0 4 2
26.92 15.64 3.3120 1 0 4 12
27.03 4.50 3.2988 2 1 0 12
27.75 100.00 3.2146 2 1 1 24
29.82 10.65 2.9961 2 1 2 24
30.63 41.25 2.9183 1 1 4 12
30.73 1.96 2.9093 3 0 0 6
32.35 50.72 2.7677 2 0 4 12
33.01 9.76 2.7137 2 1 3 24
35.63 13.45 2.5195 2 2 0 6
37.14 6.32 2.4207 3 1 0 12
37.69 4.10 2.3868 3 1 1 24
37.86 5.07 2.3766 2 2 2 12
41.84 8.41 2.1589 3 1 3 24
43.35 4.28 2.0872 4 0 2 12
45.22 12.35 2.0052 3 1 4 24
45.29 4.26 2.0023 3 2 0 12
47.75 3.27 1.9046 4 1 0 12
48.20 11.27 1.8879 4 1 1 24
48.88 1.44 1.8631 4 0 4 12
49.29 18.26 1.8487 3 1 5 24
49.39 3.37 1.8451 3 0 6 12
49.52 2.15 1.8406 4 1 2 24
51.03 7.44 1.7899 0 0 8 2
52.42 5.23 1.7456 5 0 0 6
52.84 16.37 1.7326 2 2 6 12
54.40 2.24 1.6866 1 1 8 12
54.58 2.27 1.6814 4 1 4 24
54.64 3.98 1.6797 3 3 0 6
55.49 1.19 1.6560 2 0 8 12
55.73 4.15 1.6494 4 2 0 12
58.17 3.15 1.5859 4 1 5 24
59.30 4.00 1.5583 5 1 1 24
60.34 1.70 1.5339 3 2 6 24
60.46 2.06 1.5313 5 1 2 24
60.76 2.29 1.5245 3 0 8 12
60.93 5.11 1.5206 3 3 4 12
61.94 1.06 1.4980 4 2 4 24
62.35 2.00 1.4893 5 1 3 24
63.79 9.19 1.4592 2 2 8 12
64.94 1.68 1.4359 5 1 4 24
65.09 2.52 1.4330 2 1 9 24
65.28 3.04 1.4293 4 2 5 24
65.48 6.90 1.4255 6 0 2 12
66.96 7.68 1.3976 5 2 0 12
67.15 1.67 1.3939 4 1 7 24
67.32 4.96 1.3910 5 2 1 24
68.07 1.93 1.3774 1 1 10 12
68.20 2.26 1.3750 5 1 5 24
69.03 2.13 1.3605 2 0 10 12
69.24 2.17 1.3569 4 2 6 24
69.79 4.90 1.3476 6 0 4 12
70.17 2.08 1.3413 5 2 3 24
70.58 1.91 1.3344 3 2 8 24
70.88 8.35 1.3295 3 1 9 24
71.88 2.38 1.3135 2 1 10 24
72.62 5.12 1.3019 5 2 4 24
73.88 2.95 1.2828 4 3 5 24
76.38 1.09 1.2468 7 0 0 6
76.83 1.15 1.2407 4 4 2 12
78.30 2.78 1.2210 4 1 9 24
78.93 2.81 1.2129 4 2 8 24
79.09 3.48 1.2109 2 1 11 24
79.44 1.99 1.2063 5 3 3 24
79.47 2.71 1.2060 5 2 6 24
80.18 1.87 1.1971 4 0 10 12
80.48 1.85 1.1934 6 2 2 24
80.89 4.63 1.1883 4 4 4 12
81.80 1.35 1.1775 7 0 4 12
84.81 1.41 1.1432 5 3 5 24
87.04 1.06 1.1195 4 3 8 24
87.32 1.18 1.1166 5 1 9 24
88.83 3.12 1.1015 5 2 8 24
89.92 2.33 1.0910 8 0 0 6
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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.