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: Antarctica
_database_code_amcsd 0001149
CELL PARAMETERS: 10.0860 10.0860 14.3250 90.000 90.000 120.000
SPACE GROUP: P6/mcc
X-RAY WAVELENGTH: 1.541838
Cell Volume: 1262.011
Density (g/cm3): 2.583
MAX. ABS. INTENSITY / VOLUME**2: 9.878251839
RIR: 1.245
RIR based on corundum from Acta Crystallographica A38 (1982) 733-739
2-THETA INTENSITY D-SPACING H K L Multiplicity
12.36 32.77 7.1625 0 0 2 2
16.00 11.80 5.5385 1 0 2 12
17.59 55.86 5.0430 1 1 0 6
20.33 10.45 4.3674 2 0 0 6
21.55 34.19 4.1235 1 1 2 12
23.86 44.08 3.7288 2 0 2 12
24.86 23.58 3.5812 0 0 4 2
26.91 12.54 3.3136 1 0 4 12
27.01 6.04 3.3014 2 1 0 12
27.73 100.00 3.2171 2 1 1 24
29.80 7.56 2.9982 2 1 2 24
30.62 44.98 2.9199 1 1 4 12
30.71 2.76 2.9116 3 0 0 6
32.33 51.07 2.7693 2 0 4 12
32.98 9.63 2.7156 2 1 3 24
35.61 13.23 2.5215 2 2 0 6
37.11 7.44 2.4226 3 1 0 12
37.66 4.03 2.3887 3 1 1 24
37.83 5.58 2.3784 2 2 2 12
41.81 8.12 2.1604 3 1 3 24
43.32 4.43 2.0888 4 0 2 12
43.91 1.07 2.0617 2 2 4 12
45.19 10.35 2.0066 3 1 4 24
45.25 3.43 2.0039 3 2 0 12
47.71 4.00 1.9061 4 1 0 12
48.16 11.07 1.8894 4 1 1 24
48.85 1.59 1.8644 4 0 4 12
49.26 18.46 1.8499 3 1 5 24
49.36 3.93 1.8462 3 0 6 12
49.48 2.74 1.8420 4 1 2 24
51.00 7.38 1.7906 0 0 8 2
52.14 1.09 1.7541 1 0 8 12
52.37 4.93 1.7469 5 0 0 6
52.81 16.32 1.7337 2 2 6 12
54.37 1.84 1.6874 1 1 8 12
54.54 2.77 1.6826 4 1 4 24
54.59 3.57 1.6810 3 3 0 6
55.46 1.07 1.6568 2 0 8 12
55.68 4.43 1.6507 4 2 0 12
57.17 1.06 1.6113 4 0 6 12
58.13 3.29 1.5870 4 1 5 24
59.25 3.70 1.5595 5 1 1 24
60.30 1.40 1.5349 3 2 6 24
60.40 1.64 1.5325 5 1 2 24
60.72 2.58 1.5253 3 0 8 12
60.88 5.33 1.5217 3 3 4 12
61.89 1.10 1.4991 4 2 4 24
62.30 2.05 1.4904 5 1 3 24
63.75 9.16 1.4599 2 2 8 12
64.89 1.44 1.4370 5 1 4 24
65.05 2.62 1.4337 2 1 9 24
65.23 3.19 1.4303 4 2 5 24
65.42 7.00 1.4266 6 0 2 12
66.90 7.90 1.3987 5 2 0 12
67.11 1.67 1.3948 4 1 7 24
67.26 4.97 1.3921 5 2 1 24
68.04 2.12 1.3780 1 1 10 12
68.15 2.11 1.3760 5 1 5 24
69.00 2.17 1.3612 2 0 10 12
69.19 2.45 1.3578 4 2 6 24
69.73 5.17 1.3486 6 0 4 12
70.11 2.12 1.3423 5 2 3 24
70.53 1.59 1.3352 3 2 8 24
70.84 8.31 1.3302 3 1 9 24
71.84 2.09 1.3141 2 1 10 24
72.56 4.74 1.3028 5 2 4 24
73.81 2.86 1.2838 4 3 5 24
76.76 1.20 1.2417 4 4 2 12
78.25 2.81 1.2217 4 1 9 24
78.87 3.14 1.2137 4 2 8 24
79.04 3.52 1.2114 2 1 11 24
79.37 1.88 1.2073 5 3 3 24
79.40 3.01 1.2068 5 2 6 24
80.13 1.99 1.1978 4 0 10 12
80.40 2.03 1.1943 6 2 2 24
80.82 4.86 1.1892 4 4 4 12
81.72 1.46 1.1783 7 0 4 12
84.73 1.34 1.1440 5 3 5 24
87.26 1.07 1.1173 5 1 9 24
88.76 3.29 1.1023 5 2 8 24
89.83 2.42 1.0918 8 0 0 6
89.99 1.19 1.0903 3 3 10 12
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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.