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: Oregon
_database_code_amcsd 0001156
CELL PARAMETERS: 10.1370 10.1370 14.3080 90.000 90.000 120.000
SPACE GROUP: P6/mcc
X-RAY WAVELENGTH: 1.541838
Cell Volume: 1273.293
Density (g/cm3): 2.631
MAX. ABS. INTENSITY / VOLUME**2: 9.681485704
RIR: 1.198
RIR based on corundum from Acta Crystallographica A38 (1982) 733-739
2-THETA INTENSITY D-SPACING H K L Multiplicity
10.08 8.07 8.7789 1 0 0 6
12.37 44.91 7.1540 0 0 2 2
15.98 29.25 5.5458 1 0 2 12
17.50 45.63 5.0685 1 1 0 6
20.23 16.76 4.3894 2 0 0 6
21.49 49.32 4.1357 1 1 2 12
23.78 32.28 3.7413 2 0 2 12
24.89 19.48 3.5770 0 0 4 2
26.87 1.77 3.3181 2 1 0 12
26.92 21.11 3.3126 1 0 4 12
27.60 100.00 3.2323 2 1 1 24
29.68 14.41 3.0101 2 1 2 24
30.55 5.72 2.9263 3 0 0 6
30.59 56.47 2.9225 1 1 4 12
32.28 41.52 2.7729 2 0 4 12
32.88 9.77 2.7238 2 1 3 24
35.42 16.88 2.5343 2 2 0 6
36.92 4.88 2.4348 3 1 0 12
36.95 1.15 2.4326 2 1 4 24
37.47 4.63 2.4003 3 1 1 24
37.66 8.47 2.3888 2 2 2 12
41.65 7.95 2.1686 3 1 3 24
43.11 2.32 2.0982 4 0 2 12
43.78 1.85 2.0679 2 2 4 12
45.01 4.70 2.0140 3 2 0 12
45.04 14.89 2.0128 3 1 4 24
46.92 1.07 1.9364 2 1 6 24
47.46 5.95 1.9157 4 1 0 12
47.91 10.02 1.8988 4 1 1 24
49.13 18.28 1.8544 3 1 5 24
49.24 5.47 1.8505 4 1 2 24
49.29 5.66 1.8486 3 0 6 12
51.07 7.89 1.7885 0 0 8 2
52.09 6.59 1.7558 5 0 0 6
52.71 17.80 1.7367 2 2 6 12
54.30 2.81 1.6895 3 3 0 6
54.32 4.90 1.6888 4 1 4 24
55.38 2.64 1.6591 4 2 0 12
55.48 2.19 1.6563 2 0 8 12
55.78 1.06 1.6480 4 2 1 24
55.92 1.72 1.6443 3 3 2 12
57.93 2.94 1.5919 4 1 5 24
58.93 3.48 1.5672 5 1 1 24
60.09 2.50 1.5398 5 1 2 24
60.14 2.12 1.5387 3 2 6 24
60.61 6.86 1.5277 3 3 4 12
60.69 3.72 1.5260 3 0 8 12
61.99 2.02 1.4970 5 1 3 24
63.68 9.68 1.4613 2 2 8 12
64.60 1.87 1.4428 5 1 4 24
64.98 3.60 1.4353 4 2 5 24
65.06 2.43 1.4337 2 1 9 24
65.07 7.42 1.4335 6 0 2 12
66.52 9.85 1.4057 5 2 0 12
66.88 4.56 1.3990 5 2 1 24
66.94 1.62 1.3978 4 1 7 24
67.87 2.08 1.3810 5 1 5 24
68.09 3.01 1.3770 1 1 10 12
68.95 1.08 1.3619 4 2 6 24
69.04 1.28 1.3604 2 0 10 12
69.40 5.45 1.3542 6 0 4 12
69.74 1.81 1.3484 5 2 3 24
70.41 1.98 1.3373 3 2 8 24
70.78 8.15 1.3312 3 1 9 24
71.86 2.41 1.3139 2 1 10 24
72.21 3.64 1.3083 5 2 4 24
73.49 2.45 1.2886 4 3 5 24
75.86 1.31 1.2541 7 0 0 6
76.32 1.27 1.2477 4 4 2 12
78.12 2.50 1.2234 4 1 9 24
78.66 1.70 1.2163 4 2 8 24
78.92 1.10 1.2130 6 2 1 24
78.93 1.77 1.2129 5 3 3 24
79.08 3.43 1.2110 2 1 11 24
79.08 4.44 1.2110 5 2 6 24
80.06 1.11 1.1986 4 0 10 12
80.40 5.10 1.1944 4 4 4 12
81.29 1.31 1.1835 7 0 4 12
84.31 1.46 1.1487 5 3 5 24
86.69 1.31 1.1232 4 3 8 24
88.40 1.41 1.1058 7 1 4 24
88.46 4.65 1.1052 5 2 8 24
89.26 1.55 1.0974 8 0 0 6
89.83 1.64 1.0919 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.