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: Sardinia
_database_code_amcsd 0001155
CELL PARAMETERS: 10.1270 10.1270 14.2880 90.000 90.000 120.000
SPACE GROUP: P6/mcc
X-RAY WAVELENGTH: 1.541838
Cell Volume: 1269.006
Density (g/cm3): 2.630
MAX. ABS. INTENSITY / VOLUME**2: 9.761852811
RIR: 1.209
RIR based on corundum from Acta Crystallographica A38 (1982) 733-739
2-THETA INTENSITY D-SPACING H K L Multiplicity
10.09 5.02 8.7702 1 0 0 6
12.39 43.44 7.1440 0 0 2 2
16.00 25.13 5.5389 1 0 2 12
17.51 47.18 5.0635 1 1 0 6
20.25 15.01 4.3851 2 0 0 6
21.51 45.78 4.1311 1 1 2 12
23.81 36.42 3.7372 2 0 2 12
24.93 19.97 3.5720 0 0 4 2
26.90 2.14 3.3148 2 1 0 12
26.95 19.57 3.3081 1 0 4 12
27.62 100.00 3.2291 2 1 1 24
29.71 13.18 3.0069 2 1 2 24
30.58 4.67 2.9234 3 0 0 6
30.63 52.80 2.9188 1 1 4 12
32.33 45.24 2.7695 2 0 4 12
32.92 10.13 2.7207 2 1 3 24
35.46 17.31 2.5317 2 2 0 6
36.96 5.13 2.4324 3 1 0 12
37.51 4.87 2.3979 3 1 1 24
37.70 8.57 2.3863 2 2 2 12
41.69 7.93 2.1663 3 1 3 24
43.16 3.28 2.0961 4 0 2 12
43.83 2.20 2.0655 2 2 4 12
45.06 4.58 2.0120 3 2 0 12
45.09 14.45 2.0105 3 1 4 24
47.51 5.32 1.9138 4 1 0 12
47.96 10.36 1.8969 4 1 1 24
49.19 18.13 1.8523 3 1 5 24
49.29 4.66 1.8486 4 1 2 24
49.36 4.98 1.8463 3 0 6 12
51.14 8.25 1.7860 0 0 8 2
52.15 6.19 1.7540 5 0 0 6
52.77 18.86 1.7346 2 2 6 12
54.36 3.09 1.6878 3 3 0 6
54.39 3.89 1.6869 4 1 4 24
54.48 1.25 1.6843 1 1 8 12
55.44 3.44 1.6574 4 2 0 12
55.56 1.55 1.6541 2 0 8 12
55.84 1.10 1.6464 4 2 1 24
55.98 1.41 1.6426 3 3 2 12
58.00 2.90 1.5901 4 1 5 24
58.99 3.86 1.5657 5 1 1 24
60.16 2.60 1.5382 5 1 2 24
60.21 2.14 1.5369 3 2 6 24
60.69 6.37 1.5260 3 3 4 12
60.77 3.21 1.5241 3 0 8 12
62.06 2.12 1.4955 5 1 3 24
63.77 10.60 1.4594 2 2 8 12
64.67 1.92 1.4413 5 1 4 24
65.06 3.50 1.4337 4 2 5 24
65.14 8.17 1.4320 6 0 2 12
65.15 2.42 1.4318 2 1 9 24
66.59 9.10 1.4044 5 2 0 12
66.95 4.61 1.3976 5 2 1 24
67.03 1.67 1.3961 4 1 7 24
67.95 2.24 1.3795 5 1 5 24
68.20 2.63 1.3751 1 1 10 12
69.04 1.75 1.3604 4 2 6 24
69.15 1.83 1.3585 2 0 10 12
69.48 5.99 1.3528 6 0 4 12
69.82 1.80 1.3470 5 2 3 24
70.50 2.12 1.3357 3 2 8 24
70.88 8.44 1.3295 3 1 9 24
71.97 2.56 1.3121 2 1 10 24
72.29 3.98 1.3070 5 2 4 24
73.58 2.49 1.2872 4 3 5 24
75.95 1.36 1.2529 7 0 0 6
76.41 1.63 1.2465 4 4 2 12
78.24 2.52 1.2219 4 1 9 24
78.77 2.49 1.2149 4 2 8 24
79.01 1.11 1.2118 6 2 1 24
79.03 1.90 1.2117 5 3 3 24
79.18 3.81 1.2097 5 2 6 24
79.20 3.31 1.2094 2 1 11 24
80.03 1.59 1.1990 6 2 2 24
80.18 1.59 1.1971 4 0 10 12
80.50 5.66 1.1932 4 4 4 12
81.39 1.24 1.1823 7 0 4 12
84.42 1.52 1.1474 5 3 5 24
86.81 1.39 1.1219 4 3 8 24
87.17 1.11 1.1182 5 1 9 24
88.51 1.15 1.1047 7 1 4 24
88.59 4.11 1.1040 5 2 8 24
89.37 2.00 1.0963 8 0 0 6
89.97 1.42 1.0905 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.