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: Norway
_database_code_amcsd 0001150
CELL PARAMETERS: 10.1040 10.1040 14.3060 90.000 90.000 120.000
SPACE GROUP: P6/mcc
X-RAY WAVELENGTH: 1.541838
Cell Volume: 1264.840
Density (g/cm3): 2.606
MAX. ABS. INTENSITY / VOLUME**2: 9.808654472
RIR: 1.226
RIR based on corundum from Acta Crystallographica A38 (1982) 733-739
2-THETA INTENSITY D-SPACING H K L Multiplicity
10.11 4.34 8.7503 1 0 0 6
12.37 38.60 7.1530 0 0 2 2
16.00 14.41 5.5381 1 0 2 12
17.55 52.78 5.0520 1 1 0 6
20.30 10.21 4.3752 2 0 0 6
21.53 38.32 4.1266 1 1 2 12
23.84 42.41 3.7323 2 0 2 12
24.90 21.71 3.5765 0 0 4 2
26.93 12.38 3.3106 1 0 4 12
26.96 6.52 3.3073 2 1 0 12
27.68 100.00 3.2223 2 1 1 24
29.76 9.65 3.0020 2 1 2 24
30.63 50.15 2.9191 1 1 4 12
30.65 4.05 2.9168 3 0 0 6
32.33 48.66 2.7690 2 0 4 12
32.96 9.03 2.7177 2 1 3 24
35.54 15.10 2.5260 2 2 0 6
37.04 6.59 2.4269 3 1 0 12
37.59 3.40 2.3927 3 1 1 24
37.77 7.36 2.3818 2 2 2 12
41.76 8.79 2.1629 3 1 3 24
43.25 4.05 2.0919 4 0 2 12
43.88 1.49 2.0633 2 2 4 12
45.15 11.15 2.0082 3 1 4 24
45.17 4.35 2.0075 3 2 0 12
47.62 4.25 1.9095 4 1 0 12
48.07 10.86 1.8927 4 1 1 24
48.80 1.96 1.8662 4 0 4 12
49.23 18.26 1.8508 3 1 5 24
49.37 4.50 1.8460 3 0 6 12
49.40 3.25 1.8449 4 1 2 24
51.08 7.61 1.7882 0 0 8 2
52.27 5.72 1.7501 5 0 0 6
52.80 16.77 1.7339 2 2 6 12
54.43 1.55 1.6858 1 1 8 12
54.47 3.66 1.6844 4 1 4 24
54.49 3.22 1.6840 3 3 0 6
55.51 1.14 1.6553 2 0 8 12
55.57 4.66 1.6537 4 2 0 12
56.11 1.13 1.6392 3 3 2 12
58.08 3.58 1.5883 4 1 5 24
59.14 3.07 1.5622 5 1 1 24
60.27 1.66 1.5357 3 2 6 24
60.30 1.81 1.5350 5 1 2 24
60.75 2.98 1.5245 3 0 8 12
60.80 5.76 1.5236 3 3 4 12
62.19 1.70 1.4926 5 1 3 24
63.77 9.69 1.4595 2 2 8 12
64.80 1.93 1.4388 5 1 4 24
65.11 2.75 1.4327 2 1 9 24
65.16 2.93 1.4317 4 2 5 24
65.30 7.41 1.4290 6 0 2 12
66.76 8.74 1.4012 5 2 0 12
67.08 1.50 1.3952 4 1 7 24
67.12 5.33 1.3945 5 2 1 24
68.06 1.65 1.3775 5 1 5 24
68.12 2.25 1.3765 1 1 10 12
69.08 1.97 1.3598 2 0 10 12
69.13 2.65 1.3588 4 2 6 24
69.62 5.77 1.3504 6 0 4 12
69.98 2.39 1.3443 5 2 3 24
70.53 1.87 1.3353 3 2 8 24
70.87 8.24 1.3297 3 1 9 24
71.91 2.32 1.3130 2 1 10 24
72.44 4.79 1.3046 5 2 4 24
73.71 2.84 1.2852 4 3 5 24
76.61 1.38 1.2438 4 4 2 12
78.25 2.95 1.2217 4 1 9 24
78.84 3.30 1.2141 4 2 8 24
79.13 3.58 1.2103 2 1 11 24
79.22 1.43 1.2092 5 3 3 24
79.31 3.12 1.2080 5 2 6 24
80.16 1.93 1.1973 4 0 10 12
80.24 2.01 1.1964 6 2 2 24
80.68 5.29 1.1909 4 4 4 12
81.58 1.27 1.1800 7 0 4 12
84.60 1.02 1.1455 5 3 5 24
86.91 1.10 1.1209 4 3 8 24
88.69 3.71 1.1029 5 2 8 24
89.63 2.53 1.0938 8 0 0 6
90.00 1.21 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.