Brannockite
Armbruster T, Oberhansli R
American Mineralogist 73 (1988) 595-600
Crystal chemistry of double-ring silicates: Structures of sugilite and
brannockite
Sample: small domain
_database_code_amcsd 0001159
CELL PARAMETERS: 10.0020 10.0020 14.2630 90.000 90.000 120.000
SPACE GROUP: P6/mcc
X-RAY WAVELENGTH: 1.541838
Cell Volume: 1235.706
Density (g/cm3): 2.994
MAX. ABS. INTENSITY / VOLUME**2: 27.49840994
RIR: 2.990
RIR based on corundum from Acta Crystallographica A38 (1982) 733-739
2-THETA INTENSITY D-SPACING H K L Multiplicity
10.21 12.64 8.6620 1 0 0 6
12.41 37.97 7.1315 0 0 2 2
16.10 22.44 5.5056 1 0 2 12
17.74 3.11 5.0010 1 1 0 6
20.51 42.98 4.3310 2 0 0 6
21.70 100.00 4.0946 1 1 2 12
24.97 4.65 3.5657 0 0 4 2
27.04 11.05 3.2973 1 0 4 12
27.96 32.81 3.1909 2 1 1 24
30.03 13.50 2.9754 2 1 2 24
30.80 61.96 2.9033 1 1 4 12
30.97 10.48 2.8873 3 0 0 6
32.53 3.00 2.7528 2 0 4 12
33.23 3.81 2.6964 2 1 3 24
33.48 16.32 2.6763 3 0 2 12
35.91 15.53 2.5005 2 2 0 6
37.29 3.21 2.4116 2 1 4 24
37.98 1.44 2.3690 3 1 1 24
38.14 7.45 2.3597 2 2 2 12
40.19 10.32 2.2439 3 0 4 12
41.71 1.08 2.1655 4 0 0 6
42.09 7.29 2.1470 1 1 6 12
42.14 4.14 2.1442 3 1 3 24
43.42 1.39 2.0839 2 0 6 12
44.24 4.33 2.0473 2 2 4 12
45.53 9.22 1.9924 3 1 4 24
45.65 4.18 1.9872 3 2 0 12
47.25 1.29 1.9236 2 1 6 24
48.14 8.80 1.8902 4 1 0 12
48.59 5.49 1.8738 4 1 1 24
49.61 5.58 1.8376 3 1 5 24
49.68 9.18 1.8352 3 0 6 12
49.91 13.81 1.8271 4 1 2 24
51.24 5.24 1.7829 0 0 8 2
52.85 1.26 1.7324 5 0 0 6
53.16 13.99 1.7229 2 2 6 12
54.29 2.02 1.6898 3 1 6 24
54.98 10.61 1.6701 4 1 4 24
55.76 3.60 1.6486 2 0 8 12
56.71 4.47 1.6232 3 3 2 12
57.79 1.70 1.5955 4 2 2 24
59.80 3.18 1.5466 5 1 1 24
60.75 1.62 1.5246 3 2 6 24
60.95 2.30 1.5200 5 1 2 24
61.09 5.03 1.5170 3 0 8 12
61.39 9.17 1.5101 3 3 4 12
62.81 3.03 1.4795 4 1 6 24
64.15 8.27 1.4517 2 2 8 12
64.55 1.33 1.4437 6 0 0 6
65.45 1.36 1.4259 5 1 4 24
65.92 1.15 1.4170 4 3 1 24
66.03 5.58 1.4150 6 0 2 12
67.53 8.27 1.3870 5 2 0 12
67.89 2.11 1.3805 5 2 1 24
68.40 4.07 1.3716 1 1 10 12
68.73 1.74 1.3658 5 1 5 24
68.78 2.03 1.3649 3 3 6 12
68.97 3.56 1.3615 5 2 2 24
70.35 3.09 1.3381 6 0 4 12
71.03 2.20 1.3271 3 2 8 24
71.29 4.02 1.3229 3 1 9 24
71.41 1.39 1.3209 6 1 0 12
72.25 2.24 1.3076 2 1 10 24
72.94 3.01 1.2970 4 1 8 24
74.15 1.74 1.2788 3 0 10 12
74.47 1.62 1.2741 4 3 5 24
78.81 1.10 1.2144 4 1 9 24
80.11 4.20 1.1980 5 2 6 24
83.62 2.06 1.1564 1 1 12 12
85.24 2.98 1.1385 4 1 10 24
87.96 1.30 1.1102 5 1 9 24
89.53 4.76 1.0948 5 2 8 24
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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.