Congolite
Dowty E, Clark J R
Zeitschrift fur Kristallographie 138 (1973) 64-99
Crystal-structure refinements for orthorhombic boracite,
Mg3B7O13Cl, and a trigonal, iron-rich analogue
Locality: Bischofferode, Thuringen, Germany
_database_code_amcsd 0010745
CELL PARAMETERS: 8.6120 8.6120 21.0650 90.000 90.000 120.000
SPACE GROUP: R3c
X-RAY WAVELENGTH: 1.541838
Cell Volume: 1353.007
Density (g/cm3): 3.444
MAX. ABS. INTENSITY / VOLUME**2: 16.96706201
RIR: 1.604
RIR based on corundum from Acta Crystallographica A38 (1982) 733-739
2-THETA INTENSITY D-SPACING H K L Multiplicity
14.55 9.11 6.0867 0 1 2 3
20.63 4.16 4.3060 1 1 0 6
20.65 14.51 4.3019 1 0 4 3
25.34 19.49 3.5153 2 0 2 3
25.37 32.07 3.5108 0 0 6 1
29.35 100.00 3.0434 0 2 4 3
32.89 35.53 2.7231 1 2 2 6
32.92 22.91 2.7210 1 1 6 6
36.13 15.35 2.4861 3 0 0 3
41.96 24.22 2.1530 2 2 0 6
42.00 26.04 2.1510 2 0 8 3
43.98 10.45 2.0586 1 3 1 6
43.99 9.44 2.0584 2 2 3 6
44.01 13.03 2.0573 2 1 7 6
44.03 10.29 2.0564 1 1 9 6
44.64 1.44 2.0298 3 1 2 6
44.66 8.30 2.0289 0 3 6 3
44.66 2.25 2.0289 3 0 6 3
47.21 1.05 1.9253 1 3 4 6
47.24 5.20 1.9242 1 2 8 6
49.66 8.70 1.8360 0 4 2 3
49.67 15.61 1.8354 2 2 6 6
49.71 17.49 1.8341 0 2 10 3
52.03 19.65 1.7576 4 0 4 3
52.10 4.14 1.7554 0 0 12 1
54.32 11.88 1.6889 2 3 2 6
54.37 7.71 1.6874 2 1 10 6
56.55 3.12 1.6275 4 1 0 6
56.56 7.41 1.6273 3 2 4 6
56.62 1.62 1.6255 1 1 12 6
58.19 1.02 1.5855 1 4 3 6
58.20 1.14 1.5853 2 3 5 6
58.22 1.01 1.5846 2 2 9 6
58.24 1.30 1.5841 1 2 11 6
60.88 5.23 1.5217 0 4 8 3
62.93 3.81 1.4769 5 0 2 3
62.95 3.18 1.4766 1 4 6 6
62.95 4.71 1.4766 4 1 6 6
62.98 1.37 1.4759 1 3 10 6
63.02 2.56 1.4749 0 1 14 3
64.98 3.41 1.4352 0 5 4 3
65.00 3.08 1.4347 2 3 8 6
65.04 1.75 1.4340 0 3 12 3
65.04 2.28 1.4340 3 0 12 3
66.99 1.54 1.3970 4 2 2 6
67.03 3.12 1.3962 4 0 10 3
67.08 4.32 1.3953 2 0 14 3
68.97 7.54 1.3615 2 4 4 6
69.03 8.37 1.3605 2 2 12 6
72.88 3.44 1.2979 5 0 8 3
72.97 1.14 1.2965 1 0 16 3
76.66 3.46 1.2430 6 0 0 3
76.69 8.24 1.2426 4 2 8 6
76.77 3.85 1.2415 0 2 16 3
80.44 1.15 1.1939 1 5 8 6
80.47 1.98 1.1935 1 4 12 6
82.35 1.10 1.1709 0 4 14 3
85.98 1.17 1.1306 2 5 6 6
86.05 1.81 1.1299 2 3 14 6
87.91 1.49 1.1107 1 3 16 6
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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.