Beryl
Gibbs G V, Breck D W, Meagher E P
Lithos 1 (1968) 275-285
Structural refinement of hydrous and anhydrous synthetic beryl,
Al2(Be3Si6)O18 and emerald, Al1.9Cr0.1(Be3Si6)O18
Note: anhydrous beryl
Locality: synthetic
_database_code_amcsd 0019466
CELL PARAMETERS: 9.2120 9.2120 9.1870 90.000 90.000 120.000
SPACE GROUP: P6/mcc
X-RAY WAVELENGTH: 1.541838
Cell Volume: 675.169
Density (g/cm3): 2.644
MAX. ABS. INTENSITY / VOLUME**2: 18.69135783
RIR: 2.302
RIR based on corundum from Acta Crystallographica A38 (1982) 733-739
2-THETA INTENSITY D-SPACING H K L Multiplicity
11.09 100.00 7.9778 1 0 0 6
19.27 3.69 4.6060 1 1 0 6
19.32 24.30 4.5935 0 0 2 2
22.29 6.01 3.9889 2 0 0 6
22.33 17.49 3.9808 1 0 2 12
27.42 55.63 3.2525 1 1 2 12
29.63 2.53 3.0153 2 1 0 12
29.66 12.12 3.0118 2 0 2 12
31.22 57.01 2.8650 2 1 1 24
35.62 14.56 2.5208 2 1 2 24
39.22 4.29 2.2968 0 0 4 2
40.78 1.30 2.2127 3 1 0 12
42.00 4.76 2.1511 3 1 1 24
44.06 2.12 2.0554 1 1 4 12
45.48 2.44 1.9945 4 0 0 6
45.50 1.74 1.9934 3 1 2 24
45.58 6.55 1.9904 2 0 4 12
49.82 2.67 1.8302 3 2 0 12
50.92 6.41 1.7935 3 1 3 24
52.57 4.86 1.7409 4 1 0 12
52.66 7.35 1.7382 3 0 4 12
53.58 5.18 1.7105 4 1 1 24
56.53 1.11 1.6279 4 1 2 24
56.59 7.75 1.6263 2 2 4 12
57.78 3.26 1.5956 5 0 0 6
57.87 1.78 1.5935 3 1 4 24
58.77 3.75 1.5710 3 2 3 24
58.86 1.67 1.5690 2 1 5 24
60.46 3.25 1.5312 0 0 6 2
61.25 9.37 1.5134 4 1 3 24
63.93 2.90 1.4561 3 3 2 12
64.09 3.07 1.4530 1 1 6 12
65.12 4.01 1.4325 4 2 2 24
65.18 4.11 1.4314 3 2 4 24
68.61 2.54 1.3679 5 1 2 24
68.76 2.78 1.3652 2 1 6 24
74.24 2.39 1.2775 5 2 0 12
74.26 5.63 1.2772 6 0 2 12
74.40 1.10 1.2751 2 2 6 12
75.07 4.90 1.2653 5 2 1 24
75.18 3.10 1.2637 4 1 5 24
75.42 2.30 1.2604 4 2 4 24
75.51 1.22 1.2591 3 1 6 24
78.64 1.09 1.2166 6 1 0 12
79.50 4.76 1.2056 4 3 3 24
79.68 4.34 1.2034 2 1 7 24
84.13 1.63 1.1507 6 0 4 12
84.34 2.14 1.1484 0 0 8 2
85.20 1.83 1.1389 4 3 4 24
87.35 2.08 1.1164 5 2 4 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.