Gehlenite
Swainson I P, Dove M T, Schmahl W W, Putnis A
Physics and Chemistry of Minerals 19 (1992) 185-195
Neutron powder diffraction study of the akermanite-gehlenite
solid solution series
Sample: 25% Ak
_database_code_amcsd 0007695
CELL PARAMETERS: 7.7115 7.7115 5.0498 90.000 90.000 90.000
SPACE GROUP: P-42_1m
X-RAY WAVELENGTH: 1.541838
Cell Volume: 300.298
Density (g/cm3): 3.026
MAX. ABS. INTENSITY / VOLUME**2: 22.80873183
RIR: 2.455
RIR based on corundum from Acta Crystallographica A38 (1982) 733-739
2-THETA INTENSITY D-SPACING H K L Multiplicity
16.26 5.99 5.4529 1 1 0 4
17.56 2.74 5.0498 0 0 1 2
21.03 3.20 4.2246 1 0 1 8
23.07 1.47 3.8558 2 0 0 4
24.02 15.35 3.7051 1 1 1 4
25.83 2.57 3.4487 2 1 0 8
29.14 21.06 3.0646 2 0 1 8
31.41 100.00 2.8479 2 1 1 8
32.85 4.58 2.7264 2 2 0 4
35.56 3.07 2.5249 0 0 2 2
36.86 16.38 2.4386 3 1 0 8
37.48 7.71 2.3996 1 0 2 8
37.49 8.77 2.3991 2 2 1 4
39.32 3.53 2.2912 1 1 2 4
39.33 8.91 2.2908 3 0 1 8
41.10 1.84 2.1959 3 1 1 8
44.47 10.88 2.0373 2 1 2 8
46.09 2.52 1.9694 3 2 1 8
47.14 8.58 1.9279 4 0 0 4
48.68 4.68 1.8703 4 1 0 8
49.18 2.61 1.8525 2 2 2 4
50.19 9.88 1.8176 3 3 0 4
52.14 24.28 1.7541 3 1 2 8
52.15 7.58 1.7539 4 1 1 8
53.11 6.35 1.7243 4 2 0 8
53.59 3.28 1.7102 3 3 1 4
56.38 2.35 1.6320 3 2 2 8
57.28 1.61 1.6084 1 1 3 4
61.28 8.33 1.5127 2 1 3 8
63.01 1.87 1.4751 3 3 2 4
64.30 2.01 1.4488 5 1 1 8
65.13 4.54 1.4323 2 2 3 4
65.56 1.60 1.4240 4 2 2 8
66.38 1.80 1.4082 3 0 3 8
67.63 1.83 1.3853 3 1 3 8
68.05 11.73 1.3777 5 2 1 8
68.88 4.08 1.3632 4 4 0 4
71.30 1.33 1.3227 3 2 3 8
71.71 1.33 1.3162 4 3 2 8
71.71 1.40 1.3161 4 4 1 4
73.71 4.10 1.2853 6 0 0 4
75.27 1.52 1.2624 0 0 4 2
76.07 5.13 1.2512 4 1 3 8
76.47 1.72 1.2456 5 2 2 8
77.25 1.41 1.2350 3 3 3 4
77.65 1.68 1.2296 6 1 1 8
81.15 1.95 1.1852 6 2 1 8
82.30 1.07 1.1715 5 3 2 8
82.31 2.72 1.1715 5 4 1 8
84.59 1.01 1.1456 2 2 4 4
84.61 2.34 1.1454 6 0 2 8
85.37 1.39 1.1371 4 3 3 8
85.74 1.55 1.1332 3 0 4 8
86.51 2.75 1.1250 5 1 3 8
86.89 2.58 1.1211 3 1 4 8
89.95 2.47 1.0907 5 2 3 8
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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.