Nepheline
Gatta G D, Angel R J
American Mineralogist 92 (2007) 1446-1455
Elastic behavior and pressure-induced structural evolution of nepheline:
Implications for the nature of the modulated superstructure
Locality: intrusive aplite of Snipe River, Tambani, Nyasaland, Malawi
Sample: P = 6.108 GPa
_database_code_amcsd 0004426
CELL PARAMETERS: 9.6189 9.6189 8.1423 90.000 90.000 120.000
SPACE GROUP: P6_3
X-RAY WAVELENGTH: 1.541838
Cell Volume: 652.422
Density (g/cm3): 2.917
MAX. ABS. INTENSITY / VOLUME**2: 6.904317168
RIR: 0.771
RIR based on corundum from Acta Crystallographica A38 (1982) 733-739
2-THETA INTENSITY D-SPACING H K L Multiplicity
18.45 10.33 4.8095 1 1 0 6
21.33 11.49 4.1651 2 0 0 6
21.46 13.12 4.1410 1 1 1 6
21.83 50.59 4.0711 0 0 2 1
24.00 72.64 3.7081 2 0 1 6
24.33 8.42 3.6577 1 0 2 6
28.35 3.46 3.1485 1 2 0 6
28.35 56.83 3.1485 2 1 0 6
30.44 11.94 2.9366 1 2 1 6
30.44 1.78 2.9366 2 1 1 6
30.71 100.00 2.9114 2 0 2 6
32.24 74.90 2.7767 3 0 0 6
34.12 1.57 2.6281 3 0 1 6
34.76 5.49 2.5806 1 0 3 6
36.06 4.80 2.4906 1 2 2 6
36.06 38.91 2.4906 2 1 2 6
37.40 12.96 2.4047 2 2 0 6
38.07 6.39 2.3637 1 1 3 6
38.98 7.05 2.3104 3 1 0 6
38.98 11.21 2.3104 1 3 0 6
39.06 4.38 2.3062 2 2 1 6
39.27 2.44 2.2940 3 0 2 6
39.64 57.61 2.2739 2 0 3 6
40.59 15.84 2.2226 3 1 1 6
40.59 18.43 2.2226 1 3 1 6
43.45 6.64 2.0826 4 0 0 6
43.72 2.90 2.0705 2 2 2 6
44.05 6.23 2.0557 1 2 3 6
44.05 5.26 2.0557 2 1 3 6
44.51 12.11 2.0356 0 0 4 1
44.93 2.30 2.0176 4 0 1 6
45.12 7.25 2.0094 1 3 2 6
45.12 3.19 2.0094 3 1 2 6
45.89 3.10 1.9774 1 0 4 6
46.81 2.83 1.9409 3 0 3 6
47.58 3.19 1.9111 3 2 0 6
48.57 2.44 1.8746 1 1 4 6
48.96 7.42 1.8605 2 3 1 6
48.96 3.32 1.8605 3 2 1 6
49.14 6.85 1.8541 4 0 2 6
49.86 8.54 1.8288 2 0 4 6
50.19 1.46 1.8178 1 4 0 6
50.19 2.96 1.8178 4 1 0 6
51.51 5.69 1.7741 1 4 1 6
51.51 2.70 1.7741 4 1 1 6
51.98 1.41 1.7593 3 1 3 6
51.98 1.48 1.7593 1 3 3 6
52.93 1.23 1.7300 2 3 2 6
52.93 8.47 1.7300 3 2 2 6
55.13 2.04 1.6660 5 0 0 6
55.35 1.17 1.6599 1 4 2 6
55.63 1.65 1.6522 4 0 3 6
56.02 2.99 1.6417 3 0 4 6
56.37 4.65 1.6322 5 0 1 6
58.64 3.93 1.5743 2 4 0 6
58.64 3.29 1.5743 4 2 0 6
59.12 13.96 1.5626 2 3 3 6
59.12 9.07 1.5626 3 2 3 6
59.50 1.15 1.5537 2 2 4 6
59.84 3.69 1.5456 2 4 1 6
59.84 1.33 1.5456 4 2 1 6
59.97 3.75 1.5424 1 1 5 6
60.00 9.16 1.5419 5 0 2 6
60.63 1.05 1.5273 3 1 4 6
61.10 14.24 1.5167 2 0 5 6
61.38 1.26 1.5103 1 4 3 6
61.38 5.26 1.5103 4 1 3 6
62.03 4.65 1.4962 1 5 0 6
62.24 1.03 1.4917 3 3 2 6
63.34 9.02 1.4683 2 4 2 6
64.41 3.13 1.4464 1 2 5 6
65.77 14.02 1.4199 5 0 3 6
66.59 1.77 1.4043 1 5 2 6
67.19 1.09 1.3933 2 3 4 6
67.90 11.29 1.3803 3 3 3 6
68.96 3.58 1.3618 2 4 3 6
69.23 5.85 1.3570 0 0 6 1
69.30 1.33 1.3559 1 4 4 6
70.28 1.22 1.3394 1 0 6 6
70.61 18.15 1.3339 2 5 0 6
70.61 8.09 1.3339 5 2 0 6
70.79 4.13 1.3311 3 1 5 6
70.79 5.15 1.3311 1 3 5 6
72.35 2.21 1.3061 1 1 6 6
72.87 5.02 1.2980 3 4 2 6
73.88 1.84 1.2828 4 0 5 6
74.92 5.11 1.2676 2 5 2 6
76.92 5.03 1.2395 3 2 5 6
76.92 5.62 1.2395 2 3 5 6
77.17 1.88 1.2360 6 0 3 6
78.18 3.14 1.2227 4 3 3 6
78.44 5.69 1.2192 3 0 6 6
78.95 1.75 1.2127 6 1 2 6
81.43 2.30 1.1818 2 2 6 6
81.79 1.17 1.1775 7 0 1 6
82.42 2.54 1.1701 1 3 6 6
82.90 6.08 1.1646 5 0 5 6
84.46 2.98 1.1470 6 0 4 6
84.90 7.77 1.1422 7 0 2 6
85.38 2.25 1.1370 4 0 6 6
85.45 1.04 1.1363 4 3 4 6
85.86 2.24 1.1318 2 4 5 6
85.86 1.08 1.1318 4 2 5 6
87.41 1.56 1.1157 2 5 4 6
89.06 2.43 1.0993 4 4 3 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.