Normandite
Perchiazzi N, McDonald A M, Gault R A, Johnsen O, Merlino S
The Canadian Mineralogist 38 (2000) 641-648
The crystal structure of normandite and its crystal-chemical
relationships with lavenite
Locality: Amdrup Fjord
_database_code_amcsd 0005649
CELL PARAMETERS: 10.7980 9.8350 7.0900 90.000 108.080 90.000
SPACE GROUP: P2_1/a
X-RAY WAVELENGTH: 1.541838
Cell Volume: 715.769
Density (g/cm3): 3.553
MAX. ABS. INTENSITY / VOLUME**2: 19.31677954
RIR: 1.770
RIR based on corundum from Acta Crystallographica A38 (1982) 733-739
2-THETA INTENSITY D-SPACING H K L Multiplicity
13.14 19.28 6.7399 0 0 1 2
15.94 1.47 5.5597 0 1 1 4
16.07 4.69 5.5156 -1 1 1 4
17.28 5.55 5.1324 2 0 0 2
20.02 1.95 4.4349 1 2 0 4
22.47 19.84 3.9564 -1 2 1 4
24.85 3.77 3.5824 2 0 1 2
25.08 2.12 3.5507 2 2 0 4
26.48 8.90 3.3661 2 1 1 4
26.87 2.67 3.3176 -3 1 1 4
27.60 30.04 3.2316 3 1 0 4
28.29 1.59 3.1549 -2 1 2 4
28.58 1.53 3.1229 1 3 0 4
30.39 2.16 2.9415 -1 3 1 4
31.10 100.00 2.8753 -1 2 2 4
31.22 1.13 2.8645 -3 2 1 4
31.86 62.43 2.8086 3 2 0 4
32.20 6.47 2.7798 0 2 2 4
32.41 7.49 2.7628 2 3 0 4
32.47 6.84 2.7578 -2 2 2 4
32.72 1.74 2.7367 1 3 1 4
33.28 4.43 2.6921 -4 0 1 2
36.14 9.38 2.4853 2 0 2 2
36.55 4.49 2.4588 0 4 0 2
36.86 10.20 2.4388 -4 0 2 2
37.32 4.75 2.4095 2 1 2 4
37.62 8.00 2.3911 1 4 0 4
37.71 1.53 2.3857 3 2 1 4
38.01 6.93 2.3672 3 3 0 4
38.01 2.49 2.3671 -4 1 2 4
38.30 2.97 2.3499 0 3 2 4
38.53 3.58 2.3365 -2 3 2 4
39.61 4.95 2.2751 4 2 0 4
41.22 5.42 2.1898 1 3 2 4
41.65 5.83 2.1684 -3 3 2 4
42.60 2.56 2.1221 -1 2 3 4
44.85 1.02 2.0207 4 3 0 4
45.11 6.31 2.0097 5 1 0 4
45.68 3.52 1.9863 0 4 2 4
45.82 7.62 1.9805 2 3 2 4
45.87 1.16 1.9782 -2 4 2 4
46.41 4.65 1.9567 -4 3 2 4
47.04 1.78 1.9319 1 5 0 4
48.23 2.10 1.8868 1 4 2 4
48.61 2.26 1.8730 -3 4 2 4
50.25 1.47 1.8155 -4 4 1 4
51.23 1.06 1.7832 5 1 1 4
51.57 18.63 1.7722 -2 0 4 2
51.88 2.08 1.7622 4 1 2 4
52.34 12.62 1.7479 2 4 2 4
52.36 1.41 1.7472 1 3 3 4
52.68 1.32 1.7374 2 2 3 4
52.78 2.67 1.7345 -6 1 2 4
52.88 14.91 1.7315 -4 4 2 4
53.61 1.08 1.7095 -5 2 3 4
53.75 1.73 1.7053 3 5 0 4
54.07 2.59 1.6960 -2 4 3 4
54.44 9.16 1.6855 6 1 0 4
56.25 6.19 1.6353 1 5 2 4
56.59 6.67 1.6263 -3 5 2 4
58.74 1.94 1.5719 4 3 2 4
58.99 3.43 1.5657 1 1 4 4
59.17 1.14 1.5615 2 6 0 4
59.56 2.27 1.5521 -6 3 2 4
59.92 1.03 1.5437 -6 2 3 4
59.98 1.68 1.5424 2 5 2 4
60.37 7.39 1.5333 5 1 2 4
61.10 3.11 1.5167 6 3 0 4
61.34 5.78 1.5113 -7 1 2 4
61.43 4.97 1.5094 1 2 4 4
62.39 7.05 1.4884 -5 2 4 4
62.42 2.79 1.4878 -1 6 2 4
62.56 1.02 1.4848 -4 3 4 4
62.87 3.28 1.4783 3 6 0 4
63.07 1.26 1.4740 0 6 2 4
63.23 1.16 1.4707 -2 6 2 4
63.72 1.05 1.4604 -7 2 2 4
64.85 3.27 1.4377 -2 4 4 4
65.37 1.57 1.4276 1 3 4 4
65.41 1.25 1.4268 -1 4 4 4
65.72 1.06 1.4208 -3 4 4 4
65.75 2.22 1.4203 5 5 0 4
66.67 1.43 1.4029 5 3 2 4
67.59 1.00 1.3860 -7 3 2 4
67.84 4.82 1.3814 4 6 0 4
69.35 3.89 1.3551 2 7 0 4
71.65 1.29 1.3172 -7 1 4 4
77.41 2.40 1.2328 4 1 4 4
77.67 1.24 1.2294 0 8 0 2
78.33 1.65 1.2207 1 8 0 4
79.15 1.74 1.2101 -8 1 4 4
83.13 1.19 1.1620 4 3 4 4
84.30 2.65 1.1488 -3 2 6 4
85.33 1.37 1.1375 8 4 0 4
85.97 1.23 1.1307 -5 6 4 4
88.43 1.43 1.1055 4 7 2 4
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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.