Ferri-obertiite
Hawthorne F C, Cooper M A, Grice J D, Ottolini L
American Mineralogist 85 (2000) 236-241
A new anhydrous amphibole from the Eifel region, Germany:
Description and crystal structure of obertiite, NaNa2(Mg3FeTi)Si8O22O2
Note: M1A and M1 are interchanged in the bond length table
Locality: Eifel region, Germany
_database_code_amcsd 0002347
CELL PARAMETERS: 9.7760 17.9190 5.2920 90.000 104.050 90.000
SPACE GROUP: C2/m
X-RAY WAVELENGTH: 1.541838
Cell Volume: 899.299
Density (g/cm3): 3.363
MAX. ABS. INTENSITY / VOLUME**2: 7.577566337
RIR: 0.734
RIR based on corundum from Acta Crystallographica A38 (1982) 733-739
2-THETA INTENSITY D-SPACING H K L Multiplicity
9.87 82.80 8.9595 0 2 0 2
10.55 22.14 8.3820 1 1 0 4
17.27 21.69 5.1337 0 0 1 2
18.23 2.10 4.8677 -1 1 1 4
18.71 3.27 4.7418 2 0 0 2
19.82 13.58 4.4798 0 4 0 2
21.20 17.63 4.1910 2 2 0 4
22.16 19.57 4.0112 1 1 1 4
22.22 11.31 4.0009 -2 0 1 2
26.30 100.00 3.3891 1 3 1 4
26.41 3.73 3.3753 0 4 1 4
26.59 5.97 3.3524 1 5 0 4
27.39 45.95 3.2564 2 4 0 4
28.56 8.31 3.1255 2 0 1 2
28.68 48.41 3.1131 3 1 0 4
29.79 9.72 2.9987 -3 1 1 4
29.92 2.76 2.9865 0 6 0 2
29.94 2.83 2.9840 -2 4 1 4
30.29 33.79 2.9511 2 2 1 4
30.57 1.92 2.9242 -1 5 1 4
32.03 13.45 2.7940 3 3 0 4
33.05 40.98 2.7104 -3 3 1 4
33.15 94.11 2.7027 1 5 1 4
34.75 40.02 2.5815 0 6 1 4
35.01 3.35 2.5633 2 4 1 4
35.50 74.27 2.5289 -2 0 2 2
35.52 1.96 2.5270 2 6 0 4
36.41 5.71 2.4676 0 2 2 4
36.93 7.41 2.4338 -2 2 2 4
37.73 4.76 2.3840 -4 0 1 2
37.95 2.36 2.3709 4 0 0 2
37.95 15.10 2.3707 3 5 0 4
38.83 29.83 2.3190 -3 5 1 4
39.10 15.21 2.3038 -4 2 1 4
39.31 4.13 2.2920 4 2 0 4
39.45 29.59 2.2840 -1 7 1 4
39.82 12.73 2.2638 -3 1 2 4
39.91 5.49 2.2590 3 3 1 4
40.50 1.13 2.2271 0 4 2 4
40.98 9.13 2.2023 -2 4 2 4
41.54 1.84 2.1737 1 7 1 4
41.84 34.99 2.1593 2 6 1 4
42.40 6.78 2.1318 -3 3 2 4
42.48 5.82 2.1281 -1 5 2 4
42.98 1.78 2.1045 -4 4 1 4
43.17 1.13 2.0955 4 4 0 4
44.00 19.02 2.0578 2 0 2 2
44.94 11.28 2.0170 3 5 1 4
45.21 3.99 2.0056 2 2 2 4
45.33 10.73 2.0004 -4 0 2 2
45.60 1.75 1.9894 3 7 0 4
45.89 1.50 1.9774 4 0 1 2
46.52 1.78 1.9524 -4 2 2 4
46.61 15.11 1.9485 1 9 0 4
46.66 1.54 1.9466 0 6 2 4
47.06 1.91 1.9310 4 2 1 4
47.09 1.47 1.9300 -2 6 2 4
47.22 9.04 1.9250 -3 5 2 4
48.25 6.87 1.8862 5 1 0 4
48.69 1.74 1.8700 2 4 2 4
48.88 4.67 1.8632 -4 6 1 4
49.06 1.24 1.8569 4 6 0 4
49.18 11.52 1.8526 -1 9 1 4
49.42 3.05 1.8440 -5 3 1 4
49.93 5.27 1.8266 -4 4 2 4
50.49 2.16 1.8078 5 3 0 4
50.95 1.05 1.7923 1 9 1 4
50.96 1.41 1.7919 0 10 0 2
52.21 1.26 1.7519 -1 1 3 4
52.84 4.13 1.7326 -5 1 2 4
53.04 1.01 1.7266 1 7 2 4
53.55 1.36 1.7112 0 0 3 2
53.76 1.37 1.7052 -5 5 1 4
54.12 1.38 1.6945 2 6 2 4
54.33 10.45 1.6886 -1 3 3 4
54.46 2.34 1.6847 3 9 0 4
54.60 4.61 1.6808 0 2 3 4
54.74 6.71 1.6768 -2 8 2 4
55.75 28.16 1.6488 4 6 1 4
56.52 8.79 1.6282 4 8 0 4
57.39 9.84 1.6055 1 11 0 4
57.52 1.22 1.6022 3 5 2 4
57.98 1.18 1.5907 -1 9 2 4
58.38 5.59 1.5806 6 0 0 2
58.41 19.59 1.5800 -1 5 3 4
59.12 5.68 1.5628 4 0 2 2
59.38 2.30 1.5566 6 2 0 4
59.46 1.61 1.5545 2 10 1 4
59.84 1.47 1.5455 -5 7 1 4
60.10 2.14 1.5395 4 2 2 4
60.92 11.27 1.5208 -6 0 2 2
61.13 8.06 1.5160 1 9 2 4
61.19 1.76 1.5147 1 11 1 4
61.37 19.30 1.5106 -2 6 3 4
61.79 5.48 1.5014 5 5 1 4
61.84 2.12 1.5003 -3 9 2 4
62.16 8.63 1.4933 0 12 0 2
62.56 2.65 1.4848 0 6 3 4
62.92 1.59 1.4772 2 2 3 4
62.99 3.36 1.4756 4 4 2 4
64.21 1.76 1.4505 -1 7 3 4
64.33 5.66 1.4480 3 11 0 4
64.73 2.37 1.4401 -6 4 2 4
64.94 2.13 1.4360 -3 11 1 4
65.12 1.68 1.4324 -4 10 1 4
65.36 27.19 1.4278 -6 6 1 4
65.91 3.34 1.4172 -5 3 3 4
66.39 1.15 1.4080 -3 7 3 4
66.95 1.16 1.3978 -4 6 3 4
68.47 9.62 1.3703 5 1 2 4
69.09 1.17 1.3596 -7 3 1 4
69.58 4.66 1.3512 -5 5 3 4
69.59 1.82 1.3509 7 1 0 4
70.29 3.14 1.3393 5 3 2 4
70.32 5.16 1.3388 2 6 3 4
70.44 8.17 1.3367 1 11 2 4
71.10 2.45 1.3259 -3 11 2 4
72.01 4.82 1.3114 -1 1 4 4
72.07 4.66 1.3105 -5 9 2 4
72.68 6.31 1.3010 -7 5 1 4
73.35 5.64 1.2907 0 12 2 4
73.62 1.60 1.2866 -3 9 3 4
73.68 12.89 1.2858 -2 12 2 4
73.78 1.80 1.2842 -1 3 4 4
73.84 4.36 1.2834 0 0 4 2
73.85 1.53 1.2832 5 5 2 4
73.98 1.01 1.2812 3 5 3 4
74.05 1.74 1.2802 6 6 1 4
75.13 5.82 1.2645 -4 0 4 2
75.79 1.04 1.2551 1 9 3 4
76.74 1.48 1.2419 0 14 1 4
77.29 1.04 1.2345 -1 5 4 4
78.20 1.63 1.2224 -1 13 2 4
78.37 1.18 1.2201 6 0 2 2
78.45 2.39 1.2191 -2 14 1 4
80.80 7.65 1.1894 -5 11 2 4
81.13 2.14 1.1854 8 0 0 2
82.49 4.47 1.1693 2 0 4 2
84.02 1.35 1.1519 -8 4 2 4
84.44 1.86 1.1473 1 15 1 4
85.94 1.53 1.1310 5 9 2 4
86.99 3.88 1.1201 7 9 0 4
86.99 1.37 1.1201 5 3 3 4
87.48 2.11 1.1150 5 13 0 4
88.40 1.25 1.1058 -6 4 4 4
89.20 1.63 1.0980 -7 7 3 4
89.23 1.54 1.0977 3 1 4 4
89.78 1.20 1.0924 3 13 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.