Rippite
Sharygin V V, Doroshkevich A G, Seryotkin Y V, Karmanov N S, Belogub E V,
Moroz T N, Nigmatulina E N, Yelisseyev A P, Vedenyapin V N, Kupriyanov I N
Minerals 10 (2020) 1102
Rippite, K2(Nb,Ti)2(Si4O12)O(O,F), a new K-Nb-cyclosilicate from Chuktukon
Carbonatite Massif, Chadobets Upland, Krasnoyarsk Territory, Russia
Locality: Chuktukon Carbonatite Massif, Russia
_database_code_amcsd 0020927
CELL PARAMETERS: 8.7388 8.7388 8.1277 90.000 90.000 90.000
SPACE GROUP: P4bm
X-RAY WAVELENGTH: 1.541838
Cell Volume: 620.692
Density (g/cm3): 3.192
MAX. ABS. INTENSITY / VOLUME**2: 13.59070196
RIR: 1.386
RIR based on corundum from Acta Crystallographica A38 (1982) 733-739
2-THETA INTENSITY D-SPACING H K L Multiplicity
10.89 3.82 8.1277 0 0 1 1
14.33 86.24 6.1793 1 1 0 4
18.03 4.27 4.9191 1 1 1 4
20.32 94.88 4.3694 2 0 0 4
21.87 99.81 4.0638 0 0 2 1
22.75 34.59 3.9081 2 1 0 8
23.11 10.27 3.8485 2 0 1 4
25.29 71.12 3.5221 2 1 1 8
26.25 50.17 3.3954 1 1 2 4
28.90 49.25 3.0896 2 2 0 4
30.03 85.75 2.9757 2 0 2 4
30.96 1.39 2.8880 2 2 1 4
31.77 62.28 2.8169 2 1 2 8
32.40 100.00 2.7635 3 1 0 8
33.06 3.32 2.7092 0 0 3 1
36.20 2.70 2.4812 1 1 3 4
36.53 9.08 2.4595 2 2 2 4
37.09 2.67 2.4237 3 2 0 8
38.77 4.02 2.3226 3 2 1 8
39.12 2.68 2.3025 2 0 3 4
39.43 11.86 2.2852 3 1 2 8
41.33 3.12 2.1847 4 0 0 4
42.66 15.76 2.1195 4 1 0 8
42.86 2.08 2.1098 4 0 1 4
43.47 1.71 2.0816 3 2 2 8
44.16 6.24 2.0509 4 1 1 8
44.59 32.58 2.0319 0 0 4 1
45.42 1.12 1.9966 3 3 1 4
46.47 42.00 1.9541 4 2 0 8
46.97 7.24 1.9346 3 1 3 8
47.08 13.28 1.9302 1 1 4 4
47.24 11.14 1.9243 4 0 2 4
49.47 12.76 1.8424 2 0 4 4
49.62 9.43 1.8372 3 3 2 4
50.53 5.03 1.8064 3 2 3 8
51.92 28.68 1.7611 4 2 2 8
53.46 22.35 1.7138 5 1 0 8
53.91 3.44 1.7007 4 0 3 4
54.01 12.83 1.6977 2 2 4 4
54.74 2.04 1.6770 5 1 1 8
56.09 2.56 1.6397 3 3 3 4
56.19 22.19 1.6370 3 1 4 8
57.95 3.07 1.5914 5 2 1 8
58.44 20.72 1.5791 5 1 2 8
59.87 13.50 1.5448 4 4 0 4
61.53 2.85 1.5071 5 2 2 8
61.81 7.02 1.5009 2 1 5 8
61.91 6.36 1.4987 5 3 0 8
62.41 5.09 1.4879 4 0 4 4
63.08 2.69 1.4739 5 3 1 8
63.42 5.45 1.4668 4 1 4 8
63.92 4.23 1.4565 6 0 0 4
64.41 1.51 1.4465 3 3 4 4
64.54 7.63 1.4440 4 4 2 4
64.91 3.00 1.4367 6 1 0 8
66.37 18.81 1.4085 4 2 4 8
66.50 1.54 1.4061 5 3 2 8
66.76 1.17 1.4011 3 1 5 8
67.83 6.70 1.3817 6 2 0 8
69.65 3.51 1.3500 3 2 5 8
71.27 4.06 1.3232 1 1 6 4
72.10 8.92 1.3101 5 1 4 8
72.22 13.16 1.3082 6 2 2 8
72.47 2.32 1.3041 4 0 5 4
72.57 2.63 1.3027 6 3 0 8
73.14 3.68 1.2939 2 0 6 4
73.15 1.49 1.2938 5 4 2 8
73.41 1.49 1.2899 4 1 5 8
74.80 1.21 1.2692 6 1 3 8
76.84 1.28 1.2406 2 2 6 4
76.84 2.17 1.2405 6 3 2 8
77.64 5.04 1.2298 4 4 4 4
78.66 1.82 1.2163 3 1 6 8
79.01 2.67 1.2119 6 4 0 8
79.46 7.26 1.2061 5 3 4 8
79.92 1.79 1.2004 7 2 0 8
81.27 3.47 1.1838 6 0 4 4
81.38 1.72 1.1825 3 2 6 8
81.63 1.23 1.1794 5 1 5 8
83.18 3.48 1.1613 6 4 2 8
84.08 4.04 1.1513 4 0 6 4
84.33 2.23 1.1484 5 2 5 8
84.42 4.28 1.1475 7 3 0 8
84.86 5.13 1.1426 6 2 4 8
85.87 2.66 1.1318 3 3 6 4
87.01 1.08 1.1198 4 4 5 4
87.65 3.43 1.1133 4 2 6 8
88.55 3.63 1.1043 7 3 2 8
88.80 1.80 1.1019 5 3 5 8
89.25 1.49 1.0975 7 2 3 8
89.78 1.66 1.0924 8 0 0 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.