Chivruaiite
Men'shikov Y P, Krivovichev S V, Pakhomovsky Y A, Yakovenchuk V N,
Ivanyuk G Yu, Mikhailova J A, Armbruster T, Selivanova E A
American Mineralogist 91 (2006) 922-928
Chivruaiite, Ca4(Ti,Nb)5[(Si6O17)2|(OH,O)5]*13-14H2O, a new mineral
from hydrothermal veins of Khibiny and Lovozero alkaline massifs
Locality: Chivruai River valley, Kola peninsula, Russia
_database_code_amcsd 0004161
CELL PARAMETERS: 7.1918 23.1660 6.9472 90.000 90.000 90.000
SPACE GROUP: Cmmm
X-RAY WAVELENGTH: 1.541838
Cell Volume: 1157.440
Density (g/cm3): 2.355
MAX. ABS. INTENSITY / VOLUME**2: 14.83562664
RIR: 2.052
RIR based on corundum from Acta Crystallographica A38 (1982) 733-739
2-THETA INTENSITY D-SPACING H K L Multiplicity
7.63 100.00 11.5830 0 2 0 2
12.74 42.01 6.9472 0 0 1 2
12.89 12.97 6.8684 1 1 0 4
14.87 1.79 5.9578 0 2 1 4
16.85 15.48 5.2628 1 3 0 4
18.16 2.98 4.8843 1 1 1 8
19.96 11.61 4.4485 0 4 1 4
21.18 1.33 4.1950 1 3 1 8
24.76 9.06 3.5959 2 0 0 2
25.65 1.30 3.4736 0 0 2 2
25.94 10.16 3.4342 2 2 0 4
26.41 13.85 3.3748 0 6 1 4
26.79 1.42 3.3272 0 2 2 4
27.94 4.64 3.1935 2 0 1 4
28.80 2.01 3.0997 1 1 2 8
29.00 19.21 3.0786 2 2 1 8
29.23 21.17 3.0549 2 4 0 4
30.00 27.05 2.9789 0 4 2 4
30.84 8.93 2.8991 1 3 2 8
32.00 2.46 2.7965 2 4 1 8
32.45 7.99 2.7591 1 7 1 8
34.07 11.80 2.6314 2 6 0 4
34.60 3.58 2.5924 1 5 2 8
34.74 14.57 2.5823 0 6 2 4
35.95 2.85 2.4983 2 0 2 4
36.80 3.08 2.4422 2 2 2 8
37.10 3.82 2.4235 1 9 0 4
39.27 1.23 2.2940 2 4 2 8
39.65 1.94 2.2732 1 7 2 8
40.56 1.48 2.2242 0 8 2 4
42.02 3.36 2.1502 0 4 3 4
42.46 2.95 2.1291 3 5 0 4
43.13 2.78 2.0975 2 6 2 8
44.84 1.09 2.0211 1 11 0 4
45.68 1.46 1.9859 0 6 3 4
47.07 2.27 1.9305 0 12 0 2
48.10 4.68 1.8916 2 8 2 8
48.55 1.79 1.8752 2 10 1 8
50.78 4.54 1.7980 4 0 0 2
51.43 2.04 1.7767 4 2 0 4
52.14 1.37 1.7543 3 9 0 4
52.37 1.98 1.7469 1 11 2 8
52.65 3.00 1.7384 2 6 3 8
52.70 5.26 1.7368 0 0 4 2
53.34 1.18 1.7176 0 2 4 4
53.98 8.23 1.6987 2 10 2 8
55.09 1.37 1.6669 4 4 1 8
56.16 2.01 1.6378 0 10 3 4
56.52 1.02 1.6281 3 3 3 8
57.00 1.36 1.6157 2 8 3 8
58.34 1.12 1.5818 4 2 2 8
60.11 5.23 1.5393 4 4 2 8
60.62 2.58 1.5276 2 12 2 8
60.62 1.42 1.5275 4 8 0 4
61.41 2.00 1.5099 2 4 4 8
61.71 1.49 1.5032 2 14 0 4
62.23 1.99 1.4918 4 8 1 8
64.26 2.93 1.4495 2 6 4 8
66.20 1.12 1.4117 1 9 4 8
66.92 1.10 1.3983 4 8 2 8
67.96 1.29 1.3793 4 4 3 8
70.06 1.35 1.3431 2 16 0 4
70.46 1.19 1.3364 0 16 2 4
72.85 1.01 1.2983 3 15 0 4
73.53 1.20 1.2880 2 2 5 8
76.22 1.01 1.2492 4 0 4 4
76.74 1.05 1.2420 4 2 4 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.