Kukisvumite Mineral Data
General Kukisvumite Information
Chemical Formula:
Na6ZnTi4Si8O28•4(H2O)
Composition:
Molecular Weight = 1,139.58 gm
Sodium 12.10 % Na 16.32 % Na2 O
Titanium 16.81 % Ti 28.04 % TiO2
Zinc 5.74 % Zn 7.14 % ZnO
Silicon 19.72 % Si 42.18 % SiO2
Hydrogen 0.71 % H 6.32 % H2 O
Oxygen 44.93 % O
______ ______
100.00 % 100.00 % = TOTAL OXIDE
Empirical Formula:
Na6 ZnTi4 Si8 O28 •4(H2 O)
Environment:
In pegmatite veins cutting ijolite-urtite rocks in a differentiated alkalic massif.
IMA Status:
Approved IMA 1991
Locality:
At the Korovskii apatite mine, Mt. Kukisvumchorr, Khibiny massif, Kola Peninsula, Russia. Link to MinDat.org Location Data.
Name Origin:
Named for the locality.
Name Pronunciation:
Kukisvumite + Pronunciation
Synonym:
IMA1989-052
Kukisvumite Crystallography
Axial Ratios:
a:b:c =3.3576:1:0.6061
Cell Dimensions:
a = 28.889, b = 8.604, c = 5.215, Z = 2; V = 1,296.25 Den(Calc)= 2.92
Crystal System:
Orthorhombic - Dipyramidal H-M Symbol (2/m 2/m 2/m) Space Group: Pccn
X Ray Diffraction:
By Intensity(I/Io ): 3.009(1), 14.49(0.9), 4.815(0.8),
Physical Properties of Kukisvumite
Cleavage:
None
Color:
Colorless, White.
Density:
2.9
Diaphaneity:
Transparent
Hardness:
5.5-6 - Knife Blade-Orthoclase
Luster:
Vitreous (Glassy)
Streak:
white
Optical Properties of Kukisvumite
Gladstone-Dale:
CI meas = 0.026 (Excellent) - where the CI = (1-KPDmeas /KC ) CI calc = 0.033 (Excellent) - where the CI = (1-KPDcalc /KC )
KPDcalc = 0.2531,KPDmeas = 0.2548,KC = 0.2617 Ncalc = 1.76
Optical Data:
Biaxial (-), a=1.676, b=1.746, g=1.795, bire=0.1190, 2V(Calc)=76, 2V(Meas)=77.
Calculated Properties of Kukisvumite
Electron Density:
Bulk Density (Electron Density)=2.85 gm/cc note: Specific Gravity of Kukisvumite =2.90 gm/cc.
Fermion Index:
Fermion Index = 0.03 Boson Index = 0.97
Photoelectric:
PEKukisvumite = 6.49 barns/electronU=PEKukisvumite x r Electron Density= 18.51 barns/cc.
Radioactivity:
GRapi = 0 (Gamma Ray American Petroleum Institute Units) Kukisvumite is Not Radioactive
Kukisvumite Classification
Dana Class:
65.01.06.02 (65) Inosilicate Single-Width Unbranched Chains, W=1
(65.01) with chains P=2
(65.01.06) Lorenzenite group
65.01.06.01 Lorenzenite Na2Ti2Si2O9 P bcn 2/m 2/m 2/m
65.01.06.02 Kukisvumite Na6ZnTi4Si8O28•4(H2O) Pccn 2/m 2/m 2/m
65.01.06.03 Lintisite Na3LiTi2Si4O14•2(H2O) C 2/c 2/m
65.01.06.04 Manganokukisvumite ! Na6MnTi4Si8O28•4(H2O) Pccn 2/m 2/m 2/m
65.01.06.05 Punkaruaivite ! Li{Ti2(OH)2[Si4O11(OH)]}•H2O C 2/c 2/m
Strunz Class:
09.DB.20 09 - SILICATES (Germanates)
09.D - Inosilicates* Structural terminology according to Liebau (1985)
09.DB -Inosilicates with 2-periodic single chains, Si2O6; Pyroxene-related minerals
09.DB.20 Kukisvumite Na6ZnTi4Si8O28•4(H2O) Pccn 2/m 2/m 2/m
09.DB.20 Manganokukisvumite ! Na6MnTi4Si8O28•4(H2O) Pccn 2/m 2/m 2/m
Other Kukisvumite Information
References:
NAME( AntBidBlaNic2) PHYS. PROP.(37th List of New Min.,Min. Mag.,1996) OPTIC PROP.(37th List of New Min.,Min. Mag.,19)
See Also:
Links to other databases for Kukisvumite :
1 - Am. Min. Crystal Structure Database
2 - Athena
3 - EUROmin Project
4 - Ecole des Mines de Paris
5 - GeoScienceWorld
6 - Google Images
7 - Google Scholar
8 - Handbook of Mineralogy (MinSocAm)
9 - Handbook of Mineralogy (UofA)
10 - MinDAT
11 - Mineralienatlas (Deutsch)
12 - Online Mineral Museum
13 - QUT Mineral Atlas
14 - Ruff.Info
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Kukisvumite
Na6ZnTi4Si8O28•4(H2O)
Dana No: 65.01.06.02 Strunz No: 09.DB.20
Locality:
Notes:
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