Kyzylkumite Mineral Data (original) (raw)

General Kyzylkumite Information

Help on Chemical Formula: Chemical Formula:

V+++2Ti3O9

Help on Composition: Composition:

Molecular Weight = 389.52 gm

Titanium 36.88 % Ti 61.52 % TiO2

Vanadium 26.16 % V 38.48 % V2O3

Oxygen 36.97 % O

______ ______

100.00 % 100.00 % = TOTAL OXIDE

Help on Empirical Formula: Empirical Formula:

V3+2Ti3O9

Help on Environment: Environment:

Silliceous schists with chlorite, pyrite, and rutile.

Help on IMA Status: IMA Status:

Approved IMA 1981

Help on Locality: Locality:

Kyzul-Kum, Uzbekistan. Link to MinDat.org Location Data.

Help on Name Origin: Name Origin:

Named for the locality.

Help on Name Pronunciation: Name Pronunciation:

Kyzylkumite + Pronunciation Say KYZYLKUMITE

Kyzylkumite Image

Click Here for Larger Kyzylkumite Image in a New Browser Window Images:

Click Here for Larger Kyzylkumite Image Kyzylkumite Comments: A small crystal of kyzylkumite with a triangular face. Location: Koscheka U Deposit, Auminzatau Mtns., Central Kyzylkum Region, Kyzylkum Desert, Uzbekistan.Scale: Picture size 1 mm. © Thomas Witzke / Abraxas-Verlag

Kyzylkumite Crystallography

Help on Axial Ratios: Axial Ratios:

a:b:c =7.3831:1:4.3665

Help on Cell Dimensions: Cell Dimensions:

a = 33.8, b = 4.578, c = 19.99, Z = 18; beta = 93.4° V = 3,087.74 Den(Calc)= 3.77

Help on Crystal System: Crystal System:

MonoclinicSpace Group: Unk

Help on X Ray Diffraction: X Ray Diffraction:

By Intensity(I/Io): 2.92(1), 3.7(0.8), 1.682(0.65),

Physical Properties of Kyzylkumite

Help on Color: Color:

Black.

Help on Density: Density:

3.75

Help on Diaphaneity: Diaphaneity:

Opaque

Help on Habit: Habit:

Granular - Generally occurs as anhedral to subhedral crystals in matrix.

Help on Habit: Habit:

Prismatic - Crystals Shaped like Slender Prisms (e.g. tourmaline).

Help on Hardness: Hardness:

6-6.5 - Orthoclase-Pyrite

Help on Luster: Luster:

Vitreous - Resinous

Optical Properties of Kyzylkumite

Help on Optical Data: Optical Data:

Biaxial (?)

NCalc= 2.32 - from Gladstone-Dale relationship (KC = 0.3491) where Ncalc=Dcalc*KC+1
NCalc= 2.31 - from Gladstone-Dale relationship (KC = 0.3491) where Ncalc=Dmeas*KC+1

Help on RL Anisotrophism: RL Anisotrophism:

Distinct.

Help on Reflectivity Reflectivity

Standardized Intensity (100%) Reflection Spectra of Kyzylkumite in Air

λ R1 R 2 ∑ R1(λ) ∑ R2(λ)
440 nm 14.70 15.80
460 nm 14.60 15.70
480 nm 14.50 15.70
500 nm 14.50 15.80
520 nm 14.60 15.80
540 nm 14.70 16.00
560 nm 14.80 16.20
580 nm 14.80 16.20
600 nm 15.00 16.30
620 nm 15.10 16.40
640 nm 15.20 16.50
660 nm 15.20 16.50

Calculated Relative Intensity Colors of Kyzylkumite in Air

RelativeIntensity 0% 70% 100% 140% 210% 280% 350% 420% 490% 560% 610%
R1
R2

Calculated Properties of Kyzylkumite

Help on Electron Density: Electron Density:

Bulk Density (Electron Density)=3.56 gm/cc
note: Specific Gravity of Kyzylkumite =3.77 gm/cc.

Help on Fermion Index: Fermion Index:

Fermion Index = 0.04
Boson Index = 0.96

Help on Photoelectric: Photoelectric:

PEKyzylkumite = 11.27 barns/electron
U=PEKyzylkumite x rElectron Density= 40.12 barns/cc.

Help on Radioactivity: Radioactivity:

GRapi = 0 (Gamma Ray American Petroleum Institute Units)
Kyzylkumite is Not Radioactive

Kyzylkumite Classification

Help on Dana Class: Dana Class:

08.04.01.03 (08)Multiple Oxides with Nb, Ta, and Ti

(08.04)with miscellaneous formulae

(08.04.01)Schreyerite Group

08.04.01.01 Schreyerite V2Ti3O9 C 2/c 2/m

08.04.01.02 Olkhonskite (Cr,V)2Ti3O9 Unk Mono

08.04.01.03 Kyzylkumite V2Ti3O9 Unk Mono

Help on Strunz Class: Strunz Class:

04.CB.75 04 - OXIDES (Hydroxides, V[5,6] vanadates, arsenites, antimonites, bismuthites, sulfites, selenites, tellurites, iodate

04.C - Metal:Oxygen = 2:3, 3:5, and Similar

04.CB -With medium-sized cations

04.CB.75 Kyzylkumite V2Ti3O9 Unk Mono

Other Kyzylkumite Information

Help on References: References:

NAME( Dana8) PHYS. PROP.(Dana8) OPTIC PROP.(AntBidBlaNic3)

Help on See Also: See Also:

Links to other databases for Kyzylkumite :
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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Ask about Kyzylkumite here :
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Print or Cut-and-Paste your Kyzylkumite Specimen Label here :

Kyzylkumite

V+++2Ti3O9
Dana No: 08.04.01.03 Strunz No: 04.CB.75
Locality:

Notes: