Khamrabaevite Mineral Data (original) (raw)

General Khamrabaevite Information

Help on Chemical Formula: Chemical Formula:

(Ti,V,Fe)C

Help on Composition: Composition:

Molecular Weight = 61.61 gm

Titanium 46.63 % Ti

Vanadium 24.81 % V

Iron 9.07 % Fe

Carbon 19.50 % C

______

100.00 %

Help on Empirical Formula: Empirical Formula:

Ti0.6V0+0.3Fe0+0.1C

Help on Environment: Environment:

In amygdaloidal baasaltic porphyries. On the outer portions of cubic suessite crystals.

Help on IMA Status: IMA Status:

Approved IMA 1984

Help on Locality: Locality:

Arashan Mts, Chatkal Ranges, Tadzhikistan. Link to MinDat.org Location Data.

Help on Name Origin: Name Origin:

Named for Ibragim Khamrabaevich Khamrabaeva (1920-), Director, Institute of Geology and Geophysics, Tashkent, Uzbekistan.

Help on Name Pronunciation: Name Pronunciation:

Khamrabaevite + Pronunciation Say KHAMRABAEVITE

Help on Synonym: Synonym:

ICSD 1546

PDF 32-1383

Khamrabaevite Image

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

Click Here for Larger Khamrabaevite Image Khamrabaevite Tistarite Comments: BSE image showing one tistarite (Ti2O3) grain along with khamrabaevite (TiC) and corundum. The cross marks where the electron back-scattered diffraction pattern (shown in Fig. 4) was collected. (AmMin, v94:841. Location: From inside a chondrule from the Allende meteorite.Scale: See Image. © American Mineralogist

Khamrabaevite Crystallography

Help on Cell Dimensions: Cell Dimensions:

a = 4.319, Z = 8; V = 80.57 Den(Calc)= 10.16

Help on Crystal System: Crystal System:

Isometric - HexoctahedralH-M Symbol (4/m 3 2/m) Space Group: F m3m

Help on X Ray Diffraction: X Ray Diffraction:

By Intensity(I/Io): 1.299(1), 2.163(1), 1.529(0.8),

Click Here for Large Khamrabaevite Structure Window Crystal Structure:

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Help on Above

| | Christensen A N , Acta Chemica Scandinavica , A32 (1978) p.89-90, The temperature factor parameters of some transition metal carbides and, nitrides by single crystal X-ray and neutron diffraction, Locality: synthetic | | --------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- |

Physical Properties of Khamrabaevite

Help on Cleavage: Cleavage:

None

Help on Color: Color:

Dark gray.

Help on Density: Density:

10.01

Help on Diaphaneity: Diaphaneity:

Opaque

Help on Fracture: Fracture:

Irregular - Flat surfaces (not cleavage) fractured in an irregular pattern.

Help on Habit: Habit:

Encrustations - Forms crust-like aggregates on matrix.

Help on Hardness: Hardness:

9-9.5

Help on Luster: Luster:

Metallic

Optical Properties of Khamrabaevite

Help on Optical Data: Optical Data:

Isotropic.

Help on Reflectivity Reflectivity

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

λ R ∑ R(λ)
440 nm 46.20
460 nm 46.40
500 nm 47.20
520 nm 47.20
540 nm 47.20
560 nm 47.40
580 nm 47.50
600 nm 47.70
620 nm 47.90
640 nm 48.40
660 nm 49.70
680 nm 50.30
700 nm 50.60

Calculated Relative Intensity Colors of Khamrabaevite in Air

RelativeIntensity 0% 20% 40% 60% 80% 100% 120% 140% 160% 180% 190%
R

Calculated Properties of Khamrabaevite

Help on Electron Density: Electron Density:

Bulk Density (Electron Density)=9.47 gm/cc
note: Specific Gravity of Khamrabaevite =10.2 gm/cc.

Help on Fermion Index: Fermion Index:

Fermion Index = 0.06
Boson Index = 0.94

Help on Photoelectric: Photoelectric:

PEKhamrabaevite = 15.47 barns/electron
U=PEKhamrabaevite x rElectron Density= 146.41 barns/cc.

Help on Radioactivity: Radioactivity:

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

Khamrabaevite Classification

Help on Dana Class: Dana Class:

01.01.19.02 (01)Native Elements

(01.01)with metallic elements other than the platinum group

(01.01.19)Osbornite group carbides and nitrides

01.01.19.01 Osbornite TiN F m3m 4/m 3 2/m

01.01.19.02 Khamrabaevite (Ti,V,Fe)C F m3m 4/m 3 2/m

01.01.19.03 Niobocarbide! (Nb,Ta)C F m3m 4/m 3 2/m

01.01.19.04 Tantalcarbide! TaC F m3m 4/m 3 2/m

Help on Strunz Class: Strunz Class:

01.BA.20 01 - ELEMENTS (Metals and intermetallic alloys; metalloids and nonmetals; carbides, silicides, nitrides, phosphides)

01.B - Metallic Carbides, Silicides, Nitrides and Phosphides

01.BA -Carbides

01.BA.20 Khamrabaevite (Ti,V,Fe)C F m3m 4/m 3 2/m

01.BA.20 Niobocarbide! (Nb,Ta)C F m3m 4/m 3 2/m

01.BA.20 Tantalcarbide! TaC F m3m 4/m 3 2/m

Other Khamrabaevite Information

Help on References: References:

NAME( AntBidBlaNic3) PHYS. PROP.(Enc. of Minerals,2nd ed.,1990) OPTIC PROP.(AntBidBlaNic3)

Help on See Also: See Also:

Links to other databases for Khamrabaevite :
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 - MinDAT
10 - Mineralienatlas (Deutsch)
11 - Online Mineral Museum
12 - QUT Mineral Atlas
13 - Ruff.Info

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Print or Cut-and-Paste your Khamrabaevite Specimen Label here :

Khamrabaevite

(Ti,V,Fe)C
Dana No: 01.01.19.02 Strunz No: 01.BA.20
Locality:

Notes: