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Khamrabaevite Mineral Data
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General Khamrabaevite Information
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 Chemical Formula: |
(Ti,V,Fe)C |
| Composition: |
Molecular Weight = 61.61 gm |
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Titanium 46.63 % Ti |
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Vanadium 24.81 % V |
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Iron 9.07 % Fe |
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Carbon 19.50 % C |
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______ |
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100.00 % |
| Empirical Formula: |
Ti0.6V0+0.3Fe0+0.1C |
| Environment: |
In amygdaloidal baasaltic porphyries. On the outer portions of cubic suessite crystals. |
| IMA Status: |
Approved IMA 1984 |
| Locality: |
Arashan Mts, Chatkal Ranges, Tadzhikistan. Link to MinDat.org Location Data. |
| Name Origin: |
Named for Ibragim Khamrabaevich Khamrabaeva (1920-), Director, Institute of Geology and Geophysics, Tashkent, Uzbekistan. |
| Name Pronunciation: |
Khamrabaevite + Pronunciation  |
| Synonym: |
ICSD 1546 |
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PDF 32-1383 |
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Khamrabaevite Image |
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Images:
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Tistarite Khamrabaevite
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 |
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Khamrabaevite Crystallography
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| Cell Dimensions: |
a = 4.319, Z = 8; V = 80.57 Den(Calc)= 10.16 |
| Crystal System: |
Isometric - Hexoctahedral H-M Symbol (4/m 3 2/m) Space Group: F m3m |
| X Ray Diffraction: |
By Intensity(I/Io): 1.299(1), 2.163(1), 1.529(0.8), |
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Physical Properties of Khamrabaevite
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| Cleavage: |
None |
| Color: |
Dark gray. |
| Density: |
10.01 |
| Diaphaneity: |
Opaque |
| Fracture: |
Irregular - Flat surfaces (not cleavage) fractured in an irregular pattern. |
| Habit: |
Encrustations - Forms crust-like aggregates on matrix. |
| Hardness: |
9-9.5 |
| Luster: |
Metallic |
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Optical Properties of Khamrabaevite
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| Optical Data: |
Isotropic. |
| Reflectivity |
Standardized Intensity (100%) Reflection Spectra of Khamrabaevite in Air
| λ |
R |
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∑ R(λ) |
| 440 nm |
46.20 |
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| 460 nm |
46.40 |
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| 500 nm |
47.20 |
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| 520 nm |
47.20 |
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| 540 nm |
47.20 |
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| 560 nm |
47.40 |
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| 580 nm |
47.50 |
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| 600 nm |
47.70 |
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| 620 nm |
47.90 |
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| 640 nm |
48.40 |
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| 660 nm |
49.70 |
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| 680 nm |
50.30 |
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| 700 nm |
50.60 |
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Calculated Relative Intensity Colors of Khamrabaevite in Air
Relative
Intensity |
0% |
20% |
40% |
60% |
80% |
100% |
120% |
140% |
160% |
180% |
190% |
| R |
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Calculated Properties of Khamrabaevite
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| Electron Density: |
Bulk Density (Electron Density)=9.47 gm/cc
note: Specific Gravity of Khamrabaevite =10.2 gm/cc.
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| Fermion Index: |
Fermion Index = 0.06
Boson Index = 0.94 |
| Photoelectric: |
PEKhamrabaevite = 15.47 barns/electron
U=PEKhamrabaevite x rElectron Density= 146.41 barns/cc.
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| Radioactivity: |
GRapi = 0 (Gamma Ray American Petroleum Institute Units)
Khamrabaevite is Not Radioactive |
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Khamrabaevite Classification
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| Dana Class: |
01.01.19.02 (01)Native Elements |
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(01.01)with metallic elements other than the platinum group |
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(01.01.19)Osbornite group carbides and nitrides |
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01.01.19.01 Osbornite TiN F m3m 4/m 3 2/m |
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01.01.19.02 Khamrabaevite (Ti,V,Fe)C F m3m 4/m 3 2/m |
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01.01.19.03 Niobocarbide! (Nb,Ta)C F m3m 4/m 3 2/m |
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01.01.19.04 Tantalcarbide! TaC F m3m 4/m 3 2/m |
| Strunz Class: |
01.BA.20 01 - ELEMENTS (Metals and intermetallic alloys; metalloids and nonmetals; carbides, silicides, nitrides, phosphides) |
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01.B - Metallic Carbides, Silicides, Nitrides and Phosphides |
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01.BA -Carbides |
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01.BA.20 Khamrabaevite (Ti,V,Fe)C F m3m 4/m 3 2/m |
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01.BA.20 Niobocarbide! (Nb,Ta)C F m3m 4/m 3 2/m |
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01.BA.20 Tantalcarbide! TaC F m3m 4/m 3 2/m |
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Other Khamrabaevite Information
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| References: |
NAME( AntBidBlaNic3) PHYS. PROP.(Enc. of Minerals,2nd ed.,1990) OPTIC PROP.(AntBidBlaNic3) |
| 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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Khamrabaevite
(Ti,V,Fe)C
Dana No: 01.01.19.02 Strunz No: 01.BA.20
Locality:
Notes:
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