Tantalcarbide Mineral Data


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General Tantalcarbide Information

Help on Chemical  Formula: Chemical Formula: TaC
Help on Composition: Composition: Molecular Weight = 192.96 gm
   Tantalum  93.78 %  Ta
   Carbon     6.22 %  C
            ______ 
            100.00 % 
Help on Empirical Formula: Empirical Formula: TaC
Help on Environment: Environment: Platiniferous placers
Help on IMA Status: IMA Status: Approved IMA 1997 (Dana # Added)
Help on Locality: Locality: The mineral was discovered in the Nizhnetagilsky District in the Middle Urals, Russia, in a collection made by P. Walther at the beginning of the 20th century. Link to MinDat.org Location Data.
Help on Name Origin: Name Origin: The name reflects its composition: tantalum and carbon.
 

Tantalcarbide Image

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Tantalcarbide

Comments: Dark gray metallic tantalcarbide grains in sand.
Location: Nizhnii Tagil Massif, Sverdlovsk District, Middle Urals, Russia. Scale: See Photo.
© Jeff Weissman / Photographic Guide to Mineral Species

Tantalcarbide Crystallography

Help on Crystal System: Crystal System: Isometric - HexoctahedralH-M Symbol (4/m 3 2/m) Space Group: F m3m
Click Here for Large Tantalcarbide Structure Window Crystal Structure:

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Wyckoff R W G , Crystal Structures , 1 (1963) p.85-237, Second edition. Interscience Publishers, New York, New York, rocksalt structure

 

Physical Properties of Tantalcarbide

Help on Color: Color: Yellow gray.
Help on Density: Density: 14.5
Help on Diaphaniety: Diaphaniety: Opaque
Help on Hardness: Hardness: 6-7 - Orthoclase-Quartz
Help on Luster: Luster: Sub Metallic
 

Calculated Properties of Tantalcarbide

Help on Electron Density: Electron Density:

relectron=11.9 gm/cc
note: rTantalcarbide =14.5 gm/cc.

Help on Fermion Index Fermion Index Fermion Index = 0.00079
Boson Index = 0.99921
Help on Photoelectric: Photoelectric:

PETantalcarbide =1,179.24 barns/electron
U=PETantalcarbide x relectron=14001.12 barns/cc.

Help on Radioactivity: Radioactivity: GRapi = 0 (Gamma Ray American Petroleum Institute Units)

Tantalcarbide is Not Radioactive

 

Tantalcarbide Classification

Help on  Dana Class: Dana Class: 1.1.19.4 (1)Native Elements
  (1.1)with metallic elements other than the platinum group
  (1.1.19)Dana Group
 
1.1.19.1 Osbornite TiN F m3m 4/m 3 2/m
 
1.1.19.2 Khamrabaevite (Ti,V,Fe)C F m3m 4/m 3 2/m
 
1.1.19.3 Niobocarbide! (Nb,Ta)C F m3m 4/m 3 2/m
 
1.1.19.4 Tantalcarbide ! TaC F m3m 4/m 3 2/m
Help on  Strunz Class: Strunz Class: I/A.09-60 I - Elements
  I/A - Metallic and intermetallic compounds, Carbides, Nitrides, Phosphides and Silicides
  I/A.09 - Honquiite-Tantalcarbide series
 
I/A.09-10 Hongquiite* TiO F m3m 4/m 3 2/m
 
I/A.09-20 Khamrabaevite (Ti,V,Fe)C F m3m 4/m 3 2/m
 
I/A.09-30 Tongbaite Cr3C2 P nma 2/m 2/m 2/m
 
I/A.09-35 Isovite! (Cr,Fe)23C6 F m3m 4/m 3 2/m
 
I/A.09-40 Haxonite (Fe,Ni)23C6 F m3m 4/m 3 2/m
 
I/A.09-50 Cohenite (Fe,Ni,Co)3C Pbnm 2/m 2/m 2/m
 
I/A.09-55 Niobocarbide! (Nb,Ta)C F m3m 4/m 3 2/m
 
I/A.09-60 Tantalcarbide TaC F m3m 4/m 3 2/m
 

Other Tantalcarbide Information

Help on References: References: NAME( CanMin, 8/99)
Help on See Also: See Also: Links to other databases for Tantalcarbide :
1 -Am. Min. Crystal Structure Database 2 -Athena 3 -Google Images 4 -Google Scholar 5 -Handbook of Mineralogy (UofA) 6 -MinDAT 7 -MinMax(Deutsch) 8 -MinMax(English) 9 -Mineralienatlas (Deutsch) 10 -QUT Mineral Atlas

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Tantalcarbide

TaC
Dana No: 1.1.19.4 Strunz No: I/A.09-60
Locality:

 

Notes:

 

 
   
 
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