Mineralogy Database

Isovite Mineral Data

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General Isovite Information

Help on Chemical  Formula: Chemical Formula: (Cr,Fe)23C6
Help on Composition: Composition: Molecular Weight = 1,249.48 gm
   Chromium  67.41 %  Cr
   Iron      26.82 %  Fe
   Carbon     5.77 %  C
            100.00 % 
Help on Empirical Formula: Empirical Formula: Cr16.2Fe0+6C6
Help on Environment: Environment: The chromium dominant analog of haxonite. Found in gold-platinum placer concentrates
Help on IMA Status: IMA Status: Approved IMA 1996 (Dana # Added)
Help on Locality: Locality: The Is River, near the town of Is, Isovsky district, Middle Urals, Russia. Link to MinDat.org Location Data.
Help on Name Origin: Name Origin: For the locality.
Help on Synonym: Synonym: IMA1996-039

Isovite Image

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Comments: Dark gray metallic grain of isovite.
Location: Verkhneivinsk, Sverdlovskaya Oblast', Urals Region, Russia. Scale: Grain size 0.7 mm.
© Thomas Witzke / Abraxas-Verlag

Isovite Crystallography

Help on Cell Dimensions: Cell Dimensions: a = 10.65, Z = 4; V = 1,207.95 Den(Calc)= 6.87
Help on Crystal System: Crystal System: Isometric - Hexoctahedral H-M Symbol (4/m 3 2/m) Space Group: F m3m
Help on X Ray Diffraction: X Ray Diffraction: By Intensity(I/Io): 2.05(1), 2.17(0.5), 2.38(0.3),

Physical Properties of Isovite

Help on Color: Color: Iron gray.
Help on Diaphaneity: Diaphaneity: Opaque
Help on Fracture: Fracture: Brittle - Irregular - Very brittle fracture producing irregular fragments
Help on Habit: Habit: Granular - Generally occurs as anhedral to subhedral crystals in matrix.
Help on Hardness: Hardness: 8 - Topaz
Help on Luster: Luster: Metallic
Help on Magnetism: Magnetism: Ferromagnetic

Optical Properties of Isovite

Help on Reflectivity Reflectivity
Standardized Intensity (100%) Reflection Spectra of Isovite in Air
λ R  ∑ R(λ) 
 460 nm   46.70   
 480 nm   42.40 
 540 nm   43.90 
 560 nm   43.30 
 580 nm   47.60 
 600 nm   47.40 
 640 nm   46.20 
 660 nm   45.30 
Calculated Relative Intensity Colors of Isovite in Air
   0%   30%   60%   90% 100% 120% 150% 180% 200%

Calculated Properties of Isovite

Help on Electron Density: Electron Density: Bulk Density (Electron Density)=6.39 gm/cc
note: Specific Gravity of Isovite =6.87 gm/cc.
Help on Fermion Index: Fermion Index: Fermion Index = 0.07
Boson Index = 0.93
Help on Photoelectric: Photoelectric: PEIsovite = 23.92 barns/electron
U=PEIsovite x rElectron Density= 152.77 barns/cc.
Help on Radioactivity: Radioactivity: GRapi = 0 (Gamma Ray American Petroleum Institute Units)
Isovite is Not Radioactive

Isovite Classification

Help on  Dana Class: Dana Class: (01)Native Elements
  (01.01)with metallic elements other than the platinum group
  (01.01.16)Dana Group Cohenite (Fe,Ni,Co)3C Pbnm 2/m 2/m 2/m Haxonite (Fe,Ni)23C6 F m3m 4/m 3 2/m Isovite! (Cr,Fe)23C6 F m3m 4/m 3 2/m
Help on  Strunz Class: Strunz Class: 01.BA.10 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.10 Isovite! (Cr,Fe)23C6 F m3m 4/m 3 2/m
01.BA.10 Haxonite (Fe,Ni)23C6 F m3m 4/m 3 2/m

Other Isovite Information

Help on References: References: NAME( MinRec, V 31, No. 2) PHYS. PROP.(MinRec, V 31, No. 2) OPTIC PROP.(AmMin, v 84, p 1686)
Help on See Also: See Also: Links to other databases for Isovite :
1 - Am. Min. Crystal Structure Database
2 - Athena
3 - GeoScienceWorld
4 - Google Images
5 - Google Scholar
6 - MinDAT
7 - Mineralienatlas (Deutsch)
8 - Online Mineral Museum
9 - QUT Mineral Atlas
10 - Ruff.Info

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Dana No: Strunz No: 01.BA.10





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