Mineralogy Database

Rudashevskyite Mineral Data

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General Rudashevskyite Information

Help on Chemical  Formula: Chemical Formula: (Fe,Zn)S
Help on Composition: Composition: Molecular Weight = 91.85 gm
   Manganese   2.39 %  Mn
   Zinc       24.92 %  Zn
   Iron       37.09 %  Fe
   Copper      0.69 %  Cu
   Sulfur     34.91 %  S
             100.00 % 
Help on Empirical Formula: Empirical Formula: Fe2+0.61Zn0.35Mn2+0.04Cu0.01S
Help on Environment: Environment: Accessory phase in an enstatite chondrite, EH4. Fe-dominent member of Sphalerite group.
Help on IMA Status: IMA Status: Approved IMA 2005 (Dana # Added)
Help on Locality: Locality: Indarch meteorite, Shusha, Nagorno-Karabakh, Azerbaijan. Link to MinDat.org Location Data.
Help on Name Origin: Name Origin: Named for Nickolay S. Rudashevsky (1944-), St. Petersburg, Russia, for his contributions to study of ore minerals.
Help on Synonym: Synonym: IMA2005-017

Rudashevskyite Image

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Comments: B&W reflected light image of rudashevskyite (Rud) attached to large schreibersite grain (Schr), associated with troilite (Tr), idiomorphic roedderite tablets (Roed), and clinoenstatite (Px) (AmMin, v93:903).
Location: Indarch meteorite, Shusha, Nagorno-Karabakh, Azerbaijan. Scale: See Image.
© American Mineralogist

Rudashevskyite Crystallography

Help on Cell Dimensions: Cell Dimensions: a = 5.426, Z = 6; V = 159.75 Den(Calc)= 5.73
Help on Crystal System: Crystal System: Isometric - Hextetrahedral H-M Symbol (4 3m) Space Group: F43m
Help on X Ray Diffraction: X Ray Diffraction: By Intensity(I/Io): 3.13(1), 1.919(0.5), 1.634(0.4),1.045(0.3), 1.107(0.3), 1.246(0.3), 2.714(0.1),

Physical Properties of Rudashevskyite

Help on Cleavage: Cleavage: Unknown, Unknown, Unknown
Help on Color: Color: Black.
Help on Diaphaneity: Diaphaneity: Opaque
Help on Fracture: Fracture: Brittle - Generally displayed by glasses and most non-metallic minerals.
Help on Habit: Habit: Euhedral Crystals - Occurs as well-formed crystals showing good external form.
Help on Hardness: Hardness: 4 - Fluorite
Help on Luster: Luster: Resinous - Metallic
Help on Streak: Streak: brownish black

Optical Properties of Rudashevskyite

Help on RL Anisotrophism: RL Anisotrophism: None.
Help on RL Bireflectance: RL Bireflectance: Isotropic.
Help on RL Color: RL Color: Gray with distinct brownish tints.
Help on RL Pleochroism: RL Pleochroism: None.
Help on Reflectivity Reflectivity
Standardized Intensity (100%) Reflection Spectra of Rudashevskyite in Air
λ R  ∑ R(λ) 
 400 nm   19.50   
 420 nm   19.50 
 440 nm   19.50 
 460 nm   19.50 
 470 nm   19.60 
 480 nm   19.60 
 500 nm   19.80 
 520 nm   19.90 
 540 nm   20.20 
 546 nm   20.30 
 560 nm   20.50 
 580 nm   20.70 
 589 nm   20.80 
 600 nm   20.90 
 620 nm   20.90 
 640 nm   21.10 
 650 nm   21.10 
 660 nm   21.10 
 680 nm   21.10 
 700 nm   21.20 
Calculated Relative Intensity Colors of Rudashevskyite in Air
   0%   50% 100% 150% 200% 250% 300% 350% 400% 450%

Calculated Properties of Rudashevskyite

Help on Electron Density: Electron Density: Bulk Density (Electron Density)=5.45 gm/cc
note: Specific Gravity of Rudashevskyite =5.73 gm/cc.
Help on Fermion Index: Fermion Index: Fermion Index = 0.02
Boson Index = 0.98
Help on Photoelectric: Photoelectric: PERudashevskyite = 26.68 barns/electron
U=PERudashevskyite x rElectron Density= 145.28 barns/cc.
Help on Radioactivity: Radioactivity: GRapi = 0 (Gamma Ray American Petroleum Institute Units)
Rudashevskyite is Not Radioactive

Rudashevskyite Classification

Help on  Dana Class: Dana Class: (02)Sulfides - Including Selenides and Tellurides
  (02.08)where Am Bn Xp, with (m+n):p=1:1
  (02.08.02)Sphalerite Group (Isometric: F4-3m) Sphalerite (Zn,Fe)S F43m 4 3m Stilleite ZnSe F43m 4 3m Metacinnabar HgS F43m 4 3m Tiemannite HgSe F43m 4 3m Coloradoite HgTe F43m 4 3m Hawleyite CdS F43m 4 3m Rudashevskyite! (Fe,Zn)S F43m 4 3m
Help on  Strunz Class: Strunz Class: 02.CB.05a 02 - SULFIDES and SULFOSALTS (sulfides, selenides, tellurides; arsenides, antimonides, bismuthides; sulfarsenites, sulf
  02.C - Metal Sulfides, M:S = 1:1 (and similar)
  02.CB -With Zn, Fe, Cu, Ag, Au, etc
02.CB.05a Hawleyite CdS F43m 4 3m
02.CB.05a Coloradoite HgTe F43m 4 3m
02.CB.05a Metacinnabar HgS F43m 4 3m
02.CB.05a Sphalerite (Zn,Fe)S F43m 4 3m
02.CB.05a Tiemannite HgSe F43m 4 3m
02.CB.05a Stilleite ZnSe F43m 4 3m
02.CB.05a Rudashevskyite! (Fe,Zn)S F43m 4 3m

Other Rudashevskyite Information

Help on References: References: NAME( AmMin, v93:902) PHYS. PROP.(AmMin, v93:902) OPTIC PROP.(AmMin, v93:902)
Help on See Also: See Also: Links to other databases for Rudashevskyite :
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: 02.CB.05a





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