Yushkinite Mineral Data

Yushkinite Mineral Data
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General Yushkinite Information

Help on Chemical Formula: Chemical Formula: V1-xS•n(Mg,Al)(OH)2
Help on Composition: Composition: Molecular Weight = 87.39 gm
   Magnesium  11.88 %  Mg
   Aluminum    7.53 %  Al
   Vanadium   23.32 %  V
   Hydrogen    2.31 %  H
   Sulfur     18.35 %  S
   Oxygen     36.62 %  O
             ______ 
             100.00 % 
Help on Empirical Formula: Empirical Formula: V3+0.4S0.50.61(Mg0.7)0.61(Al0.4)(OH)2
Help on Environment: Environment: In quartz-carbonate veins in carbonate rocks.
Help on IMA Status: IMA Status: Approved IMA 1984
Help on Locality: Locality: From Pay-Khoy, in the middle stram of the Silova-Yakha River, Russia. Link to MinDat.org Location Data.
Help on Name Origin: Name Origin: Named for N. P. Yushkin, Russian mineralogist.
Help on Name Pronunciation: Name Pronunciation: Yushkinite + Pronunciation Say YUSHKINITE
 

Yushkinite Image

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Yushkinite

Comments: Veinlet of purple metallic yushkinite in white calcite.
Location: Yushkinite gorge, Yugorskii Peninsula, Polar Urals, Russia. Scale: Picture Size 3 mm.
© Jeff Weissman / Photographic Guide to Mineral Species

Yushkinite Crystallography
Help on Axial Ratios: Axial Ratios: a:c = 1:3.52024
Help on Cell Dimensions: Cell Dimensions: a = 3.21, c = 11.3, Z = 2; V = 100.84 Den(Calc)= 2.88
Help on Crystal System: Crystal System: Trigonal - Ditrigonal PyramidalH-M Symbol (3m) Space Group: P 3m1
Help on X Ray Diffraction: X Ray Diffraction: By Intensity(I/Io): 5.68(1), 1.575(0.6), 2.76(0.6),
 

Physical Properties of Yushkinite

Help on Color: Color: Violet, Red lilac, Pinkish gray.
Help on Density: Density: 2.94
Help on Diaphaneity: Diaphaneity: Opaque
Help on Fracture: Fracture: Plastic - Deforms like soft, plastic materials.
Help on Habit: Habit: Aggregates - Made of numerous individual crystals or clusters.
Help on Habit: Habit: Flakes - Flat, thin crystals or aggregates.
Help on Habit: Habit: Scaly - Morphology like fish scales.
Help on Hardness: Hardness: 1 - Talc
Help on Luster: Luster: Metallic
Help on Streak: Streak: reddish gray
 

Optical Properties of Yushkinite

Help on RL Anisotrophism: RL Anisotrophism: Strong, orange-red with weak lilac tint in isotropic sections, red-lilac to pinkish dark gray.
Help on Reflectivity Reflectivity
Standardized Intensity (100%) Reflection Spectra of Yushkinite in Air
λ R  ∑ R(λ) 
 440 nm   26.00   
 460 nm   22.40 
 480 nm   19.00 
 500 nm   17.60 
 520 nm   17.80 
 540 nm   18.70 
 560 nm   20.70 
 580 nm   23.30 
 600 nm   26.40 
 620 nm   29.60 
 640 nm   32.80 
 660 nm   35.70 
 680 nm   38.20 
 700 nm   40.10 
Calculated Relative Intensity Colors of Yushkinite in Air
Relative
Intensity		    0%   50% 100% 150% 200% 250% 300% 350% 400% 420%
R                    
 

Calculated Properties of Yushkinite

Help on Electron Density: Electron Density: Bulk Density (Electron Density)=2.87 gm/cc
note: Specific Gravity of Yushkinite =2.88 gm/cc.
Help on Fermion Index: Fermion Index: Fermion Index = 0.01
Boson Index = 0.99
Help on Photoelectric: Photoelectric: PEYushkinite = 5.79 barns/electron
U=PEYushkinite x rElectron Density= 16.61 barns/cc.
Help on Radioactivity: Radioactivity: GRapi = 0 (Gamma Ray American Petroleum Institute Units)
Yushkinite is Not Radioactive
 

Yushkinite Classification
Help on Dana Class: Dana Class: 02.14.03.02 (02)Sulfides - Including Selenides and Tellurides
  (02.14)(Hydroxyl or Hydrated)
  (02.14.03)Dana Group
 
02.14.03.01 Haapalaite 2(Fe,Ni)S•1.6(Mg,Fe)(OH)2 R 3m ? 3 2/m
 
02.14.03.02 Yushkinite V1-xS•n(Mg,Al)(OH)2 P 3m1 3m
Help on Strunz Class: Strunz Class: 02.FD.30 02 - SULFIDES and SULFOSALTS (sulfides, selenides, tellurides; arsenides, antimonides, bismuthides; sulfarsenites, sulf
  02.F - Sulfides of Arsenic, Alkalies; Sulfides with Halide, Oxide, Hydroxide, H2O
  02.FD -With O, OH, H2O
 
02.FD.30 Haapalaite 2(Fe,Ni)S•1.6(Mg,Fe)(OH)2 R 3m ? 3 2/m
 
02.FD.30 Valleriite 4(Fe,Cu)S•3(Mg,Al)(OH)2 R 3m 3 2/m
 
02.FD.30 Yushkinite V1-xS•n(Mg,Al)(OH)2 P 3m1 3m
 

Other Yushkinite Information
Help on References: References: NAME( AntBidBlaNic1) PHYS. PROP.(Enc. of Minerals,2nd ed.,1990) OPTIC PROP.(AntBidBlaNic1)
Help on See Also: See Also: Links to other databases for Yushkinite :
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 - Handbook of Mineralogy (UofA)
10 - MinDAT
11 - Mineralienatlas (Deutsch)
12 - Online Mineral Museum
13 - QUT Mineral Atlas
14 - Ruff.Info

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Ask about Yushkinite here :
Ask-A-Mineralogist from the Mineralogical Society of America
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Print or Cut-and-Paste your Yushkinite Specimen Label here :

Yushkinite

V1-xS•n(Mg,Al)(OH)2
Dana No: 02.14.03.02 Strunz No: 02.FD.30
Locality:

 

Notes: