Mineralogy Database

Volynskite Mineral Data

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General Volynskite Information

Help on Chemical  Formula: Chemical Formula: AgBiTe2
Help on Composition: Composition: Molecular Weight = 572.05 gm
   Silver     18.86 %  Ag
   Bismuth    36.53 %  Bi
   Tellurium  44.61 %  Te
             ______ 
             100.00 % 
Help on Empirical Formula: Empirical Formula: AgBiTe2
Help on Environment: Environment: As complex intergrowths with other tellurides in gold ores.
Help on IMA Status: IMA Status: Approved IMA 1965
Help on Locality: Locality: Armenia, Russia. Link to MinDat.org Location Data.
Help on Name Origin: Name Origin: Named for I. S. Volynskii (1900-1947), Polish economic geologist.
Help on Name Pronunciation: Name Pronunciation: Volynskite + Pronunciation Say VOLYNSKITE
Help on Synonym: Synonym: ICSD 43266
  PDF 18-1173
 

Volynskite Image

Click Here for Larger   Image in a New Browser Window Images:
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  Volynskite   Tsumoite

Comments: BSE image of composite grain of volynskite (AgBiTe) and tsumoite (BiTe) associated with sphalerite in chalcopyrite.
Location: Stobie deposit, South Range breccia belt, Supergiant Ni-Cu-PGE Sudbury District, Ontario, Canada. Scale: See Image.
© National Resouces of Canada

Volynskite Crystallography

Help on Axial Ratios: Axial Ratios: a:c = 1:4.64525
Help on Cell Dimensions: Cell Dimensions: a = 4.468, c = 20.755, Z = 3; V = 358.82 Den(Calc)= 7.94
Help on Crystal System: Crystal System: Trigonal - Hexagonal Scalenohedral H-M Symbol (3 2/m) Space Group: P 3m1
Help on X Ray Diffraction: X Ray Diffraction: By Intensity(I/Io): 3.09(1), 2.21(0.5), 2.33(0.3),
 

Physical Properties of Volynskite

Help on Cleavage: Cleavage: {???} Perfect, {???} Imperfect, {???} Imperfect
Help on Color: Color: Lead gray.
Help on Density: Density: 8.01
Help on Diaphaneity: Diaphaneity: Opaque
Help on Fracture: Fracture: Brittle - Generally displayed by glasses and most non-metallic minerals.
Help on Hardness: Hardness: 2.5-3 - Finger Nail-Calcite
Help on Luster: Luster: Metallic
 

Optical Properties of Volynskite

Help on RL Anisotrophism: RL Anisotrophism: Very weak, pale pink to gray.
Help on RL Color: RL Color: Pale purplish.
Help on RL Pleochroism: RL Pleochroism: Very slight in oil.
Help on Reflectivity Reflectivity
Standardized Intensity (100%) Reflection Spectra of Volynskite in Air
λ R1 R2  ∑ R1(λ)   ∑ R2(λ) 
 400 nm   56.40   58.10 
   
 420 nm   56.00   57.70 
 440 nm   55.60   57.30 
 460 nm   55.20   56.90 
 480 nm   54.60   56.30 
 500 nm   53.80   55.50 
 520 nm   53.20   54.90 
 540 nm   53.00   54.60 
 560 nm   53.40   54.70 
 580 nm   54.00   54.90 
 600 nm   54.60   55.10 
 620 nm   55.00   55.50 
 640 nm   55.30   55.60 
 660 nm   55.30   55.80 
 680 nm   55.30   55.80 
 700 nm   55.40   55.80 
Calculated Relative Intensity Colors of Volynskite in Air
Relative
Intensity
   0%   20%   40%   60%   80% 100% 120% 140% 160% 170%
R1                    
R2                    
 

Calculated Properties of Volynskite

Help on Electron Density: Electron Density: Bulk Density (Electron Density)=6.50 gm/cc
note: Specific Gravity of Volynskite =7.94 gm/cc.
Help on Fermion Index: Fermion Index: Fermion Index = 0.03
Boson Index = 0.97
Help on Photoelectric: Photoelectric: PEVolynskite = 938.37 barns/electron
U=PEVolynskite x rElectron Density=6,095.48 barns/cc.
Help on Radioactivity: Radioactivity: GRapi = 0 (Gamma Ray American Petroleum Institute Units)
Volynskite is Not Radioactive
 

Volynskite Classification

Help on  Dana Class: Dana Class: 03.07.01.03 (03)Sulfides - Sulfosalts
  (03.07)where z/y = 2 - (A+)i (A++)j [By Cz], A=metals, B=semi-metals, C=non-metals
  (03.07.01)Matildite Group
 
03.07.01.01 Matildite AgBiS2 P 3m1 3 2/m
 
03.07.01.02 Bohdanowiczite AgBiSe2 P 3m1 3 2/m
 
03.07.01.03 Volynskite AgBiTe2 P 3m1 3 2/m
 
03.07.01.04 Zlatogorite! CuNiSb2 P 3m1 3 2/m
Help on  Strunz Class: Strunz Class: 02.JA.20 02 - SULFIDES and SULFOSALTS (sulfides, selenides, tellurides; arsenides, antimonides, bismuthides; sulfarsenites, sulf
  02.J - Sulfosalts of PbS Archetype
  02.JA -Galena derivatives with little or no Pb
 
02.JA.20 Bohdanowiczite AgBiSe2 P 3m1 3 2/m
 
02.JA.20 Matildite AgBiS2 P 3m1 3 2/m
 
02.JA.20 Volynskite AgBiTe2 P 3m1 3 2/m
 

Other Volynskite Information

Help on References: References: NAME( Dana8) PHYS. PROP.(Enc. of Minerals,2nd ed.,1990) OPTIC PROP.(AntBidBlaNic1)
Help on See Also: See Also: Links to other databases for Volynskite :
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
15 - WWW-MINCRYST

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Volynskite

AgBiTe2
Dana No: 03.07.01.03 Strunz No: 02.JA.20
Locality:

 

Notes:

 

 
   
 


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