Mineralogy Database

Nevskite Mineral Data

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General Nevskite Information

Help on Chemical  Formula: Chemical Formula: Bi(Se,S)
Help on Composition: Composition: Molecular Weight = 262.35 gm
   Bismuth   71.69 %  Bi
   Selenium  27.09 %  Se
   Sulfur     1.22 %  S
            100.00 % 
Help on Empirical Formula: Empirical Formula: Bi0.9Se0.9S0.1
Help on Environment: Environment: In quartz-cassiterite veins.
Help on IMA Status: IMA Status: Approved IMA 1984
Help on Locality: Locality: Nevskii tin deposit, northeastern Russia. Link to MinDat.org Location Data.
Help on Name Origin: Name Origin: Named for the locality.
Help on Name Pronunciation: Name Pronunciation: Nevskite Say NEVSKITE
Help on Synonym: Synonym: ICSD 79019
  PDF 37-442

Nevskite Image

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  Ingodite   Telluronevskite   Nevskite

Comments: Intergrown metallic grains of ingodite, telluronevskite, and nevskiite.
Location: Poruba pod Vihorlatom, Vihorlat Mountains, Kosice Slovak Republic. Scale: Specimen Size 2.8 × 1.7 × 1 cm.
© Fabre Minerals

Nevskite Crystallography

Help on Axial Ratios: Axial Ratios: a:c = 1:5.43245
Help on Cell Dimensions: Cell Dimensions: a = 4.197, c = 22.8, Z = 6; V = 347.81 Den(Calc)= 7.51
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): 3.06(1), 2.24(0.4), 3.59(0.4),

Physical Properties of Nevskite

Help on Cleavage: Cleavage: {0001} Perfect
Help on Color: Color: Lead gray.
Help on Diaphaneity: Diaphaneity: Opaque
Help on Habit: Habit: Irregular Grains - Occurs as splotchy, anhedral crystals forming inclusions in other minerals or rocks.
Help on Hardness: Hardness: 3 - Calcite
Help on Luster: Luster: Metallic

Optical Properties of Nevskite

Help on RL Anisotrophism: RL Anisotrophism: Isotropic in basal sections, distinctly anisotropic in perpendicular sections, weak brown to gray.
Help on RL Color: RL Color: White with creamy tinge.

Calculated Properties of Nevskite

Help on Electron Density: Electron Density: Bulk Density (Electron Density)=6.12 gm/cc
note: Specific Gravity of Nevskite =7.51 gm/cc.
Help on Fermion Index: Fermion Index: Fermion Index = 0.02
Boson Index = 0.98
Help on Photoelectric: Photoelectric: PENevskite =1,439.09 barns/electron
U=PENevskite x rElectron Density=8,807.45 barns/cc.
Help on Radioactivity: Radioactivity: GRapi = 0 (Gamma Ray American Petroleum Institute Units)
Nevskite is Not Radioactive

Nevskite 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
  (02.08.20)Tsumoite Group (Trigonal: P-3m1) Tsumoite BiTe P 3m1 3 2/m Sulphotsumoite Bi3Te2S P 3m1 3 2/m Nevskite Bi(Se,S) P 3m1 3 2/m Ingodite Bi(S,Te) P 3m1 3 2/m Telluronevskite! Bi3TeSe2 P 3m1 3 2/m
Help on  Strunz Class: Strunz Class: 02.DC.05b 02 - SULFIDES and SULFOSALTS (sulfides, selenides, tellurides; arsenides, antimonides, bismuthides; sulfarsenites, sulf
  02.D - Metal Sulfides, M:S = 3:4 and 2:3
  02.DC -Variable M:S
02.DC.05b Ingodite Bi(S,Te) P 3m1 3 2/m
02.DC.05b Nevskite Bi(Se,S) P 3m1 3 2/m
02.DC.05b Sulphotsumoite Bi3Te2S P 3m1 3 2/m
02.DC.05b Tsumoite BiTe P 3m1 3 2/m
02.DC.05b Telluronevskite! Bi3TeSe2 P 3m1 3 2/m

Other Nevskite Information

Help on References: References: NAME( AntBidBlaNic2) PHYS. PROP.(Enc. of Minerals,2nd ed.,1990) OPTIC PROP.(AntBidBlaNic1)
Help on See Also: See Also: Links to other databases for Nevskite :
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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Dana No: Strunz No: 02.DC.05b





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