Mineralogy Database

Telluronevskite Mineral Data

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General Telluronevskite Information

Help on Chemical  Formula: Chemical Formula: Bi3TeSe2
Help on Composition: Composition: Molecular Weight = 890.10 gm
   Bismuth    68.56 %  Bi
   Tellurium  14.48 %  Te
   Lead        0.47 %  Pb
   Selenium   15.35 %  Se
   Sulfur      1.15 %  S
             100.00 % 
Help on Empirical Formula: Empirical Formula: Bi2.92Pb0.02Te1.01Se1.73S0.32
Help on Environment: Environment: Found in opal-quartz veinlets in "secondary quartzite" formed by contact metamorphism or hydrothermal alteration of volcanic rocks.
Help on IMA Status: IMA Status: Approved IMA 2001 (Dana # Added)
Help on Locality: Locality: Bihorlat Mountains near Kosice in eastern Slovakia, Slovak Republic. Link to MinDat.org Location Data.
Help on Name Origin: Name Origin: Named as the Te analog of nevskite.
Help on Synonym: Synonym: IMA1993-027a

Telluronevskite Image

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Comments: Granular, irregular, metallic grains of telluronevskite in white matrix.
Location: Poruba pod, Vihorlat Mts. in the Slovak Republic. Scale: Picture Size 2 cm.
© Fabre Minerals

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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

Telluronevskite Crystallography

Help on Axial Ratios: Axial Ratios: a:c = 1:5.45262
Help on Cell Dimensions: Cell Dimensions: a = 4.264, c = 23.25, Z = 2; V = 366.09 Den(Calc)= 8.07
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): 3.12(1)(104), 2.28(0.33)(108), 4.66(0.19)(005),1.355(0.18)(1.0.16), 1.935(0.16)(115,0.0.12),

Physical Properties of Telluronevskite

Help on Cleavage: Cleavage: {001} Perfect
Help on Color: Color: Steel gray.
Help on Density: Density: 8.1
Help on Diaphaneity: Diaphaneity: Opaque
Help on Fracture: Fracture: Brittle - Sectile - Brittle fracture with slightly sectile shavings possible.
Help on Habit: Habit: Lath - Shaped like a small, thin plaster lath, tabular (rectangular) in shape.
Help on Habit: Habit: Massive - Granular - Common texture observed in granite and other igneous rock.
Help on Habit: Habit: Prismatic - Crystals Shaped like Slender Prisms (e.g. tourmaline).
Help on Hardness: Hardness: 3.5 - Copper Penny
Help on Luster: Luster: Metallic
Help on Streak: Streak: black

Optical Properties of Telluronevskite

Help on Optical Data: Optical Data: NCalc= 2.24 - from Gladstone-Dale relationship (KC = 0.154) where Ncalc=Dcalc*KC+1
NCalc= 2.25 - from Gladstone-Dale relationship (KC = 0.154) where Ncalc=Dmeas*KC+1
Help on RL Anisotrophism: RL Anisotrophism: Moderate without any strong chromatic effects.
Help on RL Bireflectance: RL Bireflectance: Weak, noticeable in oil (yellowish white to gray).
Help on RL Color: RL Color: White with a yellow tint with no internal reflections were observed.
Help on RL Pleochroism: RL Pleochroism: Gray to bluish gray.
Help on Reflectivity Reflectivity
Standardized Intensity (100%) Reflection Spectra of Telluronevskite in Air
λ R1 R2  ∑ R1(λ)   ∑ R2(λ) 
 420 nm   45.50   42.50 
 440 nm   46.70   44.70 
 460 nm   47.80   45.90 
 470 nm   48.50   46.60 
 480 nm   49.20   46.90 
 500 nm   50.40   48.10 
 520 nm   50.50   48.50 
 540 nm   51.00   48.40 
 546 nm   51.10   48.50 
 560 nm   51.60   49.40 
 589 nm   51.90   49.40 
 600 nm   52.00   49.70 
 620 nm   52.60   50.20 
 640 nm   52.70   50.40 
 650 nm   52.80   50.50 
 660 nm   52.90   50.50 
 680 nm   53.10   50.60 
 700 nm   53.20   50.80 
Calculated Relative Intensity Colors of Telluronevskite in Air
   0%   30%   60%   90% 100% 120% 150% 180% 200%

Calculated Properties of Telluronevskite

Help on Electron Density: Electron Density: Bulk Density (Electron Density)=6.54 gm/cc
note: Specific Gravity of Telluronevskite =8.07 gm/cc.
Help on Fermion Index: Fermion Index: Fermion Index = 0.02
Boson Index = 0.98
Help on Photoelectric: Photoelectric: PETelluronevskite =1,439.18 barns/electron
U=PETelluronevskite x rElectron Density=9,406.67 barns/cc.
Help on Radioactivity: Radioactivity: GRapi = 0 (Gamma Ray American Petroleum Institute Units)
Telluronevskite is Not Radioactive

Telluronevskite 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 Telluronevskite Information

Help on References: References: NAME( AmMin, Vol 86, p 1537) PHYS. PROP.(AmMin, Vol 86, p 1537) OPTIC PROP.(EurJMin, Vol 13, p 177)
Help on See Also: See Also: Links to other databases for Telluronevskite :
1 - Am. Min. Crystal Structure Database
2 - Athena
3 - GeoScienceWorld
4 - Google Images
5 - Google Scholar
6 - Handbook of Mineralogy (MinSocAm)
7 - Handbook of Mineralogy (UofA)
8 - MinDAT
9 - Mineralienatlas (Deutsch)
10 - Online Mineral Museum
11 - QUT Mineral Atlas
12 - Ruff.Info

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Dana No: Strunz No: 02.DC.05b





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