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Teallite Mineral Data

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General Teallite Information

Help on Chemical Formula: Chemical Formula: PbSnS2
Help on Composition: Composition: Molecular Weight = 390.04 gm
   Tin     30.44 %  Sn
   Lead    53.12 %  Pb
   Sulfur  16.44 %  S
          ______ 
          100.00 % 
Help on Empirical Formula: Empirical Formula: PbSnS2
Help on Environment: Environment: A hydrothermal mineral found in tin veins, sometimes an important ore.
Help on IMA Status: IMA Status: Valid Species (Pre-IMA) 1904
Help on Locality: Locality: Silver mines of Santa Rosa, Antequera, Bolivia. Link to MinDat.org Location Data.
Help on Name Origin: Name Origin: Named for Jethro Justinian Harris Teall (1849-1924), Director of the Geological Survey of Great Britain and Ireland.
Help on Name Pronunciation: Name Pronunciation: Teallite Say TEALLITE
 

Teallite Image

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  Teallite

Comments: Gray, metallic vein of coarsely crystalline teallite.
Location: Carguaycollo mine (type locality), Potosí , Bolivia. Scale: 4.5x4x2.5 cm.
© Fabre Minerals

Teallite Crystallography
Help on Axial Ratios: Axial Ratios: a:b:c =0.3735:1:0.3581
Help on Cell Dimensions: Cell Dimensions: a = 4.266, b = 11.419, c = 4.09, Z = 2; V = 199.24 Den(Calc)= 6.50
Help on Crystal System: Crystal System: Orthorhombic - Dipyramidal H-M Symbol (2/m 2/m 2/m) Space Group: Pbnm
Help on X Ray Diffraction: X Ray Diffraction: By Intensity(I/Io): 2.856(1), 3.327(0.16), 3.416(0.1),
Help on Forms: Forms:

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Help on Above

Forms: ( 0 2 1) ( 1 0 1) ( 1 1 1) ( 0 1 1) ( 1 1 0) ( 0 0 1)

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Physical Properties of Teallite

Help on Cleavage: Cleavage: {001} Perfect
Help on Color: Color: Lead gray, Grayish black, Iron gray.
Help on Density: Density: 6.4
Help on Diaphaneity: Diaphaneity: Opaque
Help on Fracture: Fracture: Elastic - Fragments which spring back after bending.
Help on Habit: Habit: Micaceous - Platy texture with "flexible" plates.
Help on Hardness: Hardness: 1.5-2 - Talc-Gypsum
Help on Luster: Luster: Metallic
Help on Streak: Streak: black
 

Optical Properties of Teallite

Help on RL Anisotrophism: RL Anisotrophism: Distinct to rather high.
Help on RL Color: RL Color: White with a slight yellow tint.
Help on RL Pleochroism: RL Pleochroism: Weak, in white with light golden tint to pure white.
Help on Reflectivity Reflectivity
Standardized Intensity (100%) Reflection Spectra of Teallite in Air
λ R1 R2  ∑ R1(λ)   ∑ R2(λ) 
 400 nm   41.90   48.20 
   
 420 nm   42.60   48.90 
 440 nm   43.30   49.60 
 460 nm   43.70   49.60 
 480 nm   43.80   49.40 
 500 nm   43.80   48.70 
 520 nm   43.60   48.00 
 540 nm   43.40   47.20 
 560 nm   43.10   46.60 
 580 nm   42.70   46.00 
 600 nm   42.20   45.40 
 620 nm   41.60   44.90 
 640 nm   41.10   44.40 
 660 nm   40.60   44.00 
 680 nm   40.10   43.60 
 700 nm   39.60   43.20 
Calculated Relative Intensity Colors of Teallite in Air
Relative
Intensity		    0%   30%   60%   90% 100% 120% 150% 180% 210% 220%
R1                    
R2                    
 

Calculated Properties of Teallite

Help on Electron Density: Electron Density: Bulk Density (Electron Density)=5.47 gm/cc
note: Specific Gravity of Teallite =6.50 gm/cc.
Help on Fermion Index: Fermion Index: Fermion Index = 0.16
Boson Index = 0.84
Help on Photoelectric: Photoelectric: PETeallite =1,070.38 barns/electron
U=PETeallite x rElectron Density=5,850.80 barns/cc.
Help on Radioactivity: Radioactivity: GRapi = 0 (Gamma Ray American Petroleum Institute Units)
Teallite is Not Radioactive
 

Teallite Classification
Help on Dana Class: Dana Class: 02.09.10.01 (02)Sulfides - Including Selenides and Tellurides
  (02.09)where Am Bn Xp, with (m+n):p=1:1
  (02.09.10)Dana Group
 
02.09.10.01 Teallite PbSnS2 Pbnm 2/m 2/m 2/m
Help on Strunz Class: Strunz Class: 02.CD.05 02 - SULFIDES and SULFOSALTS (sulfides, selenides, tellurides; arsenides, antimonides, bismuthides; sulfarsenites, sulf
  02.C - Metal Sulfides, M:S = 1:1 (and similar)
  02.CD -With Sn, Pb, Hg, etc.
 
02.CD.05 Herzenbergite SnS Pbnm 2/m 2/m 2/m
 
02.CD.05 Teallite PbSnS2 Pbnm 2/m 2/m 2/m
 

Other Teallite 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 Teallite :
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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Teallite

PbSnS2
Dana No: 02.09.10.01 Strunz No: 02.CD.05
Locality:

 

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