Mineralogy Database

Sulphotsumoite Mineral Data

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General Sulphotsumoite Information

Help on Chemical  Formula: Chemical Formula: Bi3Te2S
Help on Composition: Composition: Molecular Weight = 914.21 gm
   Bismuth    68.58 %  Bi
   Tellurium  27.91 %  Te
   Sulfur      3.51 %  S
             100.00 % 
Help on Empirical Formula: Empirical Formula: Bi3Te2S
Help on Environment: Environment: Of hydrothermal origin, with other bismuth tellurides.
Help on IMA Status: IMA Status: Approved IMA 1982
Help on Locality: Locality: Magadan and Egerlyakh deposit, Yakutia, Russia. Link to MinDat.org Location Data.
Help on Name Origin: Name Origin: Named in allusion to the chemical relationship with tsumoite.
Help on Name Pronunciation: Name Pronunciation: Sulphotsumoite + Pronunciation Say SULPHOTSUMOITE

Sulphotsumoite Image

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Comments: Dark gray sulphotsumoite, tarnishing, foliated in milky quartz.
Location: Mina de la Carcel, Zacatecas, Mexico. Scale: See Photo.
© Jeff Weissman / Photographic Guide to Mineral Species

Sulphotsumoite Crystallography

Help on Axial Ratios: Axial Ratios: a:c = 1:5.42863
Help on Cell Dimensions: Cell Dimensions: a = 4.316, c = 23.43, Z = 2; V = 377.98 Den(Calc)= 8.03
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): 3.16(1), 2.32(0.6), 2.16(0.5),

Physical Properties of Sulphotsumoite

Help on Cleavage: Cleavage: {???} Perfect
Help on Color: Color: Gray white.
Help on Diaphaneity: Diaphaneity: Opaque
Help on Fracture: Fracture: Brittle - Generally displayed by glasses and most non-metallic minerals.
Help on Habit: Habit: Aggregates - Made of numerous individual crystals or clusters.
Help on Habit: Habit: Massive - Uniformly indistinguishable crystals forming large masses.
Help on Hardness: Hardness: 2.5 - Finger Nail
Help on Luster: Luster: Metallic

Optical Properties of Sulphotsumoite

Help on Reflectivity Reflectivity
Standardized Intensity (100%) Reflection Spectra of Sulphotsumoite in Air
λ R1 R2  ∑ R1(λ)   ∑ R2(λ) 
 420 nm   51.80   53.80 
 440 nm   51.80   54.10 
 460 nm   52.00   54.70 
 480 nm   52.30   55.30 
 500 nm   52.70   56.00 
 520 nm   53.20   56.70 
 540 nm   53.60   57.30 
 560 nm   53.80   57.80 
 580 nm   53.90   58.00 
 600 nm   53.80   58.00 
 620 nm   53.70   58.00 
 640 nm   53.60   58.00 
 660 nm   53.60   57.90 
 680 nm   53.60   57.90 
 700 nm   53.60   57.80 
Calculated Relative Intensity Colors of Sulphotsumoite in Air
   0%   20%   40%   60%   80% 100% 120% 140% 160% 170%

Calculated Properties of Sulphotsumoite

Help on Electron Density: Electron Density: Bulk Density (Electron Density)=6.48 gm/cc
note: Specific Gravity of Sulphotsumoite =8.03 gm/cc.
Help on Fermion Index: Fermion Index: Fermion Index = 0.02
Boson Index = 0.98
Help on Photoelectric: Photoelectric: PESulphotsumoite =1,473.38 barns/electron
U=PESulphotsumoite x rElectron Density=9,550.83 barns/cc.
Help on Radioactivity: Radioactivity: GRapi = 0 (Gamma Ray American Petroleum Institute Units)
Sulphotsumoite is Not Radioactive

Sulphotsumoite 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 Sulphotsumoite 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 Sulphotsumoite :
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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