Mineralogy Database

Ingodite Mineral Data

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General Ingodite Information

Help on Chemical  Formula: Chemical Formula: Bi(S,Te)
Help on Composition: Composition: Molecular Weight = 264.93 gm
   Bismuth    78.88 %  Bi
   Tellurium  12.04 %  Te
   Sulfur      9.08 %  S
             100.00 % 
Help on Empirical Formula: Empirical Formula: BiS0.75Te0.25
Help on IMA Status: IMA Status: Approved IMA 1981
Help on Locality: Locality: From the Ingoda deposit near the source of the Ingoda River, central Transbaikal. Link to MinDat.org Location Data.
Help on Name Origin: Name Origin: Named after the locality.
Help on Name Pronunciation: Name Pronunciation: Ingodite Say INGODITE

Ingodite 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

Ingodite Crystallography

Help on Axial Ratios: Axial Ratios: a:c = 1:5.4661
Help on Cell Dimensions: Cell Dimensions: a = 4.248, c = 23.22, Z = 6; V = 362.88 Den(Calc)= 7.27
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): 3.11(1), 2.28(0.6), 2.13(0.5),

Physical Properties of Ingodite

Help on Cleavage: Cleavage: {???} Perfect
Help on Color: Color: Silver white.
Help on Diaphaneity: Diaphaneity: Opaque
Help on Fracture: Fracture: Brittle - Generally displayed by glasses and most non-metallic minerals.
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 Ingodite

Help on RL Anisotrophism: RL Anisotrophism: Moderate.
Help on RL Pleochroism: RL Pleochroism: Noticeable in air, from creamy to grayish white.
Help on Reflectivity Reflectivity
Standardized Intensity (100%) Reflection Spectra of Ingodite in Air
λ R1 R2  ∑ R1(λ)   ∑ R2(λ) 
 460 nm   55.50   51.40 
 540 nm   57.70   52.50 
 580 nm   57.80   52.40 
 660 nm   56.90   51.60 
Calculated Relative Intensity Colors of Ingodite in Air
   0%   20%   40%   60%   80% 100% 120% 140% 160% 180%

Calculated Properties of Ingodite

Help on Electron Density: Electron Density: Bulk Density (Electron Density)=5.93 gm/cc
note: Specific Gravity of Ingodite =7.27 gm/cc.
Help on Fermion Index: Fermion Index: Fermion Index = 0.01
Boson Index = 0.99
Help on Photoelectric: Photoelectric: PEIngodite =1,602.85 barns/electron
U=PEIngodite x rElectron Density=9,500.58 barns/cc.
Help on Radioactivity: Radioactivity: GRapi = 0 (Gamma Ray American Petroleum Institute Units)
Ingodite is Not Radioactive

Ingodite 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 Ingodite 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 Ingodite :
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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