Mineralogy Database

Bogdanovite Mineral Data

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General Bogdanovite Information

Help on Chemical  Formula: Chemical Formula: (Au,Te,Pb)3(Cu,Fe)
Help on Composition: Composition: Molecular Weight = 592.69 gm
   Iron        3.20 %  Fe
   Copper      7.08 %  Cu
   Tellurium  21.53 %  Te
   Lead       34.96 %  Pb
   Gold       33.23 %  Au
             100.00 % 
Help on Empirical Formula: Empirical Formula: AuTePbCu0.66Fe2+0.34
Help on Environment: Environment: Oxidation zone of Au-Te deposits.
Help on IMA Status: IMA Status: Approved IMA 1979
Help on Locality: Locality: Dalnii Vostok, Kazakhstan. Link to MinDat.org Location Data.
Help on Name Origin: Name Origin: Named for Aleksei A. Bogdanov (1907-1971), Russian geologist.
Help on Name Pronunciation: Name Pronunciation: Bogdanovite + Pronunciation Say BOGDANOVITE

Bogdanovite Image

Click Here for Larger   Image in a New Browser Window Images:
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Comments: Heavy mineral concentrate with ilmenite (ilm), pyroxene (pyr) and bogdanovite (bgd) grains.
Location: Skaergaard intrusion, Greenland. Scale: See Images.
© Diederik Visser

Bogdanovite Crystallography

Help on Cell Dimensions: Cell Dimensions: a = 4.088, Z = 1; V = 68.32 Den(Calc)= 14.40
Help on Crystal System: Crystal System: Isometric - Hexoctahedral H-M Symbol (4/m 3 2/m) Space Group: P m3m
Help on X Ray Diffraction: X Ray Diffraction: By Intensity(I/Io): 2.36(1), 1.23(0.8), 2.045(0.6),

Physical Properties of Bogdanovite

Help on Cleavage: Cleavage: None
Help on Color: Color: Brown, Bronze brown, Bluish black.
Help on Diaphaneity: Diaphaneity: Opaque
Help on Habit: Habit: Massive - Uniformly indistinguishable crystals forming large masses.
Help on Habit: Habit: Tarnishes - Freshly fractured surfaces form a surface oxidation film
Help on Hardness: Hardness: 4-4.5 - Between Fluorite and Apatite
Help on Luster: Luster: Sub Metallic

Optical Properties of Bogdanovite

Help on Reflectivity Reflectivity
Standardized Intensity (100%) Reflection Spectra of Bogdanovite in Air
λ R1 R2  ∑ R1(λ)   ∑ R2(λ) 
 540 nm    5.60   29.50 
 560 nm    6.10   34.50 
 580 nm    8.40   37.60 
 600 nm   13.50   39.20 
 640 nm   29.50   39.80 
 660 nm   36.20   39.00 
 680 nm   41.20   37.70 
 700 nm   44.90   35.70 
Calculated Relative Intensity Colors of Bogdanovite in Air
   0% 100% 200% 300% 400% 500% 600% 700% 800% 900% 1000%

Calculated Properties of Bogdanovite

Help on Electron Density: Electron Density: Bulk Density (Electron Density)=11.7 gm/cc
note: Specific Gravity of Bogdanovite =14.4 gm/cc.
Help on Fermion Index: Fermion Index: Fermion Index = 0.09
Boson Index = 0.91
Help on Photoelectric: Photoelectric: PEBogdanovite =1,301.89 barns/electron
U=PEBogdanovite x rElectron Density=15244.64 barns/cc.
Help on Radioactivity: Radioactivity: GRapi = 0 (Gamma Ray American Petroleum Institute Units)
Bogdanovite is Not Radioactive

Bogdanovite Classification

Help on  Dana Class: Dana Class: (02)Sulfides - Including Selenides and Tellurides
  (02.02)where Am Bn Xp, with (m+n):p=3:1
  (02.02.03)Dana Group Bogdanovite (Au,Te,Pb)3(Cu,Fe) P m3m 4/m 3 2/m
Help on  Strunz Class: Strunz Class: 02.BA.50 02 - SULFIDES and SULFOSALTS (sulfides, selenides, tellurides; arsenides, antimonides, bismuthides; sulfarsenites, sulf
  02.B - Metal Sulfides, M:S > 1:1 (mainly 2:1)
  02.BA -With Cu, Ag, Au
02.BA.50 Bogdanovite (Au,Te,Pb)3(Cu,Fe) P m3m 4/m 3 2/m

Other Bogdanovite Information

Help on References: References: NAME( Dana8) PHYS. PROP.(Enc. of Minerals,2nd ed.,1990)
Help on See Also: See Also: Links to other databases for Bogdanovite :
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.BA.50





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