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Bogdanovite Mineral Data
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General Bogdanovite Information
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 Chemical Formula: |
(Au,Te,Pb)3(Cu,Fe) |
| Composition: |
Molecular Weight = 592.69 gm |
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Iron 3.20 % Fe |
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Copper 7.08 % Cu |
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Tellurium 21.53 % Te |
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Lead 34.96 % Pb |
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Gold 33.23 % Au |
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______ |
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100.00 % |
| Empirical Formula: |
AuTePbCu0.66Fe2+0.34 |
| Environment: |
Oxidation zone of Au-Te deposits. |
| IMA Status: |
Approved IMA 1979 |
| Locality: |
Dalnii Vostok, Kazakhstan. Link to MinDat.org Location Data. |
| Name Origin: |
Named for Aleksei A. Bogdanov (1907-1971), Russian geologist. |
| Name Pronunciation: |
Bogdanovite + Pronunciation  |
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Bogdanovite Image |
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Images:
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Bogdanovite
Comments: Heavy mineral concentrate with ilmenite (ilm), pyroxene (pyr) and bogdanovite (bgd) grains.
Location: Skaergaard intrusion, Greenland.
Scale: See Images.
© Diederik Visser |
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Bogdanovite Crystallography
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| Cell Dimensions: |
a = 4.088, Z = 1; V = 68.32 Den(Calc)= 14.40 |
| Crystal System: |
Isometric - Hexoctahedral H-M Symbol (4/m 3 2/m) Space Group: P m3m |
| X Ray Diffraction: |
By Intensity(I/Io): 2.36(1), 1.23(0.8), 2.045(0.6), |
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Physical Properties of Bogdanovite
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| Cleavage: |
None |
| Color: |
Brown, Bronze brown, Bluish black. |
| Diaphaneity: |
Opaque |
| Habit: |
Massive - Uniformly indistinguishable crystals forming large masses. |
| Habit: |
Tarnishes - Freshly fractured surfaces form a surface oxidation film |
| Hardness: |
4-4.5 - Between Fluorite and Apatite |
| Luster: |
Sub Metallic |
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Optical Properties of Bogdanovite
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| Reflectivity |
Standardized Intensity (100%) Reflection Spectra of Bogdanovite in Air
| λ |
R1 |
R2 |
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∑ R1(λ) |
∑ R2(λ) |
| 540 nm |
5.60 |
29.50 |
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| 560 nm |
6.10 |
34.50 |
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| 580 nm |
8.40 |
37.60 |
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| 600 nm |
13.50 |
39.20 |
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| 640 nm |
29.50 |
39.80 |
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| 660 nm |
36.20 |
39.00 |
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| 680 nm |
41.20 |
37.70 |
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| 700 nm |
44.90 |
35.70 |
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Calculated Relative Intensity Colors of Bogdanovite in Air
Relative
Intensity |
0% |
100% |
200% |
300% |
400% |
500% |
600% |
700% |
800% |
900% |
1000% |
| R1 |
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| R2 |
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Calculated Properties of Bogdanovite
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| Electron Density: |
Bulk Density (Electron Density)=11.7 gm/cc
note: Specific Gravity of Bogdanovite =14.4 gm/cc.
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| Fermion Index: |
Fermion Index = 0.09
Boson Index = 0.91 |
| Photoelectric: |
PEBogdanovite =1,301.89 barns/electron
U=PEBogdanovite x rElectron Density=15244.64 barns/cc.
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| Radioactivity: |
GRapi = 0 (Gamma Ray American Petroleum Institute Units)
Bogdanovite is Not Radioactive |
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Bogdanovite Classification
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| Dana Class: |
02.02.03.01 (02)Sulfides - Including Selenides and Tellurides |
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(02.02)where Am Bn Xp, with (m+n):p=3:1 |
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(02.02.03)Dana Group |
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02.02.03.01 Bogdanovite (Au,Te,Pb)3(Cu,Fe) P m3m 4/m 3 2/m |
| Strunz Class: |
02.BA.50 02 - SULFIDES and SULFOSALTS (sulfides, selenides, tellurides; arsenides, antimonides, bismuthides; sulfarsenites, sulf |
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02.B - Metal Sulfides, M:S > 1:1 (mainly 2:1) |
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02.BA -With Cu, Ag, Au |
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02.BA.50 Bogdanovite (Au,Te,Pb)3(Cu,Fe) P m3m 4/m 3 2/m |
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Other Bogdanovite Information
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| References: |
NAME( Dana8) PHYS. PROP.(Enc. of Minerals,2nd ed.,1990) |
| 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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Bogdanovite
(Au,Te,Pb)3(Cu,Fe)
Dana No: 02.02.03.01 Strunz No: 02.BA.50
Locality:
Notes:
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