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Bezsmertnovite Mineral Data
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General Bezsmertnovite Information
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 Chemical Formula: |
Au4Cu(Te,Pb) |
| Composition: |
Molecular Weight = 1,002.89 gm |
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Copper 6.34 % Cu |
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Tellurium 8.91 % Te |
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Lead 6.20 % Pb |
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Gold 78.56 % Au |
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______ |
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100.00 % |
| Empirical Formula: |
Au4CuTe0.7Pb0.3 |
| Environment: |
Found in the cementation zone of a volcanogenic gold telluride deposit. |
| IMA Status: |
Approved IMA 1979 |
| Locality: |
Kamchatka, Russia. Link to MinDat.org Location Data. |
| Name Origin: |
Named for Marianna S. Bezsmertnaya (1915-1991) and Valdimir V. Bezsmertny (1912-), Russian geologists. |
| Name Pronunciation: |
Bezsmertnovite + Pronunciation  |
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Bezsmertnovite Crystallography
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| Axial Ratios: |
a:b:c =6.0161:1:4.036 |
| Cell Dimensions: |
a = 24.215, b = 4.025, c = 16.245, Z = 16; V = 1,583.33 Den(Calc)= 16.83 |
| Crystal System: |
Orthorhombic - Dipyramidal H-M Symbol (2/m 2/m 2/m) Space Group: Pmmn |
| X Ray Diffraction: |
By Intensity(I/Io): 1.744(0.9), 2.61(0.8), 3.3(0.7), |
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Physical Properties of Bezsmertnovite
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| Cleavage: |
None |
| Color: |
Bronze, Golden yellow. |
| Density: |
16.3 |
| Diaphaneity: |
Opaque |
| Habit: |
Microscopic Crystals - Crystals visible only with microscopes. |
| Hardness: |
4.5 - Between Fluorite and Apatite |
| Luster: |
Metallic |
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Optical Properties of Bezsmertnovite
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| RL Anisotrophism: |
Weak, in neutral gray shades. |
| RL Color: |
Bright orange yellow. |
| Reflectivity |
Standardized Intensity (100%) Reflection Spectra of Bezsmertnovite in Air
| λ |
R |
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∑ R(λ) |
| 420 nm |
15.10 |
 |
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| 440 nm |
15.10 |
 |
| 460 nm |
15.70 |
 |
| 480 nm |
17.50 |
 |
| 500 nm |
21.20 |
 |
| 520 nm |
29.00 |
 |
| 540 nm |
37.50 |
 |
| 560 nm |
45.60 |
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| 580 nm |
52.40 |
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| 600 nm |
55.70 |
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| 620 nm |
57.40 |
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| 640 nm |
58.30 |
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| 660 nm |
58.70 |
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| 680 nm |
58.60 |
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| 700 nm |
58.20 |
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Calculated Relative Intensity Colors of Bezsmertnovite in Air
Relative
Intensity |
0% |
60% |
100% |
120% |
180% |
240% |
300% |
360% |
420% |
480% |
540% |
| R |
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Calculated Properties of Bezsmertnovite
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| Electron Density: |
Bulk Density (Electron Density)=13.6 gm/cc
note: Specific Gravity of Bezsmertnovite =16.8 gm/cc.
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| Fermion Index: |
Fermion Index = 0.02
Boson Index = 0.98 |
| Photoelectric: |
PEBezsmertnovite =1,474.49 barns/electron
U=PEBezsmertnovite x rElectron Density=20092.18 barns/cc.
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| Radioactivity: |
GRapi = 0 (Gamma Ray American Petroleum Institute Units)
Bezsmertnovite is Not Radioactive |
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Bezsmertnovite Classification
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| Dana Class: |
02.01.05.01 (02)Sulfides - Including Selenides and Tellurides |
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(02.01)where Am Xp, with m:p>3:1 |
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(02.01.05)Dana Group |
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02.01.05.01 Bezsmertnovite Au4Cu(Te,Pb) Pmmn 2/m 2/m 2/m |
| Strunz Class: |
02.BA.45 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.45 Bezsmertnovite Au4Cu(Te,Pb) Pmmn 2/m 2/m 2/m |
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Other Bezsmertnovite Information
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| References: |
NAME( Dana8) PHYS. PROP.(Enc. of Minerals,2nd ed.,1990) OPTIC PROP.(AntBidBlaNic1) |
| See Also: |
Links to other databases for Bezsmertnovite :
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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Bezsmertnovite
Au4Cu(Te,Pb)
Dana No: 02.01.05.01 Strunz No: 02.BA.45
Locality:
Notes:
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