Bilibinskite Mineral Data

General Bilibinskite Information

Chemical Formula:

Au3Cu2PbTe2

Composition:

Molecular Weight = 1,180.39 gm

Copper 10.77 % Cu

Tellurium 21.62 % Te

Lead 17.55 % Pb

Gold 50.06 % Au

______

100.00 %

Empirical Formula:

Au₃Cu₂PbTe₂

Environment:

Weathering zone of gold-telluride deposits.

IMA Status:

Approved IMA 1978

Locality:

Far Eastern region, Russia. Link to MinDat.org Location Data.

Name Origin:

Named for Yuri A. Bilibin (1902-1952), Russian geologist.

Name Pronunciation:

Bilibinskite + Pronunciation

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Images:

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Bilibinskite Crystallography

Cell Dimensions:

a = 8.19, Z = 4; V = 549.35 Den(Calc)= 14.27

Crystal System:

IsometricSpace Group: Unk

$Help on X Ray Diffraction:$ X Ray Diffraction:

By Intensity(I/I_o): 2.37(1), 1.232(0.8), 2.05(0.7),

Physical Properties of Bilibinskite

Cleavage:

None

Color:

Bronze brown, Light brown, Pink brown.

Density:

14.27

Diaphaneity:

Opaque

Habit:

Massive - Uniformly indistinguishable crystals forming large masses.

Hardness:

5 - Apatite

Luster:

Sub Metallic

Streak:

brown

Calculated Properties of Bilibinskite

Electron Density:

Bulk Density (Electron Density)=11.6 gm/cc
note: Specific Gravity of Bilibinskite =14.3 gm/cc.

Fermion Index:

Fermion Index = 0.05
Boson Index = 0.95

Photoelectric:

PE_Bilibinskite=1,253.14 barns/electron
U=PE_Bilibinskite x rElectron Density=14573.81 barns/cc.

Radioactivity:

GRapi = 0 (Gamma Ray American Petroleum Institute Units)
Bilibinskite is Not Radioactive

Bilibinskite Classification

Dana Class:

02.01.06.01 (02)Sulfides - Including Selenides and Tellurides

(02.01)where Am Xp, with m:p>3:1

(02.01.06)Dana Group

02.01.06.01 Bilibinskite Au3Cu2PbTe2 Unk Cubic

Strunz Class:

02.BA.55 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.55 Bilibinskite Au3Cu2PbTe2 Unk Cubic

Other Bilibinskite Information

References:

NAME( Dana8) PHYS. PROP.(Enc. of Minerals,2nd ed.,1990)

See Also:

Links to other databases for Bilibinskite :
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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Ask about Bilibinskite here :
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Print or Cut-and-Paste your Bilibinskite Specimen Label here :

Bilibinskite

Au3Cu2PbTe2
Dana No: 02.01.06.01 Strunz No: 02.BA.55
Locality:

Notes: