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Hunchunite Mineral Data
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General Hunchunite Information
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 Chemical Formula: |
(Au,Ag)2Pb |
| Composition: |
Molecular Weight = 556.58 gm |
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Silver 9.69 % Ag |
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Lead 37.23 % Pb |
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Gold 53.08 % Au |
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______ |
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100.00 % |
| Empirical Formula: |
Au1.5Ag0.5Pb |
| IMA Status: |
Approved IMA 1996 (Dana # Added) |
| Locality: |
Hunchun River, Jilin province, China Link to MinDat.org Location Data. |
| Name Origin: |
Named after the locality. |
| Name Pronunciation: |
Hunchunite + Pronunciation  |
| Synonym: |
ICSD 56261 |
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IMA1991-033 |
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PDF 46-1404 |
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Hunchunite Image |
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Images:
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Hunchunite
Comments: Bluish-gray hunchunite in a polished section in reflected light.
Location: Nizhne-Tagil'skoye (Mednorudyanskoye) Cu Deposit, Nizhnii Tagil, Sverdlovskaya Oblast', Urals Region, Russia.
Scale: Picture size 0.2 mm.
© Thomas Witzke / Abraxas-Verlag |
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Hunchunite Crystallography
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| Cell Dimensions: |
a = 7.933, Z = 8; V = 499.24 Den(Calc)= 14.81 |
| Crystal System: |
Isometric - Hexoctahedral H-M Symbol (4/m 3 2/m) Space Group: F d3m |
| X Ray Diffraction: |
By Intensity(I/Io): 2.391(1), 2.81(0.3), 1.196(0.26), |
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Physical Properties of Hunchunite
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| Color: |
Lead gray, Silver gray. |
| Density: |
16 |
| Diaphaneity: |
Opaque |
| Hardness: |
3.5 - Copper Penny |
| Luster: |
Metallic |
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Calculated Properties of Hunchunite
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| Electron Density: |
Bulk Density (Electron Density)=11.9 gm/cc
note: Specific Gravity of Hunchunite =14.8 gm/cc.
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| Fermion Index: |
Fermion Index = 0.08
Boson Index = 0.92 |
| Photoelectric: |
PEHunchunite =1,634.55 barns/electron
U=PEHunchunite x rElectron Density=19485.06 barns/cc.
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| Radioactivity: |
GRapi = 0 (Gamma Ray American Petroleum Institute Units)
Hunchunite is Not Radioactive |
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Hunchunite Classification
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| Dana Class: |
01.01.04.02 (01)Native Elements |
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(01.01)with metallic elements other than the platinum group |
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(01.01.04)Anyuiite and related alloys |
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01.01.04.01 Anyuiite Au(Pb,Sb)2 I 4/mcm 4/m 2/m 2/m |
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01.01.04.02 Hunchunite! (Au,Ag)2Pb F d3m 4/m 3 2/m |
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01.01.04.03 Novodneprite! AuPb3 I 4/2m 4/m |
| Strunz Class: |
01.AA.25 01 - ELEMENTS (Metals and intermetallic alloys; metalloids and nonmetals; carbides, silicides, nitrides, phosphides) |
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01.A - Metals and Intermetallic Alloys |
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01.AA -Copper-cupalite family |
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01.AA.25 Hunchunite! (Au,Ag)2Pb F d3m 4/m 3 2/m |
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Other Hunchunite Information
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| References: |
PHYS. PROP.(37th List of New Min.,Min. Mag.,1996) |
| See Also: |
Links to other databases for Hunchunite :
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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Print or Cut-and-Paste your Hunchunite Specimen Label here :
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Hunchunite
(Au,Ag)2Pb
Dana No: 01.01.04.02 Strunz No: 01.AA.25
Locality:
Notes:
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