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Hunchunite

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About HunchuniteHide

Formula:
Au2Pb
Colour:
Silver grey
Lustre:
Metallic
Hardness:
Specific Gravity:
15.99 (Calculated)
Crystal System:
Isometric
Name:
For its occurrence along the Hunchun River, China.
This page provides mineralogical data about Hunchunite.


Classification of HunchuniteHide

Approved
1.AA.25

1 : ELEMENTS (Metals and intermetallic alloys; metalloids and nonmetals; carbides, silicides, nitrides, phosphides)
A : Metals and Intermetallic Alloys
A : Copper-cupalite family
Dana 7th ed.:
1.3.3.2

Physical Properties of HunchuniteHide

Metallic
Transparency:
Opaque
Colour:
Silver grey
Comment:
Readily oxidizes to a dull gray.
Hardness:
3½ on Mohs scale
Hardness:
VHN5=128 - 149 kg/mm2 - Vickers
Density:
15.99 g/cm3 (Calculated)

Optical Data of HunchuniteHide

Type:
Isotropic

Chemical Properties of HunchuniteHide

Formula:
Au2Pb

Crystallography of HunchuniteHide

Crystal System:
Isometric
Class (H-M):
m3m (4/m 3 2/m) - Hexoctahedral
Cell Parameters:
a = 7.93 Å
Unit Cell V:
498.68 ų (Calculated from Unit Cell)
Z:
8
Comment:
Fd3m - by analogy to synthetic Au2Pb

Geological EnvironmentHide

Paragenetic Mode(s):

Type Occurrence of HunchuniteHide

Place of Conservation of Type Material:
National Geological Museum, Beijing, China

Synonyms of HunchuniteHide

Other Language Names for HunchuniteHide

German:Hunchunit
Simplified Chinese:珲春矿
铅金矿
Spanish:Hunchunita

Related Minerals - Nickel-Strunz GroupingHide

1.AA.05AluminiumAlIso. m3m (4/m 3 2/m) : Fm3m
1.AA.05CopperCuIso. m3m (4/m 3 2/m) : Fm3m
1.AA.05Electrum(Au,Ag)
1.AA.05GoldAuIso. m3m (4/m 3 2/m) : Fm3m
1.AA.05LeadPbIso. m3m (4/m 3 2/m) : Fm3m
1.AA.05NickelNiIso. m3m (4/m 3 2/m) : Fm3m
1.AA.05SilverAgIso. m3m (4/m 3 2/m) : Fm3m
1.AA.05UM2004-08-E:AuCuPdCu2PdAu
1.AA.05UM1991-06-E:AuCuAu3Cu
1.AA.10aAuricuprideCu3AuOrth.
1.AA.10bTetra-auricuprideAuCuTet.
1.AA.10aCuproaurideCu3Au
1.AA.15AnyuiiteAuPb2Tet. 4/mmm (4/m 2/m 2/m) : I4/mcm
1.AA.15Khatyrkite(Cu,Zn)Al2Tet.
1.AA.15IodineI2
1.AA.15NovodnepriteAuPb3Tet. 4 2m : I4 2m
1.AA.15UM1985-02-E:AlZn(Zn,Cu)Al2
1.AA.20Cupalite(Cu,Zn)AlOrth.

Other InformationHide

Health Risks:
No information on health risks for this material has been entered into the database. You should always treat mineral specimens with care.

References for HunchuniteHide

Reference List:
Sort by Year (asc) | by Year (desc) | by Author (A-Z) | by Author (Z-A)
Wu Shangquan, Yang Yi, and Song Qun (1992): A new gold mineral - Hunchunite (Au2Pb). Acta Mineralogica Sinica 12 (4): 319-22 (in Chinese, English abstract).
New Minerals 1990-1994: 85 (abstract).
American Mineralogist (1994): 79: 1210 (abstract).

Internet Links for HunchuniteHide

Localities for HunchuniteHide

This map shows a selection of localities that have latitude and longitude coordinates recorded. Click on the symbol to view information about a locality. The symbol next to localities in the list can be used to jump to that position on the map.

Locality ListHide

- This locality has map coordinates listed. - This locality has estimated coordinates. ⓘ - Click for further information on this occurrence. ? - Indicates mineral may be doubtful at this locality. - Good crystals or important locality for species. - World class for species or very significant. (TL) - Type Locality for a valid mineral species. (FRL) - First Recorded Locality for everything else (eg varieties). Struck out - Mineral was erroneously reported from this locality. Faded * - Never found at this locality but inferred to have existed at some point in the past (eg from pseudomorphs.)

All localities listed without proper references should be considered as questionable.
China
 
  • Hebei
    • Zhangjiakou
      • Chongli District
        • Shuiquangou Complex
          • Dongping Au-Te ore field
Guanxiang Song (1991): Geology and Prospecting 27(8), 1-8
  • Jilin
    • Yanbian Chaoxianzu
      • Hunchun City
        • Shajin Mine
Wu Shangquan, Yang Yi, and Song Qun (1992): Acta Mineralogica Sinica 12(4), 319-322.
Finland
 
  • Lapland
    • Ylitornio
Molnár, Ferenc 2015. Mineral Systems in mineral Potential Evaluation. Stakeholder Seminar, 06 May 2015 Rovaniemi.; Molnár, F., Oduro, H., Cook, N. D., Pohjolainen, E., Takács, Á., O’Brien, H., ... & Wirth, R. (2016). Association of gold with uraninite and pyrobitumen in the metavolcanic rock hosted hydrothermal Au-U mineralisation at Rompas, Peräpohja Schist Belt, northern Finland. Mineralium Deposita, 51(5), 681-702.
Russia
 
  • Kamchatka Krai
Sandimirova, E. I., Sidorov, E. G., Chubarov, V. M., Ibragimova, E. K., & Antonov, A. V. (2014). Native metals and intermetallic compounds in heavy concentrate halos of the Ol’khovaya-1 River, Kamchatsky Mys Peninsula, eastern Kamchatka. Geology of Ore Deposits, 56(8), 657-664.
  • Sakha Republic (Yakutia)
    • Aldan
      • Inagli Massif
Tatyana V. Svetlitskaya, Peter A. Nevolko (2017): Au-Pb compounds in nature: A general overview and new evidence from the Inagli Pt–Au placer deposit, the Aldan Shield, Russia. Ore Geology Reviews 89, 719-730.
  • Sverdlovsk Oblast
Thomas Witzke specimen
 
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