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Yuanjiangite

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Formula:
AuSn
System:HexagonalColour:Silver-white
Lustre:MetallicHardness:3½ - 4
Name:Named after its type locality on the Yuan River (Yuan Jiang), in Yuanling county, Hunan Province, China.


Hexagonal prisms and anhedral grains.

Classification of Yuanjiangite

IMA status:Approved 1993
Strunz 8th edition ID:1/A.01-80
Nickel-Strunz 10th (pending) edition ID:1.AC.15

1 : ELEMENTS (Metals and intermetallic alloys; metalloids and nonmetals; carbides, silicides, nitrides, phosphides)
A : Metals and Intermetallic Alloys
C : Indium-tin family
Dana 7th edition ID:1.1.4.1
Dana 8th edition ID:1.1.2.3

1 : NATIVE ELEMENTS AND ALLOYS
1 : Metals, other than the Platinum Group
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Type Occurrence of Yuanjiangite

Type Locality:Yuanjiangite locality, Yuan river placers (Yuanjiang placers), Yuanling Co., Huaihua Prefecture, Hunan Province, China
Year of Discovery:1993
Geological Setting of type material:Gold and PGE placer.

Physical Properties of Yuanjiangite

Lustre:Metallic
Diaphaneity (Transparency):Opaque
Colour:Silver-white
Streak:Black
Hardness (Mohs):3½ - 4
Cleavage:None Observed

Crystallography of Yuanjiangite

Crystal System:Hexagonal

Chemical Properties of Yuanjiangite

Formula:
AuSn
Essential elements:Au, Sn
All elements listed in formula:Au, Sn

Relationship of Yuanjiangite to other Species

Related Minerals - Nickel-Strunz Grouping):

- +
1.AC.05Indium
In
1.AC.10Tin
Sn
1.AC.15Eta-bronze
Cu
 
6
Sn
 
5
1.AC.15Sorosite
Cu
 
1+x
(Sn,Sb), where 0.1 ≤ x ≤ 0.2
1.AC.15UM1965-07-E:CuSn
Cu
 
3
Sn

Other Names for Yuanjiangite

Synonyms:
IMA1993-028
Other Languages:
German:Yuanjiangit
Russian:Юаньджиангит
Simplified Chinese:元江矿
Spanish:Yuanjiangita

Other Information

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

References for Yuanjiangite

Reference List:

- +
Chen Lichang, Tang Cuiqing, Zhang Jianhong, and Liu Zhenyun (1994) Yuanjiangite - A new auriferous and stanniferous mineral. Acta Petrologica et Mineralogica 13(3), 232-238 (in Chinese with English abstract). - New Minerals (1997), New Minerals 1990-1994, 217 (abstract).

Internet Links for Yuanjiangite

Search Engines:
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  • Look for Yuanjiangite on Mineralien Atlas
  • Raman and XRD data at RRUFF project
  • American Mineralogist Crystal Structure Database
  • Yuanjiangite details from Handbook of Mineralogy (PDF)
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  • DAKOTA MATRIX offers Cabinet and Rare Species from Worldwide Localities.
  • Find Yuanjiangite on www.crystalclassics.co.uk
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    • Localities for Yuanjiangite

    The 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.
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    (TL) indicates type locality. ? indicates mineral may be doubtful at this locality. All other localities listed without reference should be considered as uncertain and unproven until references can be found.
    China
     
    • Hunan Province
      • Huaihua Prefecture
        • Yuanling Co.
          • Yuan river placers (Yuanjiang placers)
    		Chen Lichang, Tang Cuiqing, Zhang Jianhong, and Liu Zhenyun (1994): Acta Petrologica et Mineralogica 13(3), 232-238
    Uzbekistan
     
    • Tashkent (Toshkent) Viloyati
      • Angren Region
        • Chatkal-Kuraminskii Range
    		GEOCHMISTRY, MINERALOGY AND PETROLOGY • 4 3 • SOFIA pp 69-74
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