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Tetra-auricupride

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Karabash (Karabasch), Chelyabinsk Oblast', Urals Region, Russia
© Thomas Witzke

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Formula:
AuCu
System:TetragonalColour:Yellow, golden-yellow
Lustre:MetallicHardness:4½
Name:The name is derived from the tetragonal crystal system and compositional similarity to auricupride.


Tetraferroplatinum Group

Classification of Tetra-auricupride

IMA status:Approved 1982
Nickel-Strunz 10th (pending) edition ID:1.AA.10

1 : ELEMENTS (Metals and intermetallic alloys; metalloids and nonmetals; carbides, silicides, nitrides, phosphides)
A : Metals and Intermetallic Alloys
A : Copper-cupalite family
Dana 7th edition ID:1.1.2.2
Dana 8th edition ID:1.1.2.2

1 : NATIVE ELEMENTS AND ALLOYS
1 : Metals, other than the Platinum Group
Hey's CIM Ref.:1.7

1 : Elements and Alloys (including the arsenides, antimonides and bismuthides of Cu, Ag and Au)
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Type Occurrence of Tetra-auricupride

Type Locality:Sardala, Manasi (Manas; Marneshi), Manasi (Manas) Co., Changji (Sanji) Autonomous Prefecture, Xinjiang (Xinjiang-Uygur) Autonomous Region, China
Year of Discovery:1982

Physical Properties of Tetra-auricupride

Lustre:Metallic
Diaphaneity (Transparency):Opaque
Colour:Yellow, golden-yellow
Hardness (Mohs):4½

Crystallography of Tetra-auricupride

Crystal System:Tetragonal
Cell Parameters:a = 3.96Å, c = 3.67Å
Ratio:a:c = 1 : 0.927
Unit Cell Volume:V 57.55 ų (Calculated from Unit Cell)

Chemical Properties of Tetra-auricupride

Formula:
AuCu
Essential elements:Au, Cu
All elements listed in formula:Au, Cu

Relationship of Tetra-auricupride to other Species

Related Minerals - Nickel-Strunz Grouping):
1.AA.05Aluminium
Al
1.AA.05Copper
Cu
1.AA.05Electrum
(Au, Ag)
1.AA.05Gold
Au
1.AA.05Lead
Pb
1.AA.05Nickel
Ni
1.AA.05Silver
Ag
1.AA.10Auricupride
Cu
 
3
Au
1.AA.10Cuproauride
1.AA.10Rozhkovite
1.AA.15Anyuiite
Au(Pb,Sb)
 
2
1.AA.15Khatyrkite
(Cu,Zn)Al
 
2
1.AA.15Iodine
I
1.AA.15Novodneprite
AuPb
 
3
1.AA.20Cupalite
(Cu,Zn)Al
1.AA.25Hunchunite
Au
 
2
Pb
Related Minerals - Hey's Index Grouping:
1.1Copper
Cu
1.2Silver
Ag
1.5Gold
Au
1.6Auricupride
Cu
 
3
Au
1.8Zinc
Zn
1.9Cadmium
Cd
1.10Danbaite
CuZn
 
2
1.11Zhanghengite
CuZn
1.12Mercury
Hg
1.13Kolymite
Cu
 
7
Hg
 
6
1.14Moschellandsbergite
Ag
 
2
Hg
 
3
1.15Eugenite
Ag
 
11
Hg
 
2
1.16Schachnerite
Ag
 
1.1
Hg
 
0.9
1.17Paraschachnerite
Ag
 
3
Hg
 
2
1.18Luanheite
Ag
 
3
Hg
1.19Weishanite
(Au,Ag)
 
3
Hg
 
2
1.20Indium
In
1.21Aluminium
Al
1.22Khatyrkite
(Cu,Zn)Al
 
2
1.23Cupalite
(Cu,Zn)Al
1.24Diamond
C
1.25Graphite
C
1.26Chaoite
C
1.27Lonsdaleite
C
1.28Silicon
Si
1.29Tin
Sn
1.30Lead
Pb
1.31Anyuiite
Au(Pb,Sb)
 
2
1.31Novodneprite
AuPb
 
3
1.32Leadamalgam
HgPb
 
2
1.33Arsenic
As
1.34Arsenolamprite
As
1.35Paxite
CuAs
 
2
1.36Koutekite
Cu
 
5
As
 
2
1.37Domeykite
Cu
 
3
As
1.38Algodonite
(Cu
 
1-x
As
 
x
)
1.39Novakite
Cu
 
20
AgAs
 
10
1.40Kutinaite
Cu
 
2
AgAs
1.41Antimony
Sb
1.42Stibarsen
AsSb
1.43Paradocrasite
Sb
 
3
As
1.44Horsfordite
1.45Cuprostibite
Cu
 
2
(Sb,Tl)
1.46Allargentum
(Ag
 
1-x
Sb
 
x
)
1.47Aurostibite
AuSb
 
2
1.48Dyscrasite
Ag
 
3
Sb
1.49Bismuth
Bi
1.50Maldonite
Au
 
2
Bi
1.51Sulphur
S
 
8
1.52Rosickýite
S
1.53Selenium
Se
1.54Tellurium
Te
1.55Chromium
Cr
1.56Rhenium
Re
1.57Iron
Fe
1.58Chromferide
Fe
 
3
Cr
 
1-x
 (x=0.6)
1.59Ferchromide
Cr
 
1.5
Fe
 
0.5-x
1.60Wairauite
CoFe
1.61Nickel
Ni
1.62Kamacite
(Fe,Ni)
1.63Taenite
(Fe,Ni)
1.64Tetrataenite
FeNi
1.65Awaruite
Ni
 
3
Fe
1.66Palladium
(Pd,Pt)
1.67Potarite
PdHg
1.68Paolovite
Pd
 
2
Sn
1.69Stannopalladinite
(Pd,Cu)
 
3
Sn
 
2
1.70Cabriite
Pd
 
2
SnCu
1.71Taimyrite
(Pd,Cu,Pt)
 
3
Sn
1.72Atokite
(Pd,Pt)
 
3
Sn
1.73Rustenburgite
(Pt,Pd)
 
3
Sn
1.74Zvyagintsevite
(Pd,Pt,Au)
 
3
(Pb,Sn)
1.75Plumbopalladinite
Pb
 
2
Pd
 
3
1.76Osmium
(Os,Ir,Ru)
1.77Iridium
(Ir,Os,Ru)
1.82Platinum
Pt
1.83Hongshiite
PtCu
1.84Niggliite
PtSn
1.85Isoferroplatinum
Pt
 
3
Fe
1.86Tetraferroplatinum
PtFe
1.87Tulameenite
Pt
 
2
CuFe
1.88Ferronickelplatinum
Pt
 
2
FeNi
1.89Rhodium
(Rh,Pt)
Related Minerals - Dana Grouping):
1.1.2.1Auricupride
Cu
 
3
Au

Other Names for Tetra-auricupride

Synonyms:
IMA1982-005
German names:
Tetra-auricuprid

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 Tetra-auricupride

Reference List:Chen Keqiao, Yu Tinggao, Zhang Yongge, and Peng Zhizhong (1982): Tetra-auricupride, CuAu, discovered in China. Scientia Geologica Sinica 1982(1), 111-116 (in Chinese with English abstract). - American Mineralogist (1983), 68, 1250-1251 (abstract).

Acta Chemica Scandinavica (1967): 21: 2900.

Canadian Mineralogist (1990), 28, 751.

Canadian Mineralogist (1997), 35, 573.

Internet Links for Tetra-auricupride

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    Localities for Tetra-auricupride

    (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
     
    • Xinjiang (Xinjiang-Uygur) Autonomous Region
      • Changji (Sanji) Autonomous Prefecture
        • Manasi (Manas) Co.
          • Manasi (Manas; Marneshi)
    		Chen Keqiao, Yu Tinggao, Zhang Yongge, and Peng Zhizhong (1982): Scientia Geologica 1982(1), 111-116.
    France
     
    • Provence-Alpes-Côte d'Azur
      • Bouches-du-Rhône
        • Aix-en-Provence
          • Peyrolles-en-Provence
    		Y. Moëlo : "Compte-rendu de la réunion "Systématique des Minéraux" du 23 novembre 1989", Bull. Soc. Franç. Minéral.
    Russia
     
    • Far-Eastern Region
      • Khabarovskiy Kray
        • Ayan-Maya district
          • Aldan shield
    		Shcheka G.G., Lehmann B., Gierth E., Gomann K., Wallianos A. (2004) Macrocrystals of Pt-Fe alloy from the Kondyor PGE placer deposit, Khabarovskiy kray, Russia: trace-element content, mineral inclusions and reaction assemblages, - Can. Miner., v.42, N2, pp. 601-617.
    • Urals Region
      • Chelyabinsk Oblast'
    		SEM-EDX analysis T. Witzke
    South Africa
     
    • Mpumalanga Province
      • Eastern Bushveld Complex
        • Lydenburg District
    		Minerals of South Africa
    Switzerland
     
    • Wallis (Valais)
      • Binn Valley
    		Stalder, H. A., Wagner, A., Graeser, S. und Stuker, P. (1998): Mineralienlexikon der Schweiz. Wepf Verlag, Basel, 579 pp.
    USA
     
    • Colorado
      • Montrose Co.
        • Uravan District
          • Paradox Valley
    		Minerals of Colorado (1997) E.B. Eckels
    Mineral and/or Locality
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