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Cupalite

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Formula:
(Cu,Zn)Al
System:OrthorhombicColour:Steel yellow
Lustre:MetallicHardness:4 - 4½
Name: Named from Chemical Composition (Copper and Aluminium)
This page provides mineralogical data about Cupalite.

Classification of Cupalite

IMA status:Approved
Strunz 8th edition ID:1/A.03-10
Nickel-Strunz 10th (pending) edition ID:1.AA.20

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:1.1.23.1
Dana 8th edition ID:1.1.15.1

1 : NATIVE ELEMENTS AND ALLOYS
1 : Metals, other than the Platinum Group
Hey's CIM Ref.:1.23

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

Type Locality:Listvenitovyi Stream, Chetkinvaiam tectonic melange, Iomrautvaam Massif, Koryak Upland (Koriak; Koriakskhiye), Koriak Autonomous Okrug, Far-Eastern Region, Russia
Place of Conservation of Type Material:Mining Museum, Lenningrad
Year of Discovery:1985
Geological Setting of type material:Placers derived from serpentine.
Associated Minerals at type locality:
Khatyrkite

Physical Properties of Cupalite

Lustre:Metallic
Diaphaneity (Transparency):Opaque
Colour:Steel yellow
Hardness (Mohs):4 - 4½
Hardness (Vickers):VHN100=272 - 318
Density (calculated):5.12 g/cm3

Crystallography of Cupalite

Crystal System:Orthorhombic
Cell Parameters:a = 6.94Å, b = 4.12Å, c = 10.14Å
Ratio:a:b:c = 1.684 : 1 : 2.461
Unit Cell Volume:V 289.93 ų (Calculated from Unit Cell)
Z:10
Morphology:Grains to 35 microns

Optical Data of Cupalite

Type:Anisotropic
Anisotropism:Very weak from light gray to gray.

Chemical Properties of Cupalite

Formula:
(Cu,Zn)Al
Essential elements:Al, Cu
All elements listed in formula:Al, Cu, Zn

Relationship of Cupalite 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.05UM2004-08-E:AuCuPd
(Cu,Pd,Au)
1.AA.05UM1991-06-E:AuCu
Au
 
3
Cu
1.AA.10aAuricupride
Cu
 
3
Au
1.AA.10bTetra-auricupride
AuCu
1.AA.10aCuproauride
Cu
 
3
Au
1.AA.15Anyuiite
Au(Pb,Sb)
 
2
1.AA.15Khatyrkite
(Cu,Zn)Al
 
2
1.AA.15Iodine
I
 
2
1.AA.15Novodneprite
AuPb
 
3
1.AA.15UM1985-02-E:AlZn
ZnAl
 
2
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
1.7Tetra-auricupride
AuCu
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
1.24Diamond
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
Pb
 
0.7
Hg
 
0.3
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
Ag
 
6
Cu
 
14
As
 
7
1.41Antimony
Sb
1.42Stibarsen
AsSb
1.43Paradocrasite
Sb
 
3
As
1.44Horsfordite
Cu, Sb
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
 
3
Fe
 
1-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
CuSn
1.71Taimyrite-I
(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
Pd
 
3
Pb
 
2
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):

- +
1.1.23.2Khatyrkite
(Cu,Zn)Al
 
2

Other Names for Cupalite

Synonyms:
IMA1983-084
Other Languages:
German:Cupalit
Spanish:Cupalita

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 Cupalite

Reference List:

- +
American Mineralogist: 71: 1278.

Zapiski Vserossiyskogo Mineralogicheskogo Obshchestva: 114(1): 90-100.

Journal of Less Common Metals: 29: 133-140.

Internet Links for Cupalite

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  • Raman and XRD data at RRUFF project
  • American Mineralogist Crystal Structure Database
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  • Localities for Cupalite

    (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.
    Russia
     
    • Far-Eastern Region
      • Chukotskii Autonomous Okrug
    Bindi, L., Steinhardt, P.J., Yao, N., Lu, P.J. (2011) Icosahedrite, Al63Cu24Fe13, the first natural quasicrystal. American Mineralogist, 96, 928-931.
      • Koriak Autonomous Okrug
        • Koryak Upland (Koriak; Koriakskhiye)
          • Iomrautvaam Massif
            • Chetkinvaiam tectonic melange
    Pekov, I. (1998) Minerals First discovered on the territory of the former Soviet Union 369p. Ocean Pictures, Moscow
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