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Cupalite

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

Classification of Cupalite

Approved
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 ed.:
1.1.23.1
1.1.15.1

1 : NATIVE ELEMENTS AND ALLOYS
1 : Metals, other than the Platinum Group
1.23

1 : Elements and Alloys (including the arsenides, antimonides and bismuthides of Cu, Ag and Au)
mindat.org URL:
http://www.mindat.org/min-1171.html
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Type Occurrence of Cupalite

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:

Physical Properties of Cupalite

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

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:
All elements listed in formula:

Relationship of Cupalite to other Species

1.AA.05AluminiumAl
1.AA.05CopperCu
1.AA.05Electrum(Au, Ag)
1.AA.05GoldAu
1.AA.05LeadPb
1.AA.05NickelNi
1.AA.05SilverAg
1.AA.05UM2004-08-E:AuCuPd(Cu,Pd,Au)
1.AA.05UM1991-06-E:AuCuAu3Cu
1.AA.10aAuricuprideCu3Au
1.AA.10bTetra-auricuprideAuCu
1.AA.10aCuproaurideCu3Au
1.AA.15AnyuiiteAu(Pb,Sb)2
1.AA.15Khatyrkite(Cu,Zn)Al2
1.AA.15IodineI2
1.AA.15NovodnepriteAuPb3
1.AA.15UM1985-02-E:AlZnZnAl2
1.AA.25HunchuniteAu2Pb
1.1CopperCu
1.2SilverAg
1.5GoldAu
1.6AuricuprideCu3Au
1.7Tetra-auricuprideAuCu
1.8ZincZn
1.9CadmiumCd
1.10DanbaiteCuZn2
1.11ZhanghengiteCuZn
1.12MercuryHg
1.13KolymiteCu7Hg6
1.14MoschellandsbergiteAg2Hg3
1.15EugeniteAg11Hg2
1.16SchachneriteAg1.1Hg0.9
1.17ParaschachneriteAg3Hg2
1.18LuanheiteAg3Hg
1.19Weishanite(Au,Ag)3Hg2
1.20IndiumIn
1.21AluminiumAl
1.22Khatyrkite(Cu,Zn)Al2
1.24DiamondC
1.25GraphiteC
1.26ChaoiteC
1.27LonsdaleiteC
1.28SiliconSi
1.29TinSn
1.30LeadPb
1.31AnyuiiteAu(Pb,Sb)2
1.31NovodnepriteAuPb3
1.32LeadamalgamPb0.7Hg0.3
1.33ArsenicAs
1.34ArsenolampriteAs
1.35PaxiteCuAs2
1.36KoutekiteCu5As2
1.37DomeykiteCu3As
1.38Algodonite(Cu1-xAsx)
1.39NovákiteCu20AgAs10
1.40KutinaiteAg6Cu14As7
1.41AntimonySb
1.42StibarsenAsSb
1.43ParadocrasiteSb3As
1.44HorsforditeCu, Sb
1.45CuprostibiteCu2(Sb,Tl)
1.46Allargentum(Ag1-xSbx)
1.47AurostibiteAuSb2
1.48DyscrasiteAg3Sb
1.49BismuthBi
1.50MaldoniteAu2Bi
1.51SulphurS8
1.52RosickýiteS
1.53SeleniumSe
1.54TelluriumTe
1.55ChromiumCr
1.56RheniumRe
1.57IronFe
1.58ChromferideFe3Cr1-x (x=0.6)
1.59FerchromideCr3Fe1-x
1.60WairauiteCoFe
1.61NickelNi
1.62Kamacite(Fe,Ni)
1.63Taenite(Fe,Ni)
1.64TetrataeniteFeNi
1.65AwaruiteNi3Fe
1.66Palladium(Pd,Pt)
1.67PotaritePdHg
1.68PaolovitePd2Sn
1.69Stannopalladinite(Pd,Cu)3Sn2
1.70CabriitePd2CuSn
1.71Taimyrite-I(Pd,Cu,Pt)3Sn
1.72Atokite(Pd,Pt)3Sn
1.73Rustenburgite(Pt,Pd)3Sn
1.74Zvyagintsevite(Pd,Pt,Au)3(Pb,Sn)
1.75PlumbopalladinitePd3Pb2
1.76Osmium(Os,Ir,Ru)
1.77Iridium(Ir,Os,Ru)
1.82PlatinumPt
1.83HongshiitePtCu
1.84NiggliitePtSn
1.85IsoferroplatinumPt3Fe
1.86TetraferroplatinumPtFe
1.87TulameenitePt2CuFe
1.88FerronickelplatinumPt2FeNi
1.89Rhodium(Rh,Pt)

Other Names for Cupalite

Name in Other Languages:
German:Cupalit
Spanish:Cupalita

Other Information

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 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

Localities for Cupalite

(TL) indicates type locality for a valid mineral species. (FRL) indicates first recorded locality for everything else. ? 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 (TL)
 
  • Far-Eastern Region
    • Koriak Autonomous Okrug
      • Koryak Upland (Koriak; Koriakskhiye)
        • Iomrautvaam Massif
          • Chetkinvaiam tectonic melange
            • Khatyrka river
              • Listvenitovyi Stream
Pekov, I. (1998) Minerals First discovered on the territory of the former Soviet Union 369p. Ocean Pictures, Moscow; Bindi, L., Steinhardt, P.J., Yao, N., Lu, P.J. (2011) Icosahedrite, Al63Cu24Fe13, the first natural quasicrystal. American Mineralogist, 96, 928-931.
Mineral and/or Locality  
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