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UM1985-02-E:AlZn

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Formula:
(Zn,Cu)Al2
Colour:
metallic pale grey
Occurs as anhedral, elongated grains and veinlets, up to 8 x 40 microns in size, filling interstices of cupalite II or, rarely, present within khatyrkite masses. The second reported zinc aluminide from this assemblage is 'UM1985-03-E:AlZn'.

Contacts of the mineral with cupalite and khatyrkite are corrosive.


Classification of UM1985-02-E:AlZn

Notes:
Unnamed (probably invalid)
Approval History:
Unnamed, and probably invalid.
1.AA.15

1 : ELEMENTS (Metals and intermetallic alloys; metalloids and nonmetals; carbides, silicides, nitrides, phosphides)
A : Metals and Intermetallic Alloys
A : Copper-cupalite family
1.1.23.3

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

Physical Properties of UM1985-02-E:AlZn

Colour:
metallic pale grey

Optical Data of UM1985-02-E:AlZn

Type:
Anisotropic
Anisotropism:
light gray tints
Bireflectance:
not observed
Colour in reflected light:
pale gray
Comments:
reflectane greater than that of cupalite but lower than that of khatyrkite; negative relief in relation to both these minerals

Chemical Properties of UM1985-02-E:AlZn

Formula:
(Zn,Cu)Al2
Elements listed in formula:
Analytical Data:
electron microprobe, wt.% (mean of 11 analytical points)
Cu 8.4
Zn 50.1
Al 46.1

total 100.1

First Recorded Occurrence of UM1985-02-E:AlZn

Relationship of UM1985-02-E:AlZn 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.15AnyuiiteAuPb2
1.AA.15Khatyrkite(Cu,Zn)Al2
1.AA.15IodineI2
1.AA.15NovodnepriteAuPb3
1.AA.20Cupalite(Cu,Zn)Al
1.AA.25HunchuniteAu2Pb

Other Names for UM1985-02-E:AlZn

Name in Other Languages:

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 UM1985-02-E:AlZn

Reference List:
Razin, L.V., Rudashevskiy, N.S., Vyalsov, L.N. (1985): New natural intermetallic compounds of aluminum, copper and zinc - khatyrkite, cupalite, and zinc aluminides: Zapiski Vses. Mineralog. Obshch (1985): 114, 90-100; in: Hawthorne, F.C., Fleischer, M., Grew, E.S., Grice, J.D., Jambor, J.L., Puziewicz, J., Roberts, A.C., Vanko, D.A., Zilczer, J.A. (1986): New mineral Names. American Mineralogist: 71: 1278

Smith, D.G.W., Nickel, E.H. (2007): A System of Codification for Unnamed Minerals: Report of the SubCommittee for Unnamed Minerals of the IMA Commission on New Minerals, Nomenclature and Classification. Canadian Mineralogist: 45: 983-1055; http://nrmima.nrm.se (2016)

Internet Links for UM1985-02-E:AlZn

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https://www.mindat.org/min-38720.html
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Localities for UM1985-02-E:AlZn

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.
(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 (FRL)
 
  • Far-Eastern Region
    • Koriak Autonomous Okrug
      • Koryak Upland (Koriak; Koriakskhiye)
        • Iomrautvaam Massif
          • Chetkinvaiam tectonic melange
            • Khatyrka river
              • Listvenitovyi stream
ZVMO 114,90(1985)
Mineral and/or Locality  
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