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Anyuiite

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Formula:
AuPb2
Pb may be replaced by minor Sb.
System:
Tetragonal
Colour:
Silvery grey
Lustre:
Metallic
Hardness:
Name:
Named after the type locality, the Bol'shoi Anyui River Basin, Kolyma area, Chukotskii Autonomous Okrug, Far-Eastern Region, Russia.
This page provides mineralogical data about Anyuiite.


Classification of Anyuiite

Approved
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
Dana 7th ed.:
1.1.3.1
1.1.4.1

1 : NATIVE ELEMENTS AND ALLOYS
1 : Metals, other than the Platinum Group
1.31

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

Physical Properties of Anyuiite

Metallic
Diaphaneity (Transparency):
Opaque
Colour:
Silvery grey
Comment:
Becoming dull lead-gray on oxidation
Streak:
Lead grey
Hardness (Mohs):
Hardness (Vickers):
VHN20=142 - 153 kg/mm2
Tenacity:
Malleable
Density:
13.49 g/cm3 (Calculated)

Optical Data of Anyuiite

Type:
Anisotropic
Anisotropism:
Weak
Bireflectance:
Barely noticable
Reflectivity:
420nmR1=50.3%R2= 56.7%
440nmR1=52.9%R2= 59.0%
460nmR1=55.0%R2= 60.7%
480nmR1=56.2%R2= 62.0%
500nmR1=57.7%R2= 62.4%
520nmR1=58.3%R2= 63.2%
540nmR1=59.3%R2= 63.9%
560nmR1=59.9%R2= 64.6%
580nmR1=60.7%R2= 65.1%
600nmR1=61.4%R2= 65.6%
620nmR1=62.1%R2= 66.0%
640nmR1=62.1%R2= 66.1%
660nmR1=63.0%R2= 66.2%
680nmR1=63.4%R2= 66.5%
700nmR1=63.7%R2= 66.8%

Reflectance graph
Graph shows reflectance levels at different wavelengths (in nm). Top of box is 100%. Peak reflectance is 66.8%.
R1 shown in black, R2 shown in red
Colour in reflected light:
pale silvery grey with faint creamy tint, becoming dark grey with blue-black overtones

Chemical Properties of Anyuiite

Formula:
AuPb2

Pb may be replaced by minor Sb.
Elements listed in formula:
Analytical Data:
Bol’shoi Anyui River basin, Russia; by electron microprobe.
Ag (0.35)
Au (32.6)
Pb (64.8)
Sb (0.3)
Total (98.05)

Crystallography of Anyuiite

Crystal System:
Tetragonal
Class (H-M):
4/mmm (4/m 2/m 2/m) - Ditetragonal Dipyramidal
Space Group:
I4/mcm
Space Group Setting:
I4/mcm
Cell Parameters:
a = 7.39(2) Å, c = 5.61(3) Å
Ratio:
a:c = 1 : 0.759
Unit Cell Volume:
V 306.37 ų (Calculated from Unit Cell)
Z:
4
Morphology:
Rounded, elongated to platy polymetallic grains with rhombic to square outline; typically fine-grained granular massive.
Comment:
by analogy to synthetic AuPb2
X-Ray Powder Diffraction Data:
d-spacingIntensity
5.22 (100)
3.74 (33)
2.59 (33)
2.23 (50)
1.448 (67)
1.231 (83)
1.155 (33)
1.130 (33)
Comments:
ICDD 46-1310

Occurrences of Anyuiite

Type Occurrence of Anyuiite

Place of Conservation of Type Material:
A.E. Fersman Mineralogical Museum, Academy of Sciences, Moscow, Russia.
Geological Setting of Type Material:
In placer concentrates derived from small ultramafic-gabbroid masses in a dunite-harzburgite formation.
Empirical Formula:
(Au1.05Ag0.02)(Pb1.98Sb0.02)

Relationship of Anyuiite 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.15Khatyrkite(Cu,Zn)Al2
1.AA.15IodineI2
1.AA.15NovodnepriteAuPb3
1.AA.15UM1985-02-E:AlZn(Zn,Cu)Al2
1.AA.20Cupalite(Cu,Zn)Al
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
1.23Cupalite(Cu,Zn)Al
1.24DiamondC
1.25GraphiteC
1.26ChaoiteC
1.27LonsdaleiteC
1.28SiliconSi
1.29TinSn
1.30LeadPb
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(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 Anyuiite

Name in Other Languages:
German:Anyuiit
Russian:Анюйит
Simplified Chinese:安云矿
锑铅金矿
Spanish:Anyuiita

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 Anyuiite

Reference List:
Jambor, J.L., Grew, E.S. (1991) New mineral names. American Mineralogist: 76: 299-305.

Razin, L.V., Sidorenko, G.A. (1989) Anyuiite AuPb2 - A new intermetallic of gold and lead. Mineralogicheskii Zhurnal: 11(4): 88-96.

http://portal.kazntu.kz/files/publicate/2013-11-30-10237_0.pdf

Ferraris, C., Lorand, J.P. (2015) Novodneprite (AuPb3), anyuiite [Au(Pb, Sb)2] and gold micro- and nano-inclusions within plastically deformed mantle-derived olivine from the Lherz peridotite (Pyrenees, France): a HRTEM–AEM–EELS study. Physics and Chemistry of Minerals: 42: 143-150.

Internet Links for Anyuiite

mindat.org URL:
https://www.mindat.org/min-271.html
Please feel free to link to this page.

Localities for Anyuiite

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.
China
 
  • Jilin Province (Manchuria; Dongbei Region)
    • Jilin Prefecture
      • Huadian Co.
        • Jiapigou ore field
Handbook of Mineralogy
    • Yanbian Chaoxianzu Autonomous Prefecture
      • Hunchun Co.
        • Shajin Mine
Extra Lapis English No. 5 Gold
France
 
  • Occitanie
    • Ariège
      • Massat
        • Le Port
          • Col d'Agnès
            • Etang de Lherz
Cristiano Ferraris, Jean-Pierre Loran (2015) Novodneprite (AuPb3), anyuiite [Au(Pb, Sb)2] and gold micro- and nano-inclusions within plastically deformed mantle-derived olivine from the Lherz peridotite (Pyrenees, France): a HRTEM–AEM–EELS study. Physics and Chemistry of Minerals, Vol 42, Issue 2 (February 2015), 143-150.
Kazakhstan
 
  • Akmola Province (Aqmola Oblysy; Akmolinskaya Oblast')
Dyussembayeva, K., Kasenova, A. & Shakirova (2013): The intermetallic compounds of gold with lead. Published online: http://portal.kazntu.kz/files/publicate/2013-11-30-10237_0.pdf; Dyussembayeva, K., Kasenova, A., & Shakirova, G. (2013). The Intermetallic Compounds of Gold with Lead. International Multidisciplinary Scientific GeoConference: SGEM: Surveying Geology & mining Ecology Management, 2, 643.
Poland
 
  • Lower Silesia (Dolnośląskie)
    • Legnica
      • Lubin District
Extra Lapis English No. 5 Gold
Russia
 
  • Eastern-Siberian Region
    • Sakha Republic (Saha Republic; Yakutia)
      • Mirny
Extra Lapis English No. 5 Gold
  • Far-Eastern Region
    • Chukotskii Autonomous Okrug
      • Kolyma area
Extra Lapis English No. 5 Gold; Pekov, I. (1998) Minerals First discovered on the territory of the former Soviet Union 369p. Ocean Pictures, Moscow
  • Urals Region
    • Middle Urals
      • Sverdlovskaya Oblast'
        • Neiva river
Mineral and/or Locality  
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