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Nagyágite

Formula:
Pb
 
5
Au(Te,Sb)
 
4
S
 
5-8
System:MonoclinicColour:Black-grey, white-grey ...
Lustre:MetallicHardness:1 - 1½
This page provides mineralogical data about Nagyágite.

Classification of Nagyágite

IMA status:Valid - first described prior to 1959 (pre-IMA) - "Grandfathered"
Strunz 8th edition ID:2/D.15-20
Nickel-Strunz 10th (pending) edition ID:2.HB.20a

2 : SULFIDES and SULFOSALTS (sulfides, selenides, tellurides; arsenides, antimonides, bismuthides; sulfarsenites, sulfantimonites, sulfbismuthites, etc.)
H : Sulfosalts of SnS archetype
B : With Cu, Ag, Fe, Sn and Pb
Dana 8th edition ID:2.11.10.1

2 : SULFIDES
11 : AmBnXp, with (m+n):p = 2:3
Hey's CIM Ref.:5.3.1

5 : Sulphosalts - Sulpharsenites and Sulphobismuthites (those containing Sn, Ge,or V are in Section 6)
3 : Sulpharsenites etc. of Au
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Type Occurrence of Nagyágite

Type Locality:Sacarîmb (Sãcãrâmb; Szekerembe; Nagyág), Hunedoara Co., Romania
Year of Discovery:1845

Physical Properties of Nagyágite

Lustre:Metallic
Colour:Black-grey, white-grey in reflected light
Hardness (Mohs):1 - 1½

Crystallography of Nagyágite

Crystal System:Monoclinic
Class (H-M):2/m - Prismatic
Space Group:P21/m (P1 1 21/m) [P21/m] {P1 21/m 1}
Cell Parameters:a = 4.220(1) Å, b = 4.176(1) Å, c = 15.119(3) Å
β = 95.42(3)°
Ratio:a:b:c = 1.011 : 1 : 3.62
Unit Cell Volume:V 265.25 ų (Calculated from Unit Cell)
Z:2
Morphology:Thin {010} tabular crystals, commonly bent. Also granular.
Twinning:Multiple twinning on (001).
Comment:Pseudo-tetragonal/orthorhombic
Crystal Atlas:
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Nagyagite no.2 - Goldschmidt (1913-1926)
Nagyagite no.5 - Goldschmidt (1913-1926)

About Crystal Atlas

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The mindat.org Crystal Atlas allows you to view a selection of crystal drawings of real and idealised crystal forms for this mineral and, in certain cases, 3d rotating crystal objects. You need Java to see these. You can download Java for free - click here to download Java

The 3d models and java code are kindly provided by www.smorf.nl. You can control the movement of the models by holding down the left mouse-button over the 3d model and moving your mouse. Keyboard controls are:

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t/T: decrease/increase transparency x/X: next/previous texture
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Chemical Properties of Nagyágite

Formula:
Pb
 
5
Au(Te,Sb)
 
4
S
 
5-8
Essential elements:Au, Pb, S, Te
All elements listed in formula:Au, Pb, S, Sb, Te
Common Impurities:Ag,Fe,Bi

Relationship of Nagyágite to other Species

Related Minerals - Nickel-Strunz Grouping):
2.HB.05aAikinite
PbCuBiS
 
3
2.HB.05aFriedrichite
Pb
 
5
Cu
 
5
Bi
 
7
S
 
18
2.HB.05aGladite
PbCuBi
 
5
S
 
9
2.HB.05aHammarite
Pb
 
2
Cu
 
2
Bi
 
4
S
 
9
2.HB.05cJaskólskiite
Pb
 
2+x
Cu
 
x
(Sb,Bi)
 
2-x
S
 
6
x = 0.2
2.HB.05aKrupkaite
PbCuBi
 
3
S
 
6
2.HB.05aLindströmite
Pb
 
3
Cu
 
3
Bi
 
7
S
 
15
2.HB.05bMeneghinite
Pb
 
13
CuSb
 
7
S
 
24
2.HB.05aPekoite
PbCuBi
 
11
(S,Se)
 
18
2.HB.05aEmilite
Pb
 
2.7
Cu
 
2.7
Bi
 
5.3
S
 
12
2.HB.05Jaskolskite
2.HB.05aSalzburgite
Pb
 
1.6
Cu
 
1.6
Bi
 
6.4
S
 
14
2.HB.05aPaarite
Pb
 
1.7
Cu
 
1.7
Bi
 
6.3
S
 
12
2.HB.10cEclarite
(Cu,Fe)Pb
 
9
Bi
 
12
S
 
28
2.HB.10bGiessenite
Cu
 
2
Pb
 
26
(Bi,Sb)
 
20
S
 
57
2.HB.10bIzoklakeite
(Cu,Fe)
 
2
Pb
 
27
(Sb,Bi)
 
19
S
 
57
2.HB.10aKobellite
Pb
 
22
Cu
 
4
(Bi,Sb)
 
30
S
 
69
2.HB.10aTintinaite
Pb
 
22
Cu
 
4
(Sb,Bi)
 
30
S
 
69
2.HB.10Zoubekite
AgPb
 
4
Sb
 
4
S
 
10
2.HB.15Benavidesite
Pb
 
4
(Mn,Fe)Sb
 
6
S
 
14
2.HB.15Jamesonite
Pb
 
4
FeSb
 
6
S
 
14
2.HB.20dBerryite
Pb
 
3
(Ag,Cu)
 
5
Bi
 
7
S
 
16
2.HB.20Buckhornite
AuPb
 
2
BiTe
 
2
S
 
3
2.HB.20Watkinsonite
Cu
 
2
PbBi
 
4
(Se,S,Te)
 
8
2.HB.20Museumite
Pb
 
5
AuSbTe
 
2
S
 
12

Other Names for Nagyágite

Synonyms:
Elasmose (of Beudant)
German names:
Nagyagit
Russian names:
Нагиагит
Spanish names:
Nagyagita

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 Nagyágite

Reference List:Palache, Charles, Harry Berman & Clifford Frondel (1944), The System of Mineralogy of James Dwight Dana and Edward Salisbury Dana Yale University 1837-1892, Volume I: Elements, Sulfides, Sulfosalts, Oxides. John Wiley and Sons, Inc., New York. 7th edition, revised and enlarged, 834pp.: 168-169.

American Mineralogist (1995): 80: 188.

Effenberger et al. (1999): American Mineralogist 84: 669-676.

Articles/Blogs about Nagyágite

Internet Links for Nagyágite

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  • Raman and XRD data at RRUFF project
  • American Mineralogist Crystal Structure Database
  • Search for Nagyágite in the Natural History Museum (London) online catalogue
  • Nagyagite details from Handbook of Mineralogy (PDF)
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    Localities for Nagyágite

    The 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.
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    (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.
    Argentina
     
    • Catamarca
    Anthony, Bideaux, Bladh, Nichols: "Handbook of Mineralogy", Vol. 1, 1990
    Armenia
     
    • Kotayk' Province
      • Hrazdon
    Extra Lapis English No. 5 Gold
    Australia
     
    • Western Australia
      • Yilgarn Shire
    Sung, Y.-H., et al., "Tellurides from the Sunrise Dam gold deposit, Yilgarn Craton, Western Australia: a new occurrence of nagyagite", Mineralogy & Petrology 91, 249-270(2007)
    Austria
     
    • Salzburg
      • Lungau
        • Murwinkel
          • Schellgaden
            • Gold mines
    C. Auer: Lapis 20(11):11-20 (1995)
    Bulgaria
     
    • Pazardzhik (Pazardjik) Oblast
      • Srednogorie (Sredna Gora; Srdnia Gora) Region
        • Panagyurishte (Panagurishte) Obshchina
          • Chelopech
    American Mineralogist (1966): 51: 29-36
    Canada
     
    • British Columbia
      • Revelstoke Mining Division
        • Gainer Creek
          • Ophir Lade Property
    Anthony, Bideaux, Bladh, Nichols: "Handbook of Mineralogy", Vol. 1, 1990
    • Ontario
      • Thunder Bay District
        • Moss Township
          • Jackfish Lake
    Dana 7:I:169.
    Czech Republic
     
    • Bohemia (Böhmen; Boehmen)
      • Central Bohemia Region
        • Jílové (Eule)
          • Jílové Gold mining District
            • Bohuliby
    Lapis 2000(4), 13-30
    Egypt
     
    • Eastern Desert
      • Qift (Kift; Coptos) area
    Osman A. M., Pieczonka J., Piestrzyński A. 2002: Relationships between gold and tellurides in the El Sid gold deposit, Eastern Desert, Egypt. Mineralogia Polonica, vol. 33, no 2, 15-26
    Fiji
     
    • Viti Levu
    Anthony, Bideaux, Bladh, Nichols: "Handbook of Mineralogy", Vol. 1, 1990
        • Vatukoula
    D. W. Pals and P. G. Spry "Telluride mineralogy of the low-sulfidation" Mineralogy and Petrology (2003) 79: 285–307
    Japan
     
    • Honshu Island
      • Chubu Region
        • Shizuoka Prefecture
          • Shimoda City
            • Rendaiji
    (Several japanese language references; no good reference available in english yet, but will be published soon.)
    Mexico
     
    • Chihuahua
      • Mun. de Moris
        • Sahuayacan
    Panczner (1987): 281 & 295.
    Panczner (1987): 281, 295.
    New Zealand
     
    • North Island
      • Waikato
        • Thames-Coromandel
          • Thames
    Dana 7:I:169.
    Romania
     
    • Alba Co.
    No reference listed
    • Hunedoara Co.
    Palache, C., Berman, H., & Frondel, C. (1951), The System of Mineralogy of James Dwight Dana and Edward Salisbury Dana, Yale University 1837-1892, Volume II: 755; Lapis (1989): 9: 8; American Mineralogist (1995): 80: 188.
    UK
     
    • Wales
      • Gwynedd (Merionethshire)
        • Dolgellau Gold Belt
          • Bontddu
    BMS Database
    USA
     
    • Alaska
      • Matanuska-Susitna Borough
        • Willow Creek District
    USGS OFR 98-598(Hawley,1998)
    USGS OFR 98-598(Hawley,1998)
    • California
      • Trinity Co.
        • Coffee Creek District
          • Cariboo Lake
    Dana 7:I:169.
    • Colorado
      • Boulder Co.
        • Gold Hill District
          • Gold Hill
    Minerals of Colorado (1997) Eckel, E. B.
    Minerals of Colorado (1997)
    Minerals of Colorado (1997)
    Minerals of Colorado (1997) E.B. Eckels
    Minerals of Colorado (1997) Eckels, E. B.
    Minerals of Colorado (1997) E.B. Eckels
        • Jamestown District
    Minerals of Colorado (1997)
    Minerals of Colorado (1997)
    Minerals of Colorado (1997) Eckels, E. B.
    Minerals of Colorado (1997)
    Minerals of Colorado (1997) E.B. Eckels
    Minerals of Colorado (1997) E.B. Eckels
      • Clear Creek Co.
        • Georgetown District
    Minerals of Colorado (1997) Eckels, E. B.
        • Idaho Springs District
    Minerals of Colorado (1997)
      • Teller Co.
    Minerals of Colorado (1997)
    • Montana
      • Madison Co.
        • Alder Gulch District (Virginia City District; Fairweather District)
          • Summit
    U.S. Geological Survey, 2005, Mineral Resources Data System: U.S. Geological Survey, Reston, Virginia.
    • Nevada
      • Mineral Co.
        • Borealis District
          • Borealis mine
    NBMG Spec. Pub. 31 Minerals of Nevada
    • New Mexico
      • Sierra Co.
        • Chloride District
          • Chloride
    Minerals of New Mexico 3rd ed.
    Northrop, Minerals of New Mexico, 3rd Rev. Ed., 1996
    • North Carolina
      • Cleveland Co.
        • Kings Mountain District
    Dana 7:I:169.
    Gems and Minerals of America-Jay Ellis Ransom-1974
    Genth,F.A and Kerr, W.C. 1881, Mineral and Mineral Localities of North Carolina , Geological Survey
      • Montgomery Co.
    John E.Callahan,James R.Craig,Todd N.Solberg,Telluride Mineralization of the Southeastern United States,Southeastern Geology,V.35,No.3,Sep,1995,pg.139-151
    Mineral and/or Locality
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