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Fischesserite

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De Lamar Mine (Wahl; Sommercamp; Voschay), De Lamar District, Owyhee Co., Idaho, USA
© 2007, JGW

Formula:
Ag
 
3
AuSe
 
2
Hardness:2
This page provides mineralogical data about Fischesserite.

Classification of Fischesserite

IMA status:Approved
Strunz 8th edition ID:2/B.07-50
Nickel-Strunz 10th (pending) edition ID:2.BA.75

2 : SULFIDES and SULFOSALTS (sulfides, selenides, tellurides; arsenides, antimonides, bismuthides; sulfarsenites, sulfantimonites, sulfbismuthites, etc.)
B : Metal Sulfides, M: S > 1: 1 (mainly 2: 1)
A : With Cu, Ag, Au
Hey's CIM Ref.:3.3.5

3 : Sulphides, Selenides, Tellurides, Arsenides and Bismuthides (except the arsenides, antimonides and bismuthides of Cu, Ag and Au, which are included in Section 1)
3 : Sulphides etc. of Au
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Type Occurrence of Fischesserite

Type Locality:Předbořice, Central Bohemia Region, Bohemia (Böhmen; Boehmen), Czech Republic
Year of Discovery:1971

Physical Properties of Fischesserite

Hardness (Mohs):2

Chemical Properties of Fischesserite

Formula:
Ag
 
3
AuSe
 
2
Essential elements:Ag, Au, Se
All elements listed in formula:Ag, Au, Se
Common Impurities:Cu

Relationship of Fischesserite to other Species

Related Minerals - Nickel-Strunz Grouping):

- +
2.BA.05Chalcocite
Cu
 
2
S
2.BA.05Djurleite
Cu
 
31
S
 
16
2.BA.05Geerite
Cu
 
8
S
 
5
2.BA.05Roxbyite
Cu
 
9
S
 
5
2.BA.10Anilite
Cu
 
7
S
 
4
2.BA.10Digenite
Cu
 
9
S
 
5
2.BA.15Bornite
Cu
 
5
FeS
 
4
2.BA.20Bellidoite
Cu
 
2
Se
2.BA.20Berzelianite
Cu
 
2
Se
2.BA.25Athabascaite
Cu
 
5
Se
 
4
2.BA.25Umangite
Cu
 
3
Se
 
2
2.BA.30Rickardite
Cu
 
7
Te
 
5
2.BA.30Weissite
Cu
 
2-x
Te
2.BA.35Acanthite
Ag
 
2
S
2.BA.35Argentite
2.BA.40Mckinstryite
(Ag,Cu)
 
2
S
2.BA.40Stromeyerite
AgCuS
2.BA.40dUM2003-13
Ag
 
6
AuCu
 
2
S
 
5
2.BA.45Jalpaite
Ag
 
3
CuS
 
2
2.BA.45Selenojalpaite
Ag
 
3
CuSe
 
2
2.BA.50Eucairite
AgCuSe
2.BA.55Aguilarite
Ag
 
4
SeS
2.BA.55Naumannite
Ag
 
2
Se
2.BA.60Cervelleite
Ag
 
4
TeS
2.BA.60Hessite
Ag
 
2
Te
2.BA.60Chenguodaite
Ag
 
9
Fe
3+
 
Te
 
2
S
 
4
2.BA.65Henryite
Ag
 
3
Cu
 
4
Te
 
4
2.BA.65Stützite
Ag
 
5-x
Te
 
3
, x = 0.24-0.36
2.BA.70Argyrodite
Ag
 
8
GeS
 
6
2.BA.70Canfieldite
Ag
 
8
(Sn,Ge)(S,Te)
 
6
2.BA.70Putzite
(Cu
 
4.7
Ag
 
3.3
)GeS
 
6
2.BA.75Penzhinite
(Ag,Cu)
 
4
Au(S,Se)
 
4
2.BA.75Petrovskaite
AuAg(S,Se)
2.BA.75Petzite
Ag
 
3
AuTe
 
2
2.BA.75Uytenbogaardtite
Ag
 
3
AuS
 
2
2.BA.80Bezsmertnovite
(Au,Ag)
 
4
Cu(Te,Pb)
2.BA.80Bilibinskite
PbCuAu
 
3
Te
 
2
2.BA.80Bogdanovite
(Au,Te,Pb)
 
3
(Cu,Fe)
Related Minerals - Hey's Index Grouping:

- +
3.3.1Calaverite
AuTe
 
2
3.3.2Krennerite
(Au,Ag)Te
 
2
3.3.3Kostovite
CuAuTe
 
4
3.3.4Uytenbogaardtite
Ag
 
3
AuS
 
2
3.3.6Petrovskaite
AuAg(S,Se)
3.3.7Petzite
Ag
 
3
AuTe
 
2
3.3.8Muthmannite
AuAgTe
 
2
3.3.9Sylvanite
(Au,Ag)
 
2
Te
 
4
3.3.10Penzhinite
(Ag,Cu)
 
4
Au(S,Se)
 
4
3.3.11Bezsmertnovite
(Au,Ag)
 
4
Cu(Te,Pb)
3.3.12Bilibinskite
PbCuAu
 
3
Te
 
2
3.3.13Bogdanovite
(Au,Te,Pb)
 
3
(Cu,Fe)
3.3.14Montbrayite
(Au,Sb)
 
2
Te
 
3

Other Names for Fischesserite

Synonyms:
IMA1971-010
Other Languages:
German:Fischesserit
Russian:Фишессерит
Spanish:Fischesserita

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 Fischesserite

Reference List:Bindi, L. & and Cipriani, C. (2004): Structural and physical properties of fischesserite, a rare gold–silver selenide from the De Lamar mine, Owyhee County, Idaho, USA. The Canadian Mineralogist, 42, 1733-1737.

American Mineralogist: 57: 1554.

Internet Links for Fischesserite

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

    Hide Locality List
    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.
    (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
     
    • La Rioja
    		Recursos Minerales de la Republica Argentina, E. O. Zappettini Ed., Buenos Aires 1999 ISSN 0328-2325
      • Sañogasta District
    		M.K. de Brodtkorb (ed.) (2002) Las Especies Minerales de la Republica Argentina, (Asociacion Mineralogica Argentina)
    Minerales de la Republica Argentina, E. O. Zappettini Ed., Buenos Aires 1999 ISSN 0328-2325
    Canada
     
    • Ontario
      • Cochrane District
        • Kidd Township
          • Timmins
    		ontariominerals.com; Econ Geol (1997) 92:468-484
    Chile
     
    • Atacama Region
      • Chañaral Province
        • Salitrosa-Porvenir district
    		Extra Lapis English No. 5 Gold
    Czech Republic
     
    • Bohemia (Böhmen; Boehmen)
      • Central Bohemia Region
    		Bull.Soc.fr.Min.Crist.(1971) 94, 381-384; Econ Geol (1997) 92:468-484
    • Moravia (Mähren; Maehren)
      • Vysočina Region
        • Rožná deposit
    		Strübel, Zimmer: "Lexikon der Minerale", 2nd Ed., 1991
    Sweden
     
    • Östergötland
      • Valdemarsvik
    		Sandström, F. (2007): Skrikerum. Litiofilen 24 (1), 22-38
    UK
     
    • England
      • Devon
        • South Devon
          • Torquay
    		[Camm, 1995, 71 - "Gold in the Counties of Cornwall and Devon"]
    USA
     
    • Idaho
      • Owyhee Co.
        • De Lamar District
    		Extra Lapis English No. 5 Gold
    • Nevada
      • Elko Co.
        • Gold Circle District (Midas District)
    		NBMG Spec. Pub. 31 Minerals of Nevada
    NBMG Spec. Pub. 31 Minerals of Nevada
    NBMG Spec. Pub. 31 Minerals of Nevada
    • Washington
      • Chelan Co.
        • Wenatchee District
          • Wenatchee
            • Squillchuck Creek
    		Lasmanis, R. (1995): Mineral News: A Compendium of Wenatchee District Mineralogy, Chelan County, Washington, p.6-7
    Mineral and/or Locality
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