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Penzhinite

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Formula:
(Ag,Cu)4Au(S,Se)4
System:
Hexagonal
Name:
Named for the occurrence near the Penzhina River.
This page provides mineralogical data about Penzhinite.

Classification of Penzhinite

Approved
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
2.16.18.1

2 : SULFIDES
16 : Miscellaneous
3.3.10

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 Penzhinite

Year of Discovery:
1984

Physical Properties of Penzhinite

Metallic
Diaphaneity (Transparency):
Opaque

Crystallography of Penzhinite

Crystal System:
Hexagonal
Cell Parameters:
a = 13.77Å, c = 16.98Å
Ratio:
a:c = 1 : 1.233
Unit Cell Volume:
V 2,788.28 ų (Calculated from Unit Cell)

Chemical Properties of Penzhinite

Formula:
(Ag,Cu)4Au(S,Se)4
Essential elements:
All elements listed in formula:

Relationship of Penzhinite to other Species

2.BA.05ChalcociteCu2S
2.BA.05DjurleiteCu31S16
2.BA.05GeeriteCu8S5
2.BA.05RoxbyiteCu9S5
2.BA.10AniliteCu7S4
2.BA.10DigeniteCu9S5
2.BA.15BorniteCu5FeS4
2.BA.20BellidoiteCu2Se
2.BA.20BerzelianiteCu2Se
2.BA.25AthabascaiteCu5Se4
2.BA.25UmangiteCu3Se2
2.BA.30RickarditeCu7Te5
2.BA.30WeissiteCu2-xTe
2.BA.35AcanthiteAg2S
2.BA.40MckinstryiteAg5-xCu3+xS4
2.BA.40StromeyeriteAgCuS
2.BA.40dUM2003-13-S:AgAuCuAg6AuCu2S5
2.BA.45JalpaiteAg3CuS2
2.BA.45SelenojalpaiteAg3CuSe2
2.BA.50EucairiteAgCuSe
2.BA.55AguilariteAg4SeS
2.BA.55NaumanniteAg2Se
2.BA.60CervelleiteAg4TeS
2.BA.60HessiteAg2Te
2.BA.60ChenguodaiteAg9Fe3+Te2S4
2.BA.65Henryite(Cu,Ag)3+xTe2 , with x ~ 0.40
2.BA.65StütziteAg5-xTe3, x = 0.24-0.36
2.BA.70ArgyroditeAg8GeS6
2.BA.70CanfielditeAg8SnS6
2.BA.70Putzite(Cu4.7Ag3.3)GeS6
2.BA.75FischesseriteAg3AuSe2
2.BA.75PetrovskaiteAuAg(S,Se)
2.BA.75PetziteAg3AuTe2
2.BA.75UytenbogaardtiteAg3AuS2
2.BA.80Bezsmertnovite(Au,Ag)4Cu(Te,Pb)
2.BA.80BilibinskitePbCu2Au3Te2
2.BA.80Bogdanovite(Au,Te,Pb)3(Cu,Fe)
3.3.1CalaveriteAuTe2
3.3.2KrenneriteAu3AgTe8
3.3.3KostoviteCuAuTe4
3.3.4UytenbogaardtiteAg3AuS2
3.3.5FischesseriteAg3AuSe2
3.3.6PetrovskaiteAuAg(S,Se)
3.3.7PetziteAg3AuTe2
3.3.8MuthmanniteAuAgTe2
3.3.9Sylvanite(Au,Ag)2Te4
3.3.11Bezsmertnovite(Au,Ag)4Cu(Te,Pb)
3.3.12BilibinskitePbCu2Au3Te2
3.3.13Bogdanovite(Au,Te,Pb)3(Cu,Fe)
3.3.14Montbrayite(Au,Sb)2Te3

Other Names for Penzhinite

Name in Other Languages:
German:Penzhinit
Spanish:Penzhinita

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 Penzhinite

Reference List:
American Mineralogist (1985): 70: 875-876.

Zapiski Vserossiyskogo Mineralogicheskogo Obshchestva: 113: 356-360.

Internet Links for Penzhinite

Localities for Penzhinite

(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
    • Kamchatka Oblast'
      • Penzhina Bay
        • Penzhina River
Anthony, Bideaux, Bladh, Nichols: "Handbook of Mineralogy", Vol. 1, 1990; Pekov, I. (1998) Minerals First discovered on the territory of the former Soviet Union 369p. Ocean Pictures, Moscow
Mineral and/or Locality  
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