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Penzhinite

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

Classification of Penzhinite

IMA status:Approved
Strunz 8th edition ID:2/B.07-40
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
Dana 8th edition ID:2.16.18.1

2 : SULFIDES
16 : Miscellaneous
Hey's CIM Ref.: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

Type Locality:Sergeevskoye Au-Ag occurrence, Penzhina River, Penzhina Bay, Kamchatka Oblast', Far-Eastern Region, Russia
Year of Discovery:1984

Physical Properties of Penzhinite

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

Relationship of Penzhinite 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.40Mckinstryite
Ag
 
5-x
Cu
 
3+x
S
 
4
, x ~ 0-0.28
2.BA.40Stromeyerite
AgCuS
2.BA.40dUM2003-13-S:AgAuCu
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.75Fischesserite
Ag
 
3
AuSe
 
2
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
3.3.5Fischesserite
Ag
 
3
AuSe
 
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
3.3.11Bezsmertnovite
(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 Penzhinite

Synonyms:
IMA1982-027
Other Languages:
German:Penzhinit
Spanish:Penzhinita

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 Penzhinite

Reference List:

- +
American Mineralogist (1985): 70: 875-876.

Zapiski Vserossiyskogo Mineralogicheskogo Obshchestva: 113: 356-360.

Internet Links for Penzhinite

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  • Raman and XRD data at RRUFF project
  • American Mineralogist Crystal Structure Database
  • Penzhinite details from Handbook of Mineralogy (PDF)
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    • Localities for Penzhinite

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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.
    Russia
     
    • 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
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    Copyright © Jolyon Ralph and Ida Chau 1993-2011. Site Map. Locality, mineral & photograph data are the copyright of the individuals who submitted them.Further information contact the Site hosted & developed by Jolyon Ralph. Mindat.org is an online information resource dedicated to providing free mineralogical information to all. Mindat relies on the contributions of hundreds of members and supporters. Mindat does not offer minerals for sale. If you would like to add information to improve the quality of our database, then click here to register. Current server date and time: 19th Jun 2011 09:06:18
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