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Penzhinite

A valid IMA mineral species
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07649140017385227582497.jpg
Penzhinite, etc.

Sergeevskoye Au-Ag occurrence, Penzhina River, Penzhina Bay, Penzhinsky district, Koryak Okrug, Kamchatka Krai, Russia
07649140017385227582497.jpg
Penzhinite, etc.

Sergeevskoye Au-Ag occurrence, Penzhina River, Penzhina Bay, Penzhinsky district, Koryak Okrug, Kamchatka Krai, Russia
07649140017385227582497.jpg
Penzhinite, etc.

Sergeevskoye Au-Ag occurrence, Penzhina River, Penzhina Bay, Penzhinsky district, Koryak Okrug, Kamchatka Krai, Russia
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About PenzhiniteHide

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


Unique IdentifiersHide

Mindat ID:
3156
Long-form identifier:
mindat:1:1:3156:7

IMA Classification of PenzhiniteHide

Classification of PenzhiniteHide

Strunz-mindat (2026):
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 ed.:
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

Mineral SymbolsHide

As of 2021 there are now IMA–CNMNC approved mineral symbols (abbreviations) for each mineral species, useful for tables and diagrams.

SymbolSourceReference for Standard
PzhIMA–CNMNCWarr, L.N. (2021). IMA–CNMNC approved mineral symbols. Mineralogical Magazine, 85(3), 291-320. doi:10.1180/mgm.2021.43

Physical Properties of PenzhiniteHide

Lustre:
Metallic
Transparency:
Opaque
Density:
8.35 g/cm3 (Calculated)

Optical Data of PenzhiniteHide

Anisotropism:
evident - creamy yellow and greenish gray.
Colour in reflected light:
pale gray

Chemistry of PenzhiniteHide

Mindat Formula:
(Ag,Cu)4Au(S,Se)4
Element Weights:
Element% weight
Ag57.020 %
S16.950 %

Calculated from ideal end-member formula.
Elements listed:
Ag, Au, Cu, S, Se - search for minerals with similar chemistry

Crystallography of PenzhiniteHide

Crystal System:
Hexagonal
Class (H-M):
622 - Trapezohedral
Space Group:
P6322
Cell Parameters:
a = 13.779 Å, c = 16.980 Å
Ratio:
a:c = 1 : 1.232
Unit Cell V:
2,791.92 ų (Calculated from Unit Cell)
Z:
18

X-Ray Powder DiffractionHide

Powder Diffraction Data:
d-spacingIntensity
2.59 Å(10)
2.71 Å(9)
2.14 Å(9)
2.11 Å(9)
1.989 Å(6)
3.38 Å(5)
1.784 Å(5)

Geological EnvironmentHide

Paragenetic Mode(s):
Paragenetic ModeEarliest Age (Ga)
High-? alteration and/or metamorphism
33 : Minerals deposited by hydrothermal metal-rich fluids (see also [#12])

Type Occurrence of PenzhiniteHide

Synonyms of PenzhiniteHide

Other Language Names for PenzhiniteHide

German:Penzhinit
Spanish:Penzhinita

Common AssociatesHide

Associations Based on Photo Data:
1 photo of Penzhinite associated with ChalcopyriteCuFeS2

Related Minerals - Strunz-mindat GroupingHide

2.BA.MakotoiteAg12(Cu3Au)S8Trig. 3m(32/m) : R3c
2.BA.AlburniteAg8GeTe2S4Iso.
2.BA.DzierżanowskiteCaCu2S2Trig. 3m(32/m) : P3m1
2.BA.XuwenyuaniteAg9Fe3+Te2S4Iso. 43m : F43m
2.BA.'Orileyite'(Fe,Cu)2As
2.BA.JuxingiteBi6Cu+138Cu2+2Fe3+30S125Iso. 43m : F43m
2.BA.05DjurleiteCu31S16Mon. 2/m
2.BA.05GeeriteCu8S5Trig. 3
2.BA.05RoxbyiteCu58S32Tric. 1 : P1
2.BA.05ChalcociteCu2SMon. 2/m : P21/b
2.BA.10DigeniteCu9S5Trig. 3m(32/m) : R3m
2.BA.10AniliteCu7S4Orth. mmm(2/m2/m2/m) : Pnma
2.BA.15BorniteCu5FeS4Orth. mmm(2/m2/m2/m) : Pbca
2.BA.20BellidoiteCu2SeTet. 4/m : P42/n
2.BA.20BerzelianiteCu2-xSe (x ≈ 0.12)Iso. m3m(4/m32/m) : Fm3m
2.BA.25AthabascaiteCu5Se4Orth.
2.BA.25UmangiteCu3Se2Tet. 42m : P421m
2.BA.30RickarditeCu7Te5Orth. mmm(2/m2/m2/m) : Pmmn
2.BA.30WeissiteCu2-xTeHex. 6/mmm(6/m2/m2/m) : P6/mmm
2.BA.35AcanthiteAg2SMon. 2/m : P21/m
2.BA.35SpryiteAg8(As3+0.5As5+0.5)S6Orth. mm2 : Pna21
2.BA.40d'UM2003-13-S:AgAuCu'Ag6AuCu2S5
2.BA.40MckinstryiteAg5-xCu3+xS4Orth. mmm(2/m2/m2/m) : Pnma
2.BA.40StromeyeriteAgCuSOrth. mmm(2/m2/m2/m)
2.BA.42HoneaiteAu3TlTe2 Orth. mmm(2/m2/m2/m) : Pbcm
2.BA.45JalpaiteAg3CuS2Tet. 4/mmm(4/m2/m2/m) : I41/amd
2.BA.45SelenojalpaiteAg3CuSe2Tet. 4/mmm(4/m2/m2/m) : I41/amd
2.BA.45KuriliteAg8Te3SeTrig. 3 : R3
2.BA.47Spiridonovite(Cu1-xAgx)2TeTrig. 3m(32/m) : P3c1
2.BA.50WuyanzhiiteCu2STet. 422 : P43212
2.BA.50EucairiteAgCuSeOrth.
2.BA.52'Argentite'Ag2SIso.
2.BA.55NaumanniteAg2SeOrth. 222 : P212121
2.BA.55AguilariteAg4SeSMon. 2/m
2.BA.60ChenguodaiteAg9Fe3+Te2S4Orth.
2.BA.60HessiteAg2TeMon. 2/m : P21/b
2.BA.60CervelleiteAg4TeSMon. 2/m
2.BA.65Henryite(Cu,Ag)3+xTe2 , with x ~ 0.40Iso. m3m(4/m32/m) : Fd3c
2.BA.65StütziteAg5-xTe3, x = 0.24-0.36Hex. 6 : P6
2.BA.70ArgyroditeAg8GeS6Orth. mm2 : Pna21
2.BA.70Putzite(Cu4.7Ag3.3)GeS6Iso. 43m : F43m
2.BA.70CanfielditeAg8SnS6Orth. mm2 : Pna21
2.BA.75FischesseriteAg3AuSe2Iso. 432 : I4132
2.BA.75UytenbogaardtiteAg3AuS2Trig. 3m(32/m) : R3c
2.BA.75PetrovskaiteAuAgSMon.
2.BA.75PetziteAg3AuTe2Iso. 432 : I4132
2.BA.80Bezsmertnovite(Au,Ag)4Cu(Te,Pb)Orth.
2.BA.80BilibinskitePbCu2Au3Te2Iso.
2.BA.80Bogdanovite(Au,Te,Pb)3(Cu,Fe)Iso.

Other InformationHide

Health Risks:
No information on health risks for this material has been entered into the database. You should always treat mineral specimens with care.

Internet Links for PenzhiniteHide

References for PenzhiniteHide

Localities for PenzhiniteHide

Showing 3 localities.

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.
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Locality ListHide

- This locality has map coordinates listed. - This locality has estimated coordinates. ⓘ - Click for references and further information on this occurrence. ? - Indicates mineral may be doubtful at this locality. - Good crystals or important locality for species. - World class for species or very significant. (TL) - Type Locality for a valid mineral species. (FRL) - First Recorded Locality for everything else (eg varieties). Struck out - Mineral was erroneously reported from this locality. Faded * - Never found at this locality but inferred to have existed at some point in the past (e.g. from pseudomorphs).

All localities listed without proper references should be considered as questionable.
Argentina
 
  • Catamarca Province
    • Belén Department
      • Hualfín
Márquez-Zavalía et al. (2016)
Russia (TL)
 
  • Kamchatka Krai
    • Koryak Okrug
      • Penzhinsky district
        • Penzhina Bay
          • Penzhina River
Anthony et al. (1990) +1 other reference
Turkey
 
  • Ankara Province
    • Altındağ District
Çil et al. (2026)
Quick NavTopAbout PenzhiniteUnique IdentifiersIMA Classification Classification Mineral SymbolsPhysical Properties Optical Data Chemistry Crystallography X-Ray Powder DiffractionGeological EnvironmentType Occurrence SynonymsOther LanguagesCommon AssociatesStrunz-MindatOther InformationInternet Links References Localities Locality List
 
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