Bochek L I, Sandomirskaya S M, Chuvikina N G, Khvorostov V P (1984) A new selenium-containing sulfide of silver, gold, and copper - penginite (Ag,Cu)4Au(S,Se)4. Zapiski Vsesoyuznogo Mineralogicheskogo Obshchestva 113, issue 3, 356-360

Classification of PenzhiniteHide

Strunz-mindat (2024):

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.

Symbol	Source	Reference
Pzh	IMA–CNMNC	Warr, 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

Elements listed:

Ag, Au, Cu, S, Se - search for minerals with similar chemistry

Crystallography of PenzhiniteHide

Crystal System:

Hexagonal

Class (H-M):

6 2 2 - Trapezohedral

Space Group:

P6₃ 2 2

Cell Parameters:

a = 13.779 Å, c = 16.980 Å

Ratio:

a:c = 1 : 1.232

Unit Cell V:

2,791.92 Å³ (Calculated from Unit Cell)

X-Ray Powder DiffractionHide

Powder Diffraction Data:

d-spacing	Intensity
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 Mode	Earliest Age (Ga)
High-𝑇 alteration and/or metamorphism
33 : Minerals deposited by hydrothermal metal-rich fluids (see also [#12])

Type Occurrence of PenzhiniteHide

Type Locality:

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

General Appearance of Type Material:

Intergrowths of elongate or platy grains, to 7 µm

Place of Conservation of Type Material:

A.E. Fersman Mineralogical Museum, Academy of Sciences, Moscow, Russia, 82766.

Associated Minerals at Type Locality:

Reference:

Synonyms of PenzhiniteHide

IMA1982-027

Other Language Names for PenzhiniteHide

German:Penzhinit

Spanish:Penzhinita

Common AssociatesHide

Associated Minerals Based on Photo Data:

1 photo of Penzhinite associated with Chalcopyrite

CuFeS₂

Related Minerals - Strunz-mindat Grouping Hide

2.BA.	Orileyite	(Fe,Cu)₂As
2.BA.	Alburnite	Ag₈GeTe₂S₄	Iso.
2.BA.	Dzierżanowskite	CaCu₂S₂	Trig. 3m (3 2/m) : P3m1
2.BA.	Makotoite	Ag₁₂(Cu₃Au)S₈	Trig. 3m (3 2/m) : R3c
2.BA.	Xuwenyuanite	Ag₉Fe³⁺Te₂S₄	Iso. 4 3m : F4 3m
2.BA.05	Chalcocite	Cu₂S	Mon. 2/m : P2₁/b
2.BA.05	Djurleite	Cu₃₁S₁₆	Mon. 2/m
2.BA.05	Geerite	Cu₈S₅	Trig. 3
2.BA.05	Roxbyite	Cu₉S₅	Tric. 1 : P1
2.BA.10	Anilite	Cu₇S₄	Orth. mmm (2/m 2/m 2/m) : Pnma
2.BA.10	Digenite	Cu₉S₅	Trig. 3m (3 2/m) : R3m
2.BA.15	Bornite	Cu₅FeS₄	Orth. mmm (2/m 2/m 2/m) : Pbca
2.BA.20	Bellidoite	Cu₂Se	Tet. 4/m : P4₂/n
2.BA.20	Berzelianite	Cu_2-xSe (x ≈ 0.12)	Iso. m3m (4/m 3 2/m) : Fm3m
2.BA.25	Athabascaite	Cu₅Se₄	Orth.
2.BA.25	Umangite	Cu₃Se₂	Tet. 4 2m : P4 2₁m
2.BA.30	Rickardite	Cu₇Te₅	Orth. mmm (2/m 2/m 2/m) : Pmmn
2.BA.30	Weissite	Cu_2-xTe	Hex. 6/mmm (6/m 2/m 2/m) : P6/mmm
2.BA.35	Acanthite	Ag₂S	Mon. 2/m : P2₁/m
2.BA.35	Spryite	Ag₈(As³⁺_0.5As⁵⁺_0.5)S₆	Orth. mm2 : Pna2₁
2.BA.40	Mckinstryite	Ag_5-xCu_3+xS₄	Orth. mmm (2/m 2/m 2/m) : Pnma
2.BA.40	Stromeyerite	AgCuS	Orth. mmm (2/m 2/m 2/m)
2.BA.40d	UM2003-13-S:AgAuCu	Ag₆AuCu₂S₅
2.BA.42	Honeaite	Au₃TlTe₂	Orth. mmm (2/m 2/m 2/m) : Pbcm
2.BA.45	Jalpaite	Ag₃CuS₂	Tet. 4/mmm (4/m 2/m 2/m) : I4₁/amd
2.BA.45	Kurilite	Ag₈Te₃Se	Trig. 3 : R3
2.BA.45	Selenojalpaite	Ag₃CuSe₂	Tet. 4/mmm (4/m 2/m 2/m) : I4₁/amd
2.BA.47	Spiridonovite	(Cu_1-xAg_x)₂Te	Trig. 3m (3 2/m) : P3c1
2.BA.50	Eucairite	AgCuSe	Orth.
2.BA.50	Wuyanzhiite	Cu₂S	Tet. 4 2 2 : P4₃ 2₁ 2
2.BA.52	Argentite	Ag₂S	Iso.
2.BA.55	Aguilarite	Ag₄SeS	Mon. 2/m
2.BA.55	Naumannite	Ag₂Se	Orth. 2 2 2 : P2₁ 2₁ 2₁
2.BA.60	Cervelleite	Ag₄TeS	Mon. 2/m
2.BA.60	Hessite	Ag₂Te	Mon. 2/m : P2₁/b
2.BA.60	Chenguodaite	Ag₉Fe³⁺Te₂S₄	Orth.
2.BA.65	Henryite	(Cu,Ag)_3+xTe₂ , with x ~ 0.40	Iso. m3m (4/m 3 2/m) : Fd3c
2.BA.65	Stützite	Ag_5-xTe₃, x = 0.24-0.36	Hex. 6 : P6
2.BA.70	Argyrodite	Ag₈GeS₆	Orth. mm2 : Pna2₁
2.BA.70	Canfieldite	Ag₈SnS₆	Orth. mm2
2.BA.70	Putzite	(Cu_4.7Ag_3.3)GeS₆	Iso. 4 3m : F4 3m
2.BA.75	Fischesserite	Ag₃AuSe₂	Iso. 4 3 2 : I4₁ 3 2
2.BA.75	Petrovskaite	AuAgS	Mon.
2.BA.75	Petzite	Ag₃AuTe₂	Iso. 4 3 2 : I4₁ 3 2
2.BA.75	Uytenbogaardtite	Ag₃AuS₂	Trig. 3m (3 2/m) : R3c
2.BA.80	Bezsmertnovite	(Au,Ag)₄Cu(Te,Pb)	Orth.
2.BA.80	Bilibinskite	PbCu₂Au₃Te₂	Iso.
2.BA.80	Bogdanovite	(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

mindat.org URL:

https://www.mindat.org/min-3156.html
Please feel free to link to this page.

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External Links:

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Raman and XRD data at RRUFF project

References and PDF downloads at RRUFF project

American Mineralogist Crystal Structure Database

Handbook of Mineralogy page PDF

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References for PenzhiniteHide

Reference List:

Dunn, Pete J., Fleischer, Michael, Langley, Richard H., Shigley, James E., Zilczer, Janet A. (1985) New mineral names. American Mineralogist, 70 (7-8) 871-881 pp.875-876

(2023) Penzhinite. Handbook of Mineralogy. Mineralogical Society of America

Localities for PenzhiniteHide

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.

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 ⓘ La Blende deposit ?	Márquez-Zavalía et al. (2016)

Russia (TL)
Kamchatka Krai Koryak Okrug Penzhinsky district Penzhina Bay Penzhina River ⓘ Sergeevskoye Au-Ag occurrence (TL)	Anthony et al. (1990) +1 other reference

Penzhinite

About PenzhiniteHide

Unique IdentifiersHide

IMA Classification of PenzhiniteHide