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Polkovicite

A valid IMA mineral species
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05769660017820900332252.jpg
Polkovicite, etc.

PG shafts - Polkowice Główne, Polkowice, Gmina Polkowice, Polkowice County, Lower Silesian Voivodeship, Poland
05421150017860046703951.jpg
Polkovicite, etc.

PG shafts - Polkowice Główne, Polkowice, Gmina Polkowice, Polkowice County, Lower Silesian Voivodeship, Poland
05769660017820900332252.jpg
Polkovicite, etc.

PG shafts - Polkowice Główne, Polkowice, Gmina Polkowice, Polkowice County, Lower Silesian Voivodeship, Poland
05421150017860046703951.jpg
Polkovicite, etc.

PG shafts - Polkowice Główne, Polkowice, Gmina Polkowice, Polkowice County, Lower Silesian Voivodeship, Poland
05769660017820900332252.jpg
Polkovicite, etc.

PG shafts - Polkowice Główne, Polkowice, Gmina Polkowice, Polkowice County, Lower Silesian Voivodeship, Poland
05421150017860046703951.jpg
Polkovicite, etc.

PG shafts - Polkowice Główne, Polkowice, Gmina Polkowice, Polkowice County, Lower Silesian Voivodeship, Poland
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About PolkoviciteHide

07968990017271925883677.jpg
Shaft SW-1 Jan Wyżykowski

PG shafts - Polkowice Główne, Polkowice, Gmina Polkowice, Polkowice County, Lower Silesian Voivodeship, Poland
Formula:
(Fe,Pb)3(Ge,Fe)1-xS4
Colour:
Brownish gray
Lustre:
Metallic
Hardness:
3½
Crystal System:
Isometric
Name:
For the Polkowice Mine, Poland, the type locality.

Forms a series with morozeviczite. One of a few Fe- and Ge-bearing sulphide minerals.


Unique IdentifiersHide

Mindat ID:
3254
Long-form identifier:
mindat:1:1:3254:0

IMA Classification of PolkoviciteHide

IMA status:
Approved
IMA Formula:
(Fe2+,Pb2+)3(Ge4+,Fe3+)1-xS2-4
Approval year:
1974
First published:
1975
Type description reference:
Harańczyk, C. (1975) Morozeviczite and polkovicite, typochemical minerals of Mesozoic mineralization of the Fore-Sudeten monocline. Rudy i Metale: 20: 288–293.

Classification of PolkoviciteHide

Strunz-mindat (2026):
2.CB.35a

2 : SULFIDES and SULFOSALTS (sulfides, selenides, tellurides; arsenides, antimonides, bismuthides; sulfarsenites, sulfantimonites, sulfbismuthites, etc.)
C : Metal Sulfides, M: S = 1: 1 (and similar)
B : With Zn, Fe, Cu, Ag, etc.
Dana 8th ed.:
2.9.5.2

2 : SULFIDES
9 : AmBnXp, with (m+n):p = 1:1
Hey's CIM Ref.:
6.2.7

6 : Sulphosalts - Sulphostannates, Sulphogermanates,Sulpharsenates, Sulphantimonates, Sulphovanadates and Sulphohalides
2 : Sulphogermanates

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

Pronunciation of PolkoviciteHide

Pronunciation:
PlayRecorded byCountry
Łukasz KruszewskiPoland

Physical Properties of PolkoviciteHide

Lustre:
Metallic
Transparency:
Opaque
Colour:
Brownish gray
Streak:
Dark gray
Hardness:
3½ on Mohs scale
Hardness:
VHN50=119 - 124 kg/mm2 - Vickers
Cleavage:
None Observed

Optical Data of PolkoviciteHide

Type:
Isotropic
Anisotropism:
Distinct
Reflectivity:
WavelengthR1 (%)R2 (%)
470nm43.5%44.5%
535nm43.0%44.0%
591nm44.0%45.0%
658nm45.5%46.5%


Graph shows reflectance levels at different wavelengths (in nm). Peak reflectance is 46.5%.
R1 shown in black, R2 shown in red
Colour in reflected light:
White with cream-red tint (lighter than germanite).

Chemistry of PolkoviciteHide

Mindat Formula:
(Fe,Pb)3(Ge,Fe)1-xS4
Element Weights:
Element% weight
Fe45.472 %
S34.812 %
Ge19.716 %

Calculated from ideal end-member formula.
Elements listed:
Fe, Ge, Pb, S - search for minerals with similar chemistry
Common Impurities:
Cu,As

Crystallography of PolkoviciteHide

Crystal System:
Isometric
Cell Parameters:
a = 10.61 Å
Unit Cell V:
1,194.39 ų (Calculated from Unit Cell)
Comment:
Point Group: n.d.; Space Group: n.d. Z=n.d.

X-Ray Powder DiffractionHide

Powder Diffraction Data:
d-spacingIntensity
- Å()
Comments:
Likely the same as for morozevichite, and similar to germanite.

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 PolkoviciteHide

Type Locality:
ⓘ PG shafts - Polkowice Główne (Polkowice-Sieroszowice mine), Polkowice, Gmina Polkowice, Polkowice County, Lower Silesian Voivodeship, Poland
General Appearance of Type Material:
Massive.
Place of Conservation of Type Material:
Jagellonian University, Kraków, Poland.
Geological Setting of Type Material:
In epigenetic veinlets and zones of metasomatic replacement of sandstone and older sulfides, within brecciated sandstones beneath black Cu-bearing Zechstein shales.
Associated Minerals at Type Locality:
BorniteChalcociteChalcopyriteGalenaMarcasite
SphaleriteTennantite Subgroup
Reference:
Harańczyk, C. (1975) Morozeviczite and polkovicite, typochemical minerals of Mesozoic mineralization of the Fore-Sudeten monocline. Rudy i Metale: 20: 288–293.

Synonyms of PolkoviciteHide

Other Language Names for PolkoviciteHide

Relationship of Polkovicite to other SpeciesHide

Common AssociatesHide

Associations Based on Photo Data:
2 photos of Polkovicite associated with Morozeviczite(Pb,Fe)3Ge1-xS4

Related Minerals - Strunz-mindat GroupingHide

2.CB.RichardsiteZn2CuGaS4Tet. 42m : I42m
2.CB.OkruginiteCu2SnSe3Mon. m : Bb
2.CB.HanswilkeiteKFeS2Mon. 2/m : B2/b
2.CB.AuroselenideAuSeMon. 2/m : B2/m
2.CB.Ruizhongite(Ag2◻)Pb3Ge2S8Iso. 43m : I43d
2.CB.AgmantiniteAg2MnSnS4Orth.
2.CB.TolstykhiteAu3S4Te6Tric. 1 : P1
2.CB.GachingiteAu(Te1-xSex)Orth. mmm(2/m2/m2/m)
2.CB.05aHawleyiteCdSIso. 43m : F43m
2.CB.05'UM1998-15-S:CuFeZn'Cu2Fe3Zn5S10
2.CB.05aColoradoiteHgTeIso. 43m : F43m
2.CB.05aMetacinnabarHgSIso. 43m : F43m
2.CB.05aTiemanniteHgSeIso. 43m : F43m
2.CB.05aSphaleriteZnSIso. 43m : F43m
2.CB.05bSakuraiite(Cu,Zn,Fe)3(In,Sn)S4 Iso.
2.CB.05cPolhemusite(Zn,Hg)STet.
2.CB.05aRudashevskyite(Fe,Zn)SIso. 43m : F43m
2.CB.05aStilleiteZnSeIso. 43m : F43m
2.CB.05aIshiharaite(Cu,Ga,Fe,In,Zn)SIso. 43m : F43m
2.CB.07a'Unnamed (Cu-Mn-Sn Sulphide)'Cu2MnSnS4
2.CB.07aShenzhuangiteNiFeS2Tet. 42m : I42d
2.CB.10bTalnakhiteCu9(Fe,Ni)8S16Iso. 43m : I43m
2.CB.10bHaycockiteCu4Fe5S8Orth. 222
2.CB.10aLenaiteAgFeS2Tet. 42m : I42d
2.CB.10aGalliteCuGaS2Tet. 42m : I42d
2.CB.10aRoquesiteCuInS2Tet. 42m : I42d
2.CB.10aEskeborniteCuFeSe2Tet. 42m : P42c
2.CB.10a'UM1984-30-S:CuFeSn'Cu2Fe2Sn3S7
2.CB.10cOmariniiteCu8Fe2ZnGe2S12Orth. 222 : I222
2.CB.10aChalcopyriteCuFeS2Tet. 42m : I42d
2.CB.10a'Unnamed (Cu-Zn-In Sulphide)'CuZn2InS4
2.CB.10bMooihoekiteCu9Fe9S16Tet. 42m : P42m
2.CB.10aLaforêtiteAgInS2Tet. 42m : I42d
2.CB.10bPutoraniteCu1.1Fe1.2S2Iso. m3m(4/m32/m) : Pn3m
2.CB.15aVelikiteCu2HgSnS4Tet. 4 : I4
2.CB.15c'UM2006-11-S:CuFeGeZn'Cu8(Fe,Zn)3Ge2S12 (?)
2.CB.15aHocartiteAg2(Fe2+,Zn)SnS4Tet. 42m : I42m
2.CB.15aKësteriteCu2ZnSnS4Tet. 4 : I4
2.CB.15aPirquitasiteAg2ZnSnS4Tet. 4 : I4
2.CB.15aStanniteCu2FeSnS4Tet. 42m : I42m
2.CB.15cStannoiditeCu+6Cu2+2(Fe2+,Zn)3Sn2S12Orth. 222 : I222
2.CB.15bMohiteCu2SnS3Mon.
2.CB.15aČernýiteCu2CdSnS4Tet. 42m : I42m
2.CB.15aIdaiteCu5FeS6Hex.
2.CB.15aFerrokësteriteCu2FeSnS4Tet. 4 : I4
2.CB.15aKuramiteCu3SnS4Tet. 42m : I42m
2.CB.17a v'Arsenic-bearing Renierite'Cu11GeAsFe4S16
2.CB.20MawsoniteCu6Fe2SnS8Tet. 42m : P4m2
2.CB.20ChatkaliteCu6FeSn2S8Tet. 42m : P4m2
2.CB.30'Frieseite'Ag2Fe5S8 (?)
2.CB.30NekrasoviteCu26V2(Sn,As,Sb)6S32Iso. 43m : P43n
2.CB.30'Argyropyrite'near Ag2Fe7S11
2.CB.30MaikainiteCu20(Fe,Cu)6Mo2Ge6S32Iso. m3m(4/m32/m)
2.CB.30ColusiteCu13VAs3S16Iso. 43m : P43n
2.CB.30GermaniteCu13Fe2Ge2S16Iso. 43m : P43n
2.CB.30GermanocolusiteCu26V2(Ge,As)6S32Iso. 43m : P43m
2.CB.30StibiocolusiteCu13V(Sb,Sn,As)3S16Iso. 43m : P43m
2.CB.30Ovamboite Cu20(Fe,Cu,Zn)6W2Ge6S32Iso. 43m : P43n
2.CB.35aMorozeviczite(Pb,Fe)3Ge1-xS4Iso.
2.CB.35aRenierite(Cu+,Zn)11Fe4(Ge4+,As5+)2S16Tet. 42m : P42c
2.CB.35aHemusiteCu6SnMoS8Iso.
2.CB.35bCatamarcaiteCu6GeWS8Hex. 6mm : P63mc
2.CB.35aVincienniteCu+7Cu2+3Fe2+2Fe3+2Sn(As,Sb)S16Tet.
2.CB.35aKiddcreekiteCu6SnWS8Iso. 43m : F43m
2.CB.40LautiteCuAsSOrth. mmm(2/m2/m2/m) : Pnma
2.CB.42LingbaoiteAgTe3Trig. 3m : R3m
2.CB.45CadmoseliteCdSeHex. 6mm : P63mc
2.CB.45RambergiteMnSHex. 6mm : P63mc
2.CB.45Buseckite(Fe,Zn,Mn)SHex. 6mm : P63mc
2.CB.45MaletoyvayamiteAu3Se4Te6Tric. 1 : P1
2.CB.45GreenockiteCdSHex. 6mm : P63mc
2.CB.45Wurtzite(Zn,Fe)SHex. 6mm : P63mc
2.CB.47MurchisiteCr5S6Trig. 3m(32/m) : P31c
2.CB.50'Zincselenide'ZnSe
2.CB.50WassoniteTiSTrig. 3m(32/m) : R3m
2.CB.52'Dzhezkazganite'ReMoCu2PbS6 ?Trig. 3m : R3m
2.CB.55bIsocubaniteCuFe2S3Iso. m3m(4/m32/m) : Fm3m
2.CB.55aCubaniteCuFe2S3Orth. mmm(2/m2/m2/m)
2.CB.60RaguiniteTlFeS2Orth.
2.CB.60PicotpauliteTlFe2S3Orth. mmm(2/m2/m2/m) : Cmcm
2.CB.65ArgentopyriteAgFe2S3Mon. 2/m
2.CB.65SternbergiteAgFe2S3Orth. mmm(2/m2/m2/m)
2.CB.70SulvaniteCu3VS4Iso. 43m : P43m
2.CB.75VulcaniteCuTeOrth. mmm(2/m2/m2/m)
2.CB.80EmpressiteAgTeOrth. mmm(2/m2/m2/m)
2.CB.85MuthmanniteAuAgTe2Mon. 2/m : P2/m

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 PolkoviciteHide

References for PolkoviciteHide

Localities for PolkoviciteHide

Showing 2 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.
Poland
 
  • Lower Silesian Voivodeship
    • Lubin County
Lis et al. (1986)
    • Polkowice County
      • Gmina Polkowice
        • Polkowice
KGHM Polska Miedź
Quick NavTopAbout PolkoviciteUnique IdentifiersIMA Classification Classification Mineral SymbolsPronunciation Physical Properties Optical Data Chemistry Crystallography X-Ray Powder DiffractionGeological EnvironmentType Occurrence SynonymsOther LanguagesRelationshipsCommon AssociatesStrunz-MindatOther InformationInternet Links References Localities Locality List
 
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