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Zvěstovite-(Zn)

A valid IMA mineral species
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04988030017272473352545.jpg
Zvěstov old dump

Zvěstov deposit, Zvěstov, Benešov District, Central Bohemian Region, Czech Republic
Formula:
Ag6(Ag4Zn2)As4S12S
Colour:
Grey
Lustre:
Metallic
Hardness:
3½ - 4
Specific Gravity:
5.16 (Calculated)
Crystal System:
Isometric
Name:
Named after its type locality, Zvěstov. The suffix indicates the dominant divalent C-constituent, according to the IMA approved nomenclature of the tetrahedrite group.
The As-analogue of rozhdestvenskayaite-(Zn).


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Name EncodingHide

CP1252:
Zvestovite-(Zn)
Latin-1:
Zvestovite-(Zn)
ASCII-7:
Zvestovite-(Zn)

Unique IdentifiersHide

Mindat ID:
55246
Long-form identifier:
mindat:1:1:55246:6

Similar NamesHide

Zvěstovite-(Fe)A valid IMA mineral speciesAg6(Ag4Fe22+)As4S12S

IMA Classification of Zvěstovite-(Zn)Hide

IMA status:
Approved
IMA Formula:
Ag1+6(Ag1+4Zn2+2)As3+4S2-13
Approval year:
2020
First published:
2021

Classification of Zvěstovite-(Zn)Hide

Strunz-mindat (2026):
2.GB.

2 : SULFIDES and SULFOSALTS (sulfides, selenides, tellurides; arsenides, antimonides, bismuthides; sulfarsenites, sulfantimonites, sulfbismuthites, etc.)
G : Sulfarsenites, sulfantimonites, sulfbismuthites
B : Neso-sulfarsenites, etc. with additional S

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

Physical Properties of Zvěstovite-(Zn)Hide

Lustre:
Metallic
Transparency:
Opaque
Colour:
Grey
Hardness:
3½ - 4 on Mohs scale
Density:
5.16 g/cm3 (Calculated)

Optical Data of Zvěstovite-(Zn)Hide

Bireflectance:
None
Reflectivity:
WavelengthR1 (%)
470nm28.5%
546nm26.9%
589nm25.5%
650nm23.8%


Graph shows reflectance levels at different wavelengths (in nm). Peak reflectance is 28.5%.
Colour in reflected light:
Grey with a greenish tint.
Internal Reflections:
Ubiquitous, deep red
Pleochroism:
Non-pleochroic

Chemistry of Zvěstovite-(Zn)Hide

Mindat Formula:
Ag6(Ag4Zn2)As4S12S
Element Weights:
Element% weight
Ag56.007 %
S21.643 %
As15.560 %
Zn6.789 %

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

Crystallography of Zvěstovite-(Zn)Hide

Crystal System:
Isometric
Cell Parameters:
a = 10.850(2) Å
Unit Cell V:
1,277.29 ų (Calculated from Unit Cell)
Z:
2
Comment:
Spacegroup I4-3m

X-Ray Powder DiffractionHide

Powder Diffraction Data:
d-spacingIntensity
7.672 Å(5)
4.429 Å(4)
3.132 Å(100)
2.712 Å(22)
2.128 Å(5)
1.981 Å(11)
1.918 Å(32)
1.636 Å(15)
Locality:
Zvěstov deposit, Zvěstov, Benešov District, Central Bohemian Region, Czech Republic
Comments:
From Type Description.

Type Occurrence of Zvěstovite-(Zn)Hide

Type Locality:
ⓘ Zvěstov deposit, Zvěstov, Benešov District, Central Bohemian Region, Czech Republic
General Appearance of Type Material:
Rare relic anhedral grains rimmed by acanthite, up to 100 μm in size.
Place of Conservation of Type Material:
Type material is deposited in the mineralogical collections of the Department of Mineralogy and Petrology, National Museum in Prague, Cirkusová 1740, 19300 Prague 9, Czech Republic, catalogue number P1P 50/2020, and the Museo di Storia Naturale, Università di Pisa, Via Roma 79, Calci (PI), catalogue number 19921.
Associated Minerals at Type Locality:
AcanthiteArgentotennantite-(Zn)AzuriteBaryteMalachite
QuartzTennantite-(Zn)Tetrahedrite-(Zn)

Synonyms of Zvěstovite-(Zn)Hide

Other Language Names for Zvěstovite-(Zn)Hide

Relationship of Zvěstovite-(Zn) to other SpeciesHide

Member of:
Zvěstovite Subgroup > Tetrahedrite Group
Other Members of Zvěstovite Subgroup:
Zvěstovite-(Fe)Ag6(Ag4Fe2+2)As4S12SIso. 43m : I43m

Related Minerals - Strunz-mindat GroupingHide

2.GB.'Polybasite-Tac'[Ag6Sb2S7][Ag9CuS4]Trig. 3m(32/m) : P3m1
2.GB.Kenoargentotetrahedrite-(Zn)[Ag6]4+(Cu4Zn2)Sb4S12◻Iso. 43m : I43m
2.GB.Argentotetrahedrite-(Hg)Ag6(Cu4Hg2)Sb4S12SIso. 43m : I43m
2.GB.Annivite-(Zn)Cu6(Cu4Zn2)Bi4S12SIso. 43m : I43m
2.GB.Pošepnýite(Cu+3◻3)(Hg2+4Cu+2)Sb4Se12(Se0.5◻0.5)Iso. 43m : I43m
2.GB.Tennantite-(Cu)Cu6(Cu4Cu2)As4S12SIso. 43m : I43m
2.GB.Argentopolybasite[Ag6Sb2S7][Ag9AgS4]Trig. 32 : P321
2.GB.Tennantite-(Mn)Cu6(Cu4Mn2)As4S12SIso. 43m : I43m
2.GB.Argentotetrahedrite-(Cd)Ag6(Cu4Cd2)Sb4S12SIso. 43m : I43m
2.GB.Stibioústalečite(Cu4Cu2)(Cu4Cu+2)(Sb2Te2)Se12SeIso. 43m : I43m
2.GB.Stibiogoldfieldite(Cu4Cu2)(Cu4Cu+2)(Sb2Te2)S12SIso. 43m : I43m
2.GB.Argentotetrahedrite-(Zn)Ag6(Cu4Zn2)Sb4S12SIso. 43m : I43m
2.GB.Tetrahedrite-(Cd)Cu6(Cu4Cd2)Sb4S12SIso. 43m : I43m
2.GB.Arsenogoldfieldite(Cu4Cu2)(Cu4Cu+2)(As2Te2)S12SIso. 43m : I43m
2.GB.Arsenoústalečite(Cu4Cu2)(Cu4Cu+2)(As2Te2)Se12SeIso. 43m : I43m
2.GB.Tennantite-(In)Cu6(Cu5In)As4S13Iso. 43m : I43m
2.GB.Zvěstovite-(Fe)Ag6(Ag4Fe2+2)As4S12SIso. 43m : I43m
2.GB.Hakite-(Fe)Cu6(Cu4Fe2+2)Sb4Se12SeIso. 43m : I43m
2.GB.Tennantite-(Cd)Cu6(Cu4Cd2)As4S12SIso. 43m : I43m
2.GB.XKenorozhdestvenskayaite-(Fe)[Ag6]4+(Ag4Fe2+2)Sb4S12◻Iso. 43m : I43m
2.GB.Tetrahedrite-(Cu)Cu6(Cu4Cu2+2)Sb4S12SIso. 43m : I43m
2.GB.Hakite-(Zn)Cu6(Cu4Zn2)Sb4Se12SeIso. 43m : I43m
2.GB.Hakite-(Cd)Cu6(Cu4Cd2)Sb4Se12SeIso. 43m : I43m
2.GB.Kenoargentotennantite-(Fe)[Ag6]4+(Cu4Fe2)As4S12◻Iso. 43m : I43m
2.GB.Tennantite-(Hg)Cu6(Cu4Hg2)As4S12SIso. 43m : I43m
2.GB.Tetrahedrite-(Mn)Cu6(Cu4Mn2)Sb4S12SIso. 43m : I43m
2.GB.Tennantite-(Ni)Cu6(Cu4Ni2)As4S12SIso. 43m : I43m
2.GB.Tetrahedrite-(Ni)Cu6(Cu4Ni2)Sb4S12SIso. 43m : I43m
2.GB.05Hakite-(Hg)Cu6(Cu4Hg2)Sb4Se12SeIso. 43m : I43m
2.GB.05Rozhdestvenskayaite-(Zn)Ag6(Ag4Zn2)Sb4S12SIso. 43m : I43m
2.GB.05Argentotennantite-(Zn)Ag6(Cu4Zn2)As4S12SIso. 43m : I43m
2.GB.05Argentotennantite-(Fe)Ag6(Cu4Fe2)As4S12SIso. 43m : I43m
2.GB.05Freibergite Subgroup(Ag6,[Ag6]4+)(Cu4 C2+2)Sb4S12S0-1Iso. 43m : I43m
2.GB.05Tennantite SubgroupCu6(Cu4C2+2)As4S12SIso. 43m : I43m
2.GB.05Tennantite-(Zn)Cu6(Cu4Zn2)As4S12SIso. 43m : I43m
2.GB.05Tetrahedrite-(Zn)Cu6(Cu4Zn2)Sb4S12SIso. 43m : F43m
2.GB.05Tetrahedrite SubgroupCu6(Cu4C2+2)Sb4S12SIso. 43m : I43m
2.GB.05Tennantite-(Fe)Cu6(Cu4Fe2+2)As4S12SIso. 43m : I43m
2.GB.05Tetrahedrite-(Fe)Cu6(Cu4Fe2+2)Sb4S12SIso. 43m : I43m
2.GB.05Tetrahedrite-(Hg)Cu6(Cu4Hg2)Sb4S12SIso. 43m : I43m
2.GB.05Kenoargentotetrahedrite-(Fe)[Ag6]4+(Cu4Fe2+2)Sb4S12◻Iso. 43m : I43m
2.GB.05Giraudite-(Zn)Cu6(Cu4Zn2)As4Se12SeIso. 43m : I43m
2.GB.05Argentotetrahedrite-(Fe)Ag6(Cu4Fe2)Sb4S12SIso. 43m : I43m
2.GB.05Goldfieldite(Cu4◻2)(Cu4Cu+2)Te4S12SIso. 43m : I43m
2.GB.05'UM1992-21-S:AgFeSb'Ag6(Ag4Fe2+2)Sb4S12SIso.
2.GB.10SelenostephaniteAg5SbSe4Orth. 222 : P212121
2.GB.10StephaniteAg5SbS4Orth. mm2 : Cmc21
2.GB.15'UM2003-14-S:AgBiFeTe'Ag16FeBiTe3S8
2.GB.15'UM1979-17-S:BiCuFe'~Cu18Fe4BiS16
2.GB.15Pearceite[Ag6As2S7][Ag9CuS4]Trig. 3m(32/m) : P3m1
2.GB.15ArgentopearceiteAg16As2S11Trig. 32 : P321
2.GB.15Cupropolybasite[Cu6Sb2S7][Ag9CuS4]Trig. 3m : P31m
2.GB.15Fengruiite[Ag6Sb2S7][Ag9CuS2Te2]Trig. 3m(32/m) : P3m1
2.GB.15Auropearceite [Ag9AuS4][Ag6As2S7]Trig. 32 : P321
2.GB.15Selenopolybasite[(Ag,Cu)6(Sb,As)2(S,Se)7][Ag9Cu(S,Se)2Se2]Trig. 3m(32/m) : P3m1
2.GB.15Polybasite[Ag6Sb2S7][Ag9CuS4]Mon. 2/m : B2/m
2.GB.15Auropolybasite[Ag9AuS4][Ag6Sb2S7]Trig. 32 : P321
2.GB.15Cupropearceite[Cu6As2S7][Ag9CuS4]Trig. 3m(32/m) : P3m1
2.GB.20Vorontsovite(Hg5Cu)Σ6TlAs4S12Iso. 43m : I43m
2.GB.20Ferrovorontsovite(Fe5Cu)Σ6TlAs4S12Iso. 43m : I43m
2.GB.20Galkhaite(Hg5Cu)CsAs4S12Iso. 43m : I43m

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 Zvěstovite-(Zn)Hide

References for Zvěstovite-(Zn)Hide

Localities for Zvěstovite-(Zn)Hide

Showing 6 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.
Czech Republic (TL)
 
  • Central Bohemian Region
    • Benešov District
      • Zvěstov
Sejkora et al. (2021)
Germany
 
  • Lower Saxony
    • Göttingen District
      • Bad Lauterberg
Koch et al. (2018)
Greece
 
  • Attica
    • East Attica
      • Lavreotiki
        • Plaka
          • Plaka Mines
Branko Rieck collection
Russia
 
  • Tuva
    • Ovyursky District
Sejkora et al. (2021)
Slovakia
 
  • Banská Bystrica Region
    • Žarnovica District
      • Nová Baňa
Vlasáč et al. (2025)
Vlasáč et al. (2025) +1 other reference
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