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Kenoargentotetrahedrite-(Fe)

A valid IMA mineral species
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00516980017058675632028.jpg
Kenoargentotetrahedrite-(Fe), etc.

Barbara adit, Meiselding, Mölbling, Sankt Veit an der Glan District, Carinthia, Austria
00516980017058675632028.jpg
Kenoargentotetrahedrite-(Fe), etc.

Barbara adit, Meiselding, Mölbling, Sankt Veit an der Glan District, Carinthia, Austria
07915600017084736867731.jpg
Kenoargentotetrahedrite-(Fe), etc.

Barbara adit, Meiselding, Mölbling, Sankt Veit an der Glan District, Carinthia, Austria
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About Kenoargentotetrahedrite-(Fe)Hide

Formula:
[Ag6]4+(Cu4Fe2+2)Sb4S12◻
Ag in the M2 site consists of a [Ag6]4+ cluster that presumably exhibits metal-metal bonding; the "missing" M2 charge is compensated by a vacancy in the S2 site; thus, there are only 12 S atoms per formula unit, not 13.
Lustre:
Metallic
Crystal System:
Isometric
Name:
The name kenoargentotetrahedrite-(Fe) partially supplants the former name freibergite for Fe>Zn members. The new name follows the revised nomenclature for the tetrahedrite group (Biagioni et al 2020).
Sb analogue of Kenoargentotennantite-(Fe).

The name kenoargentotetrahedrite-(Fe) partially supplants the former name freibergite for Fe>Zn members.


Unique IdentifiersHide

Mindat ID:
53610
Long-form identifier:
mindat:1:1:53610:3
GUID
(UUID V4):
059e7a93-3800-47c3-a810-024a2a3024d7

IMA Classification of Kenoargentotetrahedrite-(Fe)Hide

Classification of Kenoargentotetrahedrite-(Fe)Hide

Strunz-mindat (2024):
2.GB.05

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

Physical Properties of Kenoargentotetrahedrite-(Fe)Hide

Lustre:
Metallic
Transparency:
Opaque

Chemistry of Kenoargentotetrahedrite-(Fe)Hide

Mindat Formula:
[Ag6]4+(Cu4Fe2+2)Sb4S12◻

Ag in the M2 site consists of a [Ag6]4+ cluster that presumably exhibits metal-metal bonding; the "missing" M2 charge is compensated by a vacancy in the S2 site; thus, there are only 12 S atoms per formula unit, not 13.
Elements listed:
Ag, Cu, Fe, S, Sb - search for minerals with similar chemistry

Crystallography of Kenoargentotetrahedrite-(Fe)Hide

Crystal System:
Isometric
Class (H-M):
4 3m - Hextetrahedral
Space Group:
I4 3m
Cell Parameters:
a = 10.4930(4) Å
Unit Cell V:
1155.31 ų
Comment:
Space group by analogy with other members of Tetrahedrite group. Cell parameters from 'freibergite' of Welch et al 2018.

Geological EnvironmentHide

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

Type Occurrence of Kenoargentotetrahedrite-(Fe)Hide

Co-Type Localities:
ⓘ Himmelsfürst Mine, Brand-Erbisdorf, Mittelsachsen, Saxony, Germany
ⓘ Hab Acht Mine, Beschert Glück Mine, Zug, Freiberg, Mittelsachsen, Saxony, Germany
Place of Conservation of Type Material:
Senchenberg Museum collection, Frankfurt, Germany, 2289sa.
British Museum Natural History, London, UK, BM88668.
Reference:
Biagioni, C., George, L. L., Cook, N. J., Makovicky, E., Moëlo, Y., Pasero, M., ... & Bosi, F. (2020). The tetrahedrite group: Nomenclature and classification. American Mineralogist, 105(1), 109-122.

Other Language Names for Kenoargentotetrahedrite-(Fe)Hide

Relationship of Kenoargentotetrahedrite-(Fe) to other SpeciesHide

Member of:
Freibergite Subgroup > Tetrahedrite Group
Other Members of this group:
Argentotetrahedrite-(Cd)Ag6(Cu4Cd2)Sb4S12SIso. 4 3m : I4 3m
Argentotetrahedrite-(Fe)Ag6(Cu4Fe2)Sb4S12SIso. 4 3m : I4 3m
Argentotetrahedrite-(Hg)Ag6(Cu4Hg2)Sb4S12SIso. 4 3m : I4 3m
Argentotetrahedrite-(Zn)Ag6(Cu4Zn2)Sb4S12SIso. 4 3m : I4 3m
Kenoargentotetrahedrite-(Zn)[Ag6]4+(Cu4Zn2)Sb4S12◻Iso. 4 3m : I4 3m

Common AssociatesHide

Associated Minerals Based on Photo Data:
1 photo of Kenoargentotetrahedrite-(Fe) associated with GalenaPbS
1 photo of Kenoargentotetrahedrite-(Fe) associated with QuartzSiO2

Related Minerals - Strunz-mindat GroupingHide

2.GB.Polybasite-TacTrig. 3m (3 2/m) : P3m1
2.GB.Argentotetrahedrite-(Hg)Ag6(Cu4Hg2)Sb4S12SIso. 4 3m : I4 3m
2.GB.Hakite-(Zn)Cu6(Cu4Zn2)Sb4Se12SeIso. 4 3m : I4 3m
2.GB.Hakite-(Cd)Cu6(Cu4Cd2)Sb4Se12SeIso. 4 3m : I4 3m
2.GB.Argentotetrahedrite-(Zn)Ag6(Cu4Zn2)Sb4S12SIso. 4 3m : I4 3m
2.GB.Pošepnýite(Cu+3◻3)(Hg2+4Cu+2)Sb4Se12(Se0.5◻0.5)Iso. 4 3m : I4 3m
2.GB.ArgentopearceiteAg16As2S11Trig. 3 2 : P3 2 1
2.GB.Zvěstovite-(Zn)Ag6(Ag4Zn2)As4S12SIso.
2.GB.Kenoargentotennantite-(Fe)[Ag6]4+(Cu4Fe2)As4S12◻Iso.
2.GB.Tennantite-(Hg)Cu6(Cu4Hg2)As4S12SIso. 4 3m : I4 3m
2.GB.Kenoargentotetrahedrite-(Zn)[Ag6]4+(Cu4Zn2)Sb4S12◻Iso. 4 3m : I4 3m
2.GB.Tennantite-(Cu)Cu6(Cu4Cu2)As4S12SIso. 4 3m : I4 3m
2.GB.Stibiogoldfieldite(Cu4Cu2)(Cu4Cu+2)(Sb2Te2)S12SIso. 4 3m : I4 3m
2.GB.Tennantite-(Ni)Cu6(Cu4Ni2)As4S12SIso. 4 3m : I4 3m
2.GB.Tetrahedrite-(Ni)Cu6(Cu4Ni2)Sb4S12SIso. 4 3m : I4 3m
2.GB.Stibioústalečite(Cu4Cu2)(Cu4Cu+2)(Sb2Te2)Se12SeIso. 4 3m : I4 3m
2.GB.Arsenogoldfieldite(Cu4Cu2)(Cu4Cu+2)(As2Te2)S12SIso. 4 3m : I4 3m
2.GB.Tennantite-(In)Cu6(Cu4(In3+Cu+))As4S12SIso. 4 3m : I4 3m
2.GB.Tennantite-(Cd)Cu6(Cu4Cd2)As4S12SIso. 4 3m : I4 3m
2.GB.Tetrahedrite-(Mn)Cu6(Cu4Mn2)Sb4S12SIso. 4 3m : I4 3m
2.GB.Argentopolybasite[Ag6Sb2S7][Ag9AgS4]Trig. 3 2 : P3 2 1
2.GB.XKenorozhdestvenskayaite-(Fe)[Ag6]4+(Ag4Fe2+2)Sb4S12◻Iso. 4 3m : I4 3m
2.GB.Argentotetrahedrite-(Cd)Ag6(Cu4Cd2)Sb4S12SIso. 4 3m : I4 3m
2.GB.Tennantite-(Mn)Cu6(Cu4Mn2)As4S12SIso. 4 3m : I4 3m
2.GB.Zvěstovite-(Fe)Ag6(Ag4Fe2+2)As4S12SIso. 4 3m : I4 3m
2.GB.Hakite-(Fe)Cu6(Cu4Fe2+2)Sb4Se12SeIso. 4 3m : I4 3m
2.GB.Tetrahedrite-(Cu)Cu6(Cu4Cu2+2)Sb4S12SIso. 4 3m : I4 3m
2.GB.Arsenoústalečite(Cu4Cu2)(Cu4Cu+2)(As2Te2)Se12SeIso. 4 3m : I4 3m
2.GB.Tetrahedrite-(Cd)Cu6(Cu4Cd2)Sb4S12SIso. 4 3m : I4 3m
2.GB.05Argentotennantite-(Zn)Ag6(Cu4Zn2)As4S12SIso. 4 3m : I4 3m
2.GB.05Freibergite Subgroup(Ag6,[Ag6]4+)(Cu4 C2+2)Sb4S12S0-1Iso. 4 3m : I4 3m
2.GB.05Giraudite-(Zn)Cu6(Cu4Zn2)As4Se12SeIso. 4 3m : I4 3m
2.GB.05Goldfieldite(Cu4◻2)(Cu4Cu+2)Te4S12SIso. 4 3m : I4 3m
2.GB.05Hakite-(Hg)Cu6(Cu4Hg2)Sb4Se12SeIso. 4 3m : I4 3m
2.GB.05Tennantite SubgroupCu6(Cu4C2+2)As4S12SIso. 4 3m : I4 3m
2.GB.05Tetrahedrite SubgroupCu6(Cu4C2+2)Sb4S12SIso. 4 3m : I4 3m
2.GB.05Argentotetrahedrite-(Fe)Ag6(Cu4Fe2)Sb4S12SIso. 4 3m : I4 3m
2.GB.05Rozhdestvenskayaite-(Zn)Ag6(Ag4Zn2)Sb4S12SIso. 4 3m : I4 3m
2.GB.05UM1992-21-S:AgFeSbAg6(Ag4Fe2+2)Sb4S12SIso.
2.GB.05Tennantite-(Zn)Cu6(Cu4Zn2)As4S12SIso. 4 3m : I4 3m
2.GB.05Tetrahedrite-(Zn)Cu6(Cu4Zn2)Sb4S12SIso. 4 3m : F4 3m
2.GB.05Tennantite-(Fe)Cu6(Cu4Fe2+2)As4S12SIso. 4 3m : I4 3m
2.GB.05Tetrahedrite-(Fe)Cu6(Cu4Fe2+2)Sb4S12SIso. 4 3m : I4 3m
2.GB.05Tetrahedrite-(Hg)Cu6(Cu4Hg2)Sb4S12SIso. 4 3m : I4 3m
2.GB.10SelenostephaniteAg5SbSe4Orth. 2 2 2 : P21 21 21
2.GB.10StephaniteAg5SbS4Orth. mm2 : Cmc21
2.GB.15Pearceite[Ag6As2S7][Ag9CuS4]Trig. 3m (3 2/m) : P3m1
2.GB.15Polybasite[Ag6Sb2S7][Ag9CuS4]Mon. 2/m : B2/m
2.GB.15UM2003-14-S:AgBiFeTeAg16FeBiTe3S8
2.GB.15Selenopolybasite[(Ag,Cu)6(Sb,As)2(S,Se)7][Ag9Cu(S,Se)2Se2]Trig. 3m (3 2/m) : P3m1
2.GB.15Cupropearceite[Cu6As2S7][Ag9CuS4]Trig. 3m (3 2/m) : P3m1
2.GB.15Cupropolybasite[Cu6Sb2S7][Ag9CuS4]Trig. 3m : P3 1m
2.GB.15UM1979-17-S:BiCuFe~Cu18Fe4BiS16
2.GB.20Galkhaite(Hg5Cu)CsAs4S12Iso. 4 3m : I4 3m
2.GB.20Vorontsovite(Hg5Cu)Σ6TlAs4S12Iso. 4 3m : I4 3m
2.GB.20Ferrovorontsovite(Fe5Cu)Σ6TlAs4S12Iso. 4 3m : I4 3m

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 Kenoargentotetrahedrite-(Fe)Hide

References for Kenoargentotetrahedrite-(Fe)Hide

Localities for Kenoargentotetrahedrite-(Fe)Hide

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.
Austria
 
  • Carinthia
    • Sankt Veit an der Glan District
      • Mölbling
        • Meiselding
Auer et al. (2022)
Bolivia
 
  • Potosí
    • Sud Chichas Province
      • Atocha Municipality
Velebil et al. (2023)
    • Tomás Frías Province
      • Potosí (Potosí Municipality)
Velebil et al. (2023)
Canada
 
  • Yukon
    • Mayo mining district
      • Keno Hill
rruff.info (n.d.)
China
 
  • Liaoning
    • Huludao
      • Jianchang County
Shu et al. (2022)
Czech Republic
 
  • Central Bohemian Region
    • Benešov District
      • Zvěstov
Sejkora et al. (2022)
Germany (TL)
 
  • Saxony
    • Mittelsachsen
      • Brand-Erbisdorf
Biagioni et al. (2020)
      • Freiberg
        • Zug
          • Beschert Glück Mine
Biagioni et al. (2020)
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