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Thalfenisite

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Formula:
Tl6(Fe,Ni,Cu)25S26Cl
Colour:
Brown
Lustre:
Metallic
Hardness:
1 - 1½
Name:
The name reflects its composition: thallium, iron (latin "ferrum"), nickel and sulfur.
Djerfisherite Group


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Classification of ThalfenisiteHide

Approved
Approval Year:
1979
2.FC.05

2 : SULFIDES and SULFOSALTS (sulfides, selenides, tellurides; arsenides, antimonides, bismuthides; sulfarsenites, sulfantimonites, sulfbismuthites, etc.)
F : Sulfides of arsenic, alkalies; sulfides with halide, oxide, hydroxide, H2O
C : With Cl, Br, I (halide-sulfides)
2.15.2.2

2 : SULFIDES
15 : Chlor-sulfides
6.5.12

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

Physical Properties of ThalfenisiteHide

Metallic
Transparency:
Opaque
Colour:
Brown
Hardness:
1 - 1½ on Mohs scale

Chemical Properties of ThalfenisiteHide

Formula:
Tl6(Fe,Ni,Cu)25S26Cl
IMA Formula:
Tl6(Fe,Ni)25S26Cl
Common Impurities:
K

Type Occurrence of ThalfenisiteHide

Synonyms of ThalfenisiteHide

Other Language Names for ThalfenisiteHide

Simplified Chinese:硫镍铁铊矿
Spanish:Thalfenisita

Relationship of Thalfenisite to other SpeciesHide

Other Members of this group:
Cu-djerfisheriteK6(Cu,Fe)25S26Cl
DjerfisheriteK6(Fe,Cu,Ni)25S26ClIso. m3m (4/m 3 2/m) : Pm3m
Owensite(Ba,Pb)6(Cu,Fe,Ni)25S27Iso. m3m (4/m 3 2/m) : Pm3m
Zoharite(Ba,K)6(Fe,Cu,Ni)25S27Iso. m3m (4/m 3 2/m) : Pm3m

Common AssociatesHide

Associated Minerals Based on Photo Data:
Galena1 photo of Thalfenisite associated with Galena on mindat.org.
Silver1 photo of Thalfenisite associated with Silver on mindat.org.
Chalcopyrite1 photo of Thalfenisite associated with Chalcopyrite on mindat.org.

Related Minerals - Nickel-Strunz GroupingHide

2.FC.Demicheleite-(I)BiSIOrth. mmm (2/m 2/m 2/m) : Pnma
2.FC.05DjerfisheriteK6(Fe,Cu,Ni)25S26ClIso. m3m (4/m 3 2/m) : Pm3m
2.FC.05Owensite(Ba,Pb)6(Cu,Fe,Ni)25S27Iso. m3m (4/m 3 2/m) : Pm3m
2.FC.10BartoniteK6Fe20S26STet. 4/mmm (4/m 2/m 2/m) : I4/mmm
2.FC.10ChlorbartoniteK6Fe24S26(Cl,S)Tet. 4/mmm (4/m 2/m 2/m) : I4/mmm
2.FC.15aArzakiteHg2+3S2(Br,Cl)2Mon.
2.FC.15aCorderoiteHg2+3S2Cl2Iso. m3 (2/m 3)
2.FC.15cGrechishcheviteHg2+3S2(Br,Cl,I)2Tet.
2.FC.15aLavrentieviteHg2+3S2(Cl,Br)2Mon.
2.FC.15dRadtkeiteHg2+3S2IClMon. 2/m : B2/m
2.FC.15bKenhsuiteHg2+3S2Cl2Orth.
2.FC.20aCapgaronniteAgHgClSOrth.
2.FC.20cPerrouditeHg5Ag4S5(I,Br)2Cl2Orth. 2 2 2 : P21 21 2
2.FC.20bIltisiteHgAgS(Cl,Br)Hex.
2.FC.25Demicheleite-(Br)BiSBrOrth. mmm (2/m 2/m 2/m) : Pnma
2.FC.25Demicheleite-(Cl)BiSClOrth. mmm (2/m 2/m 2/m) : Pnma

Related Minerals - Dana Grouping (8th Ed.)Hide

2.15.2.1DjerfisheriteK6(Fe,Cu,Ni)25S26ClIso. m3m (4/m 3 2/m) : Pm3m
2.15.2.3Owensite(Ba,Pb)6(Cu,Fe,Ni)25S27Iso. m3m (4/m 3 2/m) : Pm3m

Related Minerals - Hey's Chemical Index of Minerals GroupingHide

6.5.1CorderoiteHg2+3S2Cl2Iso. m3 (2/m 3)
6.5.2ArzakiteHg2+3S2(Br,Cl)2Mon.
6.5.3LavrentieviteHg2+3S2(Cl,Br)2Mon.
6.5.4GrechishcheviteHg2+3S2(Br,Cl,I)2Tet.
6.5.5RadtkeiteHg2+3S2IClMon. 2/m : B2/m
6.5.6CapgaronniteAgHgClSOrth.
6.5.7PerrouditeHg5Ag4S5(I,Br)2Cl2Orth. 2 2 2 : P21 21 2
6.5.8ArdaitePb19Sb13S35Cl7Mon.
6.5.9DadsonitePb23Sb25S60ClTric. 1 : P1
6.5.10RadhakrishnaitePbTe3(Cl,S)2Tet.
6.5.11DjerfisheriteK6(Fe,Cu,Ni)25S26ClIso. m3m (4/m 3 2/m) : Pm3m

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.

References for ThalfenisiteHide

Reference List:
Sort by Year (asc) | by Year (desc) | by Author (A-Z) | by Author (Z-A)
Zapiski Vserossiyskogo Mineralogicheskogo Obshchestva (1979): 108: 696-701.
American Mineralogist (1981): 66: 219.

Internet Links for ThalfenisiteHide

Localities for ThalfenisiteHide

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 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 (eg from pseudomorphs.)

All localities listed without proper references should be considered as questionable.
Russia (TL)
 
  • Eastern-Siberian Region
    • Taymyrskiy Autonomous Okrug
      • Taimyr Peninsula
        • Putoran Plateau
          • Noril'sk
            • Talnakh Cu-Ni Deposit
ZVMO,(1979) 108, 696-701; Pekov, I. (1998) Minerals First discovered on the territory of the former Soviet Union 369p. Ocean Pictures, Moscow
Mineral and/or Locality  
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