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Thalcusite

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Formula:
Tl
 
2
Cu
 
3
FeS
 
4
System:TetragonalColour:Gray
Hardness:2½ - 3
Name:The name reflects its composition: thallium, copper (latin "cuprum") and sulfur.


Bukovite Group

Classification of Thalcusite

IMA status:Approved 1975
Strunz 8th edition ID:2/F.04-30
Nickel-Strunz 10th (pending) edition ID:2.BD.30

2 : SULFIDES and SULFOSALTS (sulfides, selenides, tellurides; arsenides, antimonides, bismuthides; sulfarsenites, sulfantimonites, sulfbismuthites, etc.)
B : Metal Sulfides, M: S > 1: 1 (mainly 2: 1)
D : With Hg, Tl
Dana 8th edition ID:2.5.5.1

2 : SULFIDES
5 : AmBnXp, with (m+n):p = 3:2
Hey's CIM Ref.:3.5.16

3 : Sulphides, Selenides, Tellurides, Arsenides and Bismuthides (except the arsenides, antimonides and bismuthides of Cu, Ag and Au, which are included in Section 1)
5 : Sulphides etc. of Hg and Tl
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Type Occurrence of Thalcusite

Type Locality:Mayak Mine (Majak Mine), Talnakh Cu-Ni Deposit, Noril'sk, Putoran Plateau, Taimyr Peninsula, Taymyrskiy Autonomous Okrug, Eastern-Siberian Region, Russia
Year of Discovery:1976

Physical Properties of Thalcusite

Lustre:Metallic
Diaphaneity (Transparency):Opaque
Colour:Gray
Hardness (Mohs):2½ - 3

Crystallography of Thalcusite

Crystal System:Tetragonal
Cell Parameters:a = 3.88Å, c = 13.25Å
Ratio:a:c = 1 : 3.415
Unit Cell Volume:V 199.47 ų (Calculated from Unit Cell)

Chemical Properties of Thalcusite

Formula:
Tl
 
2
Cu
 
3
FeS
 
4
Essential elements:Cu, Fe, S, Tl
All elements listed in formula:Cu, Fe, S, Tl
Common Impurities:K,Pb,Cr,Sb,As

Relationship of Thalcusite to other Species

Structurally related to group(s):
Bukovite Group
Related Minerals - Nickel-Strunz Grouping):

- +
2.BD.UM2004-33-S:AgCuHgSe
(Ag,Cu)
 
8
Hg
 
3
(S,Se)
 
7
2.BD.05Imiterite
Ag
 
2
HgS
 
2
2.BD.10Gortdrumite
(Cu,Fe)
 
6
Hg
 
2
S
 
5
2.BD.15Balkanite
Cu
 
9
Ag
 
5
HgS
 
8
2.BD.15Danielsite
(Cu,Ag)
 
14
HgS
 
8
2.BD.20Donharrisite
Ni
 
8
Hg
 
3
S
 
9
2.BD.25Carlinite
Tl
 
2
S
2.BD.30Bukovite
Tl
 
2
(Cu,Fe)
 
4
Se
 
4
2.BD.30Murunskite
K
 
2
(Cu,Fe)
 
4
S
 
4
2.BD.35Rohaite
(Tl,Pb,K)
 
2
Cu
 
8.7
Sb
 
2
S
 
4
2.BD.40Chalcothallite
Tl
 
2
(Cu,Fe)
 
6
SbS
 
4
2.BD.45Sabatierite
Cu
 
6
TlSe
 
4
2.BD.50Crookesite
Cu
 
7
(Tl, Ag)Se
 
4
2.BD.55Brodtkorbite
Cu
 
2
HgSe
 
2
Related Minerals - Hey's Index Grouping:

- +
3.5.1Cinnabar
HgS
3.5.2Hypercinnabar
HgS
3.5.3Metacinnabar
HgS
3.5.4Imiterite
Ag
 
2
HgS
 
2
3.5.5Tiemannite
HgSe
3.5.6Balkanite
Cu
 
9
Ag
 
5
HgS
 
8
3.5.7Danielsite
(Cu,Ag)
 
14
HgS
 
8
3.5.8Coloradoite
HgTe
3.5.9Gortdrumite
(Cu,Fe)
 
6
Hg
 
2
S
 
5
3.5.10Polhemusite
(Zn,Hg)S
3.5.11Carlinite
Tl
 
2
S
3.5.12Crookesite
Cu
 
7
(Tl, Ag)Se
 
4
3.5.13Sabatierite
Cu
 
6
TlSe
 
4
3.5.14Picotpaulite
TlFe
 
2
S
 
3
3.5.15Raguinite
TlFeS
 
2
3.5.17Bukovite
Tl
 
2
(Cu,Fe)
 
4
Se
 
4
3.5.18Gallite
CuGaS
 
2
3.5.19Roquesite
CuInS
 
2
3.5.20Indite
FeIn
 
2
S
 
4

Other Names for Thalcusite

Synonyms:
IMA1975-023
Other Languages:
German:Thalcusit
Simplified Chinese:硫铊铁铜矿
Spanish:Thalcusita

Other Information

Health Warning:No information on health risks for this material has been entered into the database. You should always treat mineral specimens with care.

References for Thalcusite

Reference List:

- +
Kovalenker V.A., Laputina I.P., Evstigneeva T.L., Izoitko V.M. (1976): Zapiski Vserossiyskogo Mineralogicheskogo Obshchestva: 105: 202-206.

Kovalenker V.A., Laputina I.P., Semenov Y.E., Evstigneeva T.L. (1978): Doklady Akademii Nauk SSSR: 239: 1203-1206.

American Mineralogist (1977): 62: 396.

Makovický E., Johan Z., Karup-Møller S. (1980): Neues Jahrbuch für Mineralogie, Abhandlungen: 138: 122-146.

Dobrovolskaya M.G., Malov V.S., Rogova V.P., Vyalsov L.N. (1982): Doklady Akademii Nauk SSSR: 267: 1214-1217.

Mookherjee A., Mozgova N.N., Golonova T.I., Mishra B. (1984): Neues Jahrbuch für Mineralogie, Monatshefte: 1984: 444-454.

American Mineralogist (1994): 79: 1211.

Internet Links for Thalcusite

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    • Localities for Thalcusite

    The 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.
    Hide Locality List
    (TL) indicates type locality. ? indicates mineral may be doubtful at this locality. All other localities listed without reference should be considered as uncertain and unproven until references can be found.
    Argentina
     
    • Catamarca
      • Andalgalá Department
    		Paar, W., Roberts, A.C., Topa, D., Zagler, G., Berlepsch, P., Armbruster, Th. (2004): Putzite, (Cu4.7 Ag3.3)GeS6, a new mineral species from Capillitas, Catamarca, Argentina: description and crystal structure. Canadian Mineralogist: 42: 1757-1769. ; Milka K. de Brodtkorb (2002) Las Especies Minerales de la Republica Argentina. Vol. 1 (elements, sulphides and sulphosalts). (Asociacion Mineralogica Argentina); DE BRODTKORB, Milka K. Precious metaltellurides and other Te-bearing minerals in different paragenesis of Argentina: A review. Rev. Asoc. Geol. Argent. [online]. 2009, vol.64, n.3, pp. 365-372.
    PUTZ, Hubert; PAAR, Werner H and TOPA, Dan. A contributionto the knowledge of the mineralization at mina Capillitas, Catamarca. Rev. Asoc. Geol. Argent. [online]. 2009, vol.64, n.3, pp. 514-524.
    Canada
     
    • Québec
      • Montérégie
        • Rouville RCM
          • Mont Saint-Hilaire
    		Horváth, L and Gault, R.A. (1990), The mineralogy of Mont Saint-Hilaire Quebec. Mineralogical Record: 21: 284-359.
    Greenland
     
    • Kitaa (West Greenland) Province
      • Narsaq
        • Ilimaussaq complex
          • Kangerdluarssuq (Kangerdluarssuk; Kangerdluarsuk) Firth
    		Karup-Moeller, S., Makovicky E. (2001): Thalcusite from Nakkaalaaq, the Ilimaussaq alkaline complex, South Greenland, South Greenland, Geology of Greenland Survey Bulletin, 190, 127-130
    Karup-Moeller, S., Makovicky E. (2001): Thalcusite from Nakkaalaaq, the Ilimaussaq alkaline complex, South Greenland, South Greenland, Geology of Greenland Survey Bulletin, 190, 127-130
          • Tasseq area
    		Karup-Moeller, S., Makovicky E. (2001): Thalcusite from Nakkaalaaq, the Ilimaussaq alkaline complex, South Greenland, South Greenland, Geology of Greenland Survey Bulletin, 190, 127-130
    Karup-Moeller, S., Makovicky E. (2001): Thalcusite from Nakkaalaaq, the Ilimaussaq alkaline complex, South Greenland, South Greenland, Geology of Greenland Survey Bulletin, 190, 127-130
    India
     
    • Rajasthan (Rajputana)
      • Udaipur Division
        • Udaipur District
          • Rajpura-Dariba deposit
    		Anthony, Bideaux, Bladh, Nichols: "Handbook of Mineralogy", Vol. 1, 1990
    Russia
     
    • Eastern-Siberian Region
      • Saha Republic (Sakha Republic; Yakutia)
        • Aldan Shield
          • Chara and Tokko Rivers Confluence
    		[Lapis 1993:4 p.13-20]
      • Taymyrskiy Autonomous Okrug
        • Taimyr Peninsula
          • Putoran Plateau
            • Noril'sk
              • Talnakh Cu-Ni Deposit
    		ZVMO,(1976) 105, 202-206; Pekov, I. (1998) Minerals First discovered on the territory of the former Soviet Union 369p. Ocean Pictures, Moscow
    Sweden
     
    • Småland
      • Jönköping
        • Gränna
    		Kramm, U.& Koark, H. (1988): Isotopic composition of Galena lead from the Norra Kärr peralkaline complex, Sweden. Geologiska Föreningen i Stockholm Förhandlinga, 110: 311-316
    Switzerland
     
    • Wallis (Valais)
      • Binn Valley
        • Im Feld (Imfeld; Feld; Fäld)
    		aufschluss 2005 Guastoni, A., & De Battisti, L., 2006. Thalcusite. Un altro minerale di tallio scoperto a Lengenbach, Valle di Binn, Svizzera. Rivista Mineralogica Italiana, 30 (1), 54-55.
    USA
     
    • Alaska
      • Juneau Borough
        • Admiralty District
    		Taylor, C.D., and Johnson, C.A., editors, 2010, Geology, geochemistry, and genesis of the Greens Creek massive sulfide deposit, Admiralty Island, southeastern Alaska: U.S. Geological Survey Professional Paper 1763, 429 p., 7 plates on CD.
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    Copyright © Jolyon Ralph and Ida Chau 1993-2011. Site Map. Locality, mineral & photograph data are the copyright of the individuals who submitted them.Further information contact the Site hosted & developed by Jolyon Ralph. Mindat.org is an online information resource dedicated to providing free mineralogical information to all. Mindat relies on the contributions of hundreds of members and supporters. Mindat does not offer minerals for sale. If you would like to add information to improve the quality of our database, then click here to register. Current server date and time: 29th Jun 2011 19:14:18
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