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Thalcusite

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Formula:
(Cu,Fe)4Tl2S4
System:
Tetragonal
Colour:
Gray
Lustre:
Metallic
Hardness:
2½ - 3
Member of:
Name:
The name reflects its composition: thallium, copper (latin "cuprum") and sulfur.

Classification of Thalcusite

Approved
Approval Year:
1975
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
2.5.5.1

2 : SULFIDES
5 : AmBnXp, with (m+n):p = 3:2
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

Physical Properties of Thalcusite

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

Chemical Properties of Thalcusite

IMA Formula:
(Cu,Fe)4Tl2S4
Elements listed in formula:
Common Impurities:
K,Pb,Cr,Sb,As

Crystallography of Thalcusite

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

Type Occurrence of Thalcusite

Relationship of Thalcusite to other Species

Member of:
Other Members of Group:
BukoviteTl2(Cu,Fe)4Se4
MurunskiteK2(Cu,Fe)4S4
2.BD.UM2004-33-S:AgCuHgSe(Ag,Cu)8Hg3(S,Se)7
2.BD.05ImiteriteAg2HgS2
2.BD.10GortdrumiteCu18FeHg6S16
2.BD.15BalkaniteAg5Cu9HgS8
2.BD.15Danielsite(Cu,Ag)14HgS8
2.BD.20DonharrisiteNi8Hg3S9
2.BD.25CarliniteTl2S
2.BD.30BukoviteCu4Tl2Se4
2.BD.30MurunskiteK2(Cu,Fe)4S4
2.BD.35Rohaite(Tl,Pb,K)2Cu8.7Sb2S4
2.BD.40Chalcothallite(Cu,Fe,Ag)6.3(Tl,K)2SbS4
2.BD.45SabatieriteCu6TlSe4
2.BD.50CrookesiteCu7TlSe4
2.BD.55BrodtkorbiteCu2HgSe2
3.5.1CinnabarHgS
3.5.2HypercinnabarHgS
3.5.3MetacinnabarHgS
3.5.4ImiteriteAg2HgS2
3.5.5TiemanniteHgSe
3.5.6BalkaniteAg5Cu9HgS8
3.5.7Danielsite(Cu,Ag)14HgS8
3.5.8ColoradoiteHgTe
3.5.9GortdrumiteCu18FeHg6S16
3.5.10Polhemusite(Zn,Hg)S
3.5.11CarliniteTl2S
3.5.12CrookesiteCu7TlSe4
3.5.13SabatieriteCu6TlSe4
3.5.14PicotpauliteTlFe2S3
3.5.15RaguiniteTlFeS2
3.5.17BukoviteCu4Tl2Se4
3.5.18GalliteCuGaS2
3.5.19RoquesiteCuInS2
3.5.20InditeFeIn2S4

Other Names for Thalcusite

Name in Other Languages:
German:Thalcusit
Simplified Chinese:硫铊铁铜矿
Spanish:Thalcusita
Traditional Chinese:硫鉈鐵銅礦

Other Information

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 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

mindat.org URL:
https://www.mindat.org/min-3930.html
Please feel free to link to this page.

Localities for Thalcusite

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.
(TL) indicates type locality for a valid mineral species. (FRL) indicates first recorded locality for everything else. ? 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.; Hubert, P., Werner, H., & Dan, T. (2009). A contribution to the knowledge of the mineralization at Mina Capillitas, Catamarca. Revista de la Asociacion Geologica Argentina, 64(3), 514-524.
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
      • La Vallée-du-Richelieu RCM
        • Mont Saint-Hilaire
Horváth, L and Gault, R.A. (1990), The mineralogy of Mont Saint-Hilaire Quebec. Mineralogical Record: 21: 284-359.
Greenland
 
  • Kujalleq
    • Narsaq
Petersen, O.V. (2001): List of all minerals identified in the Ilímaussaq alkaline complex, South Greenland. Geology of Greenland Survey Bulletin. 190, 25-33
        • Kangerluarsuk Fjord (Kangerdluarssuq Fjord)
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
        • Taseq 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
    • Sakha Republic (Saha 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
      • Fäld (Imfeld; Im Feld; Feld)
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.
Mineral and/or Locality  
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