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Cervelleite

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Big Photo

Bambollita Mine (Oriental Mine), Moctezuma, Mun. de Moctezuma, Sonora, Mexico
© 2005 M. Kampf




Formula:
Ag
 
4
TeS
System:IsometricColour:dark grey, black
Hardness:2


A Cu-rich variety (up to 6 wt.% Cu) has been reported (Helmy, 1999; see also Voudouris et al., 2011).

Classification of Cervelleite

IMA status:Approved 1986
Strunz 8th edition ID:2/B.05-60
Nickel-Strunz 10th (pending) edition ID:2.BA.60

2 : SULFIDES and SULFOSALTS (sulfides, selenides, tellurides; arsenides, antimonides, bismuthides; sulfarsenites, sulfantimonites, sulfbismuthites, etc.)
B : Metal Sulfides, M: S > 1: 1 (mainly 2: 1)
A : With Cu, Ag, Au
Hey's CIM Ref.:3.2.8

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

Type Locality:Bambollita Mine (Oriental Mine), Moctezuma, Mun. de Moctezuma, Sonora, Mexico
Year of Discovery:1989

Physical Properties of Cervelleite

Lustre:Metallic
Colour:dark grey, black
Hardness (Mohs):2
Cleavage:None Observed

Crystallography of Cervelleite

Crystal System:Isometric
Cell Parameters:a = 14.03Å
Unit Cell Volume:V 2,761.68 ų (Calculated from Unit Cell)

Chemical Properties of Cervelleite

Formula:
Ag
 
4
TeS
Essential elements:Ag, S, Te
All elements listed in formula:Ag, S, Te

Relationship of Cervelleite to other Species

Related Minerals - Nickel-Strunz Grouping):

- +
2.BA.05Chalcocite
Cu
 
2
S
2.BA.05Djurleite
Cu
 
31
S
 
16
2.BA.05Geerite
Cu
 
8
S
 
5
2.BA.05Roxbyite
Cu
 
9
S
 
5
2.BA.10Anilite
Cu
 
7
S
 
4
2.BA.10Digenite
Cu
 
9
S
 
5
2.BA.15Bornite
Cu
 
5
FeS
 
4
2.BA.20Bellidoite
Cu
 
2
Se
2.BA.20Berzelianite
Cu
 
2
Se
2.BA.25Athabascaite
Cu
 
5
Se
 
4
2.BA.25Umangite
Cu
 
3
Se
 
2
2.BA.30Rickardite
Cu
 
7
Te
 
5
2.BA.30Weissite
Cu
 
2-x
Te
2.BA.35Acanthite
Ag
 
2
S
2.BA.40Mckinstryite
Ag
 
5-x
Cu
 
3+x
S
 
4
2.BA.40Stromeyerite
AgCuS
2.BA.40dUM2003-13-S:AgAuCu
Ag
 
6
AuCu
 
2
S
 
5
2.BA.45Jalpaite
Ag
 
3
CuS
 
2
2.BA.45Selenojalpaite
Ag
 
3
CuSe
 
2
2.BA.50Eucairite
AgCuSe
2.BA.55Aguilarite
Ag
 
4
SeS
2.BA.55Naumannite
Ag
 
2
Se
2.BA.60Hessite
Ag
 
2
Te
2.BA.60Chenguodaite
Ag
 
9
Fe
3+
 
Te
 
2
S
 
4
2.BA.65Henryite
Ag
 
3
Cu
 
4
Te
 
4
2.BA.65Stützite
Ag
 
5-x
Te
 
3
, x = 0.24-0.36
2.BA.70Argyrodite
Ag
 
8
GeS
 
6
2.BA.70Canfieldite
Ag
 
8
(Sn,Ge)(S,Te)
 
6
2.BA.70Putzite
(Cu
 
4.7
Ag
 
3.3
)GeS
 
6
2.BA.75Fischesserite
Ag
 
3
AuSe
 
2
2.BA.75Penzhinite
(Ag,Cu)
 
4
Au(S,Se)
 
4
2.BA.75Petrovskaite
AuAg(S,Se)
2.BA.75Petzite
Ag
 
3
AuTe
 
2
2.BA.75Uytenbogaardtite
Ag
 
3
AuS
 
2
2.BA.80Bezsmertnovite
(Au,Ag)
 
4
Cu(Te,Pb)
2.BA.80Bilibinskite
PbCuAu
 
3
Te
 
2
2.BA.80Bogdanovite
(Au,Te,Pb)
 
3
(Cu,Fe)
Related Minerals - Hey's Index Grouping:

- +
3.2.1Acanthite
Ag
 
2
S
3.2.3Naumannite
Ag
 
2
Se
3.2.4Aguilarite
Ag
 
4
SeS
3.2.5Hessite
Ag
 
2
Te
3.2.6Empressite
AgTe
3.2.7Stützite
Ag
 
5-x
Te
 
3
, x = 0.24-0.36
3.2.9Dervillite
Ag
 
2
AsS
 
2
3.2.10Stromeyerite
AgCuS
3.2.11Mckinstryite
Ag
 
5-x
Cu
 
3+x
S
 
4
3.2.12Jalpaite
Ag
 
3
CuS
 
2
3.2.13Eucairite
AgCuSe
3.2.14Cameronite
AgCu
 
7
Te
 
10
3.2.15Henryite
Ag
 
3
Cu
 
4
Te
 
4
3.2.16Sternbergite
AgFe
 
2
S
 
3
3.2.17Argentopyrite
AgFe
 
2
S
 
3
3.2.18Geffroyite
(Cu,Fe,Ag)
 
9
(Se,S)
 
8
3.2.19Argentopentlandite
Ag(Fe,Ni)
 
8
S
 
8

Other Names for Cervelleite

Synonyms:
IMA1986-018
Other Languages:
German:Cervelleit
Spanish:Cervelleita

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 Cervelleite

Reference List:

- +
A. J. Criddle, J. E. Chisholm & C. J. Stanley (1989): Cervelleite, Ag4TeS, a new mineral from the Bambolla mine, Mexico, and a description of a photo-chemical reaction involving cervelleite, acanthite and hessite. European Journal of Mineralogy: 1: 371-380.

American Mineralogist: 75: 1431.

Helmy, H. M. (1999): The Um Samiuki volcanogenic Zn-Cu-Pb-Ag deposit, Eastern Desert, Egypt: a possible new occurrence of cervelleite. Canadian Mineralogist 37, 143-154.

Panagiotis Christos Voudouris, Paul G. Spry, Gregory Aarne Sakellaris und Constantinos Mavrogonatos (2011): A cervelleite-like mineral and other Ag-Cu-Te-S minerals [Ag2CuTeS and (Ag,Cu)2TeS] in gold-bearing veins in metamorphic rocks of the Cycladic Blueschist Unit, Kallianou, Evia Island, Greece. Mineralogy and Petrology, 101, 169-183.

Internet Links for Cervelleite

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  • Raman and XRD data at RRUFF project
  • American Mineralogist Crystal Structure Database
  • Cervelleite details from Handbook of Mineralogy (PDF)
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    • Localities for Cervelleite

    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
     
    • Chubut
      • Gastre
    		Brodtkorb (2002): Las Especies Minerales de la Republica 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.
    Topa, D., Makovicky, E., Paar, W., Brodtkorb, M. (2004): The crystal structure of Angelaite, Cu2AgPbBiS4, a new mineral species from Angela mine, Province of Chubut, Argentina. 32nd IGC - Florence, 2004.; BRODTKORB, M.K. de y PAAR, W.. Angelaite in the paragenesis of Los Manantiales district, Chubut, Argentina: a new mineral species. Rev. Asoc. Geol. Argent. [online]. 2004, vol.59, n.4, pp. 787-78
    • Río Negro
      • Valcheta
        • San Martin Pluton
    		Paar, et al. (1996): 3 Reunión de Mineralogía y Metalogenia, Inst. de Recursos Minerales. UNLP Publication 5:1-7, La Plata; 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.; GOZALVEZ, Martín Ricardo. Characterizationof San Martín pluton and associated tungsten deposits, Valcheta Department, Río Negro Province. Rev. Asoc. Geol. Argent. [online]. 2009, vol.64, n.3, pp. 409-425.
    Bulgaria
     
    • Plovdiv Oblast
      • Rhodope Mts
        • Nedelino ore field
    		http://www.bgd.bg/summanual_2002_5.htm
    China
     
    • Anhui Province
      • Chuzhou Prefecture
        • Langya District
    		Li, Y. and Qing, C.K. (1999): Acta Mineralogica Sinica 19, 426–435.
    • Liaoning Province (Manchuria; Dongbei Region)
      • Huludao Prefecture
        • Jianchang Co.
    		Li, Y. and Qing, C.K. (1999): Acta Mineralogica Sinica 19, 426–435.
    • Shandong Province
      • Jiaodong Peninsula (Jiaodong Gold Province)
        • Yantai Prefecture
          • Zhaoyuan Co.
    		Xiang-Ping Gu, Makoto Watanabe, Kenichi Hoshino, and Yasuhiro Shibata (2003): European Journal of Mineralogy 15(1), 147-155.
    Egypt
     
    • Red Sea Governorate
      • Eastern Desert
        • Um Samiuki
    		Canadian Mineralogist Feb. 1999
    Greece
     
    • Aegean Islands (Aiyaíon) Department
      • Kykládes Prefecture
        • Cyclade Islands (Cyclades; Kikladhes; Nomos Kikladhon)
          • Tinos Island
    		Econ. Geol. 102 (2007) 1269-1294.
    Japan
     
    • Honshu Island
      • Chubu Region
        • Shizuoka Prefecture
          • Shimoda City
            • Rendaiji
    		Shimizu et al. (1994) Sanko-Gakkai Kou'en-Youshi, 30.; Int Geol Congr (2008) Oslo. MRD-09
    Mexico
     
    • Sonora
      • Mun. de Moctezuma
        • Moctezuma
    		Eur.J.Min.(1989) 1, 371-380
    Lapis 2001(1), 11-40
    Romania
     
    • Alba Co.
    		Tamas, C. G.; Bailly, L.; Ghergari, L.; O'Connor, G.; Minut, A. (2006): New occurrences of tellurides and argyrodite in Rosia Montana, Apuseni mountains, Romania, and their metallogenic significance. Canadian Mineralogist 44, 367-383.
    • Bihor Co.
      • Nucet
    		www.minerals-of-the carpathians.eu (2009)
    • Caras-Severin Co.
      • Banat Mts
        • Ocna de Fier-Dognecea District
    		http://minerals-of-the-carpathians.eu
    Russia
     
    • Eastern-Siberian Region
      • Prebaikalia (Pribaikal'e)
        • Irkutskaya Oblast'
          • Bodaibo
            • Lena Gold District
              • Kropotkinsky ore cluster
    		http://www.igem.ru/igem/chem/pt/sukhloge.htm
    Slovakia
     
    • Prešov Region
      • Prešov Co.
    		Duda et. all.,1981:Minerály severnej časti Slanských vrchov. Min.Slovca,Monografia 2,Bratislava, 98 p
    Switzerland
     
    • Grischun (Grisons; Graubünden)
      • Vorderrhein Valley
        • Tujetsch (Tavetsch)
          • Curnera Valley
    		Stalder, H. A., Wagner, A., Graeser, S. and Stuker, P. (1998): Mineralienlexikon der Schweiz. Wepf (Basel), p. 103.
    USA
     
    • Arizona
      • Cochise Co.
        • Tombstone Hills
          • Tombstone District
    		EDS confirmed by Bob Housley.
    • California
      • San Bernardino Co.
        • Baker
    		EDS confirmed by Bob Housley.
    • Colorado
      • Boulder Co.
        • Ward District
    		Minerals of Colorado (1997) Eckels, E. B.
    • Montana
      • Madison Co.
        • Norwegian District (Whitehall District)
    		Mineralogical Magazine 1996 60 : 871-876
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