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Geerite

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De Kalb Township, St Lawrence Co., New York, USA
© 2007 Peter Cristofono

Formula:
Cu
 
8
S
 
5
This page provides mineralogical data about Geerite.

Classification of Geerite

IMA status:Approved 1978
Strunz 8th edition ID:2/B.01-60
Nickel-Strunz 10th (pending) edition ID:2.BA.05

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.:3.1.7

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

Type Locality:Geerite locality, De Kalb Township, St Lawrence Co., New York, USA
Year of Discovery:1980

Chemical Properties of Geerite

Formula:
Cu
 
8
S
 
5
Essential elements:Cu, S
All elements listed in formula:Cu, S
Common Impurities:Fe,Zn

Relationship of Geerite to other Species

Related Minerals - Nickel-Strunz Grouping):

- +
2.BA.05Chalcocite
Cu
 
2
S
2.BA.05Djurleite
Cu
 
31
S
 
16
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.35Argentite
2.BA.40Mckinstryite
(Ag,Cu)
 
2
S
2.BA.40Stromeyerite
AgCuS
2.BA.40dUM2003-13
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.60Cervelleite
Ag
 
4
TeS
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:

- +
3.1.1Chalcocite
Cu
 
2
S
3.1.2Djurleite
Cu
 
31
S
 
16
3.1.3Digenite
Cu
 
9
S
 
5
3.1.4Anilite
Cu
 
7
S
 
4
3.1.5Roxbyite
Cu
 
9
S
 
5
3.1.6Spionkopite
Cu
 
39
S
 
28
3.1.8Covellite
CuS
3.1.9Berzelianite
Cu
 
2
Se
3.1.10Bellidoite
Cu
 
2
Se
3.1.11Umangite
Cu
 
3
Se
 
2
3.1.12Yarrowite
Cu
 
9
S
 
8
3.1.13Athabascaite
Cu
 
5
Se
 
4
3.1.14Klockmannite
CuSe
3.1.15Krut'aite
CuSe
 
2
3.1.16Weissite
Cu
 
2-x
Te
3.1.17Rickardite
Cu
 
7
Te
 
5
3.1.18Vulcanite
CuTe
3.1.19Bambollaite
Cu(Se,Te)
 
2
3.1.20Lautite
CuAsS
3.1.21Mgriite
Cu
 
3
AsSe
 
3
3.1.22Cubanite
CuFe
 
2
S
 
3
3.1.23Bornite
Cu
 
5
FeS
 
4
3.1.24Fukuchilite
Cu
 
3
FeS
 
8
3.1.25Chalcopyrite
CuFeS
 
2
3.1.26Mooihoekite
Cu
 
9
Fe
 
9
S
 
16
3.1.27Haycockite
Cu
 
4
Fe
 
5
S
 
8
3.1.28Isocubanite
CuFe
 
2
S
 
3
3.1.29Idaite
Cu
 
5
FeS
 
6
3.1.30Nukundamite
(Cu,Fe)
 
4
S
 
4
3.1.31Putoranite
Cu
 
9
(Fe,Ni)
 
9
S
 
16
3.1.32Orickite
2CuFeS
 
2
·H
 
2
O
3.1.33Eskebornite
CuFeSe
 
2
3.1.34Chaméanite
(Cu,Fe)
 
4
As(Se,S)
 
4
3.1.35Talnakhite
Cu
 
9
(Fe,Ni)
 
8
S
 
16

Other Names for Geerite

Synonyms:
IMA1978-024
Other Languages:
German:Geerit
Spanish:Geerita

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 Geerite

Reference List:American Mineralogist: 66: 1274.

Canadian Mineralogist: 23: 61-76.

Internet Links for Geerite

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  • Raman and XRD data at RRUFF project
  • American Mineralogist Crystal Structure Database
  • Search for Geerite in the Natural History Museum (London) online catalogue
  • Geerite details from Handbook of Mineralogy (PDF)
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    Localities for Geerite

    Hide Locality List
    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.
    (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.
    Atlantic Ocean
     
    • Mid-Atlantic Ridge complex
    		Gablina, I.F., Semkova, T.A., Stepanova, T.V., and Gor\'kova, N.V. (2006): Lithology and Mineral Resources 41(1), 27-44.
    Australia
     
    • Queensland
      • Mt Isa - Cloncurry area
        • Cloncurry District
    • Victoria
      • Lake Boga
    Canada
     
    • Québec
      • Bas-Saint-Laurent
        • Témiscouata RCM
          • Lac Témiscouata
    		Mineralium Deposita 44 (2009) 285-301
    Democratic Republic of Congo (Zaïre)
     
    • Katanga (Shaba)
      • Katanga Copper Crescent
        • Western area
          • Kolwezi
    		Can.Min. 46,19-31(2008)
    Germany
     
    • Baden-Württemberg
      • Black Forest
        • Wolfach
          • Oberwolfach
            • Rankach valley
    		Walenta, K. (1992): Die Mineralien des Schwarzwaldes. Chr. Weise Verlag, München, 336 pp. (in German)
    • North Rhine-Westphalia
      • Bergisches Land
        • Eckenhagen
          • Tilkhausen
    		Weiss: "Mineralfundstellen, Deutschland West", 1990
    Greece
     
    • Sterea Hellas Department
      • Fthiótis Prefecture
        • Lamia
          • Othrys (Othris) Mt ophiolite complex
    		Anthony, Bideaux, Bladh, Nichols: "Handbook of Mineralogy", Vol. 1, 1990
    Iran
     
    • Yazd Province
      • Ardakan (Ardekan)
    		http://www.fos.ut.ac.ir/~journal/G.80.1E_2.htm
    Italy
     
    • Veneto
      • Vicenza Province
        • Torrebelvicino
          • Mercanti Valley
    		Pegoraro, S., Orlandi, P., Chiereghin, P., Contin, A. & Toniolo, E. (2009). I minerali del Monte Trisa (Torrebelvicino, Vicenza). Rivista Mineralogica Italiana, 3/2009, 160-179.
    Japan
     
    • Honshu Island
      • Chubu Region
        • Shizuoka Prefecture
          • Shimoda City
            • Rendaiji
    		Matsubara, S. & Miyawaki, R. (2006) Catalogue of Japanese Minerals (National Science Museum)
    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. 109.
    UK
     
    • England
      • Warwickshire
        • Nuneaton
    		UKJMM 26:43-51
    USA
     
    • New Mexico
      • Sierra Co.
        • Chloride District
          • Chloride
    		Northrop, Minerals of New Mexico, 3rd Rev. Ed., 1996
    • New York
      • St Lawrence Co.
        • De Kalb Township
    		Canadian Mineralogist Vol. 18, pp. 519-523 (1980)
    Mineral and/or Locality
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