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Pekoite

Big Photo

Aqshatau Mine, Aqshatau (Akchatau; Akschatau; Akchataul), Qaraghandy Oblysy (Karaganda Oblast'), Kazakhstan
© Pavel M. Kartashov

Show Pekoite Photos (2)
Formula:
PbCuBi
 
11
(S,Se)
 
18
System:OrthorhombicColour:lead-grey
Hardness:2 - 3


Aikinite-Bismuthinite Series.

Classification of Pekoite

IMA status:Approved 1975
Strunz 8th edition ID:2/E.30-70
Nickel-Strunz 10th (pending) edition ID:2.HB.05a

2 : SULFIDES and SULFOSALTS (sulfides, selenides, tellurides; arsenides, antimonides, bismuthides; sulfarsenites, sulfantimonites, sulfbismuthites, etc.)
H : Sulfosalts of SnS archetype
B : With Cu, Ag, Fe, Sn and Pb
Dana 8th edition ID:3.4.5.6

3 : SULFOSALTS
4 : ø = 3
Hey's CIM Ref.:5.7.17

5 : Sulphosalts - Sulpharsenites and Sulphobismuthites (those containing Sn, Ge,or V are in Section 6)
7 : Sulpharsenites etc. of Pb and other metals
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Type Occurrence of Pekoite

Type Locality:Juno Mine (Peko Mine), Tennant Creek, Tennant Inlier, Northern Territory, Australia
Year of Discovery:1976

Physical Properties of Pekoite

Lustre:Metallic
Diaphaneity (Transparency):Opaque
Colour:lead-grey
Streak:lead-grey
Hardness (Mohs):2 - 3
Cleavage:Distinct/Good

Crystallography of Pekoite

Crystal System:Orthorhombic
Cell Parameters:a = 11.47Å, b = 33.74Å, c = 4.01Å
Ratio:a:b:c = 0.34 : 1 : 0.119
Unit Cell Volume:V 1,551.86 ų (Calculated from Unit Cell)

Chemical Properties of Pekoite

Formula:
PbCuBi
 
11
(S,Se)
 
18
Essential elements:Bi, Cu, Pb, S
All elements listed in formula:Bi, Cu, Pb, S, Se
Common Impurities:Ag,Fe

Relationship of Pekoite to other Species

Related Minerals - Nickel-Strunz Grouping):

- +
2.HB.05aAikinite
PbCuBiS
 
3
2.HB.05aFriedrichite
Pb
 
5
Cu
 
5
Bi
 
7
S
 
18
2.HB.05aGladite
PbCuBi
 
5
S
 
9
2.HB.05aHammarite
Pb
 
2
Cu
 
2
Bi
 
4
S
 
9
2.HB.05cJaskólskiite
Pb
 
2+x
Cu
 
x
(Sb,Bi)
 
2-x
S
 
6
 (x = 0.2)
2.HB.05aKrupkaite
PbCuBi
 
3
S
 
6
2.HB.05aLindströmite
Pb
 
3
Cu
 
3
Bi
 
7
S
 
15
2.HB.05bMeneghinite
Pb
 
13
CuSb
 
7
S
 
24
2.HB.05aEmilite
Pb
 
2.7
Cu
 
2.7
Bi
 
5.3
S
 
12
2.HB.05UM2000-46-S:BiCuPb
Cu
 
0.33
Pb
 
0.33
Bi
 
7.67
S
 
12
2.HB.05aSalzburgite
Pb
 
1.6
Cu
 
1.6
Bi
 
6.4
S
 
12
2.HB.05UM1990-54-Se:BiCuPb
CuPb(Ni,Co)
 
0.3
Bi
 
3
Se
 
6
2.HB.05aPaarite
Pb
 
1.7
Cu
 
1.7
Bi
 
6.3
S
 
12
2.HB.10cEclarite
(Cu,Fe)Pb
 
9
Bi
 
12
S
 
28
2.HB.10bGiessenite
Pb
 
27
Cu
 
2
(Bi,Sb)
 
19
S
 
57
2.HB.10bIzoklakeite
Pb
 
27
(Cu,Fe,Ag)
 
2
(Sb,Bi)
 
19
S
 
57
2.HB.10aKobellite
Pb
 
22
Cu
 
4
(Bi,Sb)
 
30
S
 
69
2.HB.10aTintinaite
Pb
 
22
Cu
 
4
(Sb,Bi)
 
30
S
 
69
2.HB.15Benavidesite
Pb
 
4
(Mn,Fe)Sb
 
6
S
 
14
2.HB.15Jamesonite
Pb
 
4
FeSb
 
6
S
 
14
2.HB.20dBerryite
Pb
 
3
(Ag,Cu)
 
5
Bi
 
7
S
 
16
2.HB.20bBuckhornite
AuPb
 
2
BiTe
 
2
S
 
3
2.HB.20aNagyágite
Pb
 
5
Au(Te,Sb)
 
4
S
 
5-8
2.HB.20eWatkinsonite
Cu
 
2
PbBi
 
4
(Se,S,Te)
 
8
2.HB.20cMuseumite
Pb
 
5
AuSbTe
 
2
S
 
12
2.HB.20eIMA2009-036
Ag
 
2
PbBi
 
4
Se
 
8
Related Minerals - Hey's Index Grouping:

- +
5.7.1Seligmannite
PbCuAsS
 
3
5.7.2Bournonite
PbCuSbS
 
3
5.7.3Meneghinite
Pb
 
13
CuSb
 
7
S
 
24
5.7.4Gladite
PbCuBi
 
5
S
 
9
5.7.5Lindströmite
Pb
 
3
Cu
 
3
Bi
 
7
S
 
15
5.7.6Krupkaite
PbCuBi
 
3
S
 
6
5.7.7Hammarite
Pb
 
2
Cu
 
2
Bi
 
4
S
 
9
5.7.8Friedrichite
Pb
 
5
Cu
 
5
Bi
 
7
S
 
18
5.7.9Aikinite
PbCuBiS
 
3
5.7.10Nuffieldite
Pb
 
2
Cu(Pb,Bi)Bi
 
2
S
 
7
5.7.11Jaskólskiite
Pb
 
2+x
Cu
 
x
(Sb,Bi)
 
2-x
S
 
6
 (x = 0.2)
5.7.12Tintinaite
Pb
 
22
Cu
 
4
(Sb,Bi)
 
30
S
 
69
5.7.13Kobellite
Pb
 
22
Cu
 
4
(Bi,Sb)
 
30
S
 
69
5.7.14Proudite
CuPb
 
7.5
Bi
 
9.33
(S,Se)
 
22
5.7.15Nordströmite
CuPb
 
3
Bi
 
7
(Se
 
4
S
 
10
)
5.7.16Watkinsonite
Cu
 
2
PbBi
 
4
(Se,S,Te)
 
8
5.7.18Petrovicite
Cu
 
3
HgPbBiSe
 
5
5.7.19Eclarite
(Cu,Fe)Pb
 
9
Bi
 
12
S
 
28
5.7.20Marrite
AgPbAsS
 
3
5.7.21Baumhauerite-2a
Pb
 
11
Ag(As,Sb)
 
18
S
 
36
5.7.22Andorite
PbAgSb
 
3
S
 
6
5.7.23Ramdohrite
(Cd,Mn,Fe)Ag
 
5.5
Pb
 
12
Sb
 
21.5
S
 
48
5.7.24Roshchinite
Ag
 
19
Pb
 
10
Sb
 
51
S
 
96
5.7.25Ourayite
Ag
 
3
Pb
 
4
Bi
 
5
S
 
13
5.7.26Eskimoite
Ag
 
7
Pb
 
10
Bi
 
15
S
 
36
5.7.27Fizélyite
Pb
 
14
Ag
 
5
Sb
 
21
S
 
48
 ?
5.7.28Owyheeite
Ag
 
3+x
Pb
 
10-2x
Sb
 
11+x
S
 
28
, -0.13 < x > +0.20
5.7.29Freieslebenite
AgPbSbS
 
3
5.7.30Diaphorite
Ag
 
3
Pb
 
2
Sb
 
3
S
 
8
5.7.31Sterryite
Ag
 
2
Pb
 
10
(Sb,As)
 
12
S
 
29
5.7.32Vikingite
Ag
 
5
Pb
 
8
Bi
 
13
S
 
30
5.7.33Zoubekite
AgPb
 
4
Sb
 
4
S
 
10
5.7.34Schirmerite
AgPb
 
2
Bi
 
3
S
 
7
5.7.36Gustavite
Ag
 
3
Pb
 
5
Bi
 
11
S
 
24
5.7.37Kitaibelite
Ag
 
10
PbBi
 
30
S
 
51
5.7.38Treasurite
Ag
 
7
Pb
 
6
Bi
 
15
S
 
32
5.7.39Benjaminite
(Ag,Cu)
 
3
(Bi,Pb)
 
7
S
 
12
5.7.40Lengenbachite
(Ag,Cu)
 
2
Pb
 
6
As
 
4
S
 
13
5.7.41Berryite
Pb
 
3
(Ag,Cu)
 
5
Bi
 
7
S
 
16
5.7.42Neyite
Pb
 
7
(Cu,Ag)
 
2
Bi
 
6
S
 
17
5.7.43Larosite
(Cu,Ag)
 
21
(Pb,Bi)
 
2
S
 
13
5.7.44Cupropavonite
AgCu
 
2
PbBi
 
5
S
 
10
5.7.45Padĕraite
Cu
 
5.9
Ag
 
1.3
Pb
 
1.6
Bi
 
11.2
S
 
22
5.7.46Rayite
Pb
 
8
(Ag,Tl)
 
2
Sb
 
8
S
 
21
5.7.47Rathite
Pb
 
8
Pb
 
4-x
(Tl
 
2
As
 
2
)
 
x
(Ag
 
2
As
 
2
)As
 
16
S
 
40
5.7.48Hatchite
AgTlPbAs
 
2
S
 
5

Other Names for Pekoite

Synonyms:
IMA1975-014
Other Languages:
German:Pekoit
Russian:Пекоит
Spanish:Pekoita

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 Pekoite

Reference List:American Mineralogist (1976): 61: 15-20.

Mumme, W.G. and Watts, J.A. (1976) Pekoite, CuPbBi11S18, a new member of the bismuthinite-aikinite ineral series: its crystal structure and relationship with naturally- and synthetically-formed members. Canadian Mineralogist (1976): 14: 322-333.

Neues Jahrbuch für Mineralogie, Monatshefte (1990): 35.

Internet Links for Pekoite

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

    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.
    Australia
     
    • Northern Territory
      • Tennant Inlier
        • Tennant Creek
    		AM 1976, 15-20; CM 1976, 322-33
    Austria
     
    • Carinthia
      • Hohe Tauern Mts
        • Goldberg group
          • Innerfragant
            • Wurten
              • Alteck Mt.
    		G. Niedermayr, I. Praetzel: Mineralien Kärntens, 1995
          • Zirknitz
            • Kleine Zirknitz valley
              • Kluidscharte
    		G. Niedermayr, I. Praetzel: Mineralien Kärntens, 1995
    • Salzburg
      • Hohe Tauern Mts
        • Felben valley
          • Scheelite deposit
    		A. Strasser: Die Minerale Salzburgs, 1989
    Brazil
     
    • Northeast Region
      • Rio Grande do Norte
        • Borborema mineral province
          • Currais Novos
    		No reference listed
    Bulgaria
     
    • Balkan Mts (Stara-Planina Mts)
    		http://www.bgd.bg/summanual_2003_5.htm
    • Plovdiv Oblast
      • Rhodope Mts
    		Anthony, Bideaux, Bladh, Nichols: "Handbook of Mineralogy", Vol. 1, 1990
    China
     
    • Jiangsu Province
      • Nanjing Prefecture
        • Jiangning District
          • Ningzhen Mining District
    		Xiangping, G., Watanabe, M., Ohkawa, M., Hoshino, K., Shibata, Y., and Desong, C. (2001): Canadian Mineralogist 39(6), 1641-1652.
    Italy
     
    • Lombardy
      • Sondrio Province
    		Lapis, 19 (10), 15-21+86.
    Kazakhstan
     
    • Qaraghandy Oblysy (Karaganda Oblast')
      • Aqshatau (Akchatau; Akschatau; Akchataul)
    		Efimov A.V. Bismuthian mineralisation of tin and wolfram deposits, 1993
    Romania
     
    • Bihor Co.
      • Nucet
    		Anthony, Bideaux, Bladh, Nichols: "Handbook of Mineralogy", Vol. 1, 1990
    • Caras-Severin Co.
      • Banat Mts
        • Moldova Nouă-Sasca Cu-Mo ore field
    		Singer, D.A., Berger, V.I., and Moring, B.C. (2008): US Geological Survey Open-File Report 2008-1155.
    • Maramures Co.
      • Baiut
    		Mitt. .Österr. Miner. Ges. 143 (1998)
    Slovakia
     
    • Banská Bystrica Region
      • Southern Low Tatra Mts
    		Pršek J.,2004: Štruktúra a kryštálochémia sulfosolí zo sulfidických mineralizácii Západnych Karpát (Kandid. Diz.práca).Archív Katedry miner. a petrografie Prírodoved. Fak. UK,Bratislava, 135 s.
        • Brezno
    		- Pršek, J., Ozdín, D. & Sejkora, J. (2008): Eclarite and associated Bi sulfosalts from the Brezno-Hviezda occurrence (Nízke Tatry Mts, Slovak Republic). Neues Jahrbuch für Mineralogie - Abhandlungen, 185, 117-130.
      • Western Slovenské Rudohorie Mts
        • Ľubietová (Libetbánya; Libethen) ore belt
    		Pršek J., Mikuš T., 2006: Bi sulfosoli z lokality Ľubietová-Kolba. Min.Slovaca, Bratislava, 38, 159-164
    • Košice Region
      • Eastern Slovenské Rudohorie Mts
    		Pršek J.,2004: Štruktžúra a kryštalochémia sulfosolí zo sulfidických mineralizácií Západných Karpát (Kandid. dizert. práca),Manuskript, archív Kated. miner. a petrológie PFUK Bratislava, 135 p.
    • Žilina Region
      • Northern Low Tatra Mts
        • Partizánska Lupča
    		Bakoš, F., Chovan, M., Michálek, J., 2000 : Minerálne zloženie hydrotermálnej Sb, Cu, Pb, Zn, As mineralizácie na SV od Magurky v Nízkych Tatrách. Mineralia Slovaca, 32, 6,497 – 506
    Ozdin D., Chovan M., 1999: New mineralogical and paragenetic knowledge about siderite veins in the vicinity of Vyšná Boca, Nízke Tatry Mts. Slov. Geol. Magazine, Bratislava, 5, 4, 255-271
    Sweden
     
    • Dalarna
      • Falun
    		No reference listed
    Switzerland
     
    • Grischun (Grisons; Graubünden)
      • Bregaglia Valley (Bergell)
        • Albigna Valley
    		Schweizer Strahler, Vol. 9 Nr. 11 Aug. 1993
    • Wallis (Valais)
      • Anniviers Valley
        • Saint-Luc
    		Stalder, H. A., Wagner, A., Graeser, S. and Stuker, P. (1998): "Mineralienlexikon der Schweiz", Verlag Wepf & Co. (Basel), p. 80
    USA
     
    • Alaska
      • Bethel Borough
        • Aniak District
    		U.S. Geological Survey, 2008, Alaska Resource Data File (ARDF): U.S. Geological Survey Open-File Report 2008-1225.
    • Arizona
      • Cochise Co.
        • Dos Cabezas Mts
          • Dos Cabezas (Two Heads) District
    		Anthony, J.W., et al (1995), Mineralogy of Arizona, 3rd.ed.: 232.
    Anthony, J.W., et al (1995), Mineralogy of Arizona, 3rd.ed.: 324.
    • Washington
      • Snohomish Co.
        • Sultan District
          • Silverton
    		www.cannonmicroprobe.com/Mineral_Specimens.htm
      • Stevens Co.
        • Deer Trail & Cedar Canyon Districts
          • Turtle Lake
    Uzbekistan
     
    • Tashkent (Toshkent) Viloyati
      • Angren Region
        • Chatkal-Kuraminskii Range
    		Anthony, Bideaux, Bladh, Nichols: "Handbook of Mineralogy", Vol. 1, 1990
    Mineral and/or Locality
    Google
     
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