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Verbeekite

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Musonoi Mine, Kolwezi, Kolwezi District, Katanga Copper Crescent, Katanga (Shaba), Democratic Republic of Congo (Zaïre)
© luigi chiappino




Formula:
PdSe
 
2
System:MonoclinicColour:black
Hardness:5½
Name:For Dr. Theodore Verbeek (1927-1991), for his work on the Se-Pd mineralization of the Musonoi deposit.
This page provides mineralogical data about Verbeekite.

Classification of Verbeekite

IMA status:Approved 2001
Strunz 8th edition ID:2/D.0-
Nickel-Strunz 10th (pending) edition ID:2.EA.25

2 : SULFIDES and SULFOSALTS (sulfides, selenides, tellurides; arsenides, antimonides, bismuthides; sulfarsenites, sulfantimonites, sulfbismuthites, etc.)
E : Metal Sulfides, M: S <= 1:2
A : M:S = 1:2 - With Cu, Ag, Au
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Type Occurrence of Verbeekite

Type Locality:Musonoi Mine, Kolwezi, Kolwezi District, Katanga Copper Crescent, Katanga (Shaba), Democratic Republic of Congo (Zaïre)

Physical Properties of Verbeekite

Lustre:Metallic
Diaphaneity (Transparency):Opaque
Colour:black
Streak:black
Hardness (Mohs):5½
Hardness (Vickers):VHN100=490 - 610
Hardness Data:Measured
Tenacity:Brittle
Cleavage:None Observed
Fracture:Irregular/Uneven
Density (calculated):7.211 g/cm3

Crystallography of Verbeekite

Crystal System:Monoclinic
Cell Parameters:a = 6.659Å, b = 4.124Å, c = 4.438Å
β = 92.76°
Ratio:a:b:c = 1.615 : 1 : 1.076
Unit Cell Volume:V 121.7 ų
Z:2
Morphology:Anhedral grains to 200 microns

Optical Data of Verbeekite

Type:Anisotropic
Anisotropism:moderately with brown tints
Colour in reflected light:grey
Pleochroism:Non-pleochroic

Chemical Properties of Verbeekite

Formula:
PdSe
 
2
Essential elements:Pd, Se
All elements listed in formula:Pd, Se
CAS Registry number:60672-19-7

CAS Registry numbers are published by the American Chemical Society

Relationship of Verbeekite to other Species

Related Minerals - Nickel-Strunz Grouping):

- +
2.EA.05Sylvanite
(Au,Ag)
 
2
Te
 
4
2.EA.10Calaverite
AuTe
 
2
2.EA.15Kostovite
CuAuTe
 
4
2.EA.15Krennerite
(Au,Ag)Te
 
2
2.EA.20Berndtite
SnS
 
2
2.EA.20Kitkaite
NiTeSe
2.EA.20Melonite
NiTe
 
2
2.EA.20Merenskyite
(Pd,Pt)(Te,Bi)
 
2
2.EA.20Moncheite
(Pt,Pd)(Te,Bi)
 
2
2.EA.20Shuangfengite
IrTe
 
2
2.EA.20Sudovikovite
PtSe
 
2
2.EA.30Drysdallite
Mo(Se,S)
 
2
2.EA.30Jordisite
MoS
 
2
2.EA.30Molybdenite
MoS
 
2
2.EA.30Tungstenite
WS
 
2

Other Names for Verbeekite

Synonyms:
IMA2001-005
Other Languages:
German:Verbeekit

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.
External LinksSearch for toxicity information at the United States National Library of Medicine

References for Verbeekite

Reference List:

- +
Roberts A.C., W.H. Paar, M.A. Cooper, D. Topa, A.J. Criddle & J. Jedwab (2002): Verbeekite, monoclinic PdSe2, a new mineral from the Musonoi Cu-Co-Mn-U mine, near Kolwezi, Shaba Province, Democratic Republic of Congo. Mineralogical Magazine: 66: 173-179.

Internet Links for Verbeekite

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

    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.
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    (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.
    Democratic Republic of Congo (Zaïre)
     
    • Katanga (Shaba)
      • Katanga Copper Crescent
        • Kolwezi District
          • Kolwezi
    		A.C. Roberts et al. (2002) Min. Mag. 66, 173-179
    UK
     
    • England
      • Devon
        • South Devon
          • Torquay
    		A.C. Roberts et al. (2002) Min. Mag. 66, 173-179
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