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Luberoite

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Formula:
Pt5Se4
Colour:
dark bronze
Lustre:
Metallic
Hardness:
5 - 5½
Specific Gravity:
11.76 - 12.78
Crystal System:
Monoclinic
Name:
For the type locality
This page provides mineralogical data about Luberoite.


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Classification of LuberoiteHide

Approved
2.BC.35

2 : SULFIDES and SULFOSALTS (sulfides, selenides, tellurides; arsenides, antimonides, bismuthides; sulfarsenites, sulfantimonites, sulfbismuthites, etc.)
B : Metal Sulfides, M: S > 1: 1 (mainly 2: 1)
C : With Rh, Pd, Pt, etc.
2.16.23.1

2 : SULFIDES
16 : Miscellaneous

Physical Properties of LuberoiteHide

Metallic
Transparency:
Opaque
Colour:
dark bronze
Hardness:
5 - 5½ on Mohs scale
Hardness:
VHN15=461 kg/mm2 - Vickers
Cleavage:
Very Good
parallel to {ОО1}
Density:
11.76 - 12.78 g/cm3 (Measured)    13.02 g/cm3 (Calculated)
Comment:
Density measured by size of crystal with SEM and weighing

Chemical Properties of LuberoiteHide

Formula:
Pt5Se4

Crystallography of LuberoiteHide

Crystal System:
Monoclinic
Class (H-M):
2/m - Prismatic
Space Group:
P21/b
Setting:
P21/c
Cell Parameters:
a = 6.584(5) Å, b = 4.602(3) Å, c = 11.10(1) Å
β = 101.6(1)°
Ratio:
a:b:c = 1.431 : 1 : 2.412
Unit Cell V:
329.46 ų (Calculated from Unit Cell)
Z:
2
Twinning:
polysynthetic
Comment:
Space group from synthetic

Type Occurrence of LuberoiteHide

General Appearance of Type Material:
idiomorphic crystals, sometimes elongated, or as monomineralic fragments.
Place of Conservation of Type Material:
Institut Royal des Sciences Naturelles de Belgique, Brussels (Nr. RC-4215),
Geological Setting of Type Material:
Placers - in granodiorites
Associated Minerals at Type Locality:

Synonyms of LuberoiteHide

Other Language Names for LuberoiteHide

German:Luberoit
Spanish:Luberoita

Related Minerals - Nickel-Strunz GroupingHide

2.BC.UM2004-45-Se:AgHgPd(Ag,Cu)6Hg2Pd2Se3
2.BC.ColdwellitePd3Ag2SIso. 4 3 2 : P43 3 2
2.BC.05PalladseitePd17Se15
2.BC.05MiassiteRh17S15Iso.
2.BC.05UM2000-47-S:CuFePdPt(Cu,Fe,Pd,Pt,Rh)9S8
2.BC.10Oosterboschite(Pd,Cu)7Se5Orth.
2.BC.15ChrisstanleyiteAg2Pd3Se4Mon.
2.BC.15JagüéiteCu2Pd3Se4Mon. 2/m : P21/b
2.BC.20KeithconnitePd20Te7Trig.
2.BC.25Vasilite(Pd,Cu)16(S,Te)7
2.BC.30TelluropalladinitePd9Te4Mon.
2.BC.40Oulankaite(Pd,Pt)5(Cu,Fe)4SnTe2S2Tet.
2.BC.45Telargpalite(Pd,Ag)3(Te,Bi)Iso.
2.BC.50TemagamitePd3HgTe3Trig. 3m : P3m1
2.BC.55SopcheiteAg4Pd3Te4Orth.
2.BC.60LaflammeitePd3Pb2S2Mon.
2.BC.65TischendorfitePd8Hg3Se9Orth.

Other InformationHide

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 LuberoiteHide

Reference List:
Sort by Year (asc) | by Year (desc) | by Author (A-Z) | by Author (Z-A)
Jebwab J, Cervelle B, Gouet G, Hubaut X, Piret P (1992) The new platinum selenide luberoite Pt5Se4 from the Lubero region (Kivu Province, Zaire). European Journal of Mineralogy 4, 683-692
Matković P, Schubert K (1977) Kristallstruktur von Pt5Se4. Journal of the Less-Common Metals 55, 185-190

Internet Links for LuberoiteHide

Localities for LuberoiteHide

This 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.

Locality ListHide

- This locality has map coordinates listed. - This locality has estimated coordinates. ⓘ - Click for further information on this occurrence. ? - Indicates mineral may be doubtful at this locality. - Good crystals or important locality for species. - World class for species or very significant. (TL) - Type Locality for a valid mineral species. (FRL) - First Recorded Locality for everything else (eg varieties). Struck out - Mineral was erroneously reported from this locality. Faded * - Never found at this locality but inferred to have existed at some point in the past (eg from pseudomorphs.)

All localities listed without proper references should be considered as questionable.
Australia
 
  • Western Australia
    • East Pilbara Shire
      • Rudall River District
Nickel, Ernest H. (2002): An Unusual Occurrence of Pd, Pt, Au, Ag, and Hg Mineralisation in the Pilbara Region of Western Australia. Canadian Mineralogist. 40: 419-433.
Democratic Republic of the Congo (TL)
 
  • Nord-Kivu
European Journal of Mineralogy(1992) 4, 683-692; Jedwab, J., Cervelle, B., Gouet, G., Hubaut, X., & Piret, P. (1992). The new platinum selenide luberoite Pt5Se4 from the Lubero region (Kivu Province, Zaire). European journal of mineralogy, 4(4), 683-692.
Cabral A R, Skála R, Vymazalová A, Kallistová A, Lehmann B, Jedwab J, Sidorinová T (2014) Kitagohaite, Pt7Cu, a new mineral from the Lubero region, North Kivu, Democratic Republic of the Congo. Mineralogical Magazine 78, 739-745
Finland
 
  • Lapland Region
    • Inari
      • Ivalojoki
Kari Kojonen (2012) PGE ore potential in the southwestern granulite belt of Northern Finland. Geological Survey of Finland, Report of Investigation 207 pp 64-67
      • Lemmenjoki
33rd International Geological Congress (2008) session MPM-04 Platinum-group mineralogy: Pt-Pd selenides from river placers, northern Finland
Mineral and/or Locality  
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