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Geversite

A valid IMA mineral species
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About GeversiteHide

00938240014950390989671.jpg
Professor Traugott Wilhelm Gevers
Formula:
PtSb2
Colour:
Light grey
Lustre:
Metallic
Hardness:
4½ - 5
Specific Gravity:
10.97 (Calculated)
Crystal System:
Isometric
Member of:
Name:
Named by E.F. Stumpfl in 1961 in honor of Traugott Wilhelm Gevers (23 April 1900, New Hanover, Natal (now South Africa) - 19 August 1991), geologist who worked in Namibia for the Geological Survey of South Africa and later a professor at the University of Witwatersrand. Pronounced GĒ-VERZAIT.
Compare UM1975-17-Sb:PdPt. A possible Pd analogue is known as 'UM1978-21-Sb:Pd'.


Unique IdentifiersHide

Mindat ID:
1687
Long-form identifier:
mindat:1:1:1687:8
GUID
(UUID V4):
befd0450-d833-4bda-a906-1f6c4feaf418

Classification of GeversiteHide

Approved
First published:
1961
2.EB.05a

2 : SULFIDES and SULFOSALTS (sulfides, selenides, tellurides; arsenides, antimonides, bismuthides; sulfarsenites, sulfantimonites, sulfbismuthites, etc.)
E : Metal Sulfides, M: S <= 1:2
B : M:S = 1:2, with Fe, Co, Ni, PGE, etc.
2.12.1.14

2 : SULFIDES
12 : AmBnXp, with (m+n):p = 1:2
3.12.52

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

Mineral SymbolsHide

As of 2021 there are now IMA–CNMNC approved mineral symbols (abbreviations) for each mineral species, useful for tables and diagrams.

SymbolSourceReference
GevIMA–CNMNCWarr, L.N. (2021). IMA–CNMNC approved mineral symbols. Mineralogical Magazine, 85(3), 291-320. doi:10.1180/mgm.2021.43

Physical Properties of GeversiteHide

Metallic
Transparency:
Opaque
Colour:
Light grey
Hardness:
4½ - 5 on Mohs scale
Hardness:
VHN50=726 - 766 kg/mm2 - Vickers
Density:
10.97 g/cm3 (Calculated)

Optical Data of GeversiteHide

Reflectivity:
WavelengthR
400nm58.9%
420nm59.1%
440nm59.3%
460nm59.4%
480nm59.4%
500nm59.4%
520nm59.2%
540nm58.9%
560nm58.4%
580nm57.8%
600nm57.4%
620nm57.3%
640nm57.2%
660nm57.2%
680nm57.4%
700nm57.8%

Reflectance graph
Graph shows reflectance levels at different wavelengths (in nm). Top of box is 100%. Peak reflectance is 59.4%.
Colour in reflected light:
Light gray
Pleochroism:
Non-pleochroic

Chemical Properties of GeversiteHide

Formula:
PtSb2

Crystallography of GeversiteHide

Crystal System:
Isometric
Class (H-M):
m3 (2/m 3) - Diploidal
Space Group:
Pa3
Setting:
Pa3
Cell Parameters:
a = 6.428 Å
Unit Cell V:
265.60 ų (Calculated from Unit Cell)
Z:
4
Morphology:
Tiny grains

Crystal StructureHide

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IDSpeciesReferenceLinkYearLocalityPressure (GPa)Temp (K)
0017787GeversiteFuruseth S, Selte K, Kjekshus A (1965) Redetermined crystal structures of PdAs2, PdSb2, PtP2, PtAs2, PtSb2, alpha-PtBi2, and AuSb2 Acta Chemica Scandinavica 19 735-7411965synthetic0293
0017685GeversiteFuruseth S, Selte K, Kjekshus A (1967) On the solid solubility and structural properties of PdAs2-xSbx, PtP2-xAsx, PtP2-xSbx, PtP2-xBix, PtAs2-xSbx, PtAs2-xBix, PtSb2-xBix, Pdl-mPtmAs2, Pdl-mPtmSb2, Pdl-mAumSb2, and Ptl-mAumSb2 Acta Chemica Scandinavica 21 527-5361967synthetic0293
0015807GeversiteBrese N E, von Schnering H G (1994) Bonding trends in pyrites and a reinvestigation of the structures of PdAs2, PdSb2, PtSb2 and PtBi2 Zeitschrift fur Anorganische und Allgemeine Chemie 620 393-4041994synthetic0293
CIF Raw Data - click here to close

X-Ray Powder DiffractionHide

Powder Diffraction Data:
d-spacingIntensity
1.240 Å(100)
1.940 Å(83)
1.140 Å(83)
1.194 Å(58)
1.720 Å(50)
1.310 Å(50)
1.174 Å(50)
Comments:
Synthetic. (ICDD 14-141).

Geological EnvironmentHide

Paragenetic Mode(s):
Paragenetic ModeEarliest Age (Ga)
High-? alteration and/or metamorphism
33 : Minerals deposited by hydrothermal metal-rich fluids (see also [#12])
Stage 4b: Highly evolved igneous rocks>3.0
37 : Layered igneous intrusions and related PGE minerals
Geological Setting:
Ultramafic PGE deposits

Type Occurrence of GeversiteHide

Place of Conservation of Type Material:
National School of Mines, Paris, France.
Geological Setting of Type Material:
Ultramafic platinum deposits
Reference:
Stumpfl, E.F. (1961) Some new platinoid-rich minerals, identified with the electron microanalyser. Mineralogical Magazine: 32: 833-847.

Other Language Names for GeversiteHide

German:Geversit
Simplified Chinese:锑铂矿
Spanish:Geversita

Relationship of Geversite to other SpeciesHide

Member of:
Other Members of this group:
AurostibiteAuSb2Iso. m3 (2/m 3) : Pa3
CattieriteCoS2Iso. m3 (2/m 3) : Pa3
DzharkeniteFeSe2Iso. m3 (2/m 3) : Pa3
ErlichmaniteOsS2Iso. m3 (2/m 3) : Pa3
FukuchiliteCu3FeS8Iso. m3 (2/m 3) : Pa3
GaotaiiteIr3Te8Iso. m3 (2/m 3) : Pa3
HaueriteMnS2Iso. m3 (2/m 3) : Pa3
InsizwaitePt(Bi,Sb)2Iso. m3 (2/m 3) : Pa3
Krut'aiteCuSe2Iso. m3 (2/m 3) : Pa3
LauriteRuS2Iso. m3 (2/m 3) : Pa3
Penroseite(Ni,Co,Cu)Se2Iso. m3 (2/m 3) : Pa3
PyriteFeS2Iso. m3 (2/m 3) : Pa3
SperrylitePtAs2Iso. m3 (2/m 3) : Pa3
TrogtaliteCoSe2Iso. m3 (2/m 3) : Pa3
VaesiteNiS2Iso. m3 (2/m 3) : Pa3
Villamanínite(Cu,Ni,Co,Fe)S2Tric.

Common AssociatesHide

Associated Minerals Based on Photo Data:
11 photos of Geversite associated with PaolovitePd2Sn
9 photos of Geversite associated with Frooditeα-PdBi2
8 photos of Geversite associated with BreithauptiteNiSb
7 photos of Geversite associated with SilverAg
6 photos of Geversite associated with GalenaPbS
5 photos of Geversite associated with MicheneritePdBiTe
4 photos of Geversite associated with GoldAu
3 photos of Geversite associated with NiggliitePtSn
2 photos of Geversite associated with ChalcopyriteCuFeS2
2 photos of Geversite associated with SudburyitePdSb

Related Minerals - Strunz-mindat GroupingHide

2.EB.Iridarsenite(Ir,Ru)As2Mon. 2/m : P21/b
2.EB.SelenolauriteRuSe2Iso. m3 (2/m 3) : Pa3
2.EB.AndrieslombaarditeRhSbSIso. 2 3 : P21 3
2.EB.Kanatzidisite(SbBiS3)2Te2Mon. 2/m : P21/m
2.EB.05aAurostibiteAuSb2Iso. m3 (2/m 3) : Pa3
2.EB.05bBambollaiteCu(Se,Te)2Tet.
2.EB.05aCattieriteCoS2Iso. m3 (2/m 3) : Pa3
2.EB.05aErlichmaniteOsS2Iso. m3 (2/m 3) : Pa3
2.EB.05aFukuchiliteCu3FeS8Iso. m3 (2/m 3) : Pa3
2.EB.05aHaueriteMnS2Iso. m3 (2/m 3) : Pa3
2.EB.05aInsizwaitePt(Bi,Sb)2Iso. m3 (2/m 3) : Pa3
2.EB.05aKrut'aiteCuSe2Iso. m3 (2/m 3) : Pa3
2.EB.05aLauriteRuS2Iso. m3 (2/m 3) : Pa3
2.EB.05aPenroseite(Ni,Co,Cu)Se2Iso. m3 (2/m 3) : Pa3
2.EB.05aPyriteFeS2Iso. m3 (2/m 3) : Pa3
2.EB.05aSperrylitePtAs2Iso. m3 (2/m 3) : Pa3
2.EB.05aTrogtaliteCoSe2Iso. m3 (2/m 3) : Pa3
2.EB.05aVaesiteNiS2Iso. m3 (2/m 3) : Pa3
2.EB.05aVillamanínite(Cu,Ni,Co,Fe)S2Tric.
2.EB.05aDzharkeniteFeSe2Iso. m3 (2/m 3) : Pa3
2.EB.05aGaotaiiteIr3Te8Iso. m3 (2/m 3) : Pa3
2.EB.05a vCayeuxite
2.EB.10bAlloclasiteCo1-xFexAsSMon. 2 : P21
2.EB.10dCostibiteCoSbSOrth. mm2 : Pmn21
2.EB.10aFerroseliteFeSe2Orth. mmm (2/m 2/m 2/m) : Pnnm
2.EB.10aFrohbergiteFeTe2Orth. mmm (2/m 2/m 2/m) : Pnnm
2.EB.10cGlaucodot(Co0.50Fe0.50)AsSOrth. mm2 : Pmn21
2.EB.10aKulleruditeNiSe2Orth. mmm (2/m 2/m 2/m) : Pnnm
2.EB.10aMarcasiteFeS2Orth. mmm (2/m 2/m 2/m) : Pnnm
2.EB.10aMattagamiteCoTe2Orth. mmm (2/m 2/m 2/m) : Pnnm
2.EB.10eParacostibiteCoSbSOrth. mmm (2/m 2/m 2/m) : Pbca
2.EB.10ePararammelsbergiteNiAs2Orth. mmm (2/m 2/m 2/m) : Pbca
2.EB.10fOeniteCoSbAsOrth.
2.EB.10aPetříčekiteCuSe2Orth. mmm (2/m 2/m 2/m) : Pnnm
2.EB.15aAnduoite(Ru,Os)As2Orth.
2.EB.15aClinosaffloriteCoAs2Mon. 2/m : P21/m
2.EB.15aLöllingiteFeAs2Orth. mmm (2/m 2/m 2/m) : Pnnm
2.EB.15aNisbiteNiSb2Orth. mmm (2/m 2/m 2/m) : Pnnm
2.EB.15aOmeiite(Os,Ru)As2Orth.
2.EB.15cPaxiteCuAs2Mon. 2/m : P21/b
2.EB.15aRammelsbergiteNiAs2Orth. mmm (2/m 2/m 2/m) : Pnnm
2.EB.15aSafflorite(Co,Ni,Fe)As2Orth. mmm (2/m 2/m 2/m) : Pnnm
2.EB.15bSeinäjokite(Fe,Ni)(Sb,As)2Orth.
2.EB.20ArsenopyriteFeAsSMon. 2/m : P21/b
2.EB.20GudmunditeFeSbSMon. 2/m : P21/b
2.EB.20Osarsite(Os,Ru)AsSMon.
2.EB.20Ruarsite(Ru,Os)AsSMon.
2.EB.25 vaAntimony-bearing GersdorffiteNi(As,Sb)S
2.EB.25CobaltiteCoAsSOrth. mm2 : Pca21
2.EB.25GersdorffiteNiAsSIso. m3 (2/m 3) : Pa3
2.EB.25Hollingworthite(Rh,Pt,Pd)AsSIso. m3 (2/m 3) : Pa3
2.EB.25Irarsite(Ir,Ru,Rh,Pt)AsSIso. m3 (2/m 3) : Pa3
2.EB.25JolliffeiteNiAsSeIso. m3 (2/m 3) : Pa3
2.EB.25KrutoviteNiAs2Iso. 2 3 : P21 3
2.EB.25MaslovitePtBiTeIso. 2 3 : P21 3
2.EB.25MicheneritePdBiTeIso. 2 3 : P21 3
2.EB.25PadmaitePdBiSeIso. 4 3 2
2.EB.25PlatarsitePtAsSIso. m3 (2/m 3) : Pa3
2.EB.25TestibiopalladitePdTe(Sb,Te)Iso.
2.EB.25TolovkiteIrSbSIso.
2.EB.25UllmanniteNiSbSIso. 2 3 : P21 3
2.EB.25WillyamiteCoSbS
2.EB.25ChangchengiteIrBiSIso. 2 3 : P21 3
2.EB.25MayingiteIrBiTeIso. m3 (2/m 3) : Pa3
2.EB.25KalungaitePdAsSeIso. m3 (2/m 3) : Pa3
2.EB.25MilotaitePdSbSeIso. 2 3 : P21 3
2.EB.25ParagersdorffiteNi(As,S)2Iso. m3 (2/m 3) : Pa3
2.EB.25OrthogersdorffiteNiAsSOrth. mm2 : Pca21
2.EB.30UrvantsevitePd(Bi,Pb)2Tet. 4/mmm (4/m 2/m 2/m) : I4/mmm
2.EB.35RheniiteReS2Tric. 1 : P1

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.
Industrial Uses:
Platinum ore

Internet Links for GeversiteHide

References for GeversiteHide

Reference List:

Localities for GeversiteHide

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 references and 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 (e.g. from pseudomorphs).

All localities listed without proper references should be considered as questionable.
Australia
 
  • New South Wales
    • Kennedy Co.
Austria
 
  • Lower Austria
    • Horn District
      • Drosendorf-Zissersdorf
  • Styria
    • Leoben District
      • Sankt Stefan ob Leoben
        • Mitterberg
Brazil
 
  • Goiás
Canada
 
  • British Columbia
    • Similkameen Mining Division
  • Ontario
    • Greater Sudbury
      • Maclennan Township
  • Yukon
    • Whitehorse mining district
      • Kluane District
China
 
  • Gansu
    • Jinchang
      • Jinchuan District
  • Xinjiang
    • Yili Hasake Autonomous Prefecture (Ili Kazakh Autonomous Prefecture)
      • Aletai Prefecture (Altay Prefecture)
        • Fuyun Co. (Koktokay Co.)
      • Tacheng Prefecture (Tarbaghatay Prefecture)
        • Tuoli Co. (Toli Co.)
          • Sartohay (Sartokay; Sartuohai; Saertuohai)
Egypt
 
  • Red Sea Governorate
    • Wadi Allaqi District
      • Wadi Haimur
Finland
 
  • Lapland
    • Rovaniemi
    • Sodankylä
      • Kevitsansarvi (Keivitsansarvi)
India
 
  • Odisha
    • Keonjhar District
Myanmar
 
  • Sagaing Region
    • Monywa District
Norway
 
  • Trøndelag
    • Leka
  • Vestland
    • Vik
Poland
 
  • Lower Silesian Voivodeship
    • Lubin County
    • Polkowice County
      • Gmina Polkowice
Russia
 
  • Buryatia
    • Severo-Baykalsky District
      • Dovyren Highlands
    • Tunkinsky District
  • Irkutsk Oblast
    • Uda–Biryusa district
  • Kamchatka Krai
    • Koryak Okrug
      • Olyutorsky district
  • Khabarovsk Krai
    • Ayan-Maya district
  • Krasnoyarsk Krai
    • Taymyrskiy Autonomous Okrug
      • Taimyr Peninsula
        • Putoran Plateau
            • Talnakh Cu-Ni Deposit
    • Yermakovsky District
  • Murmansk Oblast
    • Northern Karelia
  • Republic of Karelia
    • Burakovskii Layered Complex
  • Sayan Mountains
  • Sverdlovsk Oblast
    • Yekaterinburg
Saudi Arabia
 
  • Medina Region
South Africa
 
  • Free State
    • Fezile Dabi District Municipality
      • Moqhaka Local Municipality
  • Limpopo
    • Sekhukhune District Municipality
      • Fetakgomo Tubatse Local Municipality
        • Burgersfort
          • Sekhukhuneland
        • Steelpoort
    • Waterberg District Municipality
      • Mogalakwena Local Municipality
        • Mogalakwena
Tanzania
 
  • Kagera Region
    • Ngara District
  • Njombe Region
UK
 
  • Scotland
    • Shetland Islands
      • Unst
USA
 
  • Alaska
    • Bethel Census Area
      • Goodnews Bay
        • Salmon River - Red Mountain District
 
Mineral and/or Locality  
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