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Geversite

A valid IMA mineral species
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About GeversiteHide

03202320017271923515417.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

IMA Classification of GeversiteHide

Classification of GeversiteHide

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 for Standard
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:
WavelengthR1 (%)
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%


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

Chemistry of GeversiteHide

Mindat Formula:
PtSb2
Element Weights:
Element% weight
Sb55.522 %
Pt44.478 %

Calculated from ideal end-member formula.
Sb
Pt

Crystallography of GeversiteHide

Crystal System:
Isometric
Class (H-M):
m3(2/m3) - 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)
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
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
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
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

Other Language Names for GeversiteHide

Dutch:Geversiet
German:Geversit
Simplified Chinese:锑铂矿
Spanish:Geversita

Relationship of Geversite to other SpeciesHide

Member of:
Other Members of Pyrite Group:
AurostibiteAuSb2Iso. m3(2/m3) : Pa3
CattieriteCoS2Iso. m3(2/m3) : Pa3
DzharkeniteFeSe2Iso. m3(2/m3) : Pa3
ErlichmaniteOsS2Iso. m3(2/m3) : Pa3
FukuchiliteCu3FeS8Iso. m3(2/m3) : Pa3
GaotaiiteIr3Te8Iso. m3(2/m3) : Pa3
HaueriteMnS2Iso. m3(2/m3) : Pa3
InsizwaitePtBi2Iso. m3(2/m3) : Pa3
KruťaiteCuSe2Iso. m3(2/m3) : Pa3
LauriteRuS2Iso. m3(2/m3) : Pa3
Penroseite(Ni,Co,Cu)Se2Iso. m3(2/m3) : Pa3
PyriteFeS2Iso. m3(2/m3) : Pa3
SperrylitePtAs2Iso. m3(2/m3) : Pa3
TrogtaliteCoSe2Iso. m3(2/m3) : Pa3
VaesiteNiS2Iso. m3(2/m3) : Pa3
Villamanínite(Cu,Ni,Co,Fe)S2Tric.

Common AssociatesHide

Associations Based on Photo Data:
16 photos of Geversite associated with NiggliitePtSn
16 photos of Geversite associated with PaolovitePd2Sn
15 photos of Geversite associated with ChalcopyriteCuFeS2
13 photos of Geversite associated with BorniteCu5FeS4
13 photos of Geversite associated with CabriitePd2CuSn
11 photos of Geversite associated with Frooditeα-PdBi2
10 photos of Geversite associated with BreithauptiteNiSb
10 photos of Geversite associated with Native SilverAg
10 photos of Geversite associated with HessiteAg2Te
6 photos of Geversite associated with MicheneritePdBiTe

Related Minerals - Strunz-mindat GroupingHide

2.EB.SelenolauriteRuSe2Iso. m3(2/m3) : Pa3
2.EB.AndrieslombaarditeRhSbSIso. 23 : P213
2.EB.Iridarsenite(Ir,Ru)As2Mon. 2/m : P21/b
2.EB.Kanatzidisite(SbBiS3)2Te2Mon. 2/m : P21/m
2.EB.05aVaesiteNiS2Iso. m3(2/m3) : Pa3
2.EB.05aHaueriteMnS2Iso. m3(2/m3) : Pa3
2.EB.05aLauriteRuS2Iso. m3(2/m3) : Pa3
2.EB.05aGaotaiiteIr3Te8Iso. m3(2/m3) : Pa3
2.EB.05aPenroseite(Ni,Co,Cu)Se2Iso. m3(2/m3) : Pa3
2.EB.05aFukuchiliteCu3FeS8Iso. m3(2/m3) : Pa3
2.EB.05aVillamanínite(Cu,Ni,Co,Fe)S2Tric.
2.EB.05aErlichmaniteOsS2Iso. m3(2/m3) : Pa3
2.EB.05aSperrylitePtAs2Iso. m3(2/m3) : Pa3
2.EB.05aCattieriteCoS2Iso. m3(2/m3) : Pa3
2.EB.05aAurostibiteAuSb2Iso. m3(2/m3) : Pa3
2.EB.05aTrogtaliteCoSe2Iso. m3(2/m3) : Pa3
2.EB.05a v'Cayeuxite'
2.EB.05aKruťaiteCuSe2Iso. m3(2/m3) : Pa3
2.EB.05aPyriteFeS2Iso. m3(2/m3) : Pa3
2.EB.05aInsizwaitePtBi2Iso. m3(2/m3) : Pa3
2.EB.05bBambollaiteCu(Se,Te)2Tet.
2.EB.05aDzharkeniteFeSe2Iso. m3(2/m3) : Pa3
2.EB.10aMarcasiteFeS2Orth. mmm(2/m2/m2/m) : Pnnm
2.EB.10eParacostibiteCoSbSOrth. mmm(2/m2/m2/m) : Pbca
2.EB.10fOeniteCoSbAsOrth.
2.EB.10ePararammelsbergiteNiAs2Orth. mmm(2/m2/m2/m) : Pbca
2.EB.10aMattagamiteCoTe2Orth. mmm(2/m2/m2/m) : Pnnm
2.EB.10aFrohbergiteFeTe2Orth. mmm(2/m2/m2/m) : Pnnm
2.EB.10dCostibiteCoSbSOrth. mm2 : Pmn21
2.EB.10bAlloclasiteCo1-xFexAsSMon. 2 : P21
2.EB.10cGlaucodot(Co0.50Fe0.50)AsSOrth. mm2 : Pmn21
2.EB.10aPetříčekiteCuSe2Orth. mmm(2/m2/m2/m) : Pnnm
2.EB.10aKulleruditeNiSe2Orth. mmm(2/m2/m2/m) : Pnnm
2.EB.10aFerroseliteFeSe2Orth. mmm(2/m2/m2/m) : Pnnm
2.EB.15bSeinäjokiteFeSb2Orth.
2.EB.15aRammelsbergiteNiAs2Orth. mmm(2/m2/m2/m) : Pnnm
2.EB.15aClinosaffloriteCoAs2Mon. 2/m : P21/m
2.EB.15cPaxiteCuAs2Mon. 2/m : P21/b
2.EB.15aNisbiteNiSb2Orth. mmm(2/m2/m2/m) : Pnnm
2.EB.15aLöllingiteFeAs2Orth. mmm(2/m2/m2/m) : Pnnm
2.EB.15aSafflorite(Co,Ni,Fe)As2Orth. mmm(2/m2/m2/m) : Pnnm
2.EB.15aOmeiiteOsAs2Orth.
2.EB.15aAnduoiteRuAs2Orth.
2.EB.20ArsenopyriteFeAsSMon. 2/m : P21/b
2.EB.20Ruarsite(Ru,Os)AsSMon.
2.EB.20Osarsite(Os,Ru)AsSMon.
2.EB.20GudmunditeFeSbSMon. 2/m : P21/b
2.EB.25MayingiteIrBiTeIso. m3(2/m3) : Pa3
2.EB.25MaslovitePtBiTeIso. 23 : P213
2.EB.25ParagersdorffiteNi(As,S)2Iso. m3(2/m3) : Pa3
2.EB.25OrthogersdorffiteNiAsSOrth. mm2 : Pca21
2.EB.25SulfopadmaitePdBiSIso. 23 : P213
2.EB.25JolliffeiteNiAsSeIso. m3(2/m3) : Pa3
2.EB.25CobaltiteCoAsSOrth. mm2 : Pca21
2.EB.25GuixiangiteNiBiSIso. 23 : P213
2.EB.25TestibiopalladitePdSbTeIso.
2.EB.25 va'Antimony-bearing Gersdorffite'Ni(As,Sb)S
2.EB.25KalungaitePdAsSeIso. m3(2/m3) : Pa3
2.EB.25Hollingworthite(Rh,Pt,Pd)AsSIso. m3(2/m3) : Pa3
2.EB.25MicheneritePdBiTeIso. 23 : P213
2.EB.25GersdorffiteNiAsSIso. 23 : P213
2.EB.25MilotaitePdSbSeIso. 23 : P213
2.EB.25TolovkiteIrSbSIso.
2.EB.25'Platarsite'Pt(As,S)2Iso. m3(2/m3) : Pa3
2.EB.25WillyamiteCoSbS
2.EB.25ChangchengiteIrBiSIso. 23 : P213
2.EB.25KvačekiteNiSbSeIso. 23 : P213
2.EB.25KrutoviteNiAs2Iso. 23 : P213
2.EB.25PadmaitePdBiSeIso. 432
2.EB.25UllmanniteNiSbSIso. 23 : P213
2.EB.25Irarsite(Ir,Ru,Rh,Pt)AsSIso. m3(2/m3) : Pa3
2.EB.30UrvantsevitePd(Bi,Pb)2Tet. 4/mmm(4/m2/m2/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

Localities for GeversiteHide

Showing 58 localities.

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.
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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.
Webb (2014)
Johan et al. (1989)
        • Owendale Complex
5th International Platinum Symposium ...
Austria
 
  • Lower Austria
    • Horn District
      • Drosendorf-Zissersdorf
Kolitsch (2015)
  • Styria
    • Leoben District
K. N. Malitch. (2001)
      • Sankt Stefan ob Leoben
        • Mitterberg
Kollegger et al. (2008)
Malitch et al. (2002)
Brazil
 
  • Goiás
33rd International Geological Congress (2008)
Garuti et al. (2012)
Canada
 
  • British Columbia
    • Similkameen Mining Division
Nixon et al. (1990)
Nixon et al. (1990)
Nixon et al. (1990)
  • Ontario
    • Greater Sudbury
      • Maclennan Township
Ames et al. (2003)
  • Yukon
    • Whitehorse mining district
      • Kluane District
5th International Platinum Symposium ... +2 other references
China
 
  • Gansu
    • Jinchang
      • Jinchuan District
Wenfeng Zhu and Youbin Liang (2000)
  • Xinjiang
    • Ili Kazakh Autonomous Prefecture
      • Altay Prefecture (Aletai Prefecture)
        • Fuyun Co. (Koktokay Co.)
Minqing Cheng et al. (1993)
      • Tacheng Prefecture (Tarbaghatay Prefecture)
        • Tuoli Co. (Toli Co.)
          • Sartohay (Sartokay; Sartuohai; Saertuohai)
Zhu et al. (2019)
Egypt
 
  • Red Sea Governorate
    • Wadi Allaqi District
      • Wadi Haimur
Helmy et al. (1995)
Finland
 
  • Lapland
    • Rovaniemi
Guice et al. (2017) +1 other reference
    • Sodankylä
Gervilla et al. (2005) +2 other references
      • Kevitsansarvi (Keivitsansarvi)
33 IGC excursion No 15 +1 other reference
India
 
  • Odisha
    • Keonjhar District
Canadian Mineralogist 40:277-309
Augé et al. (2002, July)
Myanmar
 
  • Sagaing Region
    • Monywa District
Hagen et al. (1990)
Norway
 
  • Trøndelag
    • Leka
Pedersen et al. (1993) +1 other reference
  • Vestland
    • Vik
Nilsson et al. (1998)
Poland
 
  • Lower Silesian Voivodeship
    • Lubin County
Kucha (2021)
    • Polkowice County
      • Gmina Polkowice
Kucha (2021)
Russia
 
  • Buryatia
    • Severo-Baykalsky District
      • Dovyren Highlands
Rudashevskiy N.S. et al. (2003) +2 other references
Spiridonov et al. (2018)
Kislov +2 other references
    • Tunkinsky District
12 (12) +1 other reference
  • Irkutsk Oblast
    • Uda–Biryusa district
Mekhonoshin et al. (2013)
  • Kamchatka Krai
    • Koryak Okrug
      • Olyutorsky district
Cabri et al. (2022)
  • Khabarovsk Krai
    • Ayano-Maysky district
Lennikov et al. (2004)
  • Krasnoyarsk Krai
    • Taymyrskiy Autonomous Okrug
      • Taimyr Peninsula
Genkin et al. (1986) +1 other reference
          • Talnakh Cu-Ni Deposit
    • Yermakovsky District
Barkov et al. (2019)
  • Murmansk Oblast
    • Northern Karelia
Rudashevskii N S et al. (1982) +2 other references
  • Republic of Karelia
    • Burakovskii Layered Complex
Grishaenko et al. (2007)
[World of Stones 12:49]
  • Sayan Mountains
Kiseleva et al. (2014)
12 (12) +1 other reference
  • Sverdlovsk Oblast
    • Yekaterinburg
9th International platinum symposium Chromite-PGE mineralization in the Uktus Alaskan-Type Complex (Central Urals,) +2 other references
Saudi Arabia
 
  • Medina Region
12 (12) +1 other reference
South Africa
 
  • Free State
    • Fezile Dabi District Municipality
      • Moqhaka Local Municipality
Anthony et al. (1990)
  • Limpopo
    • Sekhukhune District Municipality
      • Fetakgomo Tubatse Local Municipality
Stumpfl (1961) +2 other references
Cabri et al. (1975) +2 other references
        • Steelpoort
Rudashevsky et al. (1992) +1 other reference
    • Waterberg District Municipality
      • Mogalakwena Local Municipality
Hutchinson et al. (2005)
          • Mogalakwena Mine
Holwell et al. (2006) +1 other reference
Hutchinson et al. (2005)
Cairncross et al. (1995)
Tanzania
 
  • Kagera Region
    • Ngara District
Maier et al. (2010)
  • Njombe Region
Evans et al. (2012)
UK
 
  • Scotland
    • Shetland Islands
      • Unst
5th International Platinum Symposium ...
Badanina et al. (2016)
USA
 
  • Alaska
    • Bethel Census Area
      • Goodnews Bay
        • Salmon River - Red Mountain District
Anthony et al. (1990)
 
and/or  
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