Geversite
A valid IMA mineral species
This page is currently not sponsored. Click here to sponsor this page.
About Geversite
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.
Unique Identifiers
Mindat ID:
1687
Long-form identifier:
mindat:1:1:1687:8
IMA Classification of Geversite
Approved
First published:
1961
Classification of Geversite
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 : 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
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
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 Symbols
As of 2021 there are now IMA–CNMNC approved mineral symbols (abbreviations) for each mineral species, useful for tables and diagrams.
| Symbol | Source | Reference for Standard |
|---|---|---|
| Gev | IMA–CNMNC | Warr, L.N. (2021). IMA–CNMNC approved mineral symbols. Mineralogical Magazine, 85(3), 291-320. doi:10.1180/mgm.2021.43 |
Physical Properties of Geversite
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 Geversite
Reflectivity:
| Wavelength | R1 (%) |
|---|---|
| 400nm | 58.9% |
| 420nm | 59.1% |
| 440nm | 59.3% |
| 460nm | 59.4% |
| 480nm | 59.4% |
| 500nm | 59.4% |
| 520nm | 59.2% |
| 540nm | 58.9% |
| 560nm | 58.4% |
| 580nm | 57.8% |
| 600nm | 57.4% |
| 620nm | 57.3% |
| 640nm | 57.2% |
| 660nm | 57.2% |
| 680nm | 57.4% |
| 700nm | 57.8% |
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 Geversite
Mindat Formula:
PtSb2
Elements listed:
Crystallography of Geversite
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 Structure
Load
Unit Cell | Unit Cell Packed
2x2x2 | 3x3x3 | 4x4x4
Unit Cell | Unit Cell Packed
2x2x2 | 3x3x3 | 4x4x4
Show
Big Balls | Small Balls | Just Balls | Spacefill
Polyhedra Off | Si Polyhedra | All Polyhedra
Remove metal-metal sticks
Big Balls | Small Balls | Just Balls | Spacefill
Polyhedra Off | Si Polyhedra | All Polyhedra
Remove metal-metal sticks
Display Options
Black Background | White Background
Perspective On | Perspective Off
2D | Stereo | Red-Blue | Red-Cyan
Black Background | White Background
Perspective On | Perspective Off
2D | Stereo | Red-Blue | Red-Cyan
View
CIF File Best | x | y | z | a | b | c
CIF File Best | x | y | z | a | b | c
Rotation
Stop | Start
Stop | Start
Labels
Console Off | On | Grey | Yellow
Console Off | On | Grey | Yellow
Data courtesy of the American Mineralogist Crystal Structure Database. Click on an AMCSD ID to view structure
| ID | Species | Reference | Link | Year | Locality | Pressure (GPa) | Temp (K) |
|---|---|---|---|---|---|---|---|
| 0015807 | Geversite | Brese 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 620 393-404 | 1994 | synthetic | 0 | 293 | |
| 0017685 | Geversite | Furuseth 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 21 527-536 | 1967 | synthetic | 0 | 293 | |
| 0017787 | Geversite | Furuseth S, Selte K, Kjekshus A (1965) Redetermined crystal structures of PdAs2, PdSb2, PtP2, PtAs2, PtSb2, alpha-PtBi2, and AuSb2 Acta Chemica Scandinavica 19 735-741 | 1965 | synthetic | 0 | 293 |
CIF Raw Data - click here to close
X-Ray Powder Diffraction
Powder Diffraction Data:
| d-spacing | Intensity |
|---|---|
| 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 Environment
Paragenetic Mode(s):
| Paragenetic Mode | Earliest 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 Geversite
Place of Conservation of Type Material:
National School of Mines, Paris, France.
Geological Setting of Type Material:
Ultramafic platinum deposits
Other Language Names for Geversite
Relationship of Geversite to other Species
Member of:
Other Members of Pyrite Group:
| Aurostibite | AuSb2 | Iso. m3(2/m3) : Pa3 |
| Cattierite | CoS2 | Iso. m3(2/m3) : Pa3 |
| Dzharkenite | FeSe2 | Iso. m3(2/m3) : Pa3 |
| Erlichmanite | OsS2 | Iso. m3(2/m3) : Pa3 |
| Fukuchilite | Cu3FeS8 | Iso. m3(2/m3) : Pa3 |
| Gaotaiite | Ir3Te8 | Iso. m3(2/m3) : Pa3 |
| Hauerite | MnS2 | Iso. m3(2/m3) : Pa3 |
| Insizwaite | PtBi2 | Iso. m3(2/m3) : Pa3 |
| Kruťaite | CuSe2 | Iso. m3(2/m3) : Pa3 |
| Laurite | RuS2 | Iso. m3(2/m3) : Pa3 |
| Penroseite | (Ni,Co,Cu)Se2 | Iso. m3(2/m3) : Pa3 |
| Pyrite | FeS2 | Iso. m3(2/m3) : Pa3 |
| Sperrylite | PtAs2 | Iso. m3(2/m3) : Pa3 |
| Trogtalite | CoSe2 | Iso. m3(2/m3) : Pa3 |
| Vaesite | NiS2 | Iso. m3(2/m3) : Pa3 |
| Villamanínite | (Cu,Ni,Co,Fe)S2 | Tric. |
Common Associates
Associations Based on Photo Data:
| 16 photos of Geversite associated with Niggliite | PtSn |
| 16 photos of Geversite associated with Paolovite | Pd2Sn |
| 15 photos of Geversite associated with Chalcopyrite | CuFeS2 |
| 13 photos of Geversite associated with Bornite | Cu5FeS4 |
| 13 photos of Geversite associated with Cabriite | Pd2CuSn |
| 11 photos of Geversite associated with Froodite | α-PdBi2 |
| 10 photos of Geversite associated with Breithauptite | NiSb |
| 10 photos of Geversite associated with Native Silver | Ag |
| 10 photos of Geversite associated with Hessite | Ag2Te |
| 6 photos of Geversite associated with Michenerite | PdBiTe |
Related Minerals - Strunz-mindat Grouping
| 2.EB. | Selenolaurite | RuSe2 |
| 2.EB. | Andrieslombaardite | RhSbS |
| 2.EB. | Iridarsenite | (Ir,Ru)As2 |
| 2.EB. | Kanatzidisite | (SbBiS3)2Te2 |
| 2.EB.05a | Vaesite | NiS2 |
| 2.EB.05a | Hauerite | MnS2 |
| 2.EB.05a | Laurite | RuS2 |
| 2.EB.05a | Gaotaiite | Ir3Te8 |
| 2.EB.05a | Penroseite | (Ni,Co,Cu)Se2 |
| 2.EB.05a | Fukuchilite | Cu3FeS8 |
| 2.EB.05a | Villamanínite | (Cu,Ni,Co,Fe)S2 |
| 2.EB.05a | Erlichmanite | OsS2 |
| 2.EB.05a | Sperrylite | PtAs2 |
| 2.EB.05a | Cattierite | CoS2 |
| 2.EB.05a | Aurostibite | AuSb2 |
| 2.EB.05a | Trogtalite | CoSe2 |
| 2.EB.05a v | 'Cayeuxite' | |
| 2.EB.05a | Kruťaite | CuSe2 |
| 2.EB.05a | Pyrite | FeS2 |
| 2.EB.05a | Insizwaite | PtBi2 |
| 2.EB.05b | Bambollaite | Cu(Se,Te)2 |
| 2.EB.05a | Dzharkenite | FeSe2 |
| 2.EB.10a | Marcasite | FeS2 |
| 2.EB.10e | Paracostibite | CoSbS |
| 2.EB.10f | Oenite | CoSbAs |
| 2.EB.10e | Pararammelsbergite | NiAs2 |
| 2.EB.10a | Mattagamite | CoTe2 |
| 2.EB.10a | Frohbergite | FeTe2 |
| 2.EB.10d | Costibite | CoSbS |
| 2.EB.10b | Alloclasite | Co1-xFexAsS |
| 2.EB.10c | Glaucodot | (Co0.50Fe0.50)AsS |
| 2.EB.10a | Petříčekite | CuSe2 |
| 2.EB.10a | Kullerudite | NiSe2 |
| 2.EB.10a | Ferroselite | FeSe2 |
| 2.EB.15b | Seinäjokite | FeSb2 |
| 2.EB.15a | Rammelsbergite | NiAs2 |
| 2.EB.15a | Clinosafflorite | CoAs2 |
| 2.EB.15c | Paxite | CuAs2 |
| 2.EB.15a | Nisbite | NiSb2 |
| 2.EB.15a | Löllingite | FeAs2 |
| 2.EB.15a | Safflorite | (Co,Ni,Fe)As2 |
| 2.EB.15a | Omeiite | OsAs2 |
| 2.EB.15a | Anduoite | RuAs2 |
| 2.EB.20 | Arsenopyrite | FeAsS |
| 2.EB.20 | Ruarsite | (Ru,Os)AsS |
| 2.EB.20 | Osarsite | (Os,Ru)AsS |
| 2.EB.20 | Gudmundite | FeSbS |
| 2.EB.25 | Mayingite | IrBiTe |
| 2.EB.25 | Maslovite | PtBiTe |
| 2.EB.25 | Paragersdorffite | Ni(As,S)2 |
| 2.EB.25 | Orthogersdorffite | NiAsS |
| 2.EB.25 | Sulfopadmaite | PdBiS |
| 2.EB.25 | Jolliffeite | NiAsSe |
| 2.EB.25 | Cobaltite | CoAsS |
| 2.EB.25 | Guixiangite | NiBiS |
| 2.EB.25 | Testibiopalladite | PdSbTe |
| 2.EB.25 va | 'Antimony-bearing Gersdorffite' | Ni(As,Sb)S |
| 2.EB.25 | Kalungaite | PdAsSe |
| 2.EB.25 | Hollingworthite | (Rh,Pt,Pd)AsS |
| 2.EB.25 | Michenerite | PdBiTe |
| 2.EB.25 | Gersdorffite | NiAsS |
| 2.EB.25 | Milotaite | PdSbSe |
| 2.EB.25 | Tolovkite | IrSbS |
| 2.EB.25 | 'Platarsite' | Pt(As,S)2 |
| 2.EB.25 | Willyamite | CoSbS |
| 2.EB.25 | Changchengite | IrBiS |
| 2.EB.25 | Kvačekite | NiSbSe |
| 2.EB.25 | Krutovite | NiAs2 |
| 2.EB.25 | Padmaite | PdBiSe |
| 2.EB.25 | Ullmannite | NiSbS |
| 2.EB.25 | Irarsite | (Ir,Ru,Rh,Pt)AsS |
| 2.EB.30 | Urvantsevite | Pd(Bi,Pb)2 |
| 2.EB.35 | Rheniite | ReS2 |
Other Information
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 Geversite
mindat.org URL:
https://www.mindat.org/min-1687.html
Please feel free to link to this page.
Please feel free to link to this page.
Search Engines:
External Links:
Mineral Dealers:
References for Geversite
Reference List:
Stumpfl, E. F. (1961) Some new platinoid-rich minerals, identified with the electron microanalyser. Mineralogical Magazine and Journal of the Mineralogical Society, 32 (254). 833-847 doi:10.1180/minmag.1961.032.254.01
Stumpfl, E. F. (1961) Some new platinoid-rich minerals, identified with the electron microanalyser. Mineralogical Magazine and Journal of the Mineralogical Society, 32 (254). 833-847 doi:10.1180/minmag.1961.032.254.01
Furuseth, Sigrid, Selte, Kari, Kjekshus, Arne, Nielsen, P. H., Sjöberg, Berndt, Larsen, Erik (1965) Redetermined Crystal Structures of PdAs2, PdSb2, PtP2, PtAs2, PtSb2, alpha-PtBi2, and AuSb2. Acta Chemica Scandinavica, 19. 735-741 doi:10.3891/acta.chem.scand.19-0735
IMA (1967) International Mineralogical Association: Commission on New Minerals and Mineral Names. Mineralogical Magazine and Journal of the Mineralogical Society, 36 (277) 131-136 doi:10.1180/minmag.1967.036.277.20
Localities for Geversite
Showing 58 localities.
Locality List
- 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).
All localities listed without proper references should be considered as questionable.
Australia | |
| Webb (2014) |
| Johan et al. (1989) | |
| 5th International Platinum Symposium ... |
Austria | |
| Kolitsch (2015) |
| K. N. Malitch. (2001) |
| Kollegger et al. (2008) |
| Malitch et al. (2002) | |
Brazil | |
| 33rd International Geological Congress (2008) |
| Garuti et al. (2012) | |
Canada | |
| Nixon et al. (1990) |
| Nixon et al. (1990) | |
| Nixon et al. (1990) | |
| Ames et al. (2003) |
| 5th International Platinum Symposium ... +2 other references |
China | |
| Wenfeng Zhu and Youbin Liang (2000) |
| Minqing Cheng et al. (1993) |
| Zhu et al. (2019) |
Egypt | |
| Helmy et al. (1995) |
Finland | |
| Guice et al. (2017) +1 other reference |
| Gervilla et al. (2005) +2 other references |
| 33 IGC excursion No 15 +1 other reference |
India | |
| Canadian Mineralogist 40:277-309 |
| Augé et al. (2002, July) | |
Myanmar | |
| Hagen et al. (1990) |
Norway | |
| Pedersen et al. (1993) +1 other reference |
| Nilsson et al. (1998) |
Poland | |
| Kucha (2021) |
| Kucha (2021) |
Russia | |
| Rudashevskiy N.S. et al. (2003) +2 other references |
| Spiridonov et al. (2018) | |
| Kislov +2 other references | |
| 12 (12) +1 other reference |
| Mekhonoshin et al. (2013) |
| Cabri et al. (2022) |
| Lennikov et al. (2004) |
| Genkin et al. (1986) +1 other reference |
| |
| Barkov et al. (2019) |
| Rudashevskii N S et al. (1982) +2 other references |
| Grishaenko et al. (2007) |
| [World of Stones 12:49] | |
| Kiseleva et al. (2014) |
| 12 (12) +1 other reference | |
| 9th International platinum symposium Chromite-PGE mineralization in the Uktus Alaskan-Type Complex (Central Urals,) +2 other references |
Saudi Arabia | |
| 12 (12) +1 other reference |
South Africa | |
| Anthony et al. (1990) |
| Stumpfl (1961) +2 other references |
| Cabri et al. (1975) +2 other references | |
| Rudashevsky et al. (1992) +1 other reference |
| Hutchinson et al. (2005) |
| Holwell et al. (2006) +1 other reference |
| Hutchinson et al. (2005) | |
| Cairncross et al. (1995) | |
Tanzania | |
| Maier et al. (2010) |
| Evans et al. (2012) |
UK | |
| 5th International Platinum Symposium ... |
| Badanina et al. (2016) | |
USA | |
| Anthony et al. (1990) |
Quick NavTopAbout GeversiteUnique IdentifiersIMA Classification Classification Mineral SymbolsPhysical Properties Optical Data Chemistry Crystallography Crystal StructureX-Ray Powder DiffractionGeological EnvironmentType Occurrence Other LanguagesRelationshipsCommon AssociatesStrunz-MindatOther InformationInternet Links References Localities Locality List






symbol to view information about a locality.
The
Driekop Mine, Fetakgomo Tubatse Local Municipality, Sekhukhune District Municipality, Limpopo, South Africa