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Geversite Mineral Data

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General Geversite Information

Help on Chemical  Formula: Chemical Formula: Pt(Sb,Bi)2
Help on Composition: Composition: Molecular Weight = 482.20 gm
   Bismuth   21.67 %  Bi
   Antimony  37.87 %  Sb
   Platinum  40.46 %  Pt
            ______ 
            100.00 % 
Help on Empirical Formula: Empirical Formula: PtSb1.5Bi0.5
Help on Environment: Environment: In concentrates of platinum minerals, derived from Pt-Fe-Ni-Cu deposits in ultramafic rocks.
Help on IMA Status: IMA Status: Approved IMA 1961
Help on Locality: Locality: In the Driekop mine, eastern Transvaal, South Africa. Link to MinDat.org Location Data.
Help on Name Origin: Name Origin: For Professor T.W. Gevers.
Help on Name Pronunciation: Name Pronunciation: Geversite + Pronunciation Say GEVERSITE
Help on Synonym: Synonym: ICSD 43105
  PDF 45-1341
 

Geversite Image

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  Geversite

Comments: Several PGM (mertieite, geversite: white) in a silicate matrix (black) of ferrian chromite (FeCr). (CanMin v40:277).
Location: Gabbro-hosted Precambrian Baula Complex, in Orissa, India. Scale: See Image.
© Canadian Mineralogist

Geversite Crystallography

Help on Cell Dimensions: Cell Dimensions: a = 6.44, Z = 4; V = 267.09 Den(Calc)= 11.99
Help on Crystal System: Crystal System: Isometric - Diploidal H-M Symbol (2/m 3) Space Group: P a3
Help on X Ray Diffraction: X Ray Diffraction: By Intensity(I/Io): 1.94(1), 1.72(0.6), 2.92(0.4),
 

Physical Properties of Geversite

Help on Color: Color: Steel gray.
Help on Density: Density: 10.97
Help on Diaphaneity: Diaphaneity: Opaque
Help on Hardness: Hardness: 4.5-5 - Near Apatite
Help on Luster: Luster: Metallic
 

Optical Properties of Geversite

Help on RL Color: RL Color: Light gray.
Help on Reflectivity Reflectivity
Standardized Intensity (100%) Reflection Spectra of Geversite in Air
λ R  ∑ R(λ) 
 400 nm   58.90   
 420 nm   59.10 
 440 nm   59.30 
 460 nm   59.40 
 480 nm   59.40 
 500 nm   59.40 
 520 nm   59.20 
 540 nm   58.90 
 560 nm   58.40 
 580 nm   57.80 
 600 nm   57.40 
 620 nm   57.30 
 640 nm   57.20 
 660 nm   57.20 
 680 nm   57.40 
 700 nm   57.80 
Calculated Relative Intensity Colors of Geversite in Air
Relative
Intensity
   0%   20%   40%   60%   80% 100% 120% 140% 160%
R                  
 

Calculated Properties of Geversite

Help on Electron Density: Electron Density: Bulk Density (Electron Density)=9.75 gm/cc
note: Specific Gravity of Geversite =12.0 gm/cc.
Help on Fermion Index: Fermion Index: Fermion Index = 0.13
Boson Index = 0.87
Help on Photoelectric: Photoelectric: PEGeversite =1,210.56 barns/electron
U=PEGeversite x rElectron Density=11799.64 barns/cc.
Help on Radioactivity: Radioactivity: GRapi = 0 (Gamma Ray American Petroleum Institute Units)
Geversite is Not Radioactive
 

Geversite Classification

Help on  Dana Class: Dana Class: 02.12.01.14 (02)Sulfides - Including Selenides and Tellurides
  (02.12)where Am Bn Xp, with (m+n):p=1:2
  (02.12.01)Pyrite Group (Isometric: Pa3)
 
02.12.01.01 Pyrite FeS2 P a3 2/m 3
 
02.12.01.02 Vaesite NiS2 P a3 2/m 3
 
02.12.01.03 Cattierite CoS2 P a3 2/m 3
 
02.12.01.04 Penroseite (Ni,Co,Cu)Se2 P a3 2/m 3
 
02.12.01.05 Trogtalite CoSe2 P a3 2/m 3
 
02.12.01.06 Villamaninite (Cu,Ni,Co,Fe)S2 P a3 2/m 3
 
02.12.01.07 Fukuchilite Cu3FeS8 P a3 2/m 3
 
02.12.01.08 Krutaite CuSe2 P a3 2/m 3
 
02.12.01.09 Hauerite MnS2 P a3 2/m 3
 
02.12.01.10 Laurite RuS2 P a3 2/m 3
 
02.12.01.11 Aurostibite AuSb2 P a3 2/m 3
 
02.12.01.12 Krutovite NiAs2 P a3 2/m 3
 
02.12.01.13 Sperrylite PtAs2 P a3 2/m 3
 
02.12.01.14 Geversite Pt(Sb,Bi)2 P a3 2/m 3
 
02.12.01.15 Insizwaite Pt(Bi,Sb)2 P a3 2/m 3
 
02.12.01.16 Erlichmanite OsS2 P a3 2/m 3
 
02.12.01.17 Dzharkenite FeSe2 P a3 2/m 3
 
02.12.01.18 Gaotaiite Ir3Te8 P a3 2/m 3
 
02.12.01.19 Mayingite IrBiTe P a3 2/m 3
Help on  Strunz Class: Strunz Class: 02.EB.05a 02 - SULFIDES and SULFOSALTS (sulfides, selenides, tellurides; arsenides, antimonides, bismuthides; sulfarsenites, sulf
  02.E - Metal Sulfides, M:S � 1:2
  02.EB -M:S = 1:2, with Fe, Co, Ni, PGE, etc.
 
02.EB.05a Aurostibite AuSb2 P a3 2/m 3
 
02.EB.05a Cattierite CoS2 P a3 2/m 3
 
02.EB.05a Hauerite MnS2 P a3 2/m 3
 
02.EB.05a Fukuchilite Cu3FeS8 P a3 2/m 3
 
02.EB.05a Dzharkenite FeSe2 P a3 2/m 3
 
02.EB.05a Erlichmanite OsS2 P a3 2/m 3
 
02.EB.05a Geversite Pt(Sb,Bi)2 P a3 2/m 3
 
02.EB.05a Gaotaiite Ir3Te8 P a3 2/m 3
 
02.EB.05a Insizwaite Pt(Bi,Sb)2 P a3 2/m 3
 
02.EB.05a Laurite RuS2 P a3 2/m 3
 
02.EB.05a Krutaite CuSe2 P a3 2/m 3
 
02.EB.05a Pyrite FeS2 P a3 2/m 3
 
02.EB.05a Penroseite (Ni,Co,Cu)Se2 P a3 2/m 3
 
02.EB.05a Sperrylite PtAs2 P a3 2/m 3
 
02.EB.05a Vaesite NiS2 P a3 2/m 3
 
02.EB.05a Villamaninite (Cu,Ni,Co,Fe)S2 P a3 2/m 3
 
02.EB.05a Trogtalite CoSe2 P a3 2/m 3
 

Other Geversite Information

Help on References: References: NAME( AntBidBlaNic1) PHYS. PROP.(Enc. of Minerals,2nd ed.,1990) OPTIC PROP.(AntBidBlaNic1)
Help on See Also: See Also: Links to other databases for Geversite :
1 - Am. Min. Crystal Structure Database
2 - Athena
3 - EUROmin Project
4 - Ecole des Mines de Paris
5 - GeoScienceWorld
6 - Google Images
7 - Google Scholar
8 - Handbook of Mineralogy (MinSocAm)
9 - Handbook of Mineralogy (UofA)
10 - MinDAT
11 - Mineralienatlas (Deutsch)
12 - Online Mineral Museum
13 - QUT Mineral Atlas
14 - Ruff.Info
15 - WWW-MINCRYST

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Geversite

Pt(Sb,Bi)2
Dana No: 02.12.01.14 Strunz No: 02.EB.05a
Locality:

 

Notes:

 

 
   
 


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