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Vaesite Mineral Data

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General Vaesite Information

Help on Chemical  Formula: Chemical Formula: NiS2
Help on Composition: Composition: Molecular Weight = 122.82 gm
   Nickel  47.78 %  Ni
   Sulfur  52.22 %  S
          ______ 
          100.00 % 
Help on Empirical Formula: Empirical Formula: NiS2
Help on Environment: Environment: Disseminated through dolomite (Kasompi mine, Zaire); as a secondary alteration product of arsenic-deficient nickel skutterudite (Germany)
Help on IMA Status: IMA Status: Valid Species (Pre-IMA) 1945
Help on Locality: Locality: Kasompi mine, Katanga (Shaba), Congo (Zaire). Link to MinDat.org Location Data.
Help on Name Origin: Name Origin: Named for Johannes Vaes, mineralogist for the Union Miniere du Haut Katanga.
Help on Name Pronunciation: Name Pronunciation: Vaesite Say VAESITE
Help on Synonym: Synonym: ICSD 79671
  PDF Nov-99
 

Vaesite Image

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  Vaesite

Comments: Metallic black vaesite microcrystals.
Location: Ca'de Ladri, Bologna, Emilia-Romagna, Italy. Scale: See Photo.
© Jeff Weissman / Photographic Guide to Mineral Species

Vaesite Crystallography

Help on Cell Dimensions: Cell Dimensions: a = 5.6793, Z = 4; V = 183.18 Den(Calc)= 4.45
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): 2.83(1), 1.71(0.8), 1.09(0.6),
 

Physical Properties of Vaesite

Help on Cleavage: Cleavage: {001} Perfect
Help on Color: Color: Black, Steel gray, Tin white.
Help on Density: Density: 4.45
Help on Diaphaneity: Diaphaneity: Opaque
Help on Habit: Habit: Disseminated - Occurs in small, distinct particles dispersed in matrix.
Help on Habit: Habit: Massive - Uniformly indistinguishable crystals forming large masses.
Help on Hardness: Hardness: 4.5-5.5 - Near Apatite
Help on Luster: Luster: Metallic
 

Optical Properties of Vaesite

Help on RL Color: RL Color: Gray, pale violet.
Help on RL Pleochroism: RL Pleochroism: None.
Help on Reflectivity Reflectivity
Standardized Intensity (100%) Reflection Spectra of Vaesite in Air
λ R  ∑ R(λ) 
 400 nm   35.00   
 420 nm   34.30 
 440 nm   33.60 
 460 nm   33.00 
 480 nm   32.50 
 500 nm   32.00 
 520 nm   31.80 
 540 nm   31.60 
 560 nm   31.50 
 580 nm   31.50 
 600 nm   31.60 
 620 nm   31.80 
 640 nm   32.00 
 660 nm   32.40 
 680 nm   33.00 
 700 nm   33.60 
Calculated Relative Intensity Colors of Vaesite in Air
Relative
Intensity
   0%   30%   60%   90% 100% 120% 150% 180% 210% 240% 270% 280%
R                        
 

Calculated Properties of Vaesite

Help on Electron Density: Electron Density: Bulk Density (Electron Density)=4.35 gm/cc
note: Specific Gravity of Vaesite =4.45 gm/cc.
Help on Fermion Index: Fermion Index: Fermion Index = 0.0093158148
Boson Index = 0.9906841852
Help on Photoelectric: Photoelectric: PEVaesite = 21.79 barns/electron
U=PEVaesite x rElectron Density= 94.75 barns/cc.
Help on Radioactivity: Radioactivity: GRapi = 0 (Gamma Ray American Petroleum Institute Units)
Vaesite is Not Radioactive
 

Vaesite Classification

Help on  Dana Class: Dana Class: 02.12.01.02 (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 Vaesite 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 Vaesite :
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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Print or Cut-and-Paste your Vaesite Specimen Label here :

Vaesite

NiS2
Dana No: 02.12.01.02 Strunz No: 02.EB.05a
Locality:

 

Notes:

 

 
   
 


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