Mineralogy Database

Kullerudite Mineral Data

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General Kullerudite Information

Help on Chemical  Formula: Chemical Formula: NiSe2
Help on Composition: Composition: Molecular Weight = 216.61 gm
   Nickel    27.09 %  Ni
   Selenium  72.91 %  Se
            ______ 
            100.00 % 
Help on Empirical Formula: Empirical Formula: NiSe2
Help on Environment: Environment: In calcite veins in sills of albite diabase in schist, associated with low-grade uranium mineralization, almost exclusively as an alteration product of wilkmanite.
Help on IMA Status: IMA Status: Approved IMA 1964
Help on Locality: Locality: Kuusamo, northeastern Findland. Link to MinDat.org Location Data.
Help on Name Origin: Name Origin: Named for Gunner Kullerud, Geophisical Laboratory, Washington, D.C., USA.
Help on Name Pronunciation: Name Pronunciation: Kullerudite + Pronunciation Say KULLERUDITE
 

Kullerudite Crystallography

Help on Axial Ratios: Axial Ratios: a:b:c =0.8204:1:0.6157
Help on Cell Dimensions: Cell Dimensions: a = 4.89, b = 5.96, c = 3.67, Z = 2; V = 106.96 Den(Calc)= 6.73
Help on Crystal System: Crystal System: Orthorhombic - Dipyramidal H-M Symbol (2/m 2/m 2/m) Space Group: Pnnm
Help on X Ray Diffraction: X Ray Diffraction: By Intensity(I/Io): 2.545(1), 2.64(1), 2.935(0.8),
 

Physical Properties of Kullerudite

Help on Color: Color: Lead gray.
Help on Density: Density: 6.72
Help on Diaphaneity: Diaphaneity: Opaque
Help on Habit: Habit: Massive - Uniformly indistinguishable crystals forming large masses.
Help on Hardness: Hardness: 5.5-6.5 - Knife Blade-Pyrite
Help on Luster: Luster: Metallic
 

Optical Properties of Kullerudite

Help on RL Anisotrophism: RL Anisotrophism: Very strong, yellowish gray to gray to almost black.
Help on RL Color: RL Color: Creamy grayish white, paler than penroseite.
Help on RL Pleochroism: RL Pleochroism: Distinct in oil, gray to pale gray.
 

Calculated Properties of Kullerudite

Help on Electron Density: Electron Density: Bulk Density (Electron Density)=5.97 gm/cc
note: Specific Gravity of Kullerudite =6.73 gm/cc.
Help on Fermion Index: Fermion Index: Fermion Index = 0.05
Boson Index = 0.95
Help on Photoelectric: Photoelectric: PEKullerudite = 69.56 barns/electron
U=PEKullerudite x rElectron Density= 414.97 barns/cc.
Help on Radioactivity: Radioactivity: GRapi = 0 (Gamma Ray American Petroleum Institute Units)
Kullerudite is Not Radioactive
 

Kullerudite Classification

Help on  Dana Class: Dana Class: 02.12.02.06 (02)Sulfides - Including Selenides and Tellurides
  (02.12)where Am Bn Xp, with (m+n):p=1:2
  (02.12.02)Marcasite Group (Orthorhombic: Pnnm)
 
02.12.02.01 Marcasite FeS2 Pnnm 2/m 2/m 2/m
 
02.12.02.02 Ferroselite FeSe2 Pnnm 2/m 2/m 2/m
 
02.12.02.03 Frohbergite FeTe2 Pnnm 2/m 2/m 2/m
 
02.12.02.04 Hastite? CoSe2 Pnnm 2/m 2/m 2/m
 
02.12.02.05 Mattagamite CoTe2 Pnnm 2/m 2/m 2/m
 
02.12.02.06 Kullerudite NiSe2 Pnnm 2/m 2/m 2/m
 
02.12.02.07 Omeiite (Os,Ru)As2 Pnnm 2/m 2/m 2/m
 
02.12.02.08 Anduoite (Ru,Os)As2 Pnnm 2/m 2/m 2/m
 
02.12.02.09 Lollingite FeAs2 Pnnm 2/m 2/m 2/m
 
02.12.02.10 Seinajokite (Fe,Ni)(Sb,As)2 Pnnm 2/m 2/m 2/m
 
02.12.02.11 Safflorite (Co,Fe)As2 Pnnm 2/m 2/m 2/m
 
02.12.02.12 Rammelsbergite NiAs2 Pnnm 2/m 2/m 2/m
 
02.12.02.13 Nisbite NiSb2 Pnnm 2/m 2/m 2/m
Help on  Strunz Class: Strunz Class: 02.EB.10a 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.10a Frohbergite FeTe2 Pnnm 2/m 2/m 2/m
 
02.EB.10a Hastite? CoSe2 Pnnm 2/m 2/m 2/m
 
02.EB.10a Ferroselite FeSe2 Pnnm 2/m 2/m 2/m
 
02.EB.10a Kullerudite NiSe2 Pnnm 2/m 2/m 2/m
 
02.EB.10a Mattagamite CoTe2 Pnnm 2/m 2/m 2/m
 
02.EB.10a Marcasite FeS2 Pnnm 2/m 2/m 2/m
 

Other Kullerudite 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 Kullerudite :
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 Kullerudite Specimen Label here :

Kullerudite

NiSe2
Dana No: 02.12.02.06 Strunz No: 02.EB.10a
Locality:

 

Notes:

 

 
   
 


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