Kullerudite Mineral Data

Advertisment

Updated weekly, for the collector, educator, and researcher since 1996. Extensive Inventory of very Rare Minerals. Visa and Mastercard are Welcome

General Kullerudite Information

Chemical Formula:

NiSe2

Composition:

Molecular Weight = 216.61 gm

Nickel 27.09 % Ni

Selenium 72.91 % Se

______

100.00 %

Empirical Formula:

NiSe₂

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.

IMA Status:

Approved IMA 1964

Locality:

Kuusamo, northeastern Findland. Link to MinDat.org Location Data.

Name Origin:

Named for Gunner Kullerud, Geophisical Laboratory, Washington, D.C., USA.

Name Pronunciation:

Kullerudite + Pronunciation

Search for Kullerudite Images

Images:

Image not yet available on Webmineral.com

Try searching images.google.com or Mindat Picture Gallary for mineral pictures. Caution: The images retrieved may not be appropriate.

Kullerudite Crystallography

Axial Ratios:

a:b:c =0.8204:1:0.6157

Cell Dimensions:

a = 4.89, b = 5.96, c = 3.67, Z = 2; V = 106.96 Den(Calc)= 6.73

Crystal System:

Orthorhombic - DipyramidalH-M Symbol (2/m 2/m 2/m) Space Group: Pnnm

$Help on X Ray Diffraction:$ X Ray Diffraction:

By Intensity(I/I_o): 2.545(1), 2.64(1), 2.935(0.8),

Physical Properties of Kullerudite

Color:

Lead gray.

Density:

6.72

Diaphaneity:

Opaque

Habit:

Massive - Uniformly indistinguishable crystals forming large masses.

Hardness:

5.5-6.5 - Knife Blade-Pyrite

Luster:

Metallic

Optical Properties of Kullerudite

RL Anisotrophism:

Very strong, yellowish gray to gray to almost black.

RL Color:

Creamy grayish white, paler than penroseite.

RL Pleochroism:

Distinct in oil, gray to pale gray.

Calculated Properties of Kullerudite

Electron Density:

Bulk Density (Electron Density)=5.97 gm/cc
note: Specific Gravity of Kullerudite =6.73 gm/cc.

Fermion Index:

Fermion Index = 0.05
Boson Index = 0.95

Photoelectric:

PE_Kullerudite= 69.56 barns/electron
U=PE_Kullerudite x rElectron Density= 414.97 barns/cc.

Radioactivity:

GRapi = 0 (Gamma Ray American Petroleum Institute Units)
Kullerudite is Not Radioactive

Kullerudite Classification

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

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

References:

NAME( AntBidBlaNic1) PHYS. PROP.(Enc. of Minerals,2nd ed.,1990) OPTIC PROP.(AntBidBlaNic1)

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

Search for Kullerudite using:

[AOL] [Bing] [Dog Pile] [GeoScienceWorld] [HotBot] [Ixquick] [Lycos] [MAMMA] [Scirus] [Teoma] [WebCrawler] [Wikipedia] [YAHOO]

Visit our Advertisers for Kullerudite :

A Bijoux Google Search for Kullerudite
Adam's Minerals Google Search for Kullerudite
Cape Minerals Google Search for Kullerudite
Dakota Matrix Minerals Google Search for Kullerudite
Excalibur Mineral Corp. Google Search for Kullerudite
Exceptional Minerals Google Search for Kullerudite
John Betts Fine Minerals Search for Kullerudite
McDougall Minerals Google Search for Kullerudite
Mineral News Website Link
Rock and Mineral Shows Google Search for Kullerudite
Weinrich Minerals, Inc. Google Search for Kullerudite

Ask about Kullerudite here :
Ask-A-Mineralogist from the Mineralogical Society of America
Mindat.org's Discussion Groups
Original Rockhounds Discussion Group
Rockhounds Discussion Group on Yahoo Groups
Mineral Discussion Forum from Fabre Minerals - also available in Español

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: