Kullerudite Mineral Data

Kullerudite Mineral Data +

[What's New] [Mineral Galleries] [Sale Items] [About Us] [Contacts]
At AA Mineral Specimens, we source quality Mineral Specimens, Fossils, Gemstones,
Decorative Stones, Lapidary Material and Specimen Sets world-wide

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.

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

Diaphaniety:

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:

r_electron=5.97 gm/cc
note: r_Kullerudite=6.73 gm/cc.

Fermion Index

Fermion Index = 0.05846
Boson Index = 0.94154

Photoelectric:

PE_Kullerudite= 69.56 barns/electron
U=PE_Kullerudite x r_electron= 414.97 barns/cc.

Radioactivity:

GRapi = 0 (Gamma Ray American Petroleum Institute Units)

Kullerudite is Not Radioactive

Kullerudite Classification

Dana Class:

2.12.2.6 (2)Sulfides - Including Selenides and Tellurides

(2.12)where Am Bn Xp, with (m+n):p=1:2

(2.12.2)Marcasite Group (Orthorhombic: Pnnm)

2.12.2.1 Marcasite FeS2 Pnnm 2/m 2/m 2/m

2.12.2.2 Ferroselite FeSe2 Pnnm 2/m 2/m 2/m

2.12.2.3 Frohbergite FeTe2 Pnnm 2/m 2/m 2/m

2.12.2.4 Hastite CoSe2 Pnnm 2/m 2/m 2/m

2.12.2.5 Mattagamite CoTe2 Pnnm 2/m 2/m 2/m

2.12.2.6 Kullerudite NiSe2 Pnnm 2/m 2/m 2/m

2.12.2.7 Omeiite (Os,Ru)As2 Pnnm 2/m 2/m 2/m

2.12.2.8 Anduoite (Ru,Os)As2 Pnnm 2/m 2/m 2/m

2.12.2.9 Lollingite FeAs2 Pnnm 2/m 2/m 2/m

2.12.2.10 Seinajokite (Fe,Ni)(Sb,As)2 Pnnm 2/m 2/m 2/m

2.12.2.11 Safflorite (Co,Fe)As2 Pnnm 2/m 2/m 2/m

2.12.2.12 Rammelsbergite NiAs2 Pnnm 2/m 2/m 2/m

2.12.2.13 Nisbite NiSb2 Pnnm 2/m 2/m 2/m

Strunz Class:

II/D.20-40 II - Sulfides and sulphosalts

II/D - Sulfides with metal: sulfur, selenium and tellurium < 1:1, Tellurides with Copper, Silver, Gold

II/D.20 - Markasite - Iridarsenite series

II/D.20-10 Marcasite FeS2 Pnnm 2/m 2/m 2/m

II/D.20-20 Ferroselite FeSe2 Pnnm 2/m 2/m 2/m

II/D.20-30 Hastite CoSe2 Pnnm 2/m 2/m 2/m

II/D.20-40 Kullerudite NiSe2 Pnnm 2/m 2/m 2/m

II/D.20-50 Frohbergite FeTe2 Pnnm 2/m 2/m 2/m

II/D.20-60 Mattagamite CoTe2 Pnnm 2/m 2/m 2/m

II/D.20-70 Anduoite (Ru,Os)As2 Pnnm 2/m 2/m 2/m

II/D.20-80 Omeiite (Os,Ru)As2 Pnnm 2/m 2/m 2/m

II/D.20-90 Iridarsenite (Ir,Ru)As2 P 2₁/c 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 -Google Images 5 -Google Scholar 6 -Handbook of Mineralogy (UofA) 7 -MinDAT 8 -MinMax(Deutsch) 9 -MinMax(English) 10 -Mineralienatlas (Deutsch) 11 -QUT Mineral Atlas 12 - WWW-MINCRYST 13 -École des Mines de Paris

Search for Kullerudite using:

[ALTAVISTA] [AOL] [About.com] [All-The-Web] [HotBot] [Ixquick] [LookSmart] [MAMMA] [MSN.COM] [Netscape] [Teoma] [Wikipedia] [YAHOO]

Visit our Advertisers for Kullerudite :
AA Mineral Specimens
B and L Minerals
Crystal Vaults
Dan Weinrich Fine Minerals
Dan Weinrich Auctions
e-Rocks Auctions
Excalibur Minerals
Exceptional Minerals
Fabre Minerals
Greenside Minerals
John Betts Fine Minerals
Masons Minerals
Mineral News
Mineral of the Month Club
MineralsWeb Fine Minerals
Rockshop.cz Kalat Fine Minerals
T G Fine Minerals
Wrights Rock Shop

Translate Kullerudite Mineral Data :

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: 2.12.2.6 Strunz No: II/D.20-40
Locality:

Notes: