Mineralogy Database

Krutovite Mineral Data

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General Krutovite Information

Help on Chemical  Formula: Chemical Formula: NiAs2
Help on Composition: Composition: Molecular Weight = 208.53 gm
   Nickel   28.14 %  Ni
   Arsenic  71.86 %  As
           100.00 % 
Help on Empirical Formula: Empirical Formula: NiAs2
Help on Environment: Environment: In Cu-Ni-As veins of hydrothermal origin
Help on IMA Status: IMA Status: Approved IMA 1976
Help on Locality: Locality: Pot�cky (Breitenbach), Krusne Hory (Erzgebirge), Z�padocesk� Kraj, Bohemia, Czech Republic. Link to MinDat.org Location Data.
Help on Name Origin: Name Origin: Named for Georgi Alekseevich Krutov, Professor of Mineralogy, Moscow Gosdarst Univeristy, Moscow, Russia.
Help on Name Pronunciation: Name Pronunciation: Krutovite + Pronunciation Say KRUTOVITE
Help on Synonym: Synonym: ICSD 42569
  PDF 29-928

Krutovite Image

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Comments: Gray silivery metallic krutovite grains in matrix.
Location: Belorechensk, Krasnodarskij oblast, southeast of Krasnodar, Russia. Scale: Specimen Size 5x2 cm.
© Diederik Visser

Krutovite Crystallography

Help on Cell Dimensions: Cell Dimensions: a = 5.794, Z = 4; V = 194.51 Den(Calc)= 7.12
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): 2.593(1), 1.746(0.8), 2.365(0.8),

Physical Properties of Krutovite

Help on Color: Color: Gray white.
Help on Diaphaneity: Diaphaneity: Opaque
Help on Hardness: Hardness: 5.5 - Knife Blade
Help on Luster: Luster: Metallic

Optical Properties of Krutovite

Help on RL Color: RL Color: Bright white with a rose tint, paler than associated nickel-skutterudite.

Calculated Properties of Krutovite

Help on Electron Density: Electron Density: Bulk Density (Electron Density)=6.42 gm/cc
note: Specific Gravity of Krutovite =7.12 gm/cc.
Help on Fermion Index: Fermion Index: Fermion Index = 0.0031802946
Boson Index = 0.9968197054
Help on Photoelectric: Photoelectric: PEKrutovite = 63.48 barns/electron
U=PEKrutovite x rElectron Density= 407.45 barns/cc.
Help on Radioactivity: Radioactivity: GRapi = 0 (Gamma Ray American Petroleum Institute Units)
Krutovite is Not Radioactive

Krutovite Classification

Help on  Dana Class: Dana Class: (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) Pyrite FeS2 P a3 2/m 3 Vaesite NiS2 P a3 2/m 3 Cattierite CoS2 P a3 2/m 3 Penroseite (Ni,Co,Cu)Se2 P a3 2/m 3 Trogtalite CoSe2 P a3 2/m 3 Villamaninite (Cu,Ni,Co,Fe)S2 P a3 2/m 3 Fukuchilite Cu3FeS8 P a3 2/m 3 Krutaite CuSe2 P a3 2/m 3 Hauerite MnS2 P a3 2/m 3 Laurite RuS2 P a3 2/m 3 Aurostibite AuSb2 P a3 2/m 3 Krutovite NiAs2 P a3 2/m 3 Sperrylite PtAs2 P a3 2/m 3 Geversite Pt(Sb,Bi)2 P a3 2/m 3 Insizwaite Pt(Bi,Sb)2 P a3 2/m 3 Erlichmanite OsS2 P a3 2/m 3 Dzharkenite FeSe2 P a3 2/m 3 Gaotaiite Ir3Te8 P a3 2/m 3 Mayingite IrBiTe P a3 2/m 3
Help on  Strunz Class: Strunz Class: 02.EB.25 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.25 Cobaltite CoAsS P ca21 mm2
02.EB.25 Changchengite! IrBiS P 213 2 3
02.EB.25 Hollingworthite (Rh,Pt,Pd)AsS P a3 2/m 3
02.EB.25 Gersdorffite NiAsS P 213 2 3
02.EB.25 Irarsite (Ir,Ru,Rh,Pt)AsS P a3 2/m 3
02.EB.25 Jolliffeite (Ni,Co)AsSe P a3 2/m 3
02.EB.25 Krutovite NiAs2 P a3 2/m 3
02.EB.25 Michenerite (Pd,Pt)BiTe P 213 2 3
02.EB.25 Maslovite PtBiTe P 213 2 3
02.EB.25 Mayingite IrBiTe P a3 2/m 3
02.EB.25 Padmaite PdBiSe P 213 2 3
02.EB.25 Platarsite (Pt,Rh,Ru)AsS P a3 2/m 3
02.EB.25 Ullmannite NiSbS P 213 2 3
02.EB.25 Tolovkite IrSbS P 213 2 3
02.EB.25 Testibiopalladite PdTe(Sb,Te) P 213 2 3
02.EB.25 Willyamite (Co,Ni)SbS P 213 2 3
02.EB.25 Kalungaite! PdAsSe Pa3 2/m 3
02.EB.25 Milotaite! PdSbSe P 21/3 2 3

Other Krutovite 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 Krutovite :
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

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Dana No: Strunz No: 02.EB.25





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