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Krutovite Mineral Data
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General Krutovite Information
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 Chemical Formula: |
NiAs2 |
| Composition: |
Molecular Weight = 208.53 gm |
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Nickel 28.14 % Ni |
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Arsenic 71.86 % As |
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______ |
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100.00 % |
| Empirical Formula: |
NiAs2 |
| Environment: |
In Cu-Ni-As veins of hydrothermal origin |
| IMA Status: |
Approved IMA 1976 |
| Locality: |
Pot�cky (Breitenbach), Krusne Hory (Erzgebirge), Z�padocesk� Kraj, Bohemia, Czech Republic. Link to MinDat.org Location Data. |
| Name Origin: |
Named for Georgi Alekseevich Krutov, Professor of Mineralogy, Moscow Gosdarst Univeristy, Moscow, Russia. |
| Name Pronunciation: |
Krutovite + Pronunciation  |
| Synonym: |
ICSD 42569 |
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PDF 29-928 |
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Krutovite Image |
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Images:
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Krutovite
Comments: Gray silivery metallic krutovite grains in matrix.
Location: Belorechensk, Krasnodarskij oblast, southeast of Krasnodar, Russia.
Scale: Specimen Size 5x2 cm.
© Diederik Visser |
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Krutovite Crystallography
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| Cell Dimensions: |
a = 5.794, Z = 4; V = 194.51 Den(Calc)= 7.12 |
| Crystal System: |
Isometric - Diploidal H-M Symbol (2/m 3) Space Group: P a3 |
| X Ray Diffraction: |
By Intensity(I/Io): 2.593(1), 1.746(0.8), 2.365(0.8), |
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Physical Properties of Krutovite
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| Color: |
Gray white. |
| Diaphaneity: |
Opaque |
| Hardness: |
5.5 - Knife Blade |
| Luster: |
Metallic |
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Optical Properties of Krutovite
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| RL Color: |
Bright white with a rose tint, paler than associated nickel-skutterudite. |
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Calculated Properties of Krutovite
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| Electron Density: |
Bulk Density (Electron Density)=6.42 gm/cc
note: Specific Gravity of Krutovite =7.12 gm/cc.
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| Fermion Index: |
Fermion Index = 0.0031802946
Boson Index = 0.9968197054 |
| Photoelectric: |
PEKrutovite = 63.48 barns/electron
U=PEKrutovite x rElectron Density= 407.45 barns/cc.
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| Radioactivity: |
GRapi = 0 (Gamma Ray American Petroleum Institute Units)
Krutovite is Not Radioactive |
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Krutovite Classification
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| Dana Class: |
02.12.01.12 (02)Sulfides - Including Selenides and Tellurides |
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(02.12)where Am Bn Xp, with (m+n):p=1:2 |
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(02.12.01)Pyrite Group (Isometric: Pa3) |
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02.12.01.01 Pyrite FeS2 P a3 2/m 3 |
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02.12.01.02 Vaesite NiS2 P a3 2/m 3 |
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02.12.01.03 Cattierite CoS2 P a3 2/m 3 |
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02.12.01.04 Penroseite (Ni,Co,Cu)Se2 P a3 2/m 3 |
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02.12.01.05 Trogtalite CoSe2 P a3 2/m 3 |
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02.12.01.06 Villamaninite (Cu,Ni,Co,Fe)S2 P a3 2/m 3 |
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02.12.01.07 Fukuchilite Cu3FeS8 P a3 2/m 3 |
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02.12.01.08 Krutaite CuSe2 P a3 2/m 3 |
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02.12.01.09 Hauerite MnS2 P a3 2/m 3 |
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02.12.01.10 Laurite RuS2 P a3 2/m 3 |
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02.12.01.11 Aurostibite AuSb2 P a3 2/m 3 |
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02.12.01.12 Krutovite NiAs2 P a3 2/m 3 |
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02.12.01.13 Sperrylite PtAs2 P a3 2/m 3 |
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02.12.01.14 Geversite Pt(Sb,Bi)2 P a3 2/m 3 |
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02.12.01.15 Insizwaite Pt(Bi,Sb)2 P a3 2/m 3 |
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02.12.01.16 Erlichmanite OsS2 P a3 2/m 3 |
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02.12.01.17 Dzharkenite FeSe2 P a3 2/m 3 |
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02.12.01.18 Gaotaiite Ir3Te8 P a3 2/m 3 |
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02.12.01.19 Mayingite IrBiTe P a3 2/m 3 |
| Strunz Class: |
02.EB.25 02 - SULFIDES and SULFOSALTS (sulfides, selenides, tellurides; arsenides, antimonides, bismuthides; sulfarsenites, sulf |
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02.E - Metal Sulfides, M:S � 1:2 |
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02.EB -M:S = 1:2, with Fe, Co, Ni, PGE, etc. |
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02.EB.25 Cobaltite CoAsS P ca21 mm2 |
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02.EB.25 Changchengite! IrBiS P 213 2 3 |
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02.EB.25 Hollingworthite (Rh,Pt,Pd)AsS P a3 2/m 3 |
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02.EB.25 Gersdorffite NiAsS P 213 2 3 |
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02.EB.25 Irarsite (Ir,Ru,Rh,Pt)AsS P a3 2/m 3 |
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02.EB.25 Jolliffeite (Ni,Co)AsSe P a3 2/m 3 |
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02.EB.25 Krutovite NiAs2 P a3 2/m 3 |
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02.EB.25 Michenerite (Pd,Pt)BiTe P 213 2 3 |
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02.EB.25 Maslovite PtBiTe P 213 2 3 |
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02.EB.25 Mayingite IrBiTe P a3 2/m 3 |
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02.EB.25 Padmaite PdBiSe P 213 2 3 |
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02.EB.25 Platarsite (Pt,Rh,Ru)AsS P a3 2/m 3 |
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02.EB.25 Ullmannite NiSbS P 213 2 3 |
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02.EB.25 Tolovkite IrSbS P 213 2 3 |
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02.EB.25 Testibiopalladite PdTe(Sb,Te) P 213 2 3 |
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02.EB.25 Willyamite (Co,Ni)SbS P 213 2 3 |
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02.EB.25 Kalungaite! PdAsSe Pa3 2/m 3 |
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02.EB.25 Milotaite! PdSbSe P 21/3 2 3 |
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Other Krutovite Information
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| References: |
NAME( AntBidBlaNic1) PHYS. PROP.(Enc. of Minerals,2nd ed.,1990) OPTIC PROP.(AntBidBlaNic1) |
| 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
15 - WWW-MINCRYST
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Krutovite
NiAs2
Dana No: 02.12.01.12 Strunz No: 02.EB.25
Locality:
Notes:
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