Vaesite Mineral Data (original) (raw)

General Vaesite Information

Help on Chemical Formula: Chemical Formula:

NiS2

Help on Composition: Composition:

Molecular Weight = 122.82 gm

Nickel 47.78 % Ni

Sulfur 52.22 % S

______

100.00 %

Help on Empirical Formula: Empirical Formula:

NiS2

Help on Environment: Environment:

Disseminated through dolomite (Kasompi mine, Zaire); as a secondary alteration product of arsenic-deficient nickel skutterudite (Germany)

Help on IMA Status: IMA Status:

Valid Species (Pre-IMA) 1945

Help on Locality: Locality:

Kasompi mine, Katanga (Shaba), Congo (Zaire). Link to MinDat.org Location Data.

Help on Name Origin: Name Origin:

Named for Johannes Vaes, mineralogist for the Union Miniere du Haut Katanga.

Help on Name Pronunciation: Name Pronunciation:

Vaesite Say VAESITE

Help on Synonym: Synonym:

ICSD 79671

PDF Nov-99

Vaesite Image

Click Here for Larger Vaesite Image in a New Browser Window Images:

Vaesite Crystallography

Help on Cell Dimensions: Cell Dimensions:

a = 5.6793, Z = 4; V = 183.18 Den(Calc)= 4.45

Help on Crystal System: Crystal System:

Isometric - DiploidalH-M Symbol (2/m 3) Space Group: P a3

Help on X Ray Diffraction: X Ray Diffraction:

By Intensity(I/Io): 2.83(1), 1.71(0.8), 1.09(0.6),

Click Here for Large Vaesite Structure Window Crystal Structure:

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Help on Above

| | Nowack E , Schwarzenbach D , Hahn T , Acta Crystallographica, Section B , 47 (1991) p.650-659, Charge densities in CoS2 and NiS2 (pyrite structure), Note: multipole model, T = 135 K, Locality: synthetic View Additional jPOWD Structure files for Vaesite [1] [2] | | ------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- |

Physical Properties of Vaesite

Help on Cleavage: Cleavage:

{001} Perfect

Help on Color: Color:

Black, Steel gray, Tin white.

Help on Density: Density:

4.45

Help on Diaphaneity: Diaphaneity:

Opaque

Help on Habit: Habit:

Disseminated - Occurs in small, distinct particles dispersed in matrix.

Help on Habit: Habit:

Massive - Uniformly indistinguishable crystals forming large masses.

Help on Hardness: Hardness:

4.5-5.5 - Near Apatite

Help on Luster: Luster:

Metallic

Optical Properties of Vaesite

Help on RL Color: RL Color:

Gray, pale violet.

Help on RL Pleochroism: RL Pleochroism:

None.

Help on Reflectivity Reflectivity

Standardized Intensity (100%) Reflection Spectra of Vaesite in Air

λ R ∑ R(λ)
400 nm 35.00
420 nm 34.30
440 nm 33.60
460 nm 33.00
480 nm 32.50
500 nm 32.00
520 nm 31.80
540 nm 31.60
560 nm 31.50
580 nm 31.50
600 nm 31.60
620 nm 31.80
640 nm 32.00
660 nm 32.40
680 nm 33.00
700 nm 33.60

Calculated Relative Intensity Colors of Vaesite in Air

RelativeIntensity 0% 30% 60% 90% 100% 120% 150% 180% 210% 240% 270% 280%
R

Calculated Properties of Vaesite

Help on Electron Density: Electron Density:

Bulk Density (Electron Density)=4.35 gm/cc
note: Specific Gravity of Vaesite =4.45 gm/cc.

Help on Fermion Index: Fermion Index:

Fermion Index = 0.0093158148
Boson Index = 0.9906841852

Help on Photoelectric: Photoelectric:

PEVaesite = 21.79 barns/electron
U=PEVaesite x rElectron Density= 94.75 barns/cc.

Help on Radioactivity: Radioactivity:

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

Vaesite Classification

Help on Dana Class: Dana Class:

02.12.01.02 (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)

02.12.01.01 Pyrite FeS2 P a3 2/m 3

02.12.01.02 Vaesite NiS2 P a3 2/m 3

02.12.01.03 Cattierite CoS2 P a3 2/m 3

02.12.01.04 Penroseite (Ni,Co,Cu)Se2 P a3 2/m 3

02.12.01.05 Trogtalite CoSe2 P a3 2/m 3

02.12.01.06 Villamaninite (Cu,Ni,Co,Fe)S2 P a3 2/m 3

02.12.01.07 Fukuchilite Cu3FeS8 P a3 2/m 3

02.12.01.08 Krutaite CuSe2 P a3 2/m 3

02.12.01.09 Hauerite MnS2 P a3 2/m 3

02.12.01.10 Laurite RuS2 P a3 2/m 3

02.12.01.11 Aurostibite AuSb2 P a3 2/m 3

02.12.01.12 Krutovite NiAs2 P a3 2/m 3

02.12.01.13 Sperrylite PtAs2 P a3 2/m 3

02.12.01.14 Geversite Pt(Sb,Bi)2 P a3 2/m 3

02.12.01.15 Insizwaite Pt(Bi,Sb)2 P a3 2/m 3

02.12.01.16 Erlichmanite OsS2 P a3 2/m 3

02.12.01.17 Dzharkenite FeSe2 P a3 2/m 3

02.12.01.18 Gaotaiite Ir3Te8 P a3 2/m 3

02.12.01.19 Mayingite IrBiTe P a3 2/m 3

Help on Strunz Class: Strunz Class:

02.EB.05a 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.05a Aurostibite AuSb2 P a3 2/m 3

02.EB.05a Cattierite CoS2 P a3 2/m 3

02.EB.05a Hauerite MnS2 P a3 2/m 3

02.EB.05a Fukuchilite Cu3FeS8 P a3 2/m 3

02.EB.05a Dzharkenite FeSe2 P a3 2/m 3

02.EB.05a Erlichmanite OsS2 P a3 2/m 3

02.EB.05a Geversite Pt(Sb,Bi)2 P a3 2/m 3

02.EB.05a Gaotaiite Ir3Te8 P a3 2/m 3

02.EB.05a Insizwaite Pt(Bi,Sb)2 P a3 2/m 3

02.EB.05a Laurite RuS2 P a3 2/m 3

02.EB.05a Krutaite CuSe2 P a3 2/m 3

02.EB.05a Pyrite FeS2 P a3 2/m 3

02.EB.05a Penroseite (Ni,Co,Cu)Se2 P a3 2/m 3

02.EB.05a Sperrylite PtAs2 P a3 2/m 3

02.EB.05a Vaesite NiS2 P a3 2/m 3

02.EB.05a Villamaninite (Cu,Ni,Co,Fe)S2 P a3 2/m 3

02.EB.05a Trogtalite CoSe2 P a3 2/m 3

Other Vaesite 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 Vaesite :
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 Vaesite Specimen Label here :

Vaesite

NiS2
Dana No: 02.12.01.02 Strunz No: 02.EB.05a
Locality:

Notes: