|
![Mineralogy Database Mineralogy Database](/images/Hedyphane_Crystal.gif) |
Vaesite Mineral Data
|
|
|
General Vaesite Information
|
Chemical Formula: |
NiS2 |
Composition: |
Molecular Weight = 122.82 gm |
|
Nickel 47.78 % Ni |
|
Sulfur 52.22 % S |
|
______ |
|
100.00 % |
Empirical Formula: |
NiS2 |
Environment: |
Disseminated through dolomite (Kasompi mine, Zaire); as a secondary alteration product of arsenic-deficient nickel skutterudite (Germany) |
IMA Status: |
Valid Species (Pre-IMA) 1945 |
Locality: |
Kasompi mine, Katanga (Shaba), Congo (Zaire). Link to MinDat.org Location Data. |
Name Origin: |
Named for Johannes Vaes, mineralogist for the Union Miniere du Haut Katanga. |
Name Pronunciation: |
Vaesite |
Synonym: |
ICSD 79671 |
|
PDF Nov-99 |
|
Vaesite Image |
Images:
|
|
Vaesite Crystallography
|
Cell Dimensions: |
a = 5.6793, Z = 4; V = 183.18 Den(Calc)= 4.45 |
Crystal System: |
Isometric - Diploidal H-M Symbol (2/m 3) Space Group: P a3 |
X Ray Diffraction: |
By Intensity(I/Io): 2.83(1), 1.71(0.8), 1.09(0.6), |
|
Physical Properties of Vaesite
|
Cleavage: |
{001} Perfect |
Color: |
Black, Steel gray, Tin white. |
Density: |
4.45 |
Diaphaneity: |
Opaque |
Habit: |
Disseminated - Occurs in small, distinct particles dispersed in matrix. |
Habit: |
Massive - Uniformly indistinguishable crystals forming large masses. |
Hardness: |
4.5-5.5 - Near Apatite |
Luster: |
Metallic |
|
Optical Properties of Vaesite
|
RL Color: |
Gray, pale violet. |
RL Pleochroism: |
None. |
Reflectivity |
Standardized Intensity (100%) Reflection Spectra of Vaesite in Air
λ |
R |
![](../images/Reflect_scale_v.gif) |
∑ R(λ) |
400 nm |
35.00 |
![](../images/400nm.BMP) |
|
420 nm |
34.30 |
![](../images/420nm.BMP) |
440 nm |
33.60 |
![](../images/440nm.BMP) |
460 nm |
33.00 |
![](../images/460nm.BMP) |
480 nm |
32.50 |
![](../images/480nm.BMP) |
500 nm |
32.00 |
![](../images/500nm.BMP) |
520 nm |
31.80 |
![](../images/520nm.BMP) |
540 nm |
31.60 |
![](../images/540nm.BMP) |
560 nm |
31.50 |
![](../images/560nm.BMP) |
580 nm |
31.50 |
![](../images/580nm.BMP) |
600 nm |
31.60 |
![](../images/600nm.BMP) |
620 nm |
31.80 |
![](../images/620nm.BMP) |
640 nm |
32.00 |
![](../images/640nm.BMP) |
660 nm |
32.40 |
![](../images/660nm.BMP) |
680 nm |
33.00 |
![](../images/680nm.BMP) |
700 nm |
33.60 |
![](../images/700nm.BMP) |
Calculated Relative Intensity Colors of Vaesite in Air
Relative Intensity |
0% |
30% |
60% |
90% |
100% |
120% |
150% |
180% |
210% |
240% |
270% |
280% |
R |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
Calculated Properties of Vaesite
|
Electron Density: |
Bulk Density (Electron Density)=4.35 gm/cc note: Specific Gravity of Vaesite =4.45 gm/cc. |
Fermion Index: |
Fermion Index = 0.0093158148 Boson Index = 0.9906841852 |
Photoelectric: |
PEVaesite = 21.79 barns/electron U=PEVaesite x rElectron Density= 94.75 barns/cc. |
Radioactivity: |
GRapi = 0 (Gamma Ray American Petroleum Institute Units) Vaesite is Not Radioactive |
|
Vaesite Classification
|
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 |
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
|
References: |
NAME( AntBidBlaNic1) PHYS. PROP.(Enc. of Minerals,2nd ed.,1990) OPTIC PROP.(AntBidBlaNic1) |
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
Search for Vaesite using:
[AOL]
[Bing]
[Dog Pile]
[GeoScienceWorld]
[HotBot]
[Ixquick]
[Lycos]
[MAMMA]
[Scirus]
[Teoma]
[WebCrawler]
[Wikipedia]
[YAHOO]
Visit our Advertisers for Vaesite :
Ask about Vaesite 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 Vaesite Specimen Label here :
Vaesite
NiS2
Dana No: 02.12.01.02 Strunz No: 02.EB.05a
Locality:
Notes:
|
|
|
|
|
|
Dakota Matrix
Excalibur Minerals
Exceptional Minerals
Hudson Insitute
John Betts Fine Minerals
Mc Dougall Minerals
Mineral News
Rock and Mineral Shows
Weinrich Minerals, Inc.