Mineralogy Database

Siegenite Mineral Data

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General Siegenite Information

Help on Chemical  Formula: Chemical Formula: (Ni,Co)3S4
Help on Composition: Composition: Molecular Weight = 304.52 gm
   Cobalt  14.51 %  Co
   Nickel  43.36 %  Ni
   Sulfur  42.12 %  S
          ______ 
          100.00 % 
Help on Empirical Formula: Empirical Formula: Ni2.25Co0.75S4
Help on Environment: Environment: In hydrothermal veins with other Cu-Ni-Fe sulfides.
Help on IMA Status: IMA Status: Valid Species (Pre-IMA) 1850
Help on Locality: Locality: Grube Jungfer, M�sen, Siegen district, Nordrhein-Westfalen, Germany. Link to MinDat.org Location Data.
Help on Name Origin: Name Origin: Named after its ore-bearing locality, Siegen, Germany.
Help on Name Pronunciation: Name Pronunciation: Siegenite + Pronunciation Say SIEGENITE
Help on Synonym: Synonym: ICSD 23773
  PDF 24-334
 

Siegenite Image

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  Siegenite

Comments: Equant, dark gray, metallic crystals of siegenite on matrix.
Location: LaMotte mine, Fredericktown, Madison County, Missouri, USA. Scale: Not Given.
© Lou Perloff / Photo Atlas of Minerals

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  Cattierite   Siegenite

Comments: Pinkish metallic cattierite, intergrown with gray siegenite.
Location: Shinkolobwe, Katanga, Shaba, Zaire. Scale: See Photo.
© Jeff Weissman / Photographic Guide to Mineral Species

Siegenite Crystallography

Help on Cell Dimensions: Cell Dimensions: a = 9.41, Z = 8; V = 833.24 Den(Calc)= 4.85
Help on Crystal System: Crystal System: Isometric - Hexoctahedral H-M Symbol (4/m 3 2/m) Space Group: F d3m
Help on X Ray Diffraction: X Ray Diffraction: By Intensity(I/Io): 2.86(1), 1.67(0.8), 2.36(0.7),
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Forms: ( 1 1 0) ( 1 1 1)

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Physical Properties of Siegenite

Help on Cleavage: Cleavage: {100} Imperfect, {010} Imperfect, {001} Imperfect
Help on Color: Color: Violet gray, Copper red, Light gray, Steel gray.
Help on Density: Density: 4.5 - 4.8, Average = 4.65
Help on Diaphaneity: Diaphaneity: Opaque
Help on Fracture: Fracture: Uneven - Flat surfaces (not cleavage) fractured in an uneven pattern.
Help on Habit: Habit: Massive - Granular - Common texture observed in granite and other igneous rock.
Help on Hardness: Hardness: 5-5.5 - Apatite-Knife Blade
Help on Luster: Luster: Metallic
Help on Streak: Streak: grayish black
 

Optical Properties of Siegenite

Help on Reflectivity Reflectivity
Standardized Intensity (100%) Reflection Spectra of Siegenite in Air
λ R  ∑ R(λ) 
 400 nm   44.30   
 420 nm   44.50 
 440 nm   44.70 
 460 nm   45.00 
 480 nm   45.20 
 500 nm   45.50 
 520 nm   45.80 
 540 nm   46.20 
 560 nm   46.80 
 580 nm   47.50 
 600 nm   48.20 
 620 nm   49.10 
 640 nm   50.00 
 660 nm   51.00 
 680 nm   52.10 
 700 nm   53.10 
Calculated Relative Intensity Colors of Siegenite in Air
Relative
Intensity
   0%   30%   60%   90% 100% 120% 150% 180% 200%
R                  
 

Calculated Properties of Siegenite

Help on Electron Density: Electron Density: Bulk Density (Electron Density)=4.69 gm/cc
note: Specific Gravity of Siegenite =4.85 gm/cc.
Help on Fermion Index: Fermion Index: Fermion Index = 0.0080592482
Boson Index = 0.9919407518
Help on Photoelectric: Photoelectric: PESiegenite = 24.58 barns/electron
U=PESiegenite x rElectron Density= 115.27 barns/cc.
Help on Radioactivity: Radioactivity: GRapi = 0 (Gamma Ray American Petroleum Institute Units)
Siegenite is Not Radioactive
 

Siegenite Classification

Help on  Dana Class: Dana Class: 02.10.01.06 (02)Sulfides - Including Selenides and Tellurides
  (02.10)where Am Bn Xp, with (m+n):p=3:4
  (02.10.01)Linnaeite Group (Isometric: Fd3m)
 
02.10.01.01 Linnaeite CoCo2S4 F d3m 4/m 3 2/m
 
02.10.01.02 Carrollite Cu(Co,Ni)2S4 F d3m 4/m 3 2/m
 
02.10.01.03 Fletcherite Cu(Ni,Co)2S4 F d3m 4/m 3 2/m
 
02.10.01.04 Tyrrellite (Cu,Co,Ni)3Se4 F d3m 4/m 3 2/m
 
02.10.01.05 Bornhardtite CoCo2Se4 F d3m 4/m 3 2/m
 
02.10.01.06 Siegenite (Ni,Co)3S4 F d3m 4/m 3 2/m
 
02.10.01.07 Polydymite NiNi2S4 F d3m 4/m 3 2/m
 
02.10.01.08 Violarite FeNi2S4 F d3m 4/m 3 2/m
 
02.10.01.09 Trustedtite Ni3Se4 F d3m 4/m 3 2/m
 
02.10.01.10 Greigite FeFe2S4 F d3m 4/m 3 2/m
 
02.10.01.11 Daubreelite FeCr2S4 F d3m 4/m 3 2/m
 
02.10.01.12 Indite FeIn2S4 F d3m 4/m 3 2/m
 
02.10.01.13 Kalininite ZnCr2S4 F d3m 4/m 3 2/m
 
02.10.01.14 Florensovite Cu(Cr1.5Sb0.5)S4 F d3m 4/m 3 2/m
 
02.10.01.15 Cuproiridsite CuIr2S4 F d3m 4/m 3 2/m
 
02.10.01.16 Cuprorhodsite CuRh2S4 F d3m 4/m 3 2/m
 
02.10.01.17 Malanite Cu(Pt,Ir)2S4 F d3m 4/m 3 2/m
 
02.10.01.18 Ferrorhodsite (Fe,Cu)(Rh,Ir,Pt)2S4 F d3m 4/m 3 2/m
 
02.10.01.19 Cadmoindite! CdIn2S4 F d3m 4/m 3 2/m
Help on  Strunz Class: Strunz Class: 02.DA.05 02 - SULFIDES and SULFOSALTS (sulfides, selenides, tellurides; arsenides, antimonides, bismuthides; sulfarsenites, sulf
  02.D - Metal Sulfides, M:S = 3:4 and 2:3
  02.DA -M:S = 3:4
 
02.DA.05 Bornhardtite CoCo2Se4 F d3m 4/m 3 2/m
 
02.DA.05 Florensovite Cu(Cr1.5Sb0.5)S4 F d3m 4/m 3 2/m
 
02.DA.05 Carrollite Cu(Co,Ni)2S4 F d3m 4/m 3 2/m
 
02.DA.05 Fletcherite Cu(Ni,Co)2S4 F d3m 4/m 3 2/m
 
02.DA.05 Cuproiridsite CuIr2S4 F d3m 4/m 3 2/m
 
02.DA.05 Cuprorhodsite CuRh2S4 F d3m 4/m 3 2/m
 
02.DA.05 Dayingite* CuCoPtS4 F m3m 4/m 3 2/m
 
02.DA.05 Daubreelite FeCr2S4 F d3m 4/m 3 2/m
 
02.DA.05 Ferrorhodsite (Fe,Cu)(Rh,Ir,Pt)2S4 F d3m 4/m 3 2/m
 
02.DA.05 Greigite FeFe2S4 F d3m 4/m 3 2/m
 
02.DA.05 Indite FeIn2S4 F d3m 4/m 3 2/m
 
02.DA.05 Linnaeite CoCo2S4 F d3m 4/m 3 2/m
 
02.DA.05 Kalininite ZnCr2S4 F d3m 4/m 3 2/m
 
02.DA.05 Malanite Cu(Pt,Ir)2S4 F d3m 4/m 3 2/m
 
02.DA.05 Polydymite NiNi2S4 F d3m 4/m 3 2/m
 
02.DA.05 Violarite FeNi2S4 F d3m 4/m 3 2/m
 
02.DA.05 Tyrrellite (Cu,Co,Ni)3Se4 F d3m 4/m 3 2/m
 
02.DA.05 Siegenite (Ni,Co)3S4 F d3m 4/m 3 2/m
 
02.DA.05 Xingzhongite (Pb,Cu,Fe)(Ir,Pt,Rh)2S4 F d3m 4/m 3 2/m
 
02.DA.05 Trustedtite Ni3Se4 F d3m 4/m 3 2/m
 
02.DA.05 Cadmoindite! CdIn2S4 F d3m 4/m 3 2/m
 

Other Siegenite Information

Help on References: References: NAME( Duda&Rejl90) PHYS. PROP.(Enc. of Minerals,2nd ed.,1990) OPTIC PROP.(AntBidBlaNic1)
Help on See Also: See Also: Links to other databases for Siegenite :
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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Print or Cut-and-Paste your Siegenite Specimen Label here :

Siegenite

(Ni,Co)3S4
Dana No: 02.10.01.06 Strunz No: 02.DA.05
Locality:

 

Notes:

 

 
   
 


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