Mineralogy Database

Erlichmanite Mineral Data

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General Erlichmanite Information

Help on Chemical  Formula: Chemical Formula: OsS2
Help on Composition: Composition: Molecular Weight = 254.33 gm
   Osmium  74.78 %  Os
   Sulfur  25.22 %  S
          ______ 
          100.00 % 
Help on Empirical Formula: Empirical Formula: OsS2
Help on Environment: Environment: Found in noble metal placers.
Help on IMA Status: IMA Status: Approved IMA 1971
Help on Locality: Locality: MacIntosh mine, Willow Creek, Humbolt Co. California. Link to MinDat.org Location Data.
Help on Name Origin: Name Origin: For Joseph Erlichman, electron probe analyst, who analyzed a number of new minerals.
Help on Name Pronunciation: Name Pronunciation: Erlichmanite + Pronunciation Say ERLICHMANITE
Help on Synonym: Synonym: ICSD 300224
  PDF 19-882
 

Erlichmanite Image

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  Erlichmanite

Comments: Large gray fractured grain of erlichmanite. Polished section in reflected light.
Location: Konder Mine, Konder alkaline-ultrabasic massif, Aldan shield, Saha (Sakha) Republic (Yakutia), Eastern-Siberian Region, Russia. Scale: Picture size 0.25 mm.
© Thomas Witzke / Abraxas-Verlag

Erlichmanite Crystallography

Help on Cell Dimensions: Cell Dimensions: a = 5.6196, Z = 4; V = 177.47 Den(Calc)= 9.52
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): 3.24(1), 1.694(0.85), 2.81(0.85),
 

Physical Properties of Erlichmanite

Help on Color: Color: Gray white.
Help on Density: Density: 9.59
Help on Diaphaneity: Diaphaneity: Opaque
Help on Hardness: Hardness: 4.5-5.5 - Near Apatite
Help on Luster: Luster: Metallic
 

Optical Properties of Erlichmanite

Help on Reflectivity Reflectivity
Standardized Intensity (100%) Reflection Spectra of Erlichmanite in Air
λ R  ∑ R(λ) 
 400 nm   43.70   
 420 nm   43.70 
 440 nm   43.70 
 460 nm   43.70 
 480 nm   43.60 
 500 nm   43.40 
 520 nm   43.20 
 540 nm   42.90 
 560 nm   42.70 
 580 nm   42.40 
 600 nm   42.10 
 620 nm   41.70 
 640 nm   41.20 
 660 nm   40.80 
 680 nm   40.30 
 700 nm   39.90 
Calculated Relative Intensity Colors of Erlichmanite in Air
Relative
Intensity
   0%   30%   60%   90% 100% 120% 150% 180% 210%
R                  
 

Calculated Properties of Erlichmanite

Help on Electron Density: Electron Density: Bulk Density (Electron Density)=8.09 gm/cc
note: Specific Gravity of Erlichmanite =9.52 gm/cc.
Help on Fermion Index: Fermion Index: Fermion Index = 0.13
Boson Index = 0.87
Help on Photoelectric: Photoelectric: PEErlichmanite =1,039.75 barns/electron
U=PEErlichmanite x rElectron Density=8,406.55 barns/cc.
Help on Radioactivity: Radioactivity: GRapi = 0 (Gamma Ray American Petroleum Institute Units)
Erlichmanite is Not Radioactive
 

Erlichmanite Classification

Help on  Dana Class: Dana Class: 02.12.01.16 (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 Erlichmanite 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 Erlichmanite :
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 Erlichmanite Specimen Label here :

Erlichmanite

OsS2
Dana No: 02.12.01.16 Strunz No: 02.EB.05a
Locality:

 

Notes:

 

 
   
 


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