Mineralogy Database

Hemusite Mineral Data

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General Hemusite Information

Help on Chemical  Formula: Chemical Formula: Cu6SnMoS8
Help on Composition: Composition: Molecular Weight = 852.45 gm
   Copper      44.73 %  Cu
   Tin         13.93 %  Sn
   Molybdenum  11.25 %  Mo
   Sulfur      30.09 %  S
              100.00 % 
Help on Empirical Formula: Empirical Formula: Cu6SnMoS8
Help on Environment: Environment: Of hydrothermal origin.
Help on IMA Status: IMA Status: Approved IMA 1969
Help on Locality: Locality: Chelopech, Bulgaria. Link to MinDat.org Location Data.
Help on Name Origin: Name Origin: Named after an ancient name for the Balkan Mountains.
Help on Name Pronunciation: Name Pronunciation: Hemusite Say HEMUSITE

Hemusite Image

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Comments: B&W polished section image (plane polarized light) of aggregated and isolated grains of hemusite (gray, white) in quartz (black).
Location: Ohsawa No. 4 vein, Kawazu mine, Shizuoka Prefecture, Japan (Mineralogical Journal v14, no3, p92). Scale: Scale Bar 0.1 mm.
© Mineralogical Journal

Hemusite Crystallography

Help on Cell Dimensions: Cell Dimensions: a = 10.82, Z = 4; V = 1,266.72 Den(Calc)= 4.47
Help on Crystal System: Crystal System: Isometric Space Group: Unk
Help on X Ray Diffraction: X Ray Diffraction: By Intensity(I/Io): 3.11(1), 1.919(0.5), 1.858(0.3),

Physical Properties of Hemusite

Help on Color: Color: Gray.
Help on Density: Density: 4.47
Help on Diaphaneity: Diaphaneity: Opaque
Help on Habit: Habit: Microscopic Crystals - Crystals visible only with microscopes.
Help on Hardness: Hardness: 4 - Fluorite
Help on Luster: Luster: Metallic

Optical Properties of Hemusite

Help on RL Color: RL Color: Violet-gray to ash gray.
Help on Reflectivity Reflectivity
Standardized Intensity (100%) Reflection Spectra of Hemusite in Air
λ R  ∑ R(λ) 
 469 nm   23.40   
 518 nm   24.90 
 589 nm   24.20 
 668 nm   23.40 
Calculated Relative Intensity Colors of Hemusite in Air
   0%   40%   80% 100% 120% 160% 200% 240% 280% 320% 360% 380%

Calculated Properties of Hemusite

Help on Electron Density: Electron Density: Bulk Density (Electron Density)=4.13 gm/cc
note: Specific Gravity of Hemusite =4.47 gm/cc.
Help on Fermion Index: Fermion Index: Fermion Index = 0.05
Boson Index = 0.95
Help on Photoelectric: Photoelectric: PEHemusite = 82.12 barns/electron
U=PEHemusite x rElectron Density= 339.34 barns/cc.
Help on Radioactivity: Radioactivity: GRapi = 0 (Gamma Ray American Petroleum Institute Units)
Hemusite is Not Radioactive

Hemusite Classification

Help on  Dana Class: Dana Class: (02)Sulfides - Including Selenides and Tellurides
  (02.09)where Am Bn Xp, with (m+n):p=1:1
  (02.09.06)Dana Group Hemusite Cu6SnMoS8 Unk Cubic Kiddcreekite Cu6SnWS8 Unk Cubic
Help on  Strunz Class: Strunz Class: 02.CB.35a 02 - SULFIDES and SULFOSALTS (sulfides, selenides, tellurides; arsenides, antimonides, bismuthides; sulfarsenites, sulf
  02.C - Metal Sulfides, M:S = 1:1 (and similar)
  02.CB -With Zn, Fe, Cu, Ag, Au, etc
02.CB.35a Hemusite Cu6SnMoS8 Unk Cubic
02.CB.35a Kiddcreekite Cu6SnWS8 Unk Cubic
02.CB.35a Renierite (Cu,Zn)11(Ge,As)2Fe4S16 P 42c- 4 2m
02.CB.35a Polkovicite (Fe,Pb)3(Ge,Fe)1-xS4 F d3m 4/m 3 2/m
02.CB.35a Morozeviczite (Pb,Fe)3Ge1-xS4 F d3m 4/m 3 2/m
02.CB.35a Catamarcaite! Cu6GeWS8 P 63mc 6/m 2/m 2/m
02.CB.35a Vinciennite Cu10Fe4Sn(As,Sb)S16 P 4122 4 2 2

Other Hemusite Information

Help on References: References: NAME( Dana8) PHYS. PROP.(Enc. of Minerals,2nd ed.,1990) OPTIC PROP.(AntBidBlaNic1)
Help on See Also: See Also: Links to other databases for Hemusite :
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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Dana No: Strunz No: 02.CB.35a





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