Hemusite Mineral Data

General Hemusite Information

Chemical Formula:

Cu6SnMoS8

Composition:

Molecular Weight = 852.45 gm

Copper 44.73 % Cu

Tin 13.93 % Sn

Molybdenum 11.25 % Mo

Sulfur 30.09 % S

______

100.00 %

Empirical Formula:

Cu₆SnMoS₈

Environment:

Of hydrothermal origin.

IMA Status:

Approved IMA 1969

Locality:

Chelopech, Bulgaria. Link to MinDat.org Location Data.

Name Origin:

Named after an ancient name for the Balkan Mountains.

Name Pronunciation:

Hemusite

Hemusite Image

Images:

Hemusite

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

Cell Dimensions:

a = 10.82, Z = 4; V = 1,266.72 Den(Calc)= 4.47

Crystal System:

IsometricSpace Group: Unk

$Help on X Ray Diffraction:$ X Ray Diffraction:

By Intensity(I/I_o): 3.11(1), 1.919(0.5), 1.858(0.3),

Physical Properties of Hemusite

Color:

Gray.

Density:

4.47

Diaphaneity:

Opaque

Habit:

Microscopic Crystals - Crystals visible only with microscopes.

Hardness:

4 - Fluorite

Luster:

Metallic

Optical Properties of Hemusite

RL Color:

Violet-gray to ash gray.

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**
Relative Intensity	0%	40%	80%	100%	120%	160%	200%	240%	280%	320%	360%	380%
R

Calculated Properties of Hemusite

Electron Density:

Bulk Density (Electron Density)=4.13 gm/cc
note: Specific Gravity of Hemusite =4.47 gm/cc.

Fermion Index:

Fermion Index = 0.05
Boson Index = 0.95

Photoelectric:

PE_Hemusite= 82.12 barns/electron
U=PE_Hemusite x rElectron Density= 339.34 barns/cc.

Radioactivity:

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

Hemusite Classification

Dana Class:

02.09.06.01 (02)Sulfides - Including Selenides and Tellurides

(02.09)where Am Bn Xp, with (m+n):p=1:1

(02.09.06)Dana Group

02.09.06.01 Hemusite Cu6SnMoS8 Unk Cubic

02.09.06.02 Kiddcreekite Cu6SnWS8 Unk Cubic

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

References:

NAME( Dana8) PHYS. PROP.(Enc. of Minerals,2nd ed.,1990) OPTIC PROP.(AntBidBlaNic1)

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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Print or Cut-and-Paste your Hemusite Specimen Label here :

Hemusite

Cu6SnMoS8
Dana No: 02.09.06.01 Strunz No: 02.CB.35a
Locality:

Notes: