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Hemusite Mineral Data
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General Hemusite Information
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 Chemical Formula: |
Cu6SnMoS8 |
| Composition: |
Molecular Weight = 852.45 gm |
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Copper 44.73 % Cu |
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Tin 13.93 % Sn |
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Molybdenum 11.25 % Mo |
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Sulfur 30.09 % S |
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______ |
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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  |
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Hemusite Image |
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Images:
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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 |
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Hemusite Crystallography
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| Cell Dimensions: |
a = 10.82, Z = 4; V = 1,266.72 Den(Calc)= 4.47 |
| Crystal System: |
Isometric Space Group: Unk |
| X Ray Diffraction: |
By Intensity(I/Io): 3.11(1), 1.919(0.5), 1.858(0.3), |
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Physical Properties of Hemusite
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| Color: |
Gray. |
| Density: |
4.47 |
| Diaphaneity: |
Opaque |
| Habit: |
Microscopic Crystals - Crystals visible only with microscopes. |
| Hardness: |
4 - Fluorite |
| Luster: |
Metallic |
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Optical Properties of Hemusite
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| RL Color: |
Violet-gray to ash gray. |
| Reflectivity |
Standardized Intensity (100%) Reflection Spectra of Hemusite in Air
| λ |
R |
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∑ R(λ) |
| 469 nm |
23.40 |
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| 518 nm |
24.90 |
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| 589 nm |
24.20 |
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| 668 nm |
23.40 |
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Calculated Relative Intensity Colors of Hemusite in Air
Relative
Intensity |
0% |
40% |
80% |
100% |
120% |
160% |
200% |
240% |
280% |
320% |
360% |
380% |
| R |
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Calculated Properties of Hemusite
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| Electron Density: |
Bulk Density (Electron Density)=4.13 gm/cc
note: Specific Gravity of Hemusite =4.47 gm/cc.
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| Fermion Index: |
Fermion Index = 0.05
Boson Index = 0.95 |
| Photoelectric: |
PEHemusite = 82.12 barns/electron
U=PEHemusite x rElectron Density= 339.34 barns/cc.
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| Radioactivity: |
GRapi = 0 (Gamma Ray American Petroleum Institute Units)
Hemusite is Not Radioactive |
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Hemusite Classification
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| Dana Class: |
02.09.06.01 (02)Sulfides - Including Selenides and Tellurides |
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(02.09)where Am Bn Xp, with (m+n):p=1:1 |
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(02.09.06)Dana Group |
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02.09.06.01 Hemusite Cu6SnMoS8 Unk Cubic |
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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 |
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02.C - Metal Sulfides, M:S = 1:1 (and similar) |
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02.CB -With Zn, Fe, Cu, Ag, Au, etc |
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02.CB.35a Hemusite Cu6SnMoS8 Unk Cubic |
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02.CB.35a Kiddcreekite Cu6SnWS8 Unk Cubic |
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02.CB.35a Renierite (Cu,Zn)11(Ge,As)2Fe4S16 P 42c- 4 2m |
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02.CB.35a Polkovicite (Fe,Pb)3(Ge,Fe)1-xS4 F d3m 4/m 3 2/m |
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02.CB.35a Morozeviczite (Pb,Fe)3Ge1-xS4 F d3m 4/m 3 2/m |
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02.CB.35a Catamarcaite! Cu6GeWS8 P 63mc 6/m 2/m 2/m |
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02.CB.35a Vinciennite Cu10Fe4Sn(As,Sb)S16 P 4122 4 2 2 |
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Other Hemusite Information
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| 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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Hemusite
Cu6SnMoS8
Dana No: 02.09.06.01 Strunz No: 02.CB.35a
Locality:
Notes:
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