General Skinnerite Information Chemical Formula: |
Cu3SbS3 |
Composition: |
Molecular Weight = 408.59 gm |
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Copper 46.66 % Cu |
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Antimony 29.80 % Sb |
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Sulfur 23.54 % S |
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100.00 % |
Empirical Formula: |
Cu3SbS3 |
Environment: |
Found in a complex of analcime-natrolite veins cutting naujaites. |
IMA Status: |
Approved IMA 1974 |
Locality: |
Ilímaussaq intrusive, Kvanefeld, southern Greenland. Link to MinDat.org Location Data. |
Name Origin: |
Named for Brian J. Skinnner, Yale University, New Haven, Connecticut, USA. |
Name Pronunciation: |
Skinnerite + Pronunciation |
Synonym: |
ICSD 74901 |
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PDF 26-1110 |
| | Skinnerite Image
Images:
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Skinnerite Crystallography Axial Ratios: |
a:b:c =0.7619:1:1.2946 |
Cell Dimensions: |
a = 7.81, b = 10.25, c = 13.27, Z = 8; beta = 90.35° V = 1,062.28 Den(Calc)= 5.11 |
Crystal System: |
Monoclinic - PrismaticH-M Symbol (2/m) Space Group: P 21/c |
X Ray Diffraction: |
By Intensity(I/Io): 2.831(1), 3.048(0.7), 3.91(0.6), |
Crystal Structure:
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Mouse
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| Physical Properties of Skinnerite Color: |
Silver gray. |
Density: |
5.07 |
Diaphaneity: |
Opaque |
Habit: |
Irregular Grains - Occurs as splotchy, anhedral crystals forming inclusions in other minerals or rocks. |
Hardness: |
3.5-4 - Copper Penny-Fluorite |
Luster: |
Metallic |
Streak: |
reddish black |
| Optical Properties of Skinnerite RL Anisotrophism: |
Distinct in air, strong in oil, from pale purple to grayish yellow. |
RL Color: |
Light bluish gray with deep red interanl reflections. |
RL Pleochroism: |
Weak in air, weak to distinct in oil. |
| Calculated Properties of Skinnerite Electron Density: |
Bulk Density (Electron Density)=4.65 gm/cc |
note: Specific Gravity of Skinnerite =5.11 gm/cc. Fermion Index: |
Fermion Index = 0.0017658094 |
Boson Index = 0.9982341906 Photoelectric: |
PESkinnerite = 119.12 barns/electron |
U=PESkinnerite x rElectron Density= 554.19 barns/cc. Radioactivity: |
GRapi = 0 (Gamma Ray American Petroleum Institute Units) |
Skinnerite is Not Radioactive | Skinnerite Classification Dana Class: |
03.04.08.02 (03)Sulfides - Sulfosalts |
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(03.04)where z/y > 3 - (A+)i (A++)j [By Cz], A=metals, B=semi-metals, C=non-metals |
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(03.04.08)Dana Group |
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Strunz Class: |
02.GA.20 02 - SULFIDES and SULFOSALTS (sulfides, selenides, tellurides; arsenides, antimonides, bismuthides; sulfarsenites, sulf |
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02.G - Sulfarsenites, sulfantimonites, sulfbismuthites |
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02.GA -Neso-sulfarsenites, etc., without additional S |
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| Other Skinnerite Information References: |
NAME( AntBidBlaNic1) PHYS. PROP.(Enc. of Minerals,2nd ed.,1990) OPTIC PROP.(AntBidBlaNic1) |
See Also: |
Links to other databases for Skinnerite : |
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 Search for Skinnerite using: Visit our Advertisers for Skinnerite : A Bijoux Google Search for SkinneriteAdam's Minerals Google Search for Skinnerite Cape Minerals Google Search for Skinnerite Dakota Matrix Minerals Google Search for Skinnerite Excalibur Mineral Corp. Google Search for Skinnerite Exceptional Minerals Google Search for Skinnerite John Betts Fine Minerals Search for Skinnerite McDougall Minerals Google Search for Skinnerite Mineral News Website Link Rock and Mineral Shows Google Search for Skinnerite Weinrich Minerals, Inc. Google Search for Skinnerite Ask about Skinnerite here : Print or Cut-and-Paste your Skinnerite Specimen Label here :
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