Skinnerite Mineral Data

Skinnerite Mineral Data
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General Skinnerite Information

Help on Chemical Formula: Chemical Formula: Cu3SbS3
Help on Composition: Composition: Molecular Weight = 408.59 gm
   Copper    46.66 %  Cu
   Antimony  29.80 %  Sb
   Sulfur    23.54 %  S
            ______ 
            100.00 % 
Help on Empirical Formula: Empirical Formula: Cu3SbS3
Help on Environment: Environment: Found in a complex of analcime-natrolite veins cutting naujaites.
Help on IMA Status: IMA Status: Approved IMA 1974
Help on Locality: Locality: Ilímaussaq intrusive, Kvanefeld, southern Greenland. Link to MinDat.org Location Data.
Help on Name Origin: Name Origin: Named for Brian J. Skinnner, Yale University, New Haven, Connecticut, USA.
Help on Name Pronunciation: Name Pronunciation: Skinnerite + Pronunciation Say SKINNERITE
Help on Synonym: Synonym: ICSD 74901
  PDF 26-1110
 

Skinnerite Image

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Skinnerite

Comments: Dark gray skinnerite on matrix.
Location: Bankove, Kosice, Vychodoslovensky, Slovakia. Scale: See Photo.
© Jeff Weissman / Photographic Guide to Mineral Species

Skinnerite Crystallography
Help on Axial Ratios: Axial Ratios: a:b:c =0.7619:1:1.2946
Help on Cell Dimensions: Cell Dimensions: a = 7.81, b = 10.25, c = 13.27, Z = 8; beta = 90.35° V = 1,062.28 Den(Calc)= 5.11
Help on Crystal System: Crystal System: Monoclinic - PrismaticH-M Symbol (2/m) Space Group: P 21/c
Help on X Ray Diffraction: X Ray Diffraction: By Intensity(I/Io): 2.831(1), 3.048(0.7), 3.91(0.6),
Click Here for Large Skinnerite Structure Window Crystal Structure:

Mouse
drag1 - LMB Manipulate Structure
drag2 - RMB Resize/Rotate
Keyboard
S - Stereo Pair on/off
H - Help Screen
I - Data Info
A - Atoms On/Off
P - Polyhedra On/Off
B - Bonds On/Off
 Help on Above


Makovicky E , Balic-Zunic T , The Canadian Mineralogist , 33 (1995) p.655-663

 

Physical Properties of Skinnerite

Help on Color: Color: Silver gray.
Help on Density: Density: 5.07
Help on Diaphaneity: Diaphaneity: Opaque
Help on Habit: Habit: Irregular Grains - Occurs as splotchy, anhedral crystals forming inclusions in other minerals or rocks.
Help on Hardness: Hardness: 3.5-4 - Copper Penny-Fluorite
Help on Luster: Luster: Metallic
Help on Streak: Streak: reddish black
 

Optical Properties of Skinnerite

Help on RL Anisotrophism: RL Anisotrophism: Distinct in air, strong in oil, from pale purple to grayish yellow.
Help on RL Color: RL Color: Light bluish gray with deep red interanl reflections.
Help on RL Pleochroism: RL Pleochroism: Weak in air, weak to distinct in oil.
 

Calculated Properties of Skinnerite

Help on Electron Density: Electron Density: Bulk Density (Electron Density)=4.65 gm/cc
note: Specific Gravity of Skinnerite =5.11 gm/cc.
Help on Fermion Index: Fermion Index: Fermion Index = 0.0017658094
Boson Index = 0.9982341906
Help on Photoelectric: Photoelectric: PESkinnerite = 119.12 barns/electron
U=PESkinnerite x rElectron Density= 554.19 barns/cc.
Help on Radioactivity: Radioactivity: GRapi = 0 (Gamma Ray American Petroleum Institute Units)
Skinnerite is Not Radioactive
 

Skinnerite Classification
Help on Dana Class: Dana Class: 03.04.08.02 (03)Sulfides - Sulfosalts
  (03.04)where z/y > 3 - (A+)i (A++)j [By Cz], A=metals, B=semi-metals, C=non-metals
  (03.04.08)Dana Group
 
03.04.08.01 Wittichenite Cu3BiS3 P 212121 2 2 2
 
03.04.08.02 Skinnerite Cu3SbS3 P 21/c 2/m
 
03.04.08.03 Moeloite! Pb6Sb6S14(S3) P 21221 2 2 2
Help on Strunz Class: Strunz Class: 02.GA.20 02 - SULFIDES and SULFOSALTS (sulfides, selenides, tellurides; arsenides, antimonides, bismuthides; sulfarsenites, sulf
  02.G - Sulfarsenites, sulfantimonites, sulfbismuthites
  02.GA -Neso-sulfarsenites, etc., without additional S
 
02.GA.20 Skinnerite Cu3SbS3 P 21/c 2/m
 
02.GA.20 Wittichenite Cu3BiS3 P 212121 2 2 2
 

Other Skinnerite 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 Skinnerite :
1 - Am. Min. Crystal Structure Database
2 - Athena
3 - EUROmin Project
4 - Ecole des Mines de Paris
5 - Google Images
6 - Google Scholar
7 - Handbook of Mineralogy (MinSocAm)
8 - Handbook of Mineralogy (UofA)
9 - MinDAT
10 - MinMax(Deutsch)
11 - MinMax(English)
12 - Mineralienatlas (Deutsch)
13 - QUT Mineral Atlas
14 - Ruff.Info
15 - WWW-MINCRYST

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

Skinnerite

Cu3SbS3
Dana No: 03.04.08.02 Strunz No: 02.GA.20
Locality:

 

Notes: