Sinnerite Mineral Data

Sinnerite Mineral Data
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General Sinnerite Information

Help on Chemical Formula: Chemical Formula: Cu6As4S9
Help on Composition: Composition: Molecular Weight = 969.56 gm
   Copper   39.32 %  Cu
   Arsenic  30.91 %  As
   Sulfur   29.77 %  S
           ______ 
           100.00 % 
Help on Empirical Formula: Empirical Formula: Cu6As4S9
Help on Environment: Environment: On sulfides in crystalline dolomite.
Help on IMA Status: IMA Status: Approved IMA 1964
Help on Locality: Locality: Lengenbach quarry, Binntal, Valais, Switzerland. Link to MinDat.org Location Data.
Help on Name Origin: Name Origin: Named for Rudolph von Sinner (1890-1960), President of the Commission of the Natural History Museum, Bern, Switzerland.
Help on Name Pronunciation: Name Pronunciation: Sinnerite + Pronunciation Say SINNERITE
Help on Synonym: Synonym: ICSD 66660
  PDF 25-264
 

Sinnerite Image

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Sinnerite

Comments: Blackish-grey aggregate of sinnerite crystals with red realgar on white dolomite.
Location: Lengenbach quarry, Binntal, Valais, Switzerland. Scale: Picture high 6 mm.
© Walter Gabriel

Sinnerite Crystallography
Help on Axial Ratios: Axial Ratios: a:b:c =0.9216:1:0.9237
Help on Cell Dimensions: Cell Dimensions: a = 9.06, b = 9.83, c = 9.08, Z = 2; alpha = 90°, beta = 109.5°, gamma = 107.8° V = 725.79 Den(Calc)= 4.44
Help on Crystal System: Crystal System: Triclinic - PedialH-M Symbol (1) Space Group: P1
Help on X Ray Diffraction: X Ray Diffraction: By Intensity(I/Io): 3.024(1), 1.852(0.8), 1.581(0.7),
Click Here for Large Sinnerite Structure Window Crystal Structure:

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Makovicky E , Skinner B J , American Mineralogist , 60 (1975) p.998-1012, Studies of the sulfosalts of copper. IV. Structure and twinning of sinnerite,, Cu6As4S9

 

Physical Properties of Sinnerite

Help on Cleavage: Cleavage: {???} Indistinct
Help on Color: Color: Steel gray.
Help on Density: Density: 5.2
Help on Diaphaneity: Diaphaneity: Opaque
Help on Fracture: Fracture: Uneven - Flat surfaces (not cleavage) fractured in an uneven pattern.
Help on Habit: Habit: Columnar - Forms columns
Help on Habit: Habit: Twinning Common - Crystals are usually twinned.
Help on Hardness: Hardness: 5 - Apatite
Help on Luster: Luster: Metallic
Help on Streak: Streak: grayish black
 

Calculated Properties of Sinnerite

Help on Electron Density: Electron Density: Bulk Density (Electron Density)=4.15 gm/cc
note: Specific Gravity of Sinnerite =4.47 gm/cc.
Help on Fermion Index: Fermion Index: Fermion Index = 0.0022324178
Boson Index = 0.9977675822
Help on Photoelectric: Photoelectric: PESinnerite = 40.98 barns/electron
U=PESinnerite x rElectron Density= 170.06 barns/cc.
Help on Radioactivity: Radioactivity: GRapi = 0 (Gamma Ray American Petroleum Institute Units)
Sinnerite is Not Radioactive
 

Sinnerite Classification
Help on Dana Class: Dana Class: 03.06.14.01 (03)Sulfides - Sulfosalts
  (03.06)where 2 < z/y < 2.49 - (A+)i (A++)j [By Cz], A=metals, B=semi-metals, C=non-metals
  (03.06.14)Dana Group
 
03.06.14.01 Sinnerite Cu6As4S9 P1 1
Help on Strunz Class: Strunz Class: 02.GC.10 02 - SULFIDES and SULFOSALTS (sulfides, selenides, tellurides; arsenides, antimonides, bismuthides; sulfarsenites, sulf
  02.G - Sulfarsenites, sulfantimonites, sulfbismuthites
  02.GC -Poly-sulfarsenites
 
02.GC.10 Sinnerite Cu6As4S9 P1 1
 

Other Sinnerite Information
Help on References: References: NAME( AntBidBlaNic1) PHYS. PROP.(Enc. of Minerals,2nd ed.,1990)
Help on See Also: See Also: Links to other databases for Sinnerite :
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

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

Sinnerite

Cu6As4S9
Dana No: 03.06.14.01 Strunz No: 02.GC.10
Locality:

 

Notes: