Arcubisite Mineral Data

Arcubisite Mineral Data
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General Arcubisite Information

Help on Chemical Formula: Chemical Formula: Ag6CuBiS4
Help on Composition: Composition: Molecular Weight = 1,058.03 gm
   Iron        0.53 %  Fe
   Copper      6.01 %  Cu
   Silver     61.17 %  Ag
   Bismuth    15.80 %  Bi
   Tellurium   2.41 %  Te
   Lead        1.96 %  Pb
   Sulfur     12.12 %  S
             ______ 
             100.00 % 
Help on Empirical Formula: Empirical Formula: Ag6CuBi0.8Pb0.1Fe2+0.1Te0.2S4
Help on Environment: Environment: In a cryolite deposit. An inadequately characterized mineral.
Help on IMA Status: IMA Status: Approved IMA 1976
Help on Locality: Locality: Ivigtut, Greenland. Link to MinDat.org Location Data.
Help on Name Origin: Name Origin: Named for the composition (ARgentum, CUprum, and BISmuth).
Help on Name Pronunciation: Name Pronunciation: Arcubisite + Pronunciation Say ARCUBISITE
 

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Arcubisite Crystallography
Help on Crystal System: Crystal System: OrthorhombicSpace Group: Ortho ?
 

Physical Properties of Arcubisite

Help on Color: Color: Steel gray.
Help on Diaphaneity: Diaphaneity: Opaque
Help on Habit: Habit: Anhedral Grains - Granular minerals without the expression of crystal shapes
Help on Habit: Habit: Microscopic Crystals - Crystals visible only with microscopes.
Help on Luster: Luster: Metallic
 

Optical Properties of Arcubisite

Help on RL Anisotrophism: RL Anisotrophism: Distinct in air, strong in oil, cream to bluish green.
Help on RL Color: RL Color: Light gray with faint olive-brown tint.
Help on Reflectivity Reflectivity
Standardized Intensity (100%) Reflection Spectra of Arcubisite in Air
λ R1 R2  ∑ R1(λ)   ∑ R2(λ) 
 440 nm   33.60   33.40 
   
 460 nm   33.50   33.80 
 480 nm   33.10   33.60 
 500 nm   32.50   33.90 
 520 nm   32.10   33.20 
 540 nm   32.10   33.70 
 560 nm   31.80   33.70 
 580 nm   31.40   33.90 
 600 nm   31.20   33.70 
 620 nm   31.00   34.10 
 640 nm   31.00   33.50 
 660 nm   30.90   33.40 
Calculated Relative Intensity Colors of Arcubisite in Air
Relative
Intensity		    0%   30%   60%   90% 100% 120% 150% 180% 210% 240% 270% 280%
R1                        
R2                        
 

Calculated Properties of Arcubisite

Help on Fermion Index: Fermion Index: Fermion Index = 0.0072764702
Boson Index = 0.9927235298
Help on Photoelectric: Photoelectric: PEArcubisite = 496.85 barns/electron
U=PEArcubisite x rElectron Density= . barns/cc.
Help on Radioactivity: Radioactivity: GRapi = 0 (Gamma Ray American Petroleum Institute Units)
Arcubisite is Not Radioactive
 

Arcubisite Classification
Help on Dana Class: Dana Class: 03.02.06.01 (03)Sulfides - Sulfosalts
  (03.02)where z/y = 4 - (A+)i (A++)j [By Cz], A=metals, B=semi-metals, C=non-metals
  (03.02.06)Dana Group
 
03.02.06.01 Arcubisite Ag6CuBiS4 Ortho ? Ortho
 
03.02.06.02 Fettelite! [Ag6As2S7][Ag10HgAs2S8] C 2 2
Help on Strunz Class: Strunz Class: 02.LA.40 02 - SULFIDES and SULFOSALTS (sulfides, selenides, tellurides; arsenides, antimonides, bismuthides; sulfarsenites, sulf
  02.L - Unclassified Sulfosalts
  02.LA -Without essential Pb
 
02.LA.40 Arcubisite Ag6CuBiS4 Ortho ? Ortho
 

Other Arcubisite Information
Help on References: References: NAME( Dana8) PHYS. PROP.(AntBidBlaNic1) OPTIC PROP.(AntBidBlaNic1)
Help on See Also: See Also: Links to other databases for Arcubisite :
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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Ask about Arcubisite here :
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Mindat.org's Discussion Groups
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Rockhounds Discussion Group on Yahoo Groups
Mineral Discussion Forum from Fabre Minerals - also available in Espaņol

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

Arcubisite

Ag6CuBiS4
Dana No: 03.02.06.01 Strunz No: 02.LA.40
Locality:

 

Notes: