Mineralogy Database

Kutinaite Mineral Data

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General Kutinaite Information

Help on Chemical  Formula: Chemical Formula: Cu14Ag6As7
Help on Composition: Composition: Molecular Weight = 2,086.72 gm
   Copper   43.85 %  Cu
   Silver   31.02 %  Ag
   Arsenic  25.13 %  As
           100.00 % 
Help on Empirical Formula: Empirical Formula: Cu14.4Ag6As7
Help on Environment: Environment: In carbonate-rich hydrothermal veins. New unit cell data from synthetic material.
Help on IMA Status: IMA Status: Approved IMA 1970
Help on Locality: Locality: Cerny Dul, Czech Republic. Link to MinDat.org Location Data.
Help on Name Origin: Name Origin: Named for Jan Kutina (1924-), Czech mineralogist.
Help on Name Pronunciation: Name Pronunciation: Kutinaite + Pronunciation Say KUTINAITE

Kutinaite Crystallography

Help on Cell Dimensions: Cell Dimensions: a = 11.78079, Z = 4; V = 1,635.02 Den(Calc)= 8.48
Help on Crystal System: Crystal System: Isometric - Hexoctahedral H-M Symbol (4/m 3 2/m) Space Group: P m3m
Help on X Ray Diffraction: X Ray Diffraction: By Intensity(I/Io): 2.078(1), 2.259(1), 2.702(0.9),

Physical Properties of Kutinaite

Help on Cleavage: Cleavage: None
Help on Color: Color: Silver gray.
Help on Density: Density: 8.38
Help on Diaphaneity: Diaphaneity: Opaque
Help on Fracture: Fracture: Elastic - Fragments which spring back after bending.
Help on Habit: Habit: Microscopic Crystals - Crystals visible only with microscopes.
Help on Hardness: Hardness: 4.5 - Between Fluorite and Apatite
Help on Luster: Luster: Metallic

Optical Properties of Kutinaite

Help on RL Color: RL Color: Grayish white to light blue-gray.
Help on Reflectivity Reflectivity
Standardized Intensity (100%) Reflection Spectra of Kutinaite in Air
λ R  ∑ R(λ) 
 400 nm   49.60   
 420 nm   48.80 
 440 nm   48.00 
 460 nm   46.80 
 480 nm   45.60 
 500 nm   44.50 
 520 nm   43.50 
 540 nm   42.60 
 560 nm   42.00 
 580 nm   41.40 
 600 nm   41.10 
 620 nm   40.80 
 640 nm   40.50 
 660 nm   40.40 
 680 nm   40.50 
 700 nm   40.90 
Calculated Relative Intensity Colors of Kutinaite in Air
   0%   30%   60%   90% 100% 120% 150% 180% 210%

Calculated Properties of Kutinaite

Help on Electron Density: Electron Density: Bulk Density (Electron Density)=7.56 gm/cc
note: Specific Gravity of Kutinaite =8.48 gm/cc.
Help on Fermion Index: Fermion Index: Fermion Index = 0
Boson Index = 1
Help on Photoelectric: Photoelectric: PEKutinaite = 118.05 barns/electron
U=PEKutinaite x rElectron Density= 892.90 barns/cc.
Help on Radioactivity: Radioactivity: GRapi = 0 (Gamma Ray American Petroleum Institute Units)
Kutinaite is Not Radioactive

Kutinaite Classification

Help on  Dana Class: Dana Class: (02)Sulfides - Including Selenides and Tellurides
  (02.02)where Am Bn Xp, with (m+n):p=3:1
  (02.02.02)Domeykite Group Domeykite Cu3As I 43d 4 3m Kutinaite Cu14Ag6As7 P m3m 4/m 3 2/m Dienerite? Ni3As I 43d 4 3m
Help on  Strunz Class: Strunz Class: 02.AA.25 02 - SULFIDES and SULFOSALTS (sulfides, selenides, tellurides; arsenides, antimonides, bismuthides; sulfarsenites, sulf
  02.A - Simple Sulfides, Selenides, etc
  02.AA -Alloys of metalloids with Cu, Ag, Sn, Au
02.AA.25 Kutinaite Cu14Ag6As7 P m3m 4/m 3 2/m

Other Kutinaite Information

Help on References: References: NAME( Dana8) PHYS. PROP.(Dana8, AmMin, v 88, p 1179) OPTIC PROP.(AntBidBlaNic1)
Help on See Also: See Also: Links to other databases for Kutinaite :
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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Dana No: Strunz No: 02.AA.25