Mineralogy Database

Kesterite Mineral Data

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General Kesterite Information

Help on Chemical  Formula: Chemical Formula: Cu2(Zn,Fe)SnS4
Help on Composition: Composition: Molecular Weight = 472.68 gm
   Zinc    10.38 %  Zn
   Iron     2.95 %  Fe
   Copper  26.89 %  Cu
   Tin     32.65 %  Sn
   Sulfur  27.14 %  S
          ______ 
          100.00 % 
Help on Empirical Formula: Empirical Formula: Cu2Zn0.75Fe2+0.25Sn1.3S4
Help on Environment: Environment: In quartz-sulfide hydrothermal veinlets in tin deposits.
Help on IMA Status: IMA Status: Valid Species (Pre-IMA) 1958
Help on Locality: Locality: Kester deposit, Yano-Adychansk region, Yakutia, Russia. Link to MinDat.org Location Data.
Help on Name Origin: Name Origin: Named for the locality.
Help on Name Pronunciation: Name Pronunciation: Kesterite + Pronunciation Say KESTERITE
Help on Synonym: Synonym: ICSD 200419
  PDF 45-688
  Pandaite
 

Kesterite Image

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  Kesterite   Mushistonite

Comments: Sharp, kesterite crystal, greenish in color due to a mushistonite coating with clear, prismatic beryl crystals.
Location: Xue Bao Diang Mountains, north of Pingwu, Sichuan Province, China. Scale: Crystal size 1 cm.
© Dan Weinrich

Kesterite Crystallography

Help on Axial Ratios: Axial Ratios: a:c = 1:2
Help on Cell Dimensions: Cell Dimensions: a = 5.44, c = 10.88, Z = 2; V = 321.98 Den(Calc)= 4.88
Help on Crystal System: Crystal System: Tetragonal - Disphenoidal H-M Symbol (4) Space Group: I 4
Help on X Ray Diffraction: X Ray Diffraction: By Intensity(I/Io): 3.15(1), 1.93(0.7), 1.65(0.5),
 

Physical Properties of Kesterite

Help on Cleavage: Cleavage: None
Help on Color: Color: Greenish black.
Help on Density: Density: 4.54 - 4.59, Average = 4.56
Help on Diaphaneity: Diaphaneity: Opaque
Help on Hardness: Hardness: 4.5 - Between Fluorite and Apatite
Help on Luster: Luster: Metallic
Help on Streak: Streak: black
 

Optical Properties of Kesterite

Help on Reflectivity Reflectivity
Standardized Intensity (100%) Reflection Spectra of Kesterite in Air
λ R1 R2  ∑ R1(λ)   ∑ R2(λ) 
 400 nm   23.60   24.20 
   
 420 nm   24.00   24.80 
 440 nm   24.40   25.40 
 460 nm   24.50   25.60 
 480 nm   24.40   25.20 
 500 nm   24.10   24.80 
 520 nm   23.80   24.50 
 540 nm   23.40   24.30 
 560 nm   23.20   24.20 
 580 nm   23.20   24.10 
 600 nm   23.20   24.20 
 620 nm   23.30   24.20 
 640 nm   23.40   24.40 
 660 nm   23.60   24.60 
 680 nm   23.80   24.80 
 700 nm   24.20   25.20 
Calculated Relative Intensity Colors of Kesterite in Air
Relative
Intensity
   0%   40%   80% 100% 120% 160% 200% 240% 280% 320% 360% 380%
R1                        
R2                        
 

Calculated Properties of Kesterite

Help on Electron Density: Electron Density: Bulk Density (Electron Density)=4.46 gm/cc
note: Specific Gravity of Kesterite =4.88 gm/cc.
Help on Fermion Index: Fermion Index: Fermion Index = 0.06
Boson Index = 0.94
Help on Photoelectric: Photoelectric: PEKesterite = 118.62 barns/electron
U=PEKesterite x rElectron Density= 529.06 barns/cc.
Help on Radioactivity: Radioactivity: GRapi = 0 (Gamma Ray American Petroleum Institute Units)
Kesterite is Not Radioactive
 

Kesterite Classification

Help on  Dana Class: Dana Class: 02.09.02.09 (02)Sulfides - Including Selenides and Tellurides
  (02.09)where Am Bn Xp, with (m+n):p=1:1
  (02.09.02)Stannite Group (Tetragonal: I-42m) A2BCS type
 
02.09.02.01 Stannite Cu2FeSnS4 I 42m 4 2m
 
02.09.02.02 Cernyite Cu2CdSnS4 I 42m 4 2m
 
02.09.02.03 Briartite Cu2(Zn,Fe)GeS4 I 42m 4 2m
 
02.09.02.04 Kuramite Cu3SnS4 I 42m 4 2m
 
02.09.02.05 Sakuraiite (Cu,Zn,Fe,In,Sn)4S4 P 432, P 43m, or P m3m Cubic
 
02.09.02.06 Hocartite Ag2FeSnS4 I 42m 4 2m
 
02.09.02.07 Pirquitasite Ag2ZnSnS4 I 42m 4 2m
 
02.09.02.08 Velikite Cu2HgSnS4 I 42m 4 2m
 
02.09.02.09 Kesterite Cu2(Zn,Fe)SnS4 I 4 4
 
02.09.02.10 Ferrokesterite Cu2(Fe,Zn)SnS4 I 42m 4 2m
 
02.09.02.11 Barquillite! Cu2CdGeS4 I 42m 4 2m
Help on  Strunz Class: Strunz Class: 02.CB.15a 02 - SULFIDES and SULFOSALTS (sulfides, selenides, tellurides; arsenides, antimonides, bismuthides; sulfarsenites, sulf
  02.C - Metal Sulfides, M:S = 1:1 (and similar)
  02.CB -With Zn, Fe, Cu, Ag, Au, etc
 
02.CB.15a Cernyite Cu2CdSnS4 I 42m 4 2m
 
02.CB.15a Ferrokesterite Cu2(Fe,Zn)SnS4 I 42m 4 2m
 
02.CB.15a Kesterite Cu2(Zn,Fe)SnS4 I 4 4
 
02.CB.15a Hocartite Ag2FeSnS4 I 42m 4 2m
 
02.CB.15a Idaite Cu5FeS6 P 63/mmc 6/m 2/m 2/m
 
02.CB.15a Kuramite Cu3SnS4 I 42m 4 2m
 
02.CB.15a Pirquitasite Ag2ZnSnS4 I 42m 4 2m
 
02.CB.15a Stannite Cu2FeSnS4 I 42m 4 2m
 
02.CB.15a Velikite Cu2HgSnS4 I 42m 4 2m
 

Other Kesterite Information

Help on References: References: NAME( AntBidBlaNic1) PHYS. PROP.(AntBidBlaNic1) OPTIC PROP.(AntBidBlaNic1)
Help on See Also: See Also: Links to other databases for Kesterite :
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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Kesterite

Cu2(Zn,Fe)SnS4
Dana No: 02.09.02.09 Strunz No: 02.CB.15a
Locality:

 

Notes:

 

 
   
 


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