Mineralogy Database

Ferrokesterite Mineral Data

Search Webmineral :
  
Advertisment

General Ferrokesterite Information

Help on Chemical  Formula: Chemical Formula: Cu2(Fe,Zn)SnS4
Help on Composition: Composition: Molecular Weight = 432.30 gm
   Zinc     3.78 %  Zn
   Iron     9.69 %  Fe
   Copper  29.40 %  Cu
   Tin     27.46 %  Sn
   Sulfur  29.67 %  S
          ______ 
          100.00 % 
Help on Empirical Formula: Empirical Formula: Cu2Zn0.25Fe2+0.75SnS4
Help on IMA Status: IMA Status: Approved IMA 1989
Help on Locality: Locality: Cligga mine, Cornwall, England. Link to MinDat.org Location Data.
Help on Name Origin: Name Origin: Named for its relationship to kesterite.
Help on Name Pronunciation: Name Pronunciation: Ferrokesterite + Pronunciation Say FERROKESTERITE
Help on Synonym: Synonym: ICSD 26721
  PDF 31-463
 

Ferrokesterite Image

Click Here for Larger   Image in a New Browser Window Images:
Click Here for Larger   Image

  Ferrokesterite   Andorite

Comments: Small, tetragonal crystal of gray ferrokesterite (circled in thumbnail) attached on the surface of a larger striated andorite specimen.
Location: San Jose mine, Oruro, Bolivia. Scale: Crystal size 0.2 mm.
© John Veevaert

Ferrokesterite Crystallography

Help on Axial Ratios: Axial Ratios: a:c = 1:2.00313
Help on Cell Dimensions: Cell Dimensions: a = 5.427, c = 10.871, Z = 2; V = 320.18 Den(Calc)= 4.48
Help on Crystal System: Crystal System: Tetragonal - Scalenohedral H-M Symbol (4 2m) Space Group: I 42m
Help on X Ray Diffraction: X Ray Diffraction: By Intensity(I/Io): 3.13(1), 1.919(0.5), 1.11(0.4),1.64(0.3), 1.04(0.1), 1.11(0.1), 1.25(0.1), 2.71(0.1), 4.86(0.1),
 

Physical Properties of Ferrokesterite

Help on Cleavage: Cleavage: {110} Distinct
Help on Color: Color: Gray, Steel gray.
Help on Diaphaneity: Diaphaneity: Opaque
Help on Habit: Habit: Massive - Granular - Common texture observed in granite and other igneous rock.
Help on Hardness: Hardness: 4 - Fluorite
Help on Luster: Luster: Metallic
Help on Streak: Streak: black
 

Calculated Properties of Ferrokesterite

Help on Electron Density: Electron Density: Bulk Density (Electron Density)=4.12 gm/cc
note: Specific Gravity of Ferrokesterite =4.48 gm/cc.
Help on Fermion Index: Fermion Index: Fermion Index = 0.05
Boson Index = 0.95
Help on Photoelectric: Photoelectric: PEFerrokesterite = 102.24 barns/electron
U=PEFerrokesterite x rElectron Density= 421.69 barns/cc.
Help on Radioactivity: Radioactivity: GRapi = 0 (Gamma Ray American Petroleum Institute Units)
Ferrokesterite is Not Radioactive
 

Ferrokesterite Classification

Help on  Dana Class: Dana Class: 02.09.02.10 (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 Ferrokesterite Information

Help on References: References: NAME( Dana8) PHYS. PROP.(Dana8)
Help on See Also: See Also: Links to other databases for Ferrokesterite :
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

Search for Ferrokesterite using:

Google
 
Web webmineral.com
[AOL] [Bing] [Dog Pile] [GeoScienceWorld] [HotBot] [Ixquick] [Lycos] [MAMMA] [Scirus] [Teoma] [WebCrawler] [Wikipedia] [YAHOO]

Visit our Advertisers for Ferrokesterite :

Ask about Ferrokesterite here :
Ask-A-Mineralogist from the Mineralogical Society of America
Mindat.org's Discussion Groups
Original Rockhounds Discussion Group
Rockhounds Discussion Group on Yahoo Groups
Mineral Discussion Forum from Fabre Minerals - also available in Espaņol

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

Ferrokesterite

Cu2(Fe,Zn)SnS4
Dana No: 02.09.02.10 Strunz No: 02.CB.15a
Locality:

 

Notes:

 

 
   
 


Dakota Matrix
Excalibur Minerals
Exceptional Minerals
Hudson Insitute
John Betts Fine Minerals
Mc Dougall Minerals
Mineral News
Rock and Mineral Shows
Weinrich Minerals, Inc.