Ferrokesterite Mineral Data (original) (raw)

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 Ferrokesterite Image in a New Browser Window Images:

Click Here for Larger Ferrokesterite 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 - ScalenohedralH-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

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Ask about Ferrokesterite here :
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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: