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![Mineralogy Database Mineralogy Database](/images/Hedyphane_Crystal.gif) |
Kesterite Mineral Data
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General Kesterite Information
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Chemical Formula: |
Cu2(Zn,Fe)SnS4 |
Composition: |
Molecular Weight = 472.68 gm |
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Zinc 10.38 % Zn |
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Iron 2.95 % Fe |
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Copper 26.89 % Cu |
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Tin 32.65 % Sn |
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Sulfur 27.14 % S |
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______ |
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100.00 % |
Empirical Formula: |
Cu2Zn0.75Fe2+0.25Sn1.3S4 |
Environment: |
In quartz-sulfide hydrothermal veinlets in tin deposits. |
IMA Status: |
Valid Species (Pre-IMA) 1958 |
Locality: |
Kester deposit, Yano-Adychansk region, Yakutia, Russia. Link to MinDat.org Location Data. |
Name Origin: |
Named for the locality. |
Name Pronunciation: |
Kesterite + Pronunciation |
Synonym: |
ICSD 200419 |
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PDF 45-688 |
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Pandaite |
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Kesterite Image |
Images:
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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 |
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Kesterite Crystallography
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Axial Ratios: |
a:c = 1:2 |
Cell Dimensions: |
a = 5.44, c = 10.88, Z = 2; V = 321.98 Den(Calc)= 4.88 |
Crystal System: |
Tetragonal - Disphenoidal H-M Symbol (4) Space Group: I 4 |
X Ray Diffraction: |
By Intensity(I/Io): 3.15(1), 1.93(0.7), 1.65(0.5), |
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Physical Properties of Kesterite
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Cleavage: |
None |
Color: |
Greenish black. |
Density: |
4.54 - 4.59, Average = 4.56 |
Diaphaneity: |
Opaque |
Hardness: |
4.5 - Between Fluorite and Apatite |
Luster: |
Metallic |
Streak: |
black |
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Optical Properties of Kesterite
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Reflectivity |
Standardized Intensity (100%) Reflection Spectra of Kesterite in Air
λ |
R1 |
R2 |
![](../images/Reflect_scale_v.gif) |
∑ R1(λ) |
∑ R2(λ) |
400 nm |
23.60 |
24.20 |
![](../images/400nm.BMP)
![](../images/400nm.BMP) |
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420 nm |
24.00 |
24.80 |
![](../images/420nm.BMP)
![](../images/420nm.BMP) |
440 nm |
24.40 |
25.40 |
![](../images/440nm.BMP)
![](../images/440nm.BMP) |
460 nm |
24.50 |
25.60 |
![](../images/460nm.BMP)
![](../images/460nm.BMP) |
480 nm |
24.40 |
25.20 |
![](../images/480nm.BMP)
![](../images/480nm.BMP) |
500 nm |
24.10 |
24.80 |
![](../images/500nm.BMP)
![](../images/500nm.BMP) |
520 nm |
23.80 |
24.50 |
![](../images/520nm.BMP)
![](../images/520nm.BMP) |
540 nm |
23.40 |
24.30 |
![](../images/540nm.BMP)
![](../images/540nm.BMP) |
560 nm |
23.20 |
24.20 |
![](../images/560nm.BMP)
![](../images/560nm.BMP) |
580 nm |
23.20 |
24.10 |
![](../images/580nm.BMP)
![](../images/580nm.BMP) |
600 nm |
23.20 |
24.20 |
![](../images/600nm.BMP)
![](../images/600nm.BMP) |
620 nm |
23.30 |
24.20 |
![](../images/620nm.BMP)
![](../images/620nm.BMP) |
640 nm |
23.40 |
24.40 |
![](../images/640nm.BMP)
![](../images/640nm.BMP) |
660 nm |
23.60 |
24.60 |
![](../images/660nm.BMP)
![](../images/660nm.BMP) |
680 nm |
23.80 |
24.80 |
![](../images/680nm.BMP)
![](../images/680nm.BMP) |
700 nm |
24.20 |
25.20 |
![](../images/700nm.BMP)
![](../images/700nm.BMP) |
Calculated Relative Intensity Colors of Kesterite in Air
Relative Intensity |
0% |
40% |
80% |
100% |
120% |
160% |
200% |
240% |
280% |
320% |
360% |
380% |
R1 |
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R2 |
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Calculated Properties of Kesterite
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Electron Density: |
Bulk Density (Electron Density)=4.46 gm/cc note: Specific Gravity of Kesterite =4.88 gm/cc. |
Fermion Index: |
Fermion Index = 0.06 Boson Index = 0.94 |
Photoelectric: |
PEKesterite = 118.62 barns/electron U=PEKesterite x rElectron Density= 529.06 barns/cc. |
Radioactivity: |
GRapi = 0 (Gamma Ray American Petroleum Institute Units) Kesterite is Not Radioactive |
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Kesterite Classification
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Dana Class: |
02.09.02.09 (02)Sulfides - Including Selenides and Tellurides |
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(02.09)where Am Bn Xp, with (m+n):p=1:1 |
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(02.09.02)Stannite Group (Tetragonal: I-42m) A2BCS type |
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02.09.02.01 Stannite Cu2FeSnS4 I 42m 4 2m |
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02.09.02.02 Cernyite Cu2CdSnS4 I 42m 4 2m |
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02.09.02.03 Briartite Cu2(Zn,Fe)GeS4 I 42m 4 2m |
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02.09.02.04 Kuramite Cu3SnS4 I 42m 4 2m |
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02.09.02.05 Sakuraiite (Cu,Zn,Fe,In,Sn)4S4 P 432, P 43m, or P m3m Cubic |
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02.09.02.06 Hocartite Ag2FeSnS4 I 42m 4 2m |
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02.09.02.07 Pirquitasite Ag2ZnSnS4 I 42m 4 2m |
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02.09.02.08 Velikite Cu2HgSnS4 I 42m 4 2m |
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02.09.02.09 Kesterite Cu2(Zn,Fe)SnS4 I 4 4 |
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02.09.02.10 Ferrokesterite Cu2(Fe,Zn)SnS4 I 42m 4 2m |
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02.09.02.11 Barquillite! Cu2CdGeS4 I 42m 4 2m |
Strunz Class: |
02.CB.15a 02 - SULFIDES and SULFOSALTS (sulfides, selenides, tellurides; arsenides, antimonides, bismuthides; sulfarsenites, sulf |
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02.C - Metal Sulfides, M:S = 1:1 (and similar) |
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02.CB -With Zn, Fe, Cu, Ag, Au, etc |
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02.CB.15a Cernyite Cu2CdSnS4 I 42m 4 2m |
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02.CB.15a Ferrokesterite Cu2(Fe,Zn)SnS4 I 42m 4 2m |
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02.CB.15a Kesterite Cu2(Zn,Fe)SnS4 I 4 4 |
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02.CB.15a Hocartite Ag2FeSnS4 I 42m 4 2m |
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02.CB.15a Idaite Cu5FeS6 P 63/mmc 6/m 2/m 2/m |
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02.CB.15a Kuramite Cu3SnS4 I 42m 4 2m |
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02.CB.15a Pirquitasite Ag2ZnSnS4 I 42m 4 2m |
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02.CB.15a Stannite Cu2FeSnS4 I 42m 4 2m |
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02.CB.15a Velikite Cu2HgSnS4 I 42m 4 2m |
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Other Kesterite Information
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References: |
NAME( AntBidBlaNic1) PHYS. PROP.(AntBidBlaNic1) OPTIC PROP.(AntBidBlaNic1) |
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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Print or Cut-and-Paste your Kesterite Specimen Label here :
Kesterite
Cu2(Zn,Fe)SnS4
Dana No: 02.09.02.09 Strunz No: 02.CB.15a
Locality:
Notes:
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