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Stannite

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Formula:
Cu2(Fe,Zn)SnS4
System:
Tetragonal
Colour:
Grey, black with an ...
Lustre:
Metallic
Hardness:
4
Member of:
Name:
The name reflects its tin (Latin = "STANNum") content.
Dimorph of:
Stannite Group.

Often contains Zn replacing Fe, and sometimes also traces of Ge.

Classification of Stannite

Valid - first described prior to 1959 (pre-IMA) - "Grandfathered"
2.CB.15a

2 : SULFIDES and SULFOSALTS (sulfides, selenides, tellurides; arsenides, antimonides, bismuthides; sulfarsenites, sulfantimonites, sulfbismuthites, etc.)
C : Metal Sulfides, M: S = 1: 1 (and similar)
B : With Zn, Fe, Cu, Ag, etc.
2.9.2.1

2 : SULFIDES
9 : AmBnXp, with (m+n):p = 1:1
6.1.6

6 : Sulphosalts - Sulphostannates, Sulphogermanates,Sulpharsenates, Sulphantimonates, Sulphovanadates and Sulphohalides
1 : Sulphostannates and other sulfides containing Sn
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Type Occurrence of Stannite

Year of Discovery:
1797

Physical Properties of Stannite

Metallic
Diaphaneity (Transparency):
Opaque
Colour:
Grey, black with an olive-green tint, tarnishes pale blue
Streak:
Black
Hardness (Mohs):
4
Hardness (Vickers):
VHN25=216 - 265 kg/mm2
Cleavage:
Poor/Indistinct
Indistinct on {110} {001}
Fracture:
Irregular/Uneven
Density:
4.3 - 4.5 g/cm3 (Measured)    4.49 g/cm3 (Calculated)

Crystallography of Stannite

Crystal System:
Tetragonal
Class (H-M):
4 2m - Scalenohedral
Space Group:
I4 2m
Cell Parameters:
a = 5.4432Å, c = 10.7299Å
Ratio:
a:c = 1 : 1.971
Unit Cell Volume:
V 317.91 ų (Calculated from Unit Cell)
Z:
2
Morphology:
Rarely as crystals
Twinning:
Penetration twins on {102}. Twin axis {112}, Composition plane {112}.
Polysynthetic in polished section.

Crystallographic forms of Stannite

Crystal Atlas:
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Stannite no.2 - Goldschmidt (1913-1926)
3d models and HTML5 code kindly provided by www.smorf.nl.

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Edge Lines | Miller Indicies | Axes

Transparency
Opaque | Translucent | Transparent

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Along a-axis | Along b-axis | Along c-axis | Start rotation | Stop rotation
X-Ray Powder Diffraction:
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Radiation - Copper Kα
Data Set:
Data courtesy of RRUFF project at University of Arizona, used with permission.

Optical Data of Stannite

Type:
Anisotropic
Anisotropism:
Distinct violet - slate green
Colour in reflected light:
Gray with olive green tinge.
Pleochroism:
Weak
Comments:
Indistinct in air, distinct in oil.

Chemical Properties of Stannite

Formula:
Cu2(Fe,Zn)SnS4
Essential elements:
All elements listed in formula:
Common Impurities:
Ag,Zn,Cd,In

Relationship of Stannite to other Species

Series:
Forms a series with Kësterite (see here)
Member of:
Other Members of Group:
BriartiteCu2(Fe,Zn)GeS4
ČernýiteCu2(Cd,Zn,Fe)SnS4
FamatiniteCu3SbS4
FerrokësteriteCu2(Fe,Zn)SnS4
Ge-stannoiditeCu8Fe2ZnGe2S12
HocartiteAg2(Fe2+,Zn)SnS4
KësteriteCu2(Zn,Fe)SnS4
Kësterite Subgroup
KeutschiteCu2AgAsS4
KuramiteCu3SnS4
LuzoniteCu3AsS4
PermingeatiteCu3SbSe4
Petrukite(Cu,Fe,Zn,Ag)3(Sn,In)S4
PirquitasiteAg2ZnSnS4
Unnamed (Cu-Zn-In Sulphide)CuZn2InS4
VelikiteCu2HgSnS4
2.CB.05aColoradoiteHgTe
2.CB.05aHawleyiteCdS
2.CB.05aMetacinnabarHgS
2.CB.05cPolhemusite(Zn,Hg)S
2.CB.05bSakuraiite(Cu,Zn,Fe)3(In,Sn)S4
2.CB.05aSphaleriteZnS
2.CB.05aStilleiteZnSe
2.CB.05aTiemanniteHgSe
2.CB.05UM1998-15-S:CuFeZnCu2Fe3Zn5S10
2.CB.05aRudashevskyite(Fe,Zn)S
2.CB.10aChalcopyriteCuFeS2
2.CB.10aEskeborniteCuFeSe2
2.CB.10aGalliteCuGaS2
2.CB.10bHaycockiteCu4Fe5S8
2.CB.10aLenaiteAgFeS2
2.CB.10bMooihoekiteCu9Fe9S16
2.CB.10bPutoraniteCu9(Fe,Ni)9S16
2.CB.10aRoquesiteCuInS2
2.CB.10bTalnakhiteCu9(Fe,Ni)8S16
2.CB.10aLaforêtiteAgInS2
2.CB.15aČernýiteCu2(Cd,Zn,Fe)SnS4
2.CB.15aFerrokësteriteCu2(Fe,Zn)SnS4
2.CB.15aHocartiteAg2(Fe2+,Zn)SnS4
2.CB.15aIdaiteCu5FeS6
2.CB.15aKësteriteCu2(Zn,Fe)SnS4
2.CB.15aKuramiteCu3SnS4
2.CB.15bMohiteCu2SnS3
2.CB.15aPirquitasiteAg2ZnSnS4
2.CB.15cStannoiditeCu6+Cu22+(Fe2+,Zn)3Sn2S12
2.CB.15aVelikiteCu2HgSnS4
2.CB.15cUM2006-11-S:CuFeGeZnCu8(Fe,Zn)3Ge2S12 (?)
2.CB.20ChatkaliteCu6FeSn2S8
2.CB.20MawsoniteCu6Fe2SnS8
2.CB.30ColusiteCu12VAs3S16
2.CB.30GermaniteCu13Fe2Ge2S16
2.CB.30GermanocolusiteCu26V2(Ge,As)6S32
2.CB.30NekrasoviteCu26V2(Sn,As,Sb)6S32
2.CB.30StibiocolusiteCu13V4(Sb,Sn,As)3S16
2.CB.30Ovamboite Cu20(Fe,Cu,Zn)6W2Ge6S32
2.CB.30MaikainiteCu20(Fe,Cu)6Mo2Ge6S32
2.CB.35aHemusiteCu6SnMoS8
2.CB.35aKiddcreekiteCu6SnWS8
2.CB.35aPolkovicite(Fe,Pb)3(Ge,Fe)1-xS4
2.CB.35aRenierite(Cu,Zn)11(Ge,As)2Fe4S16
2.CB.35aVincienniteCu7+Cu32+Fe22+Fe23+Sn(As,Sb)S16
2.CB.35aMorozeviczite(Pb,Fe)3Ge1-xS4
2.CB.35bCatamarcaiteCu6GeWS8
2.CB.40LautiteCuAsS
2.CB.45CadmoseliteCdSe
2.CB.45GreenockiteCdS
2.CB.45Wurtzite(Zn,Fe)S
2.CB.45RambergiteMnS
2.CB.45Buseckite(Fe,Zn,Mn)S
2.CB.55aCubaniteCuFe2S3
2.CB.55bIsocubaniteCuFe2S3
2.CB.60PicotpauliteTlFe2S3
2.CB.60RaguiniteTlFeS2
2.CB.65ArgentopyriteAgFe2S3
2.CB.65SternbergiteAgFe2S3
2.CB.70SulvaniteCu3VS4
2.CB.75VulcaniteCuTe
2.CB.80EmpressiteAgTe
2.CB.85MuthmanniteAuAgTe2
6.1.1KuramiteCu3SnS4
6.1.2MohiteCu2SnS3
6.1.3VelikiteCu2HgSnS4
6.1.4HemusiteCu6SnMoS8
6.1.5KiddcreekiteCu6SnWS8
6.1.7RhodostanniteCu2FeSn3S8
6.1.8MawsoniteCu6Fe2SnS8
6.1.9ChatkaliteCu6FeSn2S8
6.1.10FerrokësteriteCu2(Fe,Zn)SnS4
6.1.11KësteriteCu2(Zn,Fe)SnS4
6.1.12StannoiditeCu6+Cu22+(Fe2+,Zn)3Sn2S12
6.1.13ČernýiteCu2(Cd,Zn,Fe)SnS4
6.1.14VincienniteCu7+Cu32+Fe22+Fe23+Sn(As,Sb)S16
6.1.15PirquitasiteAg2ZnSnS4
6.1.16HocartiteAg2(Fe2+,Zn)SnS4
6.1.17Teallite(Pb,Sn)SnS2
6.1.18FranckeiteFe2+(Pb,Sn2+)6Sn24+Sb2S14
6.1.19LévyclauditePb8Sn7Cu3(Bi,Sb)3S28
6.1.20CylindritePb3Sn4FeSb2S14
6.1.21PotosíitePb6Sn3FeSb3S16
6.1.22Sakuraiite(Cu,Zn,Fe)3(In,Sn)S4
6.1.23Petrukite(Cu,Fe,Zn,Ag)3(Sn,In)S4
6.1.24Incaite(Pb,Ag)4Sn4FeSb2S15

Other Names for Stannite

Name in Other Languages:

Other Information

Health Risks:
No information on health risks for this material has been entered into the database. You should always treat mineral specimens with care.

References for Stannite

Reference List:
Klaproth, M.H. (1797): Untersuchung des Zinnkieses, Beiträge zur chemischen Kenntniss der Mineralkörper, Zweiter Band, Rottmann Berlin, 257-264

Klaproth, M.H. (1810): Chemische Untersuchung des Zinnkieses, Beiträge zur chemischen Kenntniss der Mineralkörper, Fünfter Band, Rottmann Berlin, 228-230

Palache, Charles, Harry Berman & Clifford Frondel (1944), The System of Mineralogy of James Dwight Dana and Edward Salisbury Dana Yale University 1837-1892, Volume I: Elements, Sulfides, Sulfosalts, Oxides. John Wiley and Sons, Inc., New York. 7th edition, revised and enlarged, 834pp.: 224-226.

Canadian Mineralogist (1978): 16: 131.

Kissin, S. A. & Owens, D. R. (1979): New data on stannite and related tin sulfide minerals. Canadian Mineralogist, 17, 125-135.

Bonazzi, P., Bindi, L., Bernardini, G. P., Menchetti, S. (2003): A model for the mechanism of incorporation of Cu, Fe and Zn in the stannite - kesterite series, Cu2FeSnS4 - Cu2ZnSnS4. Can. Mineral. 41, 639-647.

S. Schorr, H.-J. Höbler, M. Tovar (2007): A neutron diffraction study of the stannite-kesterite solid solution series. Eur. J. Mineral., 19, 65-73.

Internet Links for Stannite

Specimens:
The following Stannite specimens are currently listed for sale on minfind.com.

Localities for Stannite

map shows a selection of localities that have latitude and longitude coordinates recorded. Click on the symbol to view information about a locality. The symbol next to localities in the list can be used to jump to that position on the map.
Mineral and/or Locality  
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