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Gallite

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Formula:
CuGaS2
Colour:
Grey
Lustre:
Metallic
Hardness:
3 - 3½
Specific Gravity:
4.2
Crystal System:
Tetragonal
Name:
For the gallium content.
Hide all sections | Show all sections

Classification of GalliteHide

Approved, 'Grandfathered' (first described prior to 1959)
2.CB.10a

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.
2.9.1.3

2 : SULFIDES
9 : AmBnXp, with (m+n):p = 1:1
3.5.18

3 : Sulphides, Selenides, Tellurides, Arsenides and Bismuthides (except the arsenides, antimonides and bismuthides of Cu, Ag and Au, which are included in Section 1)
5 : Sulphides etc. of Hg and Tl

Physical Properties of GalliteHide

Metallic
Transparency:
Opaque
Colour:
Grey
Streak:
Greyish black
Hardness:
3 - 3½ on Mohs scale
Density:
4.2 g/cm3 (Measured)    4.35 g/cm3 (Calculated)

Optical Data of GalliteHide

Type:
Anisotropic
Anisotropism:
low
Reflectivity:
400nmR=20.7%
420nmR=19.9%
440nmR=19.4%
460nmR=18.8%
480nmR=18.5%
500nmR=18.1%
520nmR=17.9%
540nmR=17.7%
560nmR=17.5%
580nmR=17.4%
600nmR=17.2%
620nmR=17.1%
640nmR=17.0%
660nmR=16.9%
680nmR=16.8%
700nmR=16.6%

Reflectance graph
Graph shows reflectance levels at different wavelengths (in nm). Top of box is 100%. Peak reflectance is 20.7%.

Chemical Properties of GalliteHide

Formula:
CuGaS2
Common Impurities:
Pb,Zn,Fe,Ge

Crystallography of GalliteHide

Crystal System:
Tetragonal
Class (H-M):
4 2m - Scalenohedral
Space Group:
I4 2d
Cell Parameters:
a = 5.360 Å, c = 10.49 Å
Ratio:
a:c = 1 : 1.957
Unit Cell V:
301.37 ų (Calculated from Unit Cell)
Z:
4
Morphology:
Massive, inclusions, exsolved lamellae to 2mm.
Twinning:
Parallel to {112}, {111}

Epitaxial Relationships of GalliteHide

Epitaxial Minerals:
Epitaxy Comments:
Gallite exsolves as lamellae || {100} and {111} of sphalerite, and in turn shows exsolution of sphalerite on {001} of gallite.

X-Ray Powder DiffractionHide

Image Loading

Radiation - Copper Kα
Data Set:
Data courtesy of RRUFF project at University of Arizona, used with permission.
Powder Diffraction Data:
d-spacingIntensity
3.07 (100)
1.876 (90)
1.610 (90)
1.089 (90)
1.894 (60)
1.215 (60)
1.076 (60)

Type Occurrence of GalliteHide

General Appearance of Type Material:
Massive, as included grains and exsolution lamellae in other sulfides.
Place of Conservation of Type Material:
Berlin Technical University, Berlin, Germany, 86/67, 87/564, 396.

Other Language Names for GalliteHide

German:Gallit
Russian:Галлит
Simplified Chinese:硫镓铜矿
Spanish:Gallita
Traditional Chinese:硫鎵銅礦

Relationship of Gallite to other SpeciesHide

Other Members of this group:
ChalcopyriteCuFeS2Tet. 4 2m : I4 2d
EskeborniteCuFeSe2Tet.
LaforêtiteAgInS2Tet. 4 2m : I4 2d
LenaiteAgFeS2Tet. 4 2m : I4 2d
RoquesiteCuInS2Tet. 4 2m : I4 2d
ShenzhuangiteNiFeS2Tet. 4 2m : I4 2d

Common AssociatesHide

BorniteCu5FeS4
ChalcociteCu2S
DigeniteCu9S5
GalenaPbS
GermaniteCu13Fe2Ge2S16
PyriteFeS2
Renierite(Cu1+,Zn)11Fe4(Ge4+,As5+)2S16
SphaleriteZnS
Associated Minerals Based on Photo Data:
Germanite9 photos of Gallite associated with Germanite on mindat.org.
Renierite7 photos of Gallite associated with Renierite on mindat.org.
Chalcocite3 photos of Gallite associated with Chalcocite on mindat.org.
Tsumgallite3 photos of Gallite associated with Tsumgallite on mindat.org.
Tennantite3 photos of Gallite associated with Tennantite on mindat.org.
Sphalerite3 photos of Gallite associated with Sphalerite on mindat.org.
Bornite2 photos of Gallite associated with Bornite on mindat.org.
Reinerite1 photo of Gallite associated with Reinerite on mindat.org.
Briartite1 photo of Gallite associated with Briartite on mindat.org.

Related Minerals - Nickel-Strunz GroupingHide

2.CB.AgmantiniteAg2MnSnS4Orth.
2.CB.05aColoradoiteHgTeIso. m3m (4/m 3 2/m)
2.CB.05aHawleyiteCdSIso. 4 3m : F4 3m
2.CB.05aMetacinnabarHgSIso. 4 3m : F4 3m
2.CB.05cPolhemusite(Zn,Hg)STet.
2.CB.05bSakuraiite(Cu,Zn,Fe)3(In,Sn)S4 Iso.
2.CB.05aSphaleriteZnSIso. 4 3m : F4 3m
2.CB.05aStilleiteZnSe
2.CB.05aTiemanniteHgSe
2.CB.05UM1998-15-S:CuFeZnCu2Fe3Zn5S10
2.CB.05aRudashevskyite(Fe,Zn)SIso. 4 3m : F4 3m
2.CB.10aChalcopyriteCuFeS2Tet. 4 2m : I4 2d
2.CB.10aEskeborniteCuFeSe2Tet.
2.CB.10bHaycockiteCu4Fe5S8Orth. 2 2 2
2.CB.10aLenaiteAgFeS2Tet. 4 2m : I4 2d
2.CB.10bMooihoekiteCu9Fe9S16Tet.
2.CB.10bPutoraniteCu1.1Fe1.2S2Iso.
2.CB.10aRoquesiteCuInS2Tet. 4 2m : I4 2d
2.CB.10bTalnakhiteCu9(Fe,Ni)8S16Iso. 4 3m : I4 3m
2.CB.10aLaforêtiteAgInS2Tet. 4 2m : I4 2d
2.CB.15aČernýiteCu2(Cd,Zn,Fe)SnS4Tet. 4 2m : I4 2m
2.CB.15aFerrokësteriteCu2(Fe,Zn)SnS4Tet. 4 : I4
2.CB.15aHocartiteAg2(Fe2+,Zn)SnS4Tet. 4 2m : I4 2m
2.CB.15aIdaiteCu5FeS6Hex.
2.CB.15aKësteriteCu2ZnSnS4Tet. 4 : I4
2.CB.15aKuramiteCu3SnS4Tet.
2.CB.15bMohiteCu2SnS3Mon.
2.CB.15aPirquitasiteAg2ZnSnS4Tet. 4 : I4
2.CB.15aStanniteCu2FeSnS4Tet. 4 2m : I4 2m
2.CB.15cStannoiditeCu+6Cu2+2(Fe2+,Zn)3Sn2S12Orth.
2.CB.15aVelikiteCu2HgSnS4Tet.
2.CB.15cUM2006-11-S:CuFeGeZnCu8(Fe,Zn)3Ge2S12 (?)
2.CB.20ChatkaliteCu6FeSn2S8Tet. 4 2m : P4m2
2.CB.20MawsoniteCu6Fe2SnS8Tet. 4 2m : P4m2
2.CB.30ColusiteCu12VAs3S16Iso. 4 3m : P4 3n
2.CB.30GermaniteCu13Fe2Ge2S16Iso. 4 3m : P4 3n
2.CB.30GermanocolusiteCu26V2(Ge,As)6S32Iso.
2.CB.30NekrasoviteCu26V2(Sn,As,Sb)6S32Iso.
2.CB.30StibiocolusiteCu13V(Sb,Sn,As)3S16Iso.
2.CB.30Ovamboite Cu20(Fe,Cu,Zn)6W2Ge6S32Iso.
2.CB.30MaikainiteCu20(Fe,Cu)6Mo2Ge6S32
2.CB.35aHemusiteCu6SnMoS8Iso.
2.CB.35aKiddcreekiteCu6SnWS8Iso. 4 3m : F4 3m
2.CB.35aPolkovicite(Fe,Pb)3(Ge,Fe)1-xS4Iso.
2.CB.35aRenierite(Cu1+,Zn)11Fe4(Ge4+,As5+)2S16Tet. 4 2m : P4 2c
2.CB.35aVincienniteCu+7Cu2+3Fe2+2Fe3+2Sn(As,Sb)S16Tet.
2.CB.35aMorozeviczite(Pb,Fe)3Ge1-xS4Iso.
2.CB.35bCatamarcaiteCu6GeWS8Hex. 6mm : P63mc
2.CB.40LautiteCuAsSOrth. mmm (2/m 2/m 2/m) : Pnma
2.CB.45CadmoseliteCdSeHex. 6mm : P63mc
2.CB.45GreenockiteCdSHex. 6mm : P63mc
2.CB.45Wurtzite(Zn,Fe)SHex. 6mm : P63mc
2.CB.45RambergiteMnSHex. 6mm : P63mc
2.CB.45Buseckite(Fe,Zn,Mn)SHex. 6mm : P63mc
2.CB.55aCubaniteCuFe2S3Orth. mmm (2/m 2/m 2/m)
2.CB.55bIsocubaniteCuFe2S3Iso. m3m (4/m 3 2/m) : Fm3m
2.CB.60PicotpauliteTlFe2S3Orth. mmm (2/m 2/m 2/m) : Cmcm
2.CB.60RaguiniteTlFeS2Orth.
2.CB.65ArgentopyriteAgFe2S3Mon. 2/m
2.CB.65SternbergiteAgFe2S3Orth. mmm (2/m 2/m 2/m)
2.CB.70SulvaniteCu3VS4Iso.
2.CB.75VulcaniteCuTeOrth.
2.CB.80EmpressiteAgTeOrth. mmm (2/m 2/m 2/m)
2.CB.85MuthmanniteAuAgTe2Mon. 2/m : P2/m

Related Minerals - Dana Grouping (8th Ed.)Hide

2.9.1.1ChalcopyriteCuFeS2Tet. 4 2m : I4 2d
2.9.1.2EskeborniteCuFeSe2Tet.
2.9.1.4RoquesiteCuInS2Tet. 4 2m : I4 2d
2.9.1.5LenaiteAgFeS2Tet. 4 2m : I4 2d

Related Minerals - Hey's Chemical Index of Minerals GroupingHide

3.5.1CinnabarHgSTrig. 3 2 : P31 2 1
3.5.2HypercinnabarHgSHex.
3.5.3MetacinnabarHgSIso. 4 3m : F4 3m
3.5.4ImiteriteAg2HgS2Mon.
3.5.5TiemanniteHgSe
3.5.6BalkaniteCu9Ag5HgS8Mon. 2/m : P2/m
3.5.7Danielsite(Cu,Ag)14HgS8Orth.
3.5.8ColoradoiteHgTeIso. m3m (4/m 3 2/m)
3.5.9GortdrumiteCu18FeHg6S16Orth.
3.5.10Polhemusite(Zn,Hg)STet.
3.5.11CarliniteTl2STrig. 3 : R3
3.5.12CrookesiteCu7(Tl, Ag)Se4Tet.
3.5.13SabatieriteCu6TlSe4Orth.
3.5.14PicotpauliteTlFe2S3Orth. mmm (2/m 2/m 2/m) : Cmcm
3.5.15RaguiniteTlFeS2Orth.
3.5.16ThalcusiteTl2Cu3FeS4Tet.
3.5.17BukoviteTl2(Cu,Fe)4Se4Tet.
3.5.19RoquesiteCuInS2Tet. 4 2m : I4 2d
3.5.20InditeFeIn2S4

Other InformationHide

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 GalliteHide

Reference List:
Sort by Year (asc) | by Year (desc) | by Author (A-Z) | by Author (Z-A)
Strunz, H., Geier, B.H., Seeliger, E. (1958) Gallite, CuGaS2, das erste selbständige Galliummineral, und seine Verbreitung in den Erzen der Tsumeb- und Kipushi-Mine. Neues Jahrbuch für Mineralogie, Monatshefte: 241-264.
Fleischer, M. (1959) New mineral names. American Mineralogist: 44: 906-910.

Internet Links for GalliteHide

Localities for GalliteHide

This 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.

Locality ListHide

- This locality has map coordinates listed. - This locality has estimated coordinates. ⓘ - Click for further information on this occurrence. ? - Indicates mineral may be doubtful at this locality. - Good crystals or important locality for species. - World class for species or very significant. (TL) - Type Locality for a valid mineral species. (FRL) - First Recorded Locality for everything else (eg varieties). Struck out - Mineral was erroneously reported from this locality. Faded * - Never found at this locality but inferred to have existed at some point in the past (eg from pseudomorphs.)

All localities listed without proper references should be considered as questionable.
Bulgaria
 
  • Pazardzhik Oblast (Pazardjik Oblast)
    • Panagyurishte (Panagurishte) Obshtina
      • Levski
Pavel Kartashov (Mindat message www.mindat.org/mesg-7-84159.html); Handbook of Mineralogy; Bogdanov, K., Tsonev, D., & Popov, K. (2004). Mineral Assemblages And Genesis Of The Cu-Au Epithermal Deposits In The Southern Part Of The Panaguyrishte Ore District, Bulgaria. Bulletin of the Geological Society of Greece, 36:406-415
  • Sofiya Oblast (Sofia Oblast)
    • Chelopech
American Mineralogist (1966): 51: 29-36
Cuba
 
Handbook of Mineralogy
Democratic Republic of Congo (Zaïre) (TL)
 
  • Katanga (Shaba)
    • Kipushi
Neues Jahrbuch für Mineralogie, Monatshefte (1958): 241-264.; Kamona, A.F., Lévêque, J., Friedrich, G., and Haack, U. (1999): Mineralium Deposita 34, 273-283.; Kampunzu, A.B., Cailteux, J.L.H., Kamona, A.F., Intiomale, M.M., and Melcher, F. (2009): Ore Geology Reviews 35, 263-297.; Chabu, M. (1995). The Geochemistry Of Phlogopite And Chlorite From The Kipushi Zn-Pb-Cu Deposit, Shaba, Zaire., Canadian Mineralogist 33, 547-558.
Namibia (TL)
 
  • Otjikoto Region (Oshikoto)
    • Tsumeb
Strunz, H., Geier, B.H., and Seeliger, E. (1958) Gallite, CuGaS2, das erste selbständige Galliummineral, und seine Verbreitung in den Erzen der Tsumeb- und Kipushi-Mine. Neues Jahrbuch für Mineralogie (1958), Monatshefte: 241-264.
Mineral and/or Locality  
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