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Idaite

A valid IMA mineral species - grandfathered
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Grandfathered but inadequately described and questionable mineral; name may refer to both impurenukundamite, which was originally called "idaite", or to a tetragonal phase close to Sn-poormawsonite (Rice et al., 1979). Most data here are consistent with nukundamite.

It has sometimes been placed inStannite Group but the formula and crystal system are incompatible. The IMA formula appears incorrect.

A lamellar, strongly anisotropic, bronze-coloured, decomposition product ofbornite, commonly associated with fine spindles ofchalcopyrite; apparently of secondary origin, a first product of secondary enrichment.

Chemically similar tobornite.


Unique Identifiers

IMA Formula:
Cu3FeS4
First published:
1958
Type description reference:
Frenzel, G. (1959) Ein neues Mineral: Idait, natürliches Cu5FeS6. Neues Jahrbuch für Mineralogie, Abhandlungen, 93, 87–114. (in German)

Classification of Idaite

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.

Dana 8th ed.:
2.9.14.1

2 : SULFIDES
9 : AmBnXp, with (m+n):p = 1:1
Hey's CIM Ref.:
3.1.29

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

Mineral Symbols
Transparency:
Opaque
Colour:
Red-brown, bronzy-brown, or coppery-red, like untarnished bornite.
Hardness:
2½ - 3½ onMohs scale
Tenacity:
Brittle
Cleavage:
None Observed
Fracture:
Irregular/Uneven, Sub-Conchoidal
Density:
4.2 g/cm3 (Calculated)

Optical Data of Idaite

Crystallography of Idaite
General Appearance of Type Material:
Lamellar.
Place of Conservation of Type Material:
Not recorded.
Geological Setting of Type Material:
A decomposition product of bornite.
Associated Minerals at Type Locality:
BorniteChalcopyriteNative CopperCovelliteCuprite
DelafossiteDigeniteHematiteMackinawiteParamelaconite
PyritePyrrhotiteQuartzSphaleriteTenorite
Reference:
Frenzel, G. (1959) Ein neues Mineral: Idait, natürliches Cu5FeS6. Neues Jahrbuch für Mineralogie, Abhandlungen, 93, 87–114. (in German)

Synonyms of Idaite

Other Language Names for Idaite

Common AssociatesTet.42m :I42m2.CB.OkruginiteCu2SnSe3Mon.m :Bb2.CB.HanswilkeiteKFeS2Mon. 2/m :B2/b2.CB.AuroselenideAuSeMon. 2/m :B2/m2.CB.Ruizhongite(Ag2◻)Pb3Ge2S8Iso.43m :I43d2.CB.AgmantiniteAg2MnSnS4Orth.2.CB.TolstykhiteAu3S4Te6Tric.1 :P12.CB.GachingiteAu(Te1-xSex)Orth.mmm(2/m2/m2/m)2.CB.05aHawleyiteCdSIso.43m :F43m2.CB.05UM1998-15-S:CuFeZnCu2Fe3Zn5S102.CB.05aColoradoiteHgTeIso.43m :F43m2.CB.05aMetacinnabarHgSIso.43m :F43m2.CB.05aTiemanniteHgSeIso.43m :F43m2.CB.05aSphaleriteZnSIso.43m :F43m2.CB.05bSakuraiite(Cu,Zn,Fe)3(In,Sn)S4Iso.2.CB.05cPolhemusite(Zn,Hg)STet.2.CB.05aRudashevskyite(Fe,Zn)SIso.43m :F43m2.CB.05aStilleiteZnSeIso.43m :F43m2.CB.05aIshiharaite(Cu,Ga,Fe,In,Zn)SIso.43m :F43m2.CB.07aUnnamed (Cu-Mn-Sn Sulphide)Cu2MnSnS42.CB.07aShenzhuangiteNiFeS2Tet.42m :I42d2.CB.10bTalnakhiteCu9(Fe,Ni)8S16Iso.43m :I43m2.CB.10bHaycockiteCu4Fe5S8Orth. 2222.CB.10aLenaiteAgFeS2Tet.42m :I42d2.CB.10aGalliteCuGaS2Tet.42m :I42d2.CB.10aRoquesiteCuInS2Tet.42m :I42d2.CB.10aEskeborniteCuFeSe2Tet.42m :P42c2.CB.10aUM1984-30-S:CuFeSnCu2Fe2Sn3S72.CB.10cOmariniiteCu8Fe2ZnGe2S12Orth. 222 :I2222.CB.10aChalcopyriteCuFeS2Tet.42m :I42d2.CB.10aUnnamed (Cu-Zn-In Sulphide)CuZn2InS42.CB.10bMooihoekiteCu9Fe9S16Tet.42m :P42m2.CB.10aLaforêtiteAgInS2Tet.42m :I42d2.CB.10bPutoraniteCu1.1Fe1.2S2Iso.m3m(4/m32/m) :Pn3m2.CB.15aVelikiteCu2HgSnS4Tet.4 :I42.CB.15cUM2006-11-S:CuFeGeZnCu8(Fe,Zn)3Ge2S12 (?)2.CB.15aHocartiteAg2(Fe2+,Zn)SnS4Tet.42m :I42m2.CB.15aKësteriteCu2ZnSnS4Tet.4 :I42.CB.15aPirquitasiteAg2ZnSnS4Tet.4 :I42.CB.15aStanniteCu2FeSnS4Tet.42m :I42m2.CB.15cStannoiditeCu+6Cu2+2(Fe2+,Zn)3Sn2S12Orth. 222 :I2222.CB.15bMohiteCu2SnS3Mon.2.CB.15aČernýiteCu2(Cd,Zn,Fe)SnS4Tet.42m :I42m2.CB.15aFerrokësteriteCu2FeSnS4Tet.4 :I42.CB.15aKuramiteCu3SnS4Tet.42m :I42m2.CB.17a vArsenic-bearing RenieriteCu11GeAsFe4S162.CB.20MawsoniteCu6Fe2SnS8Tet.42m :P4m22.CB.20ChatkaliteCu6FeSn2S8Tet.42m :P4m22.CB.30FrieseiteAg2Fe5S8 (?)2.CB.30NekrasoviteCu26V2(Sn,As,Sb)6S32Iso.43m :P43n2.CB.30Argyropyritenear Ag2Fe7S112.CB.30MaikainiteCu20(Fe,Cu)6Mo2Ge6S32Iso.m3m(4/m32/m)2.CB.30ColusiteCu13VAs3S16Iso.43m :P43n2.CB.30GermaniteCu13Fe2Ge2S16Iso.43m :P43n2.CB.30GermanocolusiteCu26V2(Ge,As)6S32Iso.43m :P43m2.CB.30StibiocolusiteCu13V(Sb,Sn,As)3S16Iso.43m :P43m2.CB.30Ovamboite Cu20(Fe,Cu,Zn)6W2Ge6S32Iso.43m :P43n2.CB.35aMorozeviczite(Pb,Fe)3Ge1-xS4Iso.2.CB.35aRenierite(Cu1+,Zn)11Fe4(Ge4+,As5+)2S16Tet.42m :P42c2.CB.35aHemusiteCu6SnMoS8Iso.2.CB.35bCatamarcaiteCu6GeWS8Hex. 6mm :P63mc2.CB.35aVincienniteCu+7Cu2+3Fe2+2Fe3+2Sn(As,Sb)S16Tet.2.CB.35aKiddcreekiteCu6SnWS8Iso.43m :F43m2.CB.35aPolkovicite(Fe,Pb)3(Ge,Fe)1-xS4Iso.2.CB.40LautiteCuAsSOrth.mmm(2/m2/m2/m) :Pnma2.CB.42LingbaoiteAgTe3Trig. 3m :R3m2.CB.45CadmoseliteCdSeHex. 6mm :P63mc2.CB.45RambergiteMnSHex. 6mm :P63mc2.CB.45Buseckite(Fe,Zn,Mn)SHex. 6mm :P63mc2.CB.45MaletoyvayamiteAu3Se4Te6Tric.1 :P12.CB.45GreenockiteCdSHex. 6mm :P63mc2.CB.45Wurtzite(Zn,Fe)SHex. 6mm :P63mc2.CB.47MurchisiteCr5S6Trig.3m(32/m) :P31c2.CB.50ZincselenideZnSe2.CB.50WassoniteTiSTrig.3m(32/m) :R3m2.CB.52DzhezkazganiteReMoCu2PbS6 ?Trig. 3m :R3m2.CB.55bIsocubaniteCuFe2S3Iso.m3m(4/m32/m) :Fm3m2.CB.55aCubaniteCuFe2S3Orth.mmm(2/m2/m2/m)2.CB.60RaguiniteTlFeS2Orth.2.CB.60PicotpauliteTlFe2S3Orth.mmm(2/m2/m2/m) :Cmcm2.CB.65ArgentopyriteAgFe2S3Mon. 2/m2.CB.65SternbergiteAgFe2S3Orth.mmm(2/m2/m2/m)2.CB.70SulvaniteCu3VS4Iso.43m :P43m2.CB.75VulcaniteCuTeOrth.mmm(2/m2/m2/m)2.CB.80EmpressiteAgTeOrth.mmm(2/m2/m2/m)2.CB.85MuthmanniteAuAgTe2Mon. 2/m :P2/m

Fluorescence of Idaite

Other Information
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    • References for IdaiteRice, C. M., Atkin, D., Bowles, J. F. W., Criddle, A. J. (1979) Nukundamite, a new mineral, and idaite.Mineralogical Magazine, 43 (326) 193-200doi:10.1180/minmag.1979.043.326.01
    Makundi, I.N. (1989). Moessbauer studies on Idaite (Cu5.5FeS6.5). Tanzania Journal of Science, 15(1), 73-85.
    Weigel, Dennis A. (1994). The idaite-nukundamite-bornite-chalcopyrite metastable solid solution--Crystal chemistry, superlattice architecture and bonding; thermochemistry and phase equilibria; natural occurrences, geochemistry and metallogenesis. Geoscience Reports of Shizuoka University, 20, 75-90.
    (2005) Idaite.Handbook of Mineralogy. Mineralogical Society of America

    Localities for IdaiteⓘCachoeiras de BingaMilesi et al. (2006)
    Antarctica
     
    El Gorsey et al. (1988)
    Argentina
     
    Minerales de la Republica Argentina+1 other referenceBrodtkorb et al. (1999)Singer et al. (2005)Brodtkorb (2002)American Mineralogist: 51: 1-13Brodtkorb (2002)Brodtkorb (2002)
    Atlantic Ocean
     
    Mozgova et al. (2007)Firstova et al. (2019)Mozgova et al. (2000)
    Australia
     
    McClatchie (1971)Gilligan et al. (1993)Gilligan et al. (1993)Ehrig et al. (2012)Annells (1981)
    Austria
     
    Huber et al. (1977)+1 other referencePaar et al. (1982)+1 other referenceTufar (1967)+1 other referenceHackenberg (2003)Tufar (1966)R.Poeverlein (2016)R.Poeverlein (2016)R.Poeverlein (2016)Vavtar (1986)Vohryzka (1968)+1 other reference
    Belgium
     
    Hatert et al. (2014)Michel Blondieau.+5 other referencesHatert (1996)+1 other reference
    Brazil
     
    Bello (1986)
    Bulgaria
     
    Bul. Acad. Sci. (1998)Bogdanov et al. (1997)Anthony et al. (1990)Cioacă et al. (2018)Terziev (1966)+1 other referenceMladenova et al. (2017)
    Canada
     
    Goble (1980)Goble (1980)- (n.d.)Badham et al. (1980)Wilson et al. (2013)Mineralium Deposita 44 (2009)Econ Geol (1994)
    Chile
     
    Singer et al. (2008)Cook (1978)"Faja de mineralización de oro+2 other referencesHENLEY et al. (2011)
    China
     
    Lin et al. (2002)Zhengqin Li (1991)Zhengqin Li (1991)
    Cyprus
     
    American Mineralogist (1975)+1 other reference
    DR Congo
     
    Deliens (1996)J. Cailteux (Shaba, République du Zaïre)
    Europe
     
    Ferenc et al. (2001)
    Fiji
     
    1996+5 other references
    Finland
     
    MutanenNurmi
    France
     
    Picot et al. (1977)Pélisson (1989)Pélisson (1989)Wittern et al. (1997)Cesbron et al. (1985)+1 other referenceChauris (2014)Pierrot et al. (1973)Chauris (2014)Azias (1968)Azias (1968)Briggs (1975)Briggs (1975)Pierrot et al. (France)Galvier et al. (1997)+1 other referenceR. PierrotR. PierrotR. PierrotR. PierrotR. PierrotR. PierrotR. PierrotR. PierrotA. Sinojmeri et al. (Hautes Alpes)R. PierrotR. Pierrot
    Germany
     
    Walenta (1992)Weiß (1990)Walenta (1992)Walenta (1992)Weiß (1990)Kopp et al. (2006)+1 other referenceWeiß (1990)Heider (2014)Wittern (2001)Krupp (1989)Wittern (2001)
    Hungary
     
    NAGY et al. (2000)Szakáll: Minerals of Rudabánya
    India
     
    Sikka et al. (1991)+1 other referenceTripathi et al. (2022)
    Indian Ocean
     
    Wang et al. (2018)Wang et al. (2014)
    Indonesia
     
    Econ Geol (1997)+1 other reference
    Italy
     
    Bedognè et al. (1993)- (n.d.)Venerandi Pirri (2002)Exel (1987)
    Japan
     
    - (n.d.)+1 other reference- (microprobe analysis of specimen field collected by Alfredo Petrov)Nagashima et al. (2021)
    Kazakhstan
     
    Baibatsha et al. (2015)+1 other referenceDuczmal-Czernikiewicz et al. (2021)
    Morocco
     
    S. Weiß: Lapis 31 (7/8)
    Namibia (TL)
     
    Frenzel (1958)Gebhard (1999)
    New Zealand
     
    Mason et al. (Zn)
    Norway
     
    Krause (1965)+1 other referenceProspektering AS (1981)Neumann (1985)Frenzel (1960)Cook et al. (2008)Dons (1963)Krause (1965)+1 other reference- (1997)Bergstøl et al. (1974)Witsø (1995)Witsø (1995)Geological Survey of Norway. The Ore ...Størseth (2016)Pinet et al. (1985)
    Pacific Ocean
     
    Econ Geol (1985)
    Papua New Guinea
     
    Noku et al. (2002)+1 other referenceEspi et al. (2005)+1 other reference
    Peru
     
    Weigeli (1994)+1 other reference
    Philippines
     
    Singer et al. (2008)Singer et al. (2008)
    Poland
     
    Mochnacka et al. (2012)+1 other referenceMochnacka et al. (2015)Mochnacka et al. (2015)Chmielewski et al. (2016)Kucha H. 2007: Mineralogia kruszcowa i ...Chmielewski et al. (2022)Manecki (Polish Geological Institute)
    Romania
     
    Constantinescu et al. (1982)+1 other reference
    Russia
     
    Konev et al. (1993)+2 other referencesKaneva et al. (2020)Andreeva et al. (2013)Savva et al. (2023)Ivashchenko et al. (2011, September)Gongalsky et al. (2019)
    Serbia
     
    Albrecht von Quadt et al. (2007)Aleksandar Pacevski (2007)
    Slovakia
     
    Ferenc Š. & Rojkovič I.Ďuďa et al. (1996)
    Sweden
     
    Pieslinger (2023)Carnegie Museum of Natural History ...Dobbe (1991)
    Switzerland
     
    Stalder et al. (1998)Schweizer StrahlerAnsermet (2012)Ansermet (2012)Ansermet (2012)Stalder et al. (1998)+1 other referenceAnsermet (2012)
    Turkey
     
    Oyman (2010)GÜNER (1980)Çağatay et al. (1989)Kilic et al. (2024)
    UK
     
    Ixer et al. (1993)+1 other referenceIxer et al. (2005)
    USA
     
    - (2008)USGS OFR 99-342- (2008)- (2008)- (2008)Merritt Stephen Enders (2000)Dunning et al. (2005)- (2005)Eckel et al. (1997)Eckel et al. (1997)Mines of the Washington D.C AreaThe Spar Lake Strata-Bound Cu-Ag Deposit Formed Across a Mixing Zone Between Trapped Natural Gas and Metals-Bearing Brine Econ Geol (1986)+1 other referenceNorthrop et al. (1996)Econ Geol (1986)
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