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Haycockite

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Formula:
Cu4Fe5S8
Colour:
Brass yellow
Hardness:
Specific Gravity:
4.33 (Calculated)
Crystal System:
Orthorhombic
Name:
Named in honor of Maurice Hall Haycock (1 September 1900, Wolfville, Nova Scotia, Canada - 23 December 1988, Ottawa, Ontario, Canada), mineralogist and former head of the Mineralogy Section, Department of Energy, Mines and Resources, Ottawa, Ontario. Haycock gave a brief description of the mineral, in an unpublished report, as a graduate student at Princeton in 1931.
Talnakhite group


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Classification of HaycockiteHide

Approved
Approval Year:
1971
First Published:
1972
2.CB.10b

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.
2.9.8.2

2 : SULFIDES
9 : AmBnXp, with (m+n):p = 1:1
3.1.27

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

Pronounciation of HaycockiteHide

Pronounciation:
PlayRecorded byCountry
Jolyon & Katya RalphUnited Kingdom

Physical Properties of HaycockiteHide

Transparency:
Opaque
Colour:
Brass yellow
Comment:
Does not easily tarnish
Streak:
Black
Hardness:
4½ on Mohs scale
Hardness:
VHN100=206 - 231 kg/mm2 - Vickers
Density:
4.33 g/cm3 (Calculated)

Optical Data of HaycockiteHide

Type:
Anisotropic
Anisotropism:
Weak to moderate
Colour in reflected light:
Similar to chalcopyrite

Chemical Properties of HaycockiteHide

Formula:
Cu4Fe5S8
Common Impurities:
Ni

Crystallography of HaycockiteHide

Crystal System:
Orthorhombic
Class (H-M):
2 2 2 - Disphenoidal
Cell Parameters:
a = 10.705(5) Å, b = 10.734(5) Å, c = 31.630(15) Å
Ratio:
a:b:c = 0.997 : 1 : 2.947
Unit Cell V:
3,634.52 ų (Calculated from Unit Cell)
Z:
12
Morphology:
Grains to 500 microns
Twinning:
On {103} polysynthetic

Type Occurrence of HaycockiteHide

General Appearance of Type Material:
Massive, to 0.5 mm.
Place of Conservation of Type Material:
National Mineral Collection (10397), Ottawa, Ontario, Canada.
Royal Ontario Museum (M30992), Toronto, Ontario, Canada.
Princeton University, Princeton, N.J., USA.
Smithsonian Institution, Washington, D.C., USA.
Heidelberg University (No. 2313a), Tiffi
Geological Setting of Type Material:
Sulfide-poor hortonolite dunite
Reference:
Cabri, L.J. and Hall, S.R. (1972) Mooihoekite and haycockite, two new copper-iron sulfides and their relationship to chalcopyrite and talnakhite. American Mineralogist: 57: 689-708.

Synonyms of HaycockiteHide

Other Language Names for HaycockiteHide

Relationship of Haycockite to other SpeciesHide

Other Members of this group:
MooihoekiteCu9Fe9S16Tet.
PutoraniteCu1.1Fe1.2S2Iso.
TalnakhiteCu9(Fe,Ni)8S16Iso. 4 3m : I4 3m

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.05aTiemanniteHgSeIso. 4 3m : F4 3m
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.10aGalliteCuGaS2Tet. 4 2m : I4 2d
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.15aKësterite Cu2ZnSnS4Tet. 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.30ColusiteCu13VAs3S16Iso. 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

2.9.8.1TalnakhiteCu9(Fe,Ni)8S16Iso. 4 3m : I4 3m
2.9.8.3MooihoekiteCu9Fe9S16Tet.

Related Minerals - Hey's Chemical Index of Minerals GroupingHide

3.1.1ChalcociteCu2SMon. 2/m : P21/b
3.1.2DjurleiteCu31S16Mon. 2/m
3.1.3DigeniteCu9S5Trig. 3m (3 2/m) : R3m
3.1.4AniliteCu7S4Orth. mmm (2/m 2/m 2/m) : Pnma
3.1.5RoxbyiteCu9S5Tric. 1 : P1
3.1.6SpionkopiteCu39S28Trig.
3.1.7GeeriteCu8S5Trig. 3
3.1.8CovelliteCuSHex. 6/mmm (6/m 2/m 2/m) : P63/mmc
3.1.9BerzelianiteCu2SeIso. m3m (4/m 3 2/m) : Fm3m
3.1.10BellidoiteCu2SeTet. 4/m : P42/n
3.1.11UmangiteCu3Se2Tet.
3.1.12YarrowiteCu9S8Trig.
3.1.13AthabascaiteCu5Se4Orth.
3.1.14KlockmanniteCuSeHex. 6/mmm (6/m 2/m 2/m) : P63/mmc
3.1.15Krut'aiteCuSe2Iso. m3 (2/m 3) : Pa3
3.1.16WeissiteCu2-xTeHex.
3.1.17RickarditeCu7Te5Orth.
3.1.18VulcaniteCuTeOrth.
3.1.19BambollaiteCu(Se,Te)2Tet.
3.1.20LautiteCuAsSOrth. mmm (2/m 2/m 2/m) : Pnma
3.1.21MgriiteCu3AsSe3
3.1.22CubaniteCuFe2S3Orth. mmm (2/m 2/m 2/m)
3.1.23BorniteCu5FeS4Orth. mmm (2/m 2/m 2/m) : Pbca
3.1.24FukuchiliteCu3FeS8Iso. m3 (2/m 3) : Pa3
3.1.25ChalcopyriteCuFeS2Tet. 4 2m : I4 2d
3.1.26MooihoekiteCu9Fe9S16Tet.
3.1.28IsocubaniteCuFe2S3Iso. m3m (4/m 3 2/m) : Fm3m
3.1.29IdaiteCu5FeS6Hex.
3.1.30NukundamiteCu3.4Fe0.6S4Trig. 3m (3 2/m) : P3m1
3.1.31PutoraniteCu1.1Fe1.2S2Iso.
3.1.32Orickite2CuFeS2 · H2OHex.
3.1.33EskeborniteCuFeSe2Tet.
3.1.34Chaméanite(Cu,Fe)4As(Se,S)4Iso.
3.1.35TalnakhiteCu9(Fe,Ni)8S16Iso. 4 3m : I4 3m

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 HaycockiteHide

Reference List:
Sort by Year (asc) | by Year (desc) | by Author (A-Z) | by Author (Z-A)
Cabri, L.J. and Hall, S.R. (1972) Mooihoekite and haycockite, two new copper-iron sulfides and their relationship to chalcopyrite and talnakhite. American Mineralogist: 57: 689-708.
Rowland, J.F. and Hall, S.R. (1973) The crystal structure of haycockite, Cu4Fe5S8. American Mineralogist: 58: 1110 abstract????.
Rowland, J.F. and Hall, S.R. (1975) Haycockite, Cu4Fe5S8: a superstructure in the chalcopyrite series. Acta crystallographica: B31: 2105-2112.
Daltry, V.D.C. (1997) Mineralogy of South Africa: Type-Mineral Species and Type-Mineral Names, Council For Geoscience, Geological Survey of South Africa, Handbook 15: 114 pages.
Korzun, B.V., et al. (2012) Preparation, structural and Mossbauer investigations of haycockite, Cu4Fe5S8. Poster P09-P09, 18th International Conference on Ternary and Multinary Compounds, 27 -31 August 2012, Salzburg. [http://www.conventus.de/fileadmin/media/2012/ictmc/Posters.pdf]

Internet Links for HaycockiteHide

Localities for HaycockiteHide

ⓘ - 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.
Atlantic Ocean
 
  • Mid-Atlantic Ridge complex
Econ Geol (1976) 71:1515-1525
Japan
 
  • Honshu Island
    • Chubu region
      • Shizuoka Prefecture
Onuki et al (1981) Ganseki-Koubutsu-Koshogaku Zasshi, 76, 372-375.
Mexico
 
  • Sonora
    • Mun. de Moctezuma
Lapis 2001(1), 11-40
Poland
 
  • Lower Silesia
    • Legnica
      • Lubin District
Kucha H. 2007: Mineralogia kruszcowa i geochemia ciała rudnego złoża Lubin-Sieroszowice. Biuletyn PIG, vol. 423, pp. 77-94
  • Małopolskie
    • Kraków
Piestrzyński A., Skamra J., Marszałek M. 1999: Sulphide mineralization in diabases from Niedźwiedzia Góra near Cracow. Mineralogia Polonica, vol. 30, no. 2, 81-85
  • Podlaskie
    • Suwałki District
Nejbert K. 2008: Mineralogy of sulphides in mafic rocks of the Suwałki Anorthosite Massif, NE Poland. Mineralogia - Special Papers, vol. 32, p. 116
Kucha H. 1982: Haycockite and mooihoekite from titanomagnetite ore, Krzemianka, Poland. Mineralogia Polonica, vol. 13, no 2, 27-32.
Russia
 
  • Krasnoyarsk Krai
    • Taymyrskiy Autonomous Okrug
      • Kureika river
        • Dzheltul'skii massif
Shvedov, G. I., & Barkov, A. Y. (2015). Oulankaite, a Pd-rich stannosulphotelluride, and associated platinum-group minerals from the Dzhaltul microgabbroic intrusion, Krasnoyarskiy kray, Russia. Neues Jahrbuch für Mineralogie-Abhandlungen: Journal of Mineralogy and Geochemistry, 192(3), 229-237.
  • Republic of Karelia
    • Lake Onega
Grokhovskaya, T. L., Lapina, M. I., Ganin, V. A., & Grinevich, N. G. (2005). PGE mineralization in the Burakovsk Layered Complex, Southern Karelia, Russia. Geology of Ore Deposits C/C of Geologiia Rudnykh Mestorozhdenii, 47(4), 283.
South Africa (TL)
 
  • Mpumalanga Province
    • Eastern Bushveld Complex
      • Lydenburg
Cabri, L.J. & Hall, S.R. (1972) Mooihoekite and haycockite, two new copper-iron sulfides and their relationship to chalcopyrite and talnakhite. American Mineralogist 57, 689-708; Rowland, J.F. & Hall, S.R. (1973) The crystal structure of haycockite, Cu4Fe5S8. American Mineralogist, 58, 1110 abstract????; Rowland, J.F. & Hall, S.R. (1975) Haycockite, Cu4Fe5S8: a superstructure in the chalcopyrite series. Acta crystallographica B31, 2105-2112; Daltry, V.D.C., (1997) Mineralogy of South Africa: Type-Mineral Species and Type-Mineral Names, Council For Geoscience, Geological Survey of South Africa, Handbook 15.
  • North West Province
    • Bojanala Platinum District
      • Western Bushveld Complex
        • Rustenburg (Rustenburg District)
          • Rustenburg Town & Townlands Mine
Economic Geology (1990) 85:537-555
USA
 
  • Minnesota
Anthony, Bideaux, Bladh, Nichols: "Handbook of Mineralogy", Vol. 1, 1990
    • St. Louis Co.
      • Ely-Hoyt Lakes Area
Good, D., Borysenko, J., McBride, J., Walford, P., Smyk, M., Hollings, P., ... & Corkery, J. (2010) Cu-Ni-PGE Deposits in Mafic Intrusions of the Lake Superior Region June 24-30, 2010. 11th International Platinum Symposium
Mineral and/or Locality  
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