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Haycockite

A valid IMA mineral species
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About HaycockiteHide

01772370015489122767723.jpg
Maurice H. Haycock
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 Haycock gave a brief description of the mineral, in an unpublished report, as a graduate student at Princeton in 1931.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


Unique IdentifiersHide

Mindat ID:
1837
Long-form identifier:
mindat:1:1:1837:7
GUID
(UUID V4):
c8423604-17f7-4a12-b108-ccd3cc6a86b6

IMA Classification of HaycockiteHide

Classification of HaycockiteHide

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

Mineral SymbolsHide

As of 2021 there are now IMA–CNMNC approved mineral symbols (abbreviations) for each mineral species, useful for tables and diagrams.

SymbolSourceReference
HycIMA–CNMNCWarr, L.N. (2021). IMA–CNMNC approved mineral symbols. Mineralogical Magazine, 85(3), 291-320. doi:10.1180/mgm.2021.43

Pronunciation of HaycockiteHide

Pronunciation:
PlayRecorded byCountry
Jolyon 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

Anisotropism:
Weak to moderate
Reflectivity:
WavelengthR1R2
400nm13.9%13.5%
440nm18.3%19.4%
480nm25.1%26.8%
520nm31.0%32.5%
560nm35.1%36.1%
600nm37.8%38.3%
640nm39.2%39.4%
680nm39.8%39.7%
700nm40.0%39.8%

Reflectance graph
Graph shows reflectance levels at different wavelengths (in nm). Top of box is 100%. Peak reflectance is 40.0%.
R1 shown in black, R2 shown in red
Colour in reflected light:
Brass-yellow, Similar to chalcopyrite

Chemistry of HaycockiteHide

Mindat 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
Comment:
Space Group: P222, P2221, P21212, or P212121.

Crystal StructureHide

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IDSpeciesReferenceLinkYearLocalityPressure (GPa)Temp (K)
0009539HaycockiteRowland J F, Hall S R (1975) Haycockite, Cu4Fe5S8: a superstructure in the chalcopyrite series Acta Crystallographica B31 2105-21121975Lydenburg District, Transvaal, South Africa0293
CIF Raw Data - click here to close

X-Ray Powder DiffractionHide

Powder Diffraction Data:
d-spacingIntensity
3.07 Å(100)
1.876 Å(80)
1.889 Å(60)
1.612 Å(60)
1.089 Å(60)
0.937 Å(60)
1.214 Å(50)

Geological EnvironmentHide

Paragenetic Mode(s):
Paragenetic ModeEarliest Age (Ga)
Stage 3b: Earth’s earliest hydrosphere>4.45
15 : Black/white smoker minerals and other seafloor hydrothermal minerals
High-𝑇 alteration and/or metamorphism
33 : Minerals deposited by hydrothermal metal-rich fluids (see also [#12])
Stage 4b: Highly evolved igneous rocks>3.0
37 : Layered igneous intrusions and related PGE minerals

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. 4 2m : P4 2m
PutoraniteCu1.1Fe1.2S2Iso. m3m (4/m 3 2/m) : Pn3m
TalnakhiteCu9(Fe,Ni)8S16Iso. 4 3m : I4 3m

Common AssociatesHide

Associated Minerals Based on Photo Data:
1 photo of Haycockite associated with CalciteCaCO3
1 photo of Haycockite associated with MooihoekiteCu9Fe9S16

Related Minerals - Strunz-mindat GroupingHide

2.CB.AgmantiniteAg2MnSnS4Orth.
2.CB.RichardsiteZn2CuGaS4Tet. 4 2m : I4 2m
2.CB.GachingiteAu(Te1-xSex)Orth. mmm (2/m 2/m 2/m)
2.CB.TolstykhiteAu3S4Te6Tric. 1 : P1
2.CB.HanswilkeiteKFeS2Mon. 2/m : B2/b
2.CB.AuroselenideAuSeMon. 2/m : B2/m
2.CB.Ruizhongite(Ag2◻)Pb3Ge2S8Iso. 4 3m : I4 3d
2.CB.OkruginiteCu2SnSe3Mon. m : Bb
2.CB.05aColoradoiteHgTeIso. 4 3m : F4 3m
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.05aStilleiteZnSeIso. 4 3m : F4 3m
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.05aIshiharaite(Cu,Ga,Fe,In,Zn)SIso. 4 3m : F4 3m
2.CB.07aShenzhuangiteNiFeS2Tet. 4 2m : I4 2d
2.CB.07aUnnamed (Cu-Mn-Sn Sulpide)Cu2MnSnS4
2.CB.10aChalcopyriteCuFeS2Tet. 4 2m : I4 2d
2.CB.10aEskeborniteCuFeSe2Tet. 4 2m : P4 2c
2.CB.10aGalliteCuGaS2Tet. 4 2m : I4 2d
2.CB.10aLenaiteAgFeS2Tet. 4 2m : I4 2d
2.CB.10bMooihoekiteCu9Fe9S16Tet. 4 2m : P4 2m
2.CB.10bPutoraniteCu1.1Fe1.2S2Iso. m3m (4/m 3 2/m) : Pn3m
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.10aUnnamed (Cu-Zn-In Sulphide)CuZn2InS4
2.CB.10aUM1984-30-S:CuFeSnCu2Fe2Sn3S7
2.CB.10cOmariniiteCu8Fe2ZnGe2S12Orth. 2 2 2 : I2 2 2
2.CB.15aČernýiteCu2(Cd,Zn,Fe)SnS4Tet. 4 2m : I4 2m
2.CB.15aFerrokësteriteCu2FeSnS4Tet. 4 : I4
2.CB.15aHocartiteAg2(Fe2+,Zn)SnS4Tet. 4 2m : I4 2m
2.CB.15aIdaiteCu5FeS6Hex.
2.CB.15aKësterite Cu2ZnSnS4Tet. 4 : I4
2.CB.15aKuramiteCu3SnS4Tet. 4 2m : I4 2m
2.CB.15bMohiteCu2SnS3Mon.
2.CB.15aPirquitasiteAg2ZnSnS4Tet. 4 : I4
2.CB.15aStanniteCu2FeSnS4Tet. 4 2m : I4 2m
2.CB.15cStannoiditeCu+6Cu2+2(Fe2+,Zn)3Sn2S12Orth. 2 2 2 : I2 2 2
2.CB.15aVelikiteCu2HgSnS4Tet. 4 : I4
2.CB.15cUM2006-11-S:CuFeGeZnCu8(Fe,Zn)3Ge2S12 (?)
2.CB.17a vArsenic-bearing RenieriteCu11GeAsFe4S16
2.CB.20ChatkaliteCu6FeSn2S8Tet. 4 2m : P4m2
2.CB.20MawsoniteCu6Fe2SnS8Tet. 4 2m : P4m2
2.CB.30Argyropyritenear Ag2Fe7S11
2.CB.30ColusiteCu13VAs3S16Iso. 4 3m : P4 3n
2.CB.30GermaniteCu13Fe2Ge2S16Iso. 4 3m : P4 3n
2.CB.30GermanocolusiteCu26V2(Ge,As)6S32Iso. 4 3m : P4 3m
2.CB.30NekrasoviteCu26V2(Sn,As,Sb)6S32Iso. 4 3m : P4 3n
2.CB.30StibiocolusiteCu13V(Sb,Sn,As)3S16Iso. 4 3m : P4 3m
2.CB.30Ovamboite Cu20(Fe,Cu,Zn)6W2Ge6S32Iso. 4 3m : P4 3n
2.CB.30MaikainiteCu20(Fe,Cu)6Mo2Ge6S32Iso. m3m (4/m 3 2/m)
2.CB.30FrieseiteAg2Fe5S8 (?)
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.42LingbaoiteAgTe3Trig. 3m : R3m
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.45MaletoyvayamiteAu3Se4Te6Tric. 1 : P1
2.CB.47MurchisiteCr5S6Trig. 3m (3 2/m) : P3 1c
2.CB.50ZincselenideZnSe
2.CB.50WassoniteTiSTrig. 3m (3 2/m) : R3m
2.CB.52DzhezkazganiteReMoCu2PbS6 ?Trig. 3m : R3m
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. 4 3m : P4 3m
2.CB.75VulcaniteCuTeOrth. mmm (2/m 2/m 2/m)
2.CB.80EmpressiteAgTeOrth. mmm (2/m 2/m 2/m)
2.CB.85MuthmanniteAuAgTe2Mon. 2/m : P2/m

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.

Internet Links for HaycockiteHide

References for HaycockiteHide

Localities for HaycockiteHide

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 references and 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 (e.g. from pseudomorphs).

All localities listed without proper references should be considered as questionable.
Atlantic Ocean
 
  • Mid-Atlantic Ridge complex
Bonatti et al. (1976)
Chile
 
  • Araucanía
    • Cautín Province
Schira et al. (1990)
Cyprus
 
  • Nicosia District
    • Apliki
Antivachis (2015)
Iceland
 
  • Northeastern Region
    • Þingeyjarsveit
      • Skútustaðahreppur
        • Myvatn
Lévy et al. (2019)
India
 
  • Rajasthan
    • Bhilwara District
Khan et al. (2021)
    • Jaipur district
      • Sikar District
        • Khetri
Ahmed et al. (2018)
Iran
 
  • Isfahan Province
    • Aran and Bidgol County
      • Veshnaveh
Nezafati et al. (2017)
Japan
 
  • Shizuoka Prefecture
Onuki et al (1981)
Mexico
 
  • Sonora
    • Moctezuma Municipality
Lapis 2001 (1)
Poland
 
  • Lesser Poland Voivodeship
    • Kraków County
      • Gmina Krzeszowice
Piestrzyński A.
  • Lower Silesian Voivodeship
Piestrzyński et al. (2012)
    • Lubin County
Kucha H. 2007: Mineralogia kruszcowa i ...
  • Podlaskie Voivodeship
    • Suwałki County
Nejbert K. 2008: Mineralogy of ...
Kucha H. 1982: Haycockite and ...
Russia
 
  • Krasnoyarsk Krai
    • Taymyrsky Dolgano-Nenetsky District
      • Kureika river
        • Dzheltul'skii massif (Dzhaltul)
Shvedov et al. (2015)
  • Republic of Karelia
Grokhovskaya et al. (2005)
  • Zabaykalsky Krai
    • Gazimuro-Zavodsky District
Kovalev et al. (2019)
South Africa (TL)
 
  • Limpopo
    • Sekhukhune District Municipality
      • Fetakgomo Tubatse Local Municipality
        • Burgersfort
Cabri et al. (1972) +3 other references
        • Steelpoort
Oberthür et al. (2021)
  • North West
    • Bojanala Platinum District Municipality
      • Rustenburg Local Municipality
        • Rustenburg
          • Rustenburg Town & Townlands Farm
genetic implications. Economic Geology: ... +1 other reference
USA
 
  • Minnesota
Anthony et al. (1990)
    • St. Louis County
      • Ely-Hoyt Lakes Area
Good et al. (2010)
 
矿物 and/or 产地  
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