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 Haycock gave a brief description of the mineral, in an unpublished report, as a graduate student at Princeton in 1931.

Type Locality:

ⓘ Mooihoek Farm 255 KT, Lydenburg, Mpumalanga, South Africa

Talnakhite group

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Classification of HaycockiteHide

IMA status:

Approved

Approval Year:

1971

First Published:

1972

Strunz 8th ed.:

2/C.04-20

Nickel-Strunz 10th (pending) ed.:

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.

Dana 8th ed.:

2.9.8.2

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

Hey's CIM Ref.:

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:

Play	Recorded by	Country
	Jolyon & Katya Ralph	United 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

Elements listed:

Cu, Fe, S - search for minerals with similar chemistry

Common Impurities:

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 Å³ (Calculated from Unit Cell)

Morphology:

Grains to 500 microns

Twinning:

On {103} polysynthetic

Type Occurrence of HaycockiteHide

Type Locality:

ⓘ Mooihoek Farm 255 KT, Lydenburg, Mpumalanga, South Africa

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.

Download:

http://rruff.info/rruff_1.0/uploads/AM57_689.pdf

Synonyms of HaycockiteHide

IMA1971-028

Other Language Names for HaycockiteHide

German:Haycockit

Russian:Хейкокит

Spanish:Haycockita

Relationship of Haycockite to other SpeciesHide

Member of:

Talnakhite Group

Other Members of this group:

Mooihoekite	Cu₉Fe₉S₁₆	Tet.
Putoranite	Cu_1.1Fe_1.2S₂	Iso.
Talnakhite	Cu₉(Fe,Ni)₈S₁₆	Iso. 4 3m : I4 3m

Related Minerals - Nickel-Strunz Grouping Hide

2.CB.	Agmantinite	Ag₂MnSnS₄	Orth.
2.CB.05a	Coloradoite	HgTe	Iso. m3m (4/m 3 2/m)
2.CB.05a	Hawleyite	CdS	Iso. 4 3m : F4 3m
2.CB.05a	Metacinnabar	HgS	Iso. 4 3m : F4 3m
2.CB.05c	Polhemusite	(Zn,Hg)S	Tet.
2.CB.05b	Sakuraiite	(Cu,Zn,Fe)₃(In,Sn)S₄	Iso.
2.CB.05a	Sphalerite	ZnS	Iso. 4 3m : F4 3m
2.CB.05a	Stilleite	ZnSe
2.CB.05a	Tiemannite	HgSe	Iso. 4 3m : F4 3m
2.CB.05	UM1998-15-S:CuFeZn	Cu₂Fe₃Zn₅S₁₀
2.CB.05a	Rudashevskyite	(Fe,Zn)S	Iso. 4 3m : F4 3m
2.CB.10a	Chalcopyrite	CuFeS₂	Tet. 4 2m : I4 2d
2.CB.10a	Eskebornite	CuFeSe₂	Tet.
2.CB.10a	Gallite	CuGaS₂	Tet. 4 2m : I4 2d
2.CB.10a	Lenaite	AgFeS₂	Tet. 4 2m : I4 2d
2.CB.10b	Mooihoekite	Cu₉Fe₉S₁₆	Tet.
2.CB.10b	Putoranite	Cu_1.1Fe_1.2S₂	Iso.
2.CB.10a	Roquesite	CuInS₂	Tet. 4 2m : I4 2d
2.CB.10b	Talnakhite	Cu₉(Fe,Ni)₈S₁₆	Iso. 4 3m : I4 3m
2.CB.10a	Laforêtite	AgInS₂	Tet. 4 2m : I4 2d
2.CB.15a	Černýite	Cu₂(Cd,Zn,Fe)SnS₄	Tet. 4 2m : I4 2m
2.CB.15a	Ferrokësterite	Cu₂(Fe,Zn)SnS₄	Tet. 4 : I4
2.CB.15a	Hocartite	Ag₂(Fe²⁺,Zn)SnS₄	Tet. 4 2m : I4 2m
2.CB.15a	Idaite	Cu₅FeS₆	Hex.
2.CB.15a	Kësterite	Cu₂ZnSnS₄	Tet. 4 : I4
2.CB.15a	Kuramite	Cu₃SnS₄	Tet.
2.CB.15b	Mohite	Cu₂SnS₃	Mon.
2.CB.15a	Pirquitasite	Ag₂ZnSnS₄	Tet. 4 : I4
2.CB.15a	Stannite	Cu₂FeSnS₄	Tet. 4 2m : I4 2m
2.CB.15c	Stannoidite	Cu⁺₆Cu²⁺₂(Fe²⁺,Zn)₃Sn₂S₁₂	Orth.
2.CB.15a	Velikite	Cu₂HgSnS₄	Tet.
2.CB.15c	UM2006-11-S:CuFeGeZn	Cu₈(Fe,Zn)₃Ge₂S₁₂ (?)
2.CB.20	Chatkalite	Cu₆FeSn₂S₈	Tet. 4 2m : P4m2
2.CB.20	Mawsonite	Cu₆Fe₂SnS₈	Tet. 4 2m : P4m2
2.CB.30	Colusite	Cu₁₃VAs₃S₁₆	Iso. 4 3m : P4 3n
2.CB.30	Germanite	Cu₁₃Fe₂Ge₂S₁₆	Iso. 4 3m : P4 3n
2.CB.30	Germanocolusite	Cu₂₆V₂(Ge,As)₆S₃₂	Iso.
2.CB.30	Nekrasovite	Cu₂₆V₂(Sn,As,Sb)₆S₃₂	Iso.
2.CB.30	Stibiocolusite	Cu₁₃V(Sb,Sn,As)₃S₁₆	Iso.
2.CB.30	Ovamboite	Cu₂₀(Fe,Cu,Zn)₆W₂Ge₆S₃₂	Iso.
2.CB.30	Maikainite	Cu₂₀(Fe,Cu)₆Mo₂Ge₆S₃₂
2.CB.35a	Hemusite	Cu₆SnMoS₈	Iso.
2.CB.35a	Kiddcreekite	Cu₆SnWS₈	Iso. 4 3m : F4 3m
2.CB.35a	Polkovicite	(Fe,Pb)₃(Ge,Fe)_1-xS₄	Iso.
2.CB.35a	Renierite	(Cu¹⁺,Zn)₁₁Fe₄(Ge⁴⁺,As⁵⁺)₂S₁₆	Tet. 4 2m : P4 2c
2.CB.35a	Vinciennite	Cu⁺₇Cu²⁺₃Fe²⁺₂Fe³⁺₂Sn(As,Sb)S₁₆	Tet.
2.CB.35a	Morozeviczite	(Pb,Fe)₃Ge_1-xS₄	Iso.
2.CB.35b	Catamarcaite	Cu₆GeWS₈	Hex. 6mm : P6₃mc
2.CB.40	Lautite	CuAsS	Orth. mmm (2/m 2/m 2/m) : Pnma
2.CB.45	Cadmoselite	CdSe	Hex. 6mm : P6₃mc
2.CB.45	Greenockite	CdS	Hex. 6mm : P6₃mc
2.CB.45	Wurtzite	(Zn,Fe)S	Hex. 6mm : P6₃mc
2.CB.45	Rambergite	MnS	Hex. 6mm : P6₃mc
2.CB.45	Buseckite	(Fe,Zn,Mn)S	Hex. 6mm : P6₃mc
2.CB.55a	Cubanite	CuFe₂S₃	Orth. mmm (2/m 2/m 2/m)
2.CB.55b	Isocubanite	CuFe₂S₃	Iso. m3m (4/m 3 2/m) : Fm3m
2.CB.60	Picotpaulite	TlFe₂S₃	Orth. mmm (2/m 2/m 2/m) : Cmcm
2.CB.60	Raguinite	TlFeS₂	Orth.
2.CB.65	Argentopyrite	AgFe₂S₃	Mon. 2/m
2.CB.65	Sternbergite	AgFe₂S₃	Orth. mmm (2/m 2/m 2/m)
2.CB.70	Sulvanite	Cu₃VS₄	Iso.
2.CB.75	Vulcanite	CuTe	Orth.
2.CB.80	Empressite	AgTe	Orth. mmm (2/m 2/m 2/m)
2.CB.85	Muthmannite	AuAgTe₂	Mon. 2/m : P2/m

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

2.9.8.1	Talnakhite	Cu₉(Fe,Ni)₈S₁₆	Iso. 4 3m : I4 3m
2.9.8.3	Mooihoekite	Cu₉Fe₉S₁₆	Tet.

Related Minerals - Hey's Chemical Index of Minerals Grouping Hide

3.1.1	Chalcocite	Cu₂S	Mon. 2/m : P2₁/b
3.1.2	Djurleite	Cu₃₁S₁₆	Mon. 2/m
3.1.3	Digenite	Cu₉S₅	Trig. 3m (3 2/m) : R3m
3.1.4	Anilite	Cu₇S₄	Orth. mmm (2/m 2/m 2/m) : Pnma
3.1.5	Roxbyite	Cu₉S₅	Tric. 1 : P1
3.1.6	Spionkopite	Cu₃₉S₂₈	Trig.
3.1.7	Geerite	Cu₈S₅	Trig. 3
3.1.8	Covellite	CuS	Hex. 6/mmm (6/m 2/m 2/m) : P6₃/mmc
3.1.9	Berzelianite	Cu₂Se	Iso. m3m (4/m 3 2/m) : Fm3m
3.1.10	Bellidoite	Cu₂Se	Tet. 4/m : P4₂/n
3.1.11	Umangite	Cu₃Se₂	Tet.
3.1.12	Yarrowite	Cu₉S₈	Trig.
3.1.13	Athabascaite	Cu₅Se₄	Orth.
3.1.14	Klockmannite	CuSe	Hex. 6/mmm (6/m 2/m 2/m) : P6₃/mmc
3.1.15	Krut'aite	CuSe₂	Iso. m3 (2/m 3) : Pa3
3.1.16	Weissite	Cu_2-xTe	Hex.
3.1.17	Rickardite	Cu₇Te₅	Orth.
3.1.18	Vulcanite	CuTe	Orth.
3.1.19	Bambollaite	Cu(Se,Te)₂	Tet.
3.1.20	Lautite	CuAsS	Orth. mmm (2/m 2/m 2/m) : Pnma
3.1.21	Mgriite	Cu₃AsSe₃
3.1.22	Cubanite	CuFe₂S₃	Orth. mmm (2/m 2/m 2/m)
3.1.23	Bornite	Cu₅FeS₄	Orth. mmm (2/m 2/m 2/m) : Pbca
3.1.24	Fukuchilite	Cu₃FeS₈	Iso. m3 (2/m 3) : Pa3
3.1.25	Chalcopyrite	CuFeS₂	Tet. 4 2m : I4 2d
3.1.26	Mooihoekite	Cu₉Fe₉S₁₆	Tet.
3.1.28	Isocubanite	CuFe₂S₃	Iso. m3m (4/m 3 2/m) : Fm3m
3.1.29	Idaite	Cu₅FeS₆	Hex.
3.1.30	Nukundamite	Cu_3.4Fe_0.6S₄	Trig. 3m (3 2/m) : P3m1
3.1.31	Putoranite	Cu_1.1Fe_1.2S₂	Iso.
3.1.32	Orickite	2CuFeS₂ · H₂O	Hex.
3.1.33	Eskebornite	CuFeSe₂	Tet.
3.1.34	Chaméanite	(Cu,Fe)₄As(Se,S)₄	Iso.
3.1.35	Talnakhite	Cu₉(Fe,Ni)₈S₁₆	Iso. 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

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https://www.mindat.org/min-1837.html
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Raman and XRD data at RRUFF project

References and PDF downloads at RRUFF project

American Mineralogist Crystal Structure Database

Handbook of Mineralogy page PDF

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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 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 ⓘ Romache offset zone ?	Econ Geol (1976) 71:1515-1525

Japan
Honshu Island Chubu region Shizuoka Prefecture ⓘ Shibukawa	Onuki et al (1981) Ganseki-Koubutsu-Koshogaku Zasshi, 76, 372-375.

Mexico
Sonora Mun. de Moctezuma ⓘ Moctezuma	Lapis 2001(1), 11-40

Poland
Lesser Poland Kraków ⓘ Niedźwiedzia Góra quarry	Piestrzyński A., Skamra J., Marszałek M. 1999: Sulphide mineralization in diabases from Niedźwiedzia Góra near Cracow. Mineralogia Polonica, vol. 30, no. 2, 81-85
Lower Silesia Legnica Lubin District ⓘ Lubin	Kucha H. 2007: Mineralogia kruszcowa i geochemia ciała rudnego złoża Lubin-Sieroszowice. Biuletyn PIG, vol. 423, pp. 77-94
Podlaskie Suwałki District ⓘ Suwałki Massif	Nejbert K. 2008: Mineralogy of sulphides in mafic rocks of the Suwałki Anorthosite Massif, NE Poland. Mineralogia - Special Papers, vol. 32, p. 116
ⓘ Krzemianka	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 ⓘ Dzhaltul Mount	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 ⓘ Burakovskii Layered Complex	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 Lydenburg ⓘ Mooihoek Farm 255 KT (TL)	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 Bojanala Platinum District Rustenburg (Rustenburg District) Rustenburg Town & Townlands Mine ⓘ Townlands pipe	Economic Geology (1990) 85:537-555

USA
Minnesota ⓘ Duluth Gabbro	Anthony, Bideaux, Bladh, Nichols: "Handbook of Mineralogy", Vol. 1, 1990
St. Louis Co. Ely-Hoyt Lakes Area ⓘ Birch Lake Deposit	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

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Haycockite