Haycockite
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Formula:
Cu4Fe5S8
Colour:
Brass yellow
Hardness:
4½
Specific Gravity:
4.33 (Calculated)
Crystal System:
Orthorhombic
Member of:
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 Haycock gave a brief description of the mineral, in an unpublished report, as a graduate student at Princeton in 1931.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
Classification of Haycockite
Approved
Approval year:
1971
First published:
1972
2/C.04-20
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 : 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
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
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 Haycockite
Pronounciation:
Play | Recorded by | Country |
---|---|---|
Jolyon & Katya Ralph | United Kingdom |
Physical Properties of Haycockite
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 Haycockite
Anisotropism:
Weak to moderate
Colour in reflected light:
Similar to chalcopyrite
Chemical Properties of Haycockite
Formula:
Cu4Fe5S8
Elements listed:
Common Impurities:
Ni
Crystallography of Haycockite
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
Crystal Structure
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Data courtesy of the American Mineralogist Crystal Structure Database. Click on an AMCSD ID to view structure
ID | Species | Reference | Link | Year | Locality | Pressure (GPa) | Temp (K) |
---|---|---|---|---|---|---|---|
0009539 | Haycockite | Rowland J F, Hall S R (1975) Haycockite, Cu4Fe5S8: a superstructure in the chalcopyrite series Acta Crystallographica B31 2105-2112 | ![]() | 1975 | Lydenburg District, Transvaal, South Africa | 0 | 293 |
CIF Raw Data - click here to close
Type Occurrence of Haycockite
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
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 Haycockite
Other Language Names for Haycockite
Relationship of Haycockite to other Species
Member of:
Other Members of this group:
Mooihoekite | Cu9Fe9S16 | Tet. |
Putoranite | Cu1.1Fe1.2S2 | Iso. |
Talnakhite | Cu9(Fe,Ni)8S16 | Iso. 4 3m : I4 3m |
Related Minerals - Nickel-Strunz Grouping
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 | Iso. 4 3m : F4 3m |
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 | Cu1.1Fe1.2S2 | 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 | Cu2FeSnS4 | 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. 4 3m : P4 3m |
2.CB.30 | Nekrasovite | Cu26V2(Sn,As,Sb)6S32 | Iso. |
2.CB.30 | Stibiocolusite | Cu13V(Sb,Sn,As)3S16 | Iso. 4 3m : P4 3m |
2.CB.30 | Ovamboite | Cu20(Fe,Cu,Zn)6W2Ge6S32 | Iso. |
2.CB.30 | Maikainite | Cu20(Fe,Cu)6Mo2Ge6S32 | Iso. m3m (4/m 3 2/m) |
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)3Ge1-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. 4 3m : P4 3m |
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.)
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
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 | Cu2-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 | Iso. m3m (4/m 3 2/m) |
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 | Cu3.33Fe0.66S4 | Trig. 3m (3 2/m) : P3m1 |
3.1.31 | Putoranite | Cu1.1Fe1.2S2 | 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 Information
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 Haycockite
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 Haycockite
mindat.org URL:
https://www.mindat.org/min-1837.html
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Localities for Haycockite
Locality List




All localities listed without proper references should be considered as questionable.
Atlantic Ocean | |
| Econ Geol (1976) 71:1515-1525 |
Cyprus | |
| Antivachis, D.N. (2015) The geology of the northern part of the apliki Cyprus-type ore deposit. Bulletin of the Geological Society of Greece, vol. XLIX, 4 - 28. |
India | |
| Ahmed, M., Shaif, M., Siddiquie, F. N., & Khan, R. (2018). Mode of Occurrence and Mineralogy of Northern Khetri Copper Deposits, Jhunjhunu District, Rajasthan. Natural Resources, 2018, 9, 389-403 |
Japan | |
| Onuki et al (1981) Ganseki-Koubutsu-Koshogaku Zasshi, 76, 372-375. |
Mexico | |
| Lapis 2001(1), 11-40 |
Poland | |
| Piestrzyński A., Skamra J., Marszałek M. 1999: Sulphide mineralization in diabases from Niedźwiedzia Góra near Cracow. Mineralogia Polonica, vol. 30, no. 2, 81-85 |
| Piestrzyński, A., & Pieczonka, J. (2012). Low temperature ore minerals associations in the Kupferschiefer type deposit, Lubin–Sieroszowice mining district, SW Poland. Мінералогічний збірник, (2), 59-66. |
| Kucha H. 2007: Mineralogia kruszcowa i geochemia ciała rudnego złoża Lubin-Sieroszowice. Biuletyn PIG, vol. 423, pp. 77-94 |
| 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 | |
| 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. |
| 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) | |
| 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. |
| Economic Geology (1990) 85:537-555 |
USA | |
| Anthony, Bideaux, Bladh, Nichols: "Handbook of Mineralogy", Vol. 1, 1990 |
| 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 |