UM1988-17-S:CuFe

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Formula:

Cu₇Fe₈S₁₆

Compositionally similar to chalcopyrite. Co-described with compositionally similar 'UM1988-18-S:CuFe', and also zincian chalcopyrite, 'zincian high cubanite', pyrite, marcasite, sphalerite, chalcopyrite, and cubanite, from cored metalliferous sediments.

Forms grains, 20 microns in size.

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Unique IdentifiersHide

Mindat ID:

51651

Long-form identifier:

mindat:1:1:51651:6

Similar NamesHide

UM1970-24-S:CuFe		(Fe,Cu)S
UM1970-25-S:CuFeH	A synonym of Ferrovalleriite
UM1974-16-Se:CoFe		(Co,Fe)S₂
UM1976-15-S:CuSe		Cu₄(S,Se)₃
UM1979-02-AsO:CuFe		Cu-Fe-Ca-As-Sb-O
UM1981-12-S:CoFe		~(Co,Fe)₄S₃
UM1983-12-S:CuFe		Cu₂FeS₃
UM1986-42-S:CuFe		Cu₂Fe₃S₅
UM1987-10-S:AgFe		Ag₂Fe₁₅S₂₀
UM1988-18-S:CuFe		Cu₅Fe₉S₁₄
UM1990-101-S:CuFeK	Valid as an unnamed mineral	KCu⁺₁₉Cu₁₈²⁺Fe₁₀²⁺S₃₈
UM1994-22-S:CuFe		CuFe₃S₄
UM2002-12-OS:CuFe	Valid as an unnamed mineral	~(Cu,Fe)SO ?
UM2003-19-S:CuFe	Valid as an unnamed mineral	(Cu_0.96K_0.04)(Fe_0.6Cu_0.4)(S_1.98O_0.02)

Optical Data of UM1988-17-S:CuFeHide

Colour in reflected light:

creamy yellow

Chemistry of UM1988-17-S:CuFeHide

Mindat Formula:

Cu₇Fe₈S₁₆

Element Weights:

Element	% weight
S	36.525 %
Fe	31.806 %
Cu	31.668 %

Calculated from ideal end-member formula.

Elements listed:

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

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 UM1988-17-S:CuFeHide

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References for UM1988-17-S:CuFeHide

Reference List:

Lebedev, L.M., Cherkashev, G.A., Tsepin, A.I. (1988) New data on the mineralogy of sulfide muds from the Atlantis II Deep, Red Sea. Doklady Akad. Nauk SSSR: 301: 1186-1190 (in Russian).

Jambor, John L., Vanko, David A. (1990) New Mineral Names. American Mineralogist, 75 (5-6) 706-713 p.711

Smith, D. G.W.; Nickel, E. H. (2007) A System of Codification for Unnamed Minerals: Report of the Subcommittee for Unnamed Minerals of the IMA Commission on New Minerals, Nomenclature and Classification. The Canadian Mineralogist, 45 (4). 983-990 doi:10.2113/gscanmin.45.4.983

Localities for UM1988-17-S:CuFeHide

Showing 1 localities.

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

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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.


Red Sea
ⓘ Atlantis II Deep	Lebedev et al. (1988) +1 other reference

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