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UM2001-18-Si:CuPtSn

Valid as an unnamed mineral

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Formula:

(Cu,Pt)₄Si

Found as sub 3 micron grains in a cobalt-manganese crust from a guyot of the Mid-Pacific rise in the Pacific Ocean.

"Apatite" and goethite are dominant in a heavy mineral concentrate derived from the above. Other associates include baryte and some oxides and sulfides, and PGE minerals like rustenburgite.

EPMA data corresponds to: (Cu_3.14-3.35Pt_0.61-0.68Fe_0.05-0.18Mn_0.04-0.05)_Σ4.04-4.06Si_0.95-0.96.

Note: an additional mineral, of the ideal composition (Cu,Pt)₅Si, or empirically (Cu_3.51Pt_0.63Fe_0.50Sn_0.22Ni_0.09Mn_0.04Ag_0.04)_Σ5.03Si_0.9, is also reported in the original description (but not in the Valid Unnamed Minerals list of the IMA).

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Unique IdentifiersHide

Mindat ID:

10323

Long-form identifier:

mindat:1:1:10323:3

GUID
(UUID V4):

615d0db5-752f-48b2-9b6c-cae8082e9038

Classification of UM2001-18-Si:CuPtSnHide

IMA status notes:

Unnamed (probably valid)

Approval history:

Unnamed, and probably invalid.

Strunz-mindat (2023):

1.BB.10

1 : ELEMENTS (Metals and intermetallic alloys; metalloids and nonmetals; carbides, silicides, nitrides, phosphides)
B : Metallic Carbides, Silicides, Nitrides, Phosphides and Hydrides
B : Silicides

Chemical Properties of UM2001-18-Si:CuPtSnHide

Formula:

(Cu,Pt)₄Si

Elements listed:

Cu, Pt, Si - search for minerals with similar chemistry

Synonyms of UM2001-18-Si:CuPtSnHide

UM2001-18

Related Minerals - Strunz-mindat Grouping Hide

1.BB.	Zangboite	TiFeSi₂	Orth. mmm (2/m 2/m 2/m) : Pbam
1.BB.	Brownleeite	MnSi	Iso. 2 3 : P2₁ 3
1.BB.	Kangjinlaite	Ti₁₁Si₁₀	Tet. 4/mmm (4/m 2/m 2/m) : I4/mmm
1.BB.	Toledoite	TiFeSi	Orth. mm2 : Ima2
1.BB.	Yeite	TiSi	Orth. mmm (2/m 2/m 2/m) : Pnma
1.BB.05	Suessite	(Fe,Ni)₃Si	Iso. m3m (4/m 3 2/m) : Im3m
1.BB.05	Mavlyanovite	Mn₅Si₃	Hex. 6/mmm (6/m 2/m 2/m) : P6₃/mcm
1.BB.10	Perryite	(Ni,Fe)₅(Si,P)₂	Trig. 3m : R3c
1.BB.15	Naquite	FeSi	Iso. 2 3 : P2₁ 3
1.BB.20	Linzhiite	FeSi₂	Tet. 4/mmm (4/m 2/m 2/m) : P4/mmm
1.BB.25	Luobusaite	Fe_0.84Si₂	Orth. mmm (2/m 2/m 2/m) : Cmca
1.BB.30	Gupeiite	Fe₃Si	Iso. m3m (4/m 3 2/m) : Fm3m
1.BB.35	Hapkeite	Fe₂Si	Iso. m3m (4/m 3 2/m) : Pm3m
1.BB.40	Xifengite	Fe₅Si₃	Hex. 6/mmm (6/m 2/m 2/m) : P6₃/mcm
1.BB.45	Carletonmooreite	Ni₃Si	Iso. m3m (4/m 3 2/m) : Pm3m
1.BB.55	Palladosilicide	Pd₂Si	Hex. 6 m2 : P6₂m
1.BB.65	Zhiqinite	TiSi₂	Orth. mmm (2/m 2/m 2/m) : Fddd

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 UM2001-18-Si:CuPtSnHide

Reference List:

Rudashevskii, N.S., Kretser, Yu.L., Anikeeva, L.I., Andreev, S.I., Torokhov, M.P., Kazakova, V.E. (2001): Platinum minerals in oceanic ferromanganese crusts. Doklady Earth Sci.: 378(4): 464–467; in: Jambor, J.L., Kovalenker, V.A., Roberts, A.C. (2002): New mineral names. Am. Mineral.: 87: 182

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. Can. Mineral.: 45: 983-1055 (2012 Update); http://nrmima.nrm.se (2016)

Localities for UM2001-18-Si:CuPtSnHide

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.

Pacific Ocean

Mid-Pacific Rise

ⓘ 19N 175W

Rudashevskii, N.S., Kretser, Yu.L., Anikeeva, L.I., Andreev,, S.I., Torokhov, M.P., Kazakova, V.E. (2001) Platinum minerals in oceanic ferromanganese crusts. Doklady Earth Sciences: 378(4): 464–467.

Jambor, J.L., Grew, E.S., Roberts, A.C. (2002) New mineral names. American Mineralogist: 87: 181-184 (182).

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