Jacutingaite (original) (raw)

A valid IMA mineral species

About JacutingaiteHide

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Name:

The mineral is named after the specular-hematite-rich vein-type mineralization locally known as “jacutinga”, in which it occurs.

Unique IdentifiersHide

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Long-form identifier:

mindat:1:1:41903:7

332de965-35c7-440e-9ba4-d3a4e33783eb

IMA Classification of JacutingaiteHide

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Type description reference:

Vymazalova, A., Laufek, F., Drabek, M., Cabral, A. R., Haloda, J., Sidorinova, T., Lehmann, B., Galbiatti, H. F., Drahokoupil, J. (2012) JACUTINGAITE, Pt2HgSe3, A NEW PLATINUM-GROUP MINERAL SPECIES FROM THE CAUE IRON-ORE DEPOSIT, ITABIRA DISTRICT, MINAS GERAIS, BRAZIL. The Canadian Mineralogist, 50 (2) 431-440 doi:10.3749/canmin.50.2.431

Classification of JacutingaiteHide

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2.CC.45

2 : SULFIDES and SULFOSALTS (sulfides, selenides, tellurides; arsenides, antimonides, bismuthides; sulfarsenites, sulfantimonites, sulfbismuthites, etc.)
C : Metal Sulfides, M: S = 1: 1 (and similar)
C : With Ni, Fe, Co, PGE, etc.

Mineral SymbolsHide

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

Physical Properties of JacutingaiteHide

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Hardness:

VHN10=169 kg/mm2 - Vickers

Comment:

On synthetic material

Optical Data of JacutingaiteHide

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Anisotropism:

Weak to distinct.

Bireflectance:

Moderate to distinct.

Reflectivity:

Graph shows reflectance levels at different wavelengths (in nm). Top of box is 100%. Peak reflectance is 51.1%.
R1 shown in black, R2 shown in red

Colour in reflected light:

Light grey.

Internal Reflections:

None.

Comments:

Bluish grey to rusty brown.

Chemistry of JacutingaiteHide

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Crystallography of JacutingaiteHide

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Class (H-M):

3_m_ _(_32/m ) - Hexagonal Scalenohedral

Cell Parameters:

a = 7.3477(2) Å, c = 5.2955(1) Å

Unit Cell V:

247.59 ų (Calculated from Unit Cell)

X-Ray Powder DiffractionHide

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Powder Diffraction Data:

Geological EnvironmentHide

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Type Occurrence of JacutingaiteHide

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General Appearance of Type Material:

Place of Conservation of Type Material:

GeoMuseum, Technical University of Clausthal, Germany, cat. no. 26580.

Geological Setting of Type Material:

iron ore deposit specular-hematite-rich vein-type mineralization

Associated Minerals at Type Locality:

Reference:

Vymazalová, A., Laufek, F., Drábek, M., Cabral, A.R., Haloda, J., Sidorinová, T., Lehmann, B., Galbiatti, H.F., Drahokoupil, J. (2012) Jacutingaite, Pt2HgSe3, a new platinum-group mineral species from the Cauê iron-ore deposit, Itabira district, Minas Gerais, Brazil. The Canadian Mineralogist: 50(2): 431-440.

Synonyms of JacutingaiteHide

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Common AssociatesHide

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Associated Minerals Based on Photo Data:

Related Minerals - Strunz-mindat GroupingHide

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Other InformationHide

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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 JacutingaiteHide

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References for JacutingaiteHide

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Reference List:

Cabral, A. R., Galbiatti, H. F., Kwitko-Ribeiro, R., Lehmann, B. (2008) Platinum enrichment at low temperatures and related microstructures, with examples of hongshiite (PtCu) and empirical ‘Pt2HgSe3’ from Itabira, Minas Gerais, Brazil. Terra Nova, 20 (1). 32-37 doi:10.1111/j.1365-3121.2007.00783.x

Laufek, F., Vymazalova, A., Drabek, M., Drahokoupil, J. (2011) Synthetic analogues of naturally occurring Pt2HgSe3 and Pd2HgSe3 phases: Crystal structure stud. Joint Meeting of the DGK, DMG and ÖMG, Salzburg, Austria, , Salzburg, Austria. 104-105

Vymazalova, A., Laufek, F., Drabek, M., Cabral, A. R., Haloda, J., Sidorinova, T., Lehmann, B., Galbiatti, H. F., Drahokoupil, J. (2012) JACUTINGAITE, Pt2HgSe3, A NEW PLATINUM-GROUP MINERAL SPECIES FROM THE CAUE IRON-ORE DEPOSIT, ITABIRA DISTRICT, MINAS GERAIS, BRAZIL. The Canadian Mineralogist, 50 (2) 431-440 doi:10.3749/canmin.50.2.431

Laufek, F., Vymazalová, A., Drábek, M., Drahokoupil, J. (2012) Crystal Structure Study of Jacutingaite (Pt2hgse3) and Tischendorfite (Pd8Hg3Se9) Joint 5th Mineral Sciences in the Carpathians Conference and 3rd Central-European Mineralogical Conference , 7. Acta Mineralogica-Petrographica. University of Miskolc, Miskolc, Hungary. 77-78

Vymazalova, A., Laufek, F., Drabek, M., Cabral, A. R., Haloda, J., Sidorinova, T., Lehmann, B., Galbiatti, H. F., Drahokoupil, J. (2012) JACUTINGAITE, Pt2HgSe3, A NEW PLATINUM-GROUP MINERAL SPECIES FROM THE CAUE IRON-ORE DEPOSIT, ITABIRA DISTRICT, MINAS GERAIS, BRAZIL. The Canadian Mineralogist, 50 (2) 431-440 doi:10.3749/canmin.50.2.431

Longuinhos, Raphael, Vymazalová, Anna, Cabral, Alexandre R., Alexandre, Simone S., Nunes, Ricardo W., Ribeiro‐Soares, Jenaina (2020) Raman spectrum of layered jacutingaite (Pt 2 HgSe 3 ) crystals—Experimental and theoretical study. Journal of Raman Spectroscopy, 51 (2). 357-365 doi:10.1002/jrs.5764

Localities for JacutingaiteHide

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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

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- 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.