Named for the Kitagoha river, one of the many platiniferous rivers in the Lubero region. The name Kitogoha probably comes from ‘kitahuha’, which in the local Bantu language means ‘the river that does not make noise’.

Type Locality:

ⓘ Kitagoha river, Lubero Territory, North Kivu, DR Congo

Known synthetic analogue.

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Unique IdentifiersHide

Mindat ID:

46059

Long-form identifier:

mindat:1:1:46059:0

IMA Classification of KitagohaiteHide

IMA status:

Approved

Approval year:

2013

First published:

2014

Type description reference:

Cabral, A. R., Skála, R., Vymazalová, A., Kallistová, A., Lehmann, B., Jedwab, J., Sidorinová, T. (2014) Kitagohaite, Pt₇Cu, a new mineral from the Lubero region, North Kivu, Democratic Republic of the Congo. Mineralogical Magazine, 78 (3) 739-745 doi:10.1180/minmag.2014.078.3.19

Classification of KitagohaiteHide

Strunz-mindat (2026):

1.A0.

1 : ELEMENTS (Metals and intermetallic alloys; metalloids and nonmetals; carbides, silicides, nitrides, phosphides)
A : Metals and Intermetallic Alloys
0 :

Mineral SymbolsHide

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

Symbol	Source	Reference for Standard
Kgh	IMA–CNMNC	Warr, L.N. (2021). IMA–CNMNC approved mineral symbols. Mineralogical Magazine, 85(3), 291-320. doi:10.1180/mgm.2021.43

Physical Properties of KitagohaiteHide

Lustre:

Metallic

Transparency:

Opaque

Colour:

Greyish white

Streak:

Grey

Hardness:

3½ on Mohs scale

Hardness:

VHN₁₀₀=206 - 237 kg/mm² - Vickers

Tenacity:

Malleable

Cleavage:

None Observed

Parting:

None observed

Density:

19.958(2) g/cm³ (Calculated)

Optical Data of KitagohaiteHide

Reflectivity:

Wavelength	R₁ (%)
400nm	58.5%
470nm	63.2%
546nm	66.6%
589nm	68.2%
650nm	70.1%
700nm	71.4%

Graph shows reflectance levels at different wavelengths (in nm). Peak reflectance is 71.4%.

Colour in reflected light:

White

Chemistry of KitagohaiteHide

Mindat Formula:

Pt₇Cu

Element Weights:

Element	% weight
Pt	95.554 %
Cu	4.447 %

Calculated from ideal end-member formula.

Elements listed:

Cu, Pt - search for minerals with similar chemistry

Crystallography of KitagohaiteHide

Crystal System:

Isometric

Class (H-M):

m3m(4/m32/m) - Hexoctahedral

Cell Parameters:

a = 7.7867(4) Å

Unit Cell V:

472.57 Å³

Morphology:

Alluvial grains

Comment:

Fm3¯ m

Crystal StructureHide

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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)
0020481	Kitagohaite	Cabral A R, Skala R, Vymazalova A, Kallistova A, Lehmann B, Jedwab J, Sidorinova T (2014) Kitagohaite, Pt7Cu, a new mineral from the Lubero region, North Kivu, Democratic Republic of the Congo Mineralogical Magazine 78 739-745		2014	Lubero region, North Kivu, Congo	0	293

CIF Raw Data - click here to close

data_global
_chemical_name_mineral 'Kitagohaite'
loop_
_publ_author_name
'Cabral A R'
'Skala R'
'Vymazalova A'
'Kallistova A'
'Lehmann B'
'Jedwab J'
'Sidorinova T'
_journal_name_full 'Mineralogical Magazine'
_journal_volume 78 
_journal_year 2014
_journal_page_first 739
_journal_page_last 745
_publ_section_title
;
 Kitagohaite, Pt7Cu, a new mineral from the Lubero region, North Kivu,
 Democratic Republic of the Congo
;
_database_code_amcsd 0020481
_chemical_compound_source 'Lubero region, North Kivu, Congo'
_chemical_formula_sum 'Pt7 Cu'
_cell_length_a 7.7891
_cell_length_b 7.7891
_cell_length_c 7.7891
_cell_angle_alpha 90
_cell_angle_beta 90
_cell_angle_gamma 90
_cell_volume 472.565
_exptl_crystal_density_diffrn     20.087
_symmetry_space_group_name_H-M 'F m -3 m'
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loop_
_atom_site_label
_atom_site_fract_x
_atom_site_fract_y
_atom_site_fract_z
Pt1   0.50000   0.50000   0.50000
Pt2   0.00000   0.25000   0.25000
Cu   0.00000   0.00000   0.00000

X-Ray Powder DiffractionHide

Powder Diffraction Data:

d-spacing	Intensity
3.871 Å	(3)
2.348 Å	(3)
2.246 Å	(100)
1.948 Å	(8)
1.377 Å	(77)
1.174 Å	(27)
1.123 Å	(31)
0.893 Å	(13)

Locality:

Kitagoha river, Lubero Territory, North Kivu, DR Congo

Reference:

Comments:

From Type Description.

Geological EnvironmentHide

Paragenetic Mode(s):

Paragenetic Mode	Earliest Age (Ga)
Stage 3a: Earth’s earliest Hadean crust	>4.50
7 : Ultramafic igneous rocks
Near-surface Processes
26 : Hadean detrital minerals

Type Occurrence of KitagohaiteHide

Type Locality:

ⓘ Kitagoha river, Lubero Territory, North Kivu, DR Congo

General Appearance of Type Material:

Alluvial grains recovered together with other Pt-rich intermetallic compounds and Au.

Place of Conservation of Type Material:

Type material is deposited in the collections of ‘‘Geosammlung’’, Technical University of Clausthal, D-38678 Clausthal-Zellerfeld, Germany, catalogue number 11331

Associated Minerals at Type Locality:

Hongshiite

Reference:

Synonyms of KitagohaiteHide

IMA2013-114

UM1996-11-E:CuPt

Other Language Names for KitagohaiteHide

Dutch:Kitagohaiet

German:Kitagohait

Related Minerals - Strunz-mindat Grouping Hide

1.A0.

Kufahrite

PtPb

Hex. 6/mmm(6/m2/m2/m) : P6₃/mmc

Fluorescence of KitagohaiteHide

In UV light:

Not fluorescent

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 KitagohaiteHide

mindat.org URL:

https://www.mindat.org/min-46059.html
Please feel free to link to this page.

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External Links:

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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

Mineral Dealers:

Buy from D. Joyce minerals

References for KitagohaiteHide

Reference List:

Cabral, Alexandre Raphael, Lehmann, Bernd, Jedwab, Jacques (2012) Empirical Pt7Cu from an alluvial platinum concentrate and its significance for platiniferous quartz lodes in the Lubero region, DR Congo. Neues Jahrbuch für Mineralogie - Abhandlungen Journal of Mineralogy and Geochemistry, 189 (2) 217-221 doi:10.1127/0077-7757/2012/0222(as unnamed Pt7Cu)

Williams, P. A., Hatert, F., Pasero, M., Mills, S. J. (2014) New minerals and nomenclature modifications approved in 2014, CNMNC Newsletter No 19. Mineralogical Magazine, 78 (1) 165-170 doi:10.1180/minmag.2014.078.1.12

(2015) Kitagohaite. Handbook of Mineralogy. Mineralogical Society of America

Localities for KitagohaiteHide

Showing 7 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

symbol next to localities in the list can be used to jump to that position on the map.

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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.


DR Congo
North Kivu ⓘ Lubero Territory	Williams et al. (2014) +1 other reference
ⓘ Kitagoha river (TL)	Cabral et al. (2014)

Finland
Lapland Inari ⓘ Ivalojoki	Törnroos et al. (1998)
ⓘ Palsinoja	Mineralogical Society of America - ... +1 other reference
ⓘ Lemmenjoki	Mineralogical Society of America - ...

France
Provence-Alpes-Côte d'Azur Bouches-du-Rhône Istres Port-Saint-Louis-du-Rhône ⓘ Napoléon beach ?	Bruno Ducluzaux Collection

Japan
Hokkaidō Prefecture Rumoi Subprefecture Tomamae District Tomamae ⓘ Tomamae coast	NISHIO–HAMANE et al. (2022)

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Kitagohaite

Unique IdentifiersHide

IMA Classification of KitagohaiteHide

Classification of KitagohaiteHide

Mineral SymbolsHide

Physical Properties of KitagohaiteHide

Optical Data of KitagohaiteHide

Chemistry of KitagohaiteHide

Crystallography of KitagohaiteHide

Crystal StructureHide

X-Ray Powder DiffractionHide

Geological EnvironmentHide

Type Occurrence of KitagohaiteHide

Synonyms of KitagohaiteHide

Other Language Names for KitagohaiteHide

Related Minerals - Strunz-mindat GroupingHide

Fluorescence of KitagohaiteHide

Other InformationHide

Internet Links for KitagohaiteHide

References for KitagohaiteHide

Localities for KitagohaiteHide

Locality ListHide

Related Minerals - Strunz-mindat Grouping Hide