Log InRegister
Quick Links : The Mindat ManualThe Rock H. Currier Digital LibraryMindat Newsletter [Free Download]
Home PageAbout MindatThe Mindat ManualHistory of MindatCopyright StatusWho We AreContact UsAdvertise on Mindat
Donate to MindatCorporate SponsorshipSponsor a PageSponsored PagesMindat AdvertisersAdvertise on Mindat
Learning CenterWhat is a mineral?The most common minerals on earthInformation for EducatorsMindat ArticlesThe ElementsThe Rock H. Currier Digital LibraryGeologic Time
Minerals by PropertiesMinerals by ChemistryAdvanced Locality SearchRandom MineralRandom LocalitySearch by minIDLocalities Near MeSearch ArticlesSearch GlossaryMore Search Options
Search For:
Mineral Name:
Locality Name:
Keyword(s):
 
The Mindat ManualAdd a New PhotoRate PhotosLocality Edit ReportCoordinate Completion ReportAdd Glossary Item
Mining CompaniesStatisticsUsersMineral MuseumsClubs & OrganizationsMineral Shows & EventsThe Mindat DirectoryDevice SettingsThe Mineral Quiz
Photo SearchPhoto GalleriesSearch by ColorNew Photos TodayNew Photos YesterdayMembers' Photo GalleriesPast Photo of the Day GalleryPhotography

Hongshiite

A valid IMA mineral species
This page is currently not sponsored. Click here to sponsor this page.
Formula:
PtCu
Colour:
Grey, lead-gray, steel-gray, may be tarnished brown
Lustre:
Metallic
Hardness:
4
Specific Gravity:
15.71
Crystal System:
Trigonal
Name:
Named for the type locality, Hongshi village.
This page provides mineralogical data about Hongshiite.


Hide all sections | Show all sections

Unique IdentifiersHide

Mindat ID:
1929
Long-form identifier:
mindat:1:1:1929:9
GUID
(UUID V4):
49801f34-0918-4930-9382-33f12bacad4b

IMA Classification of HongshiiteHide

Classification of HongshiiteHide

1.AG.45

1 : ELEMENTS (Metals and intermetallic alloys; metalloids and nonmetals; carbides, silicides, nitrides, phosphides)
A : Metals and Intermetallic Alloys
G : PGE-metal alloys
Dana 7th ed.:
1.2.3.1
1.2.3.1

1 : NATIVE ELEMENTS AND ALLOYS
2 : Platinum Group Metals and Alloys
1.83

1 : Elements and Alloys (including the arsenides, antimonides and bismuthides of Cu, Ag and Au)

Mineral SymbolsHide

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

SymbolSourceReference
HngIMA–CNMNCWarr, L.N. (2021). IMA–CNMNC approved mineral symbols. Mineralogical Magazine, 85(3), 291-320. doi:10.1180/mgm.2021.43

Physical Properties of HongshiiteHide

Metallic
Transparency:
Opaque
Colour:
Grey, lead-gray, steel-gray, may be tarnished brown
Streak:
Black
Hardness:
Hardness:
VHN50=204 - 227 kg/mm2 - Vickers
Tenacity:
Brittle
Cleavage:
Distinct/Good
On {1011}
Density:
15.71 g/cm3 (Measured)    15.63 g/cm3 (Calculated)

Optical Data of HongshiiteHide

Anisotropism:
Weak to moderate, dull gray to dull reddish brown; coppery brown to bright blue.
Reflectivity:
WavelengthR1R2
400nm56.3%56.7%
420nm57.5%58.7%
440nm58.6%60.2%
460nm59.4%61.4%
480nm60.2%62.4%
500nm60.7%63.3%
520nm61.4%64.2%
540nm62.1%65.0%
560nm63.0%65.6%
580nm63.9%66.3%
600nm64.7%67.0%
620nm66.2%68.2%
640nm67.0%68.8%
660nm68.3%70.0%
680nm69.1%70.4%
700nm69.7%70.8%

Reflectance graph
Graph shows reflectance levels at different wavelengths (in nm). Top of box is 100%. Peak reflectance is 70.8%.
R1 shown in black, R2 shown in red
Colour in reflected light:
Bright white with a slight brownish tint
Internal Reflections:
None
Pleochroism:
Not Visible

Chemistry of HongshiiteHide

Mindat Formula:
PtCu

Crystallography of HongshiiteHide

Crystal System:
Trigonal
Cell Parameters:
a = 10.713 Å, c = 13.192 Å
Ratio:
a:c = 1 : 1.231
Unit Cell V:
1,311.18 ų (Calculated from Unit Cell)
Z:
48
Twinning:
Yes. Twin plane might be {1121}
Comment:
Point Group: 32, 3m or 3 2/m.; Space Group: R32, R3m, or R3m

X-Ray Powder DiffractionHide

Powder Diffraction Data:
d-spacingIntensity
2.199 Å(100)
1.895 Å(80)
1.148 Å(80)
1.350 Å(50)
1.325 Å(50)
0.856 Å(50)
4.35 Å(30)

Geological EnvironmentHide

Paragenetic Mode(s):
Paragenetic ModeEarliest Age (Ga)
Near-surface Processes
26 : Hadean detrital minerals
Stage 4b: Highly evolved igneous rocks>3.0
37 : Layered igneous intrusions and related PGE minerals

Type Occurrence of HongshiiteHide

General Appearance of Type Material:
Granular-massive aggregates or irregular plates
Place of Conservation of Type Material:
Institute of Geology, Chinese Academy of Geological Sciences, Beijing, China
Associated Minerals at Type Locality:
Reference:
Yu, T.-H., Lin, S.-J., Chao, P., Fang, C.-S., Huang, C.-S. (1974): A preliminary study of some new minerals of the platinum group and another associated new one in platinum-bearing intrusion in a region in China. Acta Geologica Sinica, 2, 202-218.

Other Language Names for HongshiiteHide

German:Hongshiit
Simplified Chinese:çșąçŸłçŸż
Spanish:Hongshiita

Common AssociatesHide

Associated Minerals Based on Photo Data:
1 photo of Hongshiite associated with Palladodymite(Pd,Rh)2As
1 photo of Hongshiite associated with Ruthenium(Ru,Ir)
1 photo of Hongshiite associated with Rhodarsenide(Rh,Pd)2As
1 photo of Hongshiite associated with Osmium(Os,Ir,Ru)
1 photo of Hongshiite associated with IsoferroplatinumPt3Fe

Related Minerals - Strunz-mindat GroupingHide

1.AG.Michitoshiite-(Cu)Rh(Cu1-xGex) Iso. m3m (4/m 3 2/m) : Pm3m
1.AG.PalladothallitePd3TlTet. 4/mmm (4/m 2/m 2/m) : I4/mmm
1.AG.SluzhenikinitePd15(Sb7-xSnx)Mon. 2/m : P21/m
1.AG.DriekopitePtBiHex. 6/mmm (6/m 2/m 2/m) : P63/mmc
1.AG.SidoroviteFe3PtIso. m3m (4/m 3 2/m) : Pm3m
1.AG.05Hexaferrum(Fe,Os,Ru,Ir)Hex. 6/mmm (6/m 2/m 2/m) : P63/mmc
1.AG.05Garutiite(Ni,Fe,Ir)Hex. 6/mmm (6/m 2/m 2/m) : P63/mmc
1.AG.10Atokite(Pd,Pt)3SnIso. m3m (4/m 3 2/m) : Fm3m
1.AG.10Rustenburgite(Pt,Pd)3SnIso. m3m (4/m 3 2/m) : Fm3m
1.AG.10ZvyagintsevitePd3PbIso. m3m (4/m 3 2/m) : Pm3n
1.AG.15Taimyrite(Pd,Cu,Pt)3SnOrth.
1.AG.15Tatyanaite(Pt,Pd,Cu)9Cu3Sn4Orth.
1.AG.20PaolovitePd2SnOrth. mmm (2/m 2/m 2/m)
1.AG.25PlumbopalladinitePd3Pb2Hex. 6mm : P63mc
1.AG.25Stannopalladinite(Pd,Cu)3SnOrth.
1.AG.30CabriitePd2CuSnOrth. mmm (2/m 2/m 2/m) : Pmmm
1.AG.35ChengdeiteIr3FeIso. m3m (4/m 3 2/m)
1.AG.35IsoferroplatinumPt3FeIso. m3m (4/m 3 2/m)
1.AG.40FerronickelplatinumPt2FeNiTet.
1.AG.40TetraferroplatinumPtFeTet. 4/mmm (4/m 2/m 2/m) : P4/mmm
1.AG.40TulameenitePt2CuFeTet. 4/mmm (4/m 2/m 2/m) : P4/mmm
1.AG.45SkaergaarditePdCuIso. m3m (4/m 3 2/m) : Pm3m
1.AG.50YixunitePt3InIso. m3m (4/m 3 2/m)
1.AG.55DamiaoitePtIn2Iso. m3m (4/m 3 2/m) : Fm3m
1.AG.60NiggliitePtSnHex. 6/mmm (6/m 2/m 2/m) : P63/mmc
1.AG.65BortnikovitePd4Cu3ZnTet. 4/mmm (4/m 2/m 2/m) : P4/mmm
1.AG.70NielsenitePdCu3Tet. 4mm : P4mm
1.AG.75Norilskite(Pd,Ag)2xPb (x = 0.08 - 0.11)Trig. 3 2 : P31 2 1

Other InformationHide

Notes:
Insoluble in HCl and HNO3.
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 HongshiiteHide

References for HongshiiteHide

Localities for HongshiiteHide

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.
Brazil
 
  • Minas Gerais
    • Catas Altas
Cabral A (2014)
Canadian Mineralogist: 40: 711-723.
Kwitko et al. (2002)
Kwitko et al. (2002)
    • Serro
Cabral et al. (2021)
Canada
 
  • British Columbia
    • Liard Mining Division
      • Turnagain River area
Jackson-Brown et al. (2014)
  • Newfoundland and Labrador
    • Newfoundland
      • Bay of Islands
Edwards (1990)
China (TL)
 
  • Hebei
    • Chengde
      • Fengning County
        • Boluonuo
Yu Zuxiang et al. (1974) +1 other reference
Czech Republic
 
  • Hradec KrĂĄlovĂ© Region
    • Trutnov District
      • DolnĂ­ OleĆĄnice
        • Vestƙev
Malec J +1 other reference
DR Congo
 
  • North Kivu
Cabral et al. (2015) +1 other reference
Cabral et al. (2014)
Ecuador
 
  • Esmeraldas Province
Weiser et al. (1993)
Finland
 
Törnroos Ragnar
    • Enontekiö
33rd International Geological Congress (2008)
    • Inari
      • Ivalojoki
Kari Kojonen (2012)
Kojonen et al. (2014)
    • SodankylĂ€
      • Kevitsansarvi (Keivitsansarvi)
Mutanen (1997)
France
 
  • Auvergne-RhĂŽne-Alpes
    • Ain
      • Belley
        • BrĂ©gnier-Cordon
Ducluzaux B. (2022)
      • Bourg-en-Bresse
        • Lescheroux
Lorand et al. (2018) +1 other reference
Japan
 
  • Hokkaidƍ Prefecture
    • Rumoi Subprefecture
      • Obira (Rumoi District)
NISHIO–HAMANE et al. (2022)
      • Tomamae District
        • Haboro
NISHIO–HAMANE et al. (2022)
NISHIO–HAMANE et al. (2022)
        • Shosanbetsu
NISHIO–HAMANE et al. (2022)
        • Tomamae
NISHIO–HAMANE et al. (2022)
    • Sorachi Subprefecture
      • Numata
NISHIO–HAMANE et al. (2022)
Philippines
 
  • Visayas
    • Eastern Visayas Region
      • Samar Island
OberthĂŒr et al. (2017)
Russia
 
  • Chelyabinsk Oblast
microprobe analysis
Zaykov et al. (2017)
  • Kamchatka Krai
    • Koryak Okrug
      • Karaginsky District
Tolstykh et al. (2000)
  • Kemerovo Oblast
Nesterenko +6 other references
  • Khabarovsk Krai
    • Ayan-Maya district
Cabri et al. (1997) +1 other reference
  • Murmansk Oblast
    • Fedorovo-Pansky massif (Pana layered complex)
Groshev +6 other references
Groshev +7 other references
Groshev +7 other references
    • Monche tundra intrusion
Chashchin et al. (2018)
  • Republic of Karelia
    • Loukhsky District
      • Oulanka plutonic complex
        • Olanga River (Oulanka River)
Grishaenko et al. (2007)
  • Sakha
    • Aldan
Okrugin (1998)
Sierra Leone
 
  • Western Area
    • Freetown layered complex
Bowles et al. (2018)
South Africa
 
  • Limpopo
    • Sekhukhune District Municipality
      • Fetakgomo Tubatse Local Municipality
        • Steelpoort
OberthĂŒr et al. (2021)
    • Waterberg District Municipality
      • Modimolle-Mookgophong Local Municipality
        • Mookgophong
OberthĂŒr et al. (2018)
      • Mogalakwena Local Municipality
        • Mogalakwena
Hutchinson et al. (2005)
Hutchinson et al. (2005)
UK
 
  • Scotland
    • Highland
      • Caol and Mallaig
        • Isle of Rum
Power et al. (2000)
    • Shetland Islands
      • Unst
Prichard et al. (1988) +1 other reference
Zaccarini F et al. (PGE) +2 other references
USA
 
  • Alaska
    • Bethel Census Area
      • Goodnews Bay
        • Salmon River - Red Mountain District
Anthony et al. (1990)
  • Wyoming
    • Albany County
      • New Rambler Mining District
Bart Cannon (Cannon Microprobe, Seattle)
 
Mineral and/or Locality  
Mindat Discussions Facebook Logo Instagram Logo Discord Logo
Mindat.org is an outreach project of the Hudson Institute of Mineralogy, a 501(c)(3) not-for-profit organization.
Copyright © mindat.org and the Hudson Institute of Mineralogy 1993-2024, except where stated. Most political location boundaries are © OpenStreetMap contributors. Mindat.org relies on the contributions of thousands of members and supporters. Founded in 2000 by Jolyon Ralph.
Privacy Policy - Terms & Conditions - Contact Us / DMCA issues - Report a bug/vulnerability Current server date and time: April 25, 2024 19:32:40 Page updated: April 23, 2024 23:54:12
Go to top of page