Mindat Logo
Home Page Log In Message Board The Mindat Directory
Register Search Pages Chat Now! (2 online) Mindat Auctions

Chengdeite

Big Photo

Tolovka River placer, Ust'-Bel'skii ultrabasic Massif, Koryak (Koriak; Koriakskhiye) Upland, Koriak Autonomous Okrug, Far-Eastern Region, Russia
© 2008, JGW

Formula:
Ir
 
3
Fe
System:IsometricColour:Steel-black
Lustre:MetallicHardness:5
Name:After the type locality at Gaotai village, in the Luan River (Luan He) valley, CHENGDE Prefecture, Hebei Province, China.


Found in chromite ores in ultrabasic rocks and associated placer deposits.

Classification of Chengdeite

IMA status:Approved
Strunz 8th edition ID:1/A.15-05
Nickel-Strunz 10th (pending) edition ID:1.AG.35

1 : ELEMENTS (Metals and intermetallic alloys; metalloids and nonmetals; carbides, silicides, nitrides, phosphides)
A : Metals and Intermetallic Alloys
G : PGE-metal alloys
Dana 7th edition ID:1.2.6.2
Dana 8th edition ID:1.2.5.5

1 : NATIVE ELEMENTS AND ALLOYS
2 : Platinum Group Metals and Alloys
mindat.org URL:http://www.mindat.org/min-1208.html
Please feel free to link to this page.

Type Occurrence of Chengdeite

Type Locality:Gaotai village, Luan River (Luan He) valley, Chengde Prefecture, Hebei Province, China

Physical Properties of Chengdeite

Lustre:Metallic
Colour:Steel-black
Hardness (Mohs):5

Crystallography of Chengdeite

Crystal System:Isometric

Optical Data of Chengdeite

Type:Isotropic

Chemical Properties of Chengdeite

Formula:
Ir
 
3
Fe
Essential elements:Fe, Ir
All elements listed in formula:Fe, Ir

Relationship of Chengdeite to other Species

Related Minerals - Nickel-Strunz Grouping):

- +
1.AG.05Hexaferrum
(Fe,Os,Ru,Ir)
1.AG.05IMA2008-055
(Ni,Fe,Ir)
1.AG.10Atokite
(Pd,Pt)
 
3
Sn
1.AG.10Rustenburgite
(Pt,Pd)
 
3
Sn
1.AG.10Zvyagintsevite
(Pd,Pt,Au)
 
3
(Pb,Sn)
1.AG.15Taimyrite
(Pd,Cu,Pt)
 
3
Sn
1.AG.15Tatyanaite
(Pt,Pd,Cu)
 
9
Cu
 
3
Sn
 
4
1.AG.20Paolovite
Pd
 
2
Sn
1.AG.25Plumbopalladinite
Pd
 
3
Pb
 
2
1.AG.25Stannopalladinite
(Pd,Cu)
 
3
Sn
 
2
1.AG.30Cabriite
Pd
 
2
SnCu
1.AG.35Isoferroplatinum
Pt
 
3
Fe
1.AG.40Ferronickelplatinum
Pt
 
2
FeNi
1.AG.40Tetraferroplatinum
PtFe
1.AG.40Tulameenite
Pt
 
2
CuFe
1.AG.45Hongshiite
PtCu
1.AG.45Skaergaardite
PdCu
1.AG.50Yixunite
Pt
 
3
In
1.AG.55Damiaoite
PtIn
 
2
1.AG.60Niggliite
PtSn
1.AG.65Bortnikovite
Pd
 
4
Cu
 
3
Zn
1.AG.70Nielsenite
PdCu
 
3
Related Minerals - Dana Grouping):

- +
1.2.6.1Isoferroplatinum
Pt
 
3
Fe
1.2.6.3Yixunite
Pt
 
3
In

Other Names for Chengdeite

Synonyms:
IMA1994-023
Other Languages:
German:Chengdeit
Russian:Чендеит
Spanish:Chengdeita

Other Information

Other Information:Strong Magnetism
Malleable
Health Warning:No information on health risks for this material has been entered into the database. You should always treat mineral specimens with care.

References for Chengdeite

Reference List:Yu Zuxiang (1995): Chengdeite - Ordered natural iron-iridium alloy. Acta Geologica Sinica 69(3), 215-20 (in Chinese, English abstract). - New Minerals 1995-1999, 42 (abstract).

Mineralogical Record 27, 202.

Internet Links for Chengdeite

Search Engines:
  • Look for Chengdeite on Google
  • Look for Chengdeite images on Google
    • External Links:
  • Look for Chengdeite on Webmineral
  • Look for Chengdeite on Athena Mineralogy
  • Look for Chengdeite on Wikipedia
  • Look for Chengdeite on Mineralien Atlas
  • Raman and XRD data at RRUFF project
  • American Mineralogist Crystal Structure Database
  • Search for Chengdeite in the Natural History Museum (London) online catalogue
  • Chengdeite details from Handbook of Mineralogy (PDF)
    • Mineral Dealers:
  • High-end worldwide specimens & outstanding customer service
  • Search for - Chengdeite - on e-Rocks Mineral Sales & Auctions
  • Buy Fine Minerals from mineralsweb.com
  • Fine Minerals from Dan Weinrich Minerals
  • Find Chengdeite on www.crystalclassics.co.uk
  • Top quality minerals from Kristalle of California
  • DAKOTA MATRIX offers Cabinet and Rare Species from Worldwide Localities.
  • Buy fine minerals and gemstones from Pala International
  • The Arkenstone - Fine Minerals
  • rare and unusual minerals mainly crystallized
  • Fabre Minerals - search for Chengdeite specimens
  • Edwards Minerals - Fine Specimens
    • Jobs:
  • Mining & Geology Jobs

    • Page Sponsor

    Sponsorship:This page is currently not sponsored. Click here to sponsor this page.

    Localities for Chengdeite

    (TL) indicates type locality. ? indicates mineral may be doubtful at this locality. All other localities listed without reference should be considered as uncertain and unproven until references can be found.
    China
     
    • Hebei Province
      • Chengde Prefecture
        • Luan River (Luan He) valley
    		Yu Zuxiang (1995): Acta Geologica Sinica 69(3), 215-220.
    Mineral and/or Locality
    Google
     
    www.mindat.org Web
    Copyright © Jolyon Ralph and Ida Chau 1993-2009. Site Map. Locality, mineral & photograph data are the copyright of the individuals who submitted them.Further information contact the Site hosted & developed by Jolyon Ralph. Mindat.org is an online information resource dedicated to providing free mineralogical information to all. Mindat relies on the contributions of hundreds of members and supporters. If you would like to add information to improve the quality of our database, then click here to register. Current server date and time: 7th Nov 2009 05:49:48