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Chengdeite

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Formula:
Ir3Fe
Colour:
Steel-black
Lustre:
Metallic
Hardness:
5
Crystal System:
Isometric
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.


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Classification of ChengdeiteHide

Approved
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 ed.:
1.2.6.2
1.2.5.5

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

Physical Properties of ChengdeiteHide

Metallic
Colour:
Steel-black
Hardness:

Optical Data of ChengdeiteHide

Type:
Isotropic

Chemical Properties of ChengdeiteHide

Formula:
Ir3Fe

Crystallography of ChengdeiteHide

Crystal System:
Isometric

Type Occurrence of ChengdeiteHide

Synonyms of ChengdeiteHide

Other Language Names for ChengdeiteHide

German:Chengdeit
Simplified Chinese:承德矿
Spanish:Chengdeita

Common AssociatesHide

Associated Minerals Based on Photo Data:
Iridium1 photo of Chengdeite associated with Iridium on mindat.org.

Related Minerals - Nickel-Strunz GroupingHide

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)3Sn
1.AG.10ZvyagintsevitePd3PbIso.
1.AG.15Taimyrite(Pd,Cu,Pt)3SnOrth.
1.AG.15Tatyanaite(Pt,Pd,Cu)9Cu3Sn4Orth.
1.AG.20PaolovitePd2SnOrth.
1.AG.25PlumbopalladinitePd3Pb2Hex.
1.AG.25Stannopalladinite(Pd,Cu)3Sn2Hex.
1.AG.30CabriitePd2CuSnOrth. mmm (2/m 2/m 2/m) : Pmmm
1.AG.35IsoferroplatinumPt3FeIso.
1.AG.40FerronickelplatinumPt2FeNiTet.
1.AG.40TetraferroplatinumPtFeTet.
1.AG.40TulameenitePt2CuFeTet.
1.AG.45HongshiitePtCuTrig.
1.AG.45SkaergaarditePdCuIso. m3m (4/m 3 2/m) : Pm3m
1.AG.50YixunitePt3InIso.
1.AG.55DamiaoitePtIn2Iso.
1.AG.60NiggliitePtSnHex.
1.AG.65BortnikovitePd4Cu3ZnTet. 4/mmm (4/m 2/m 2/m) : P4/mmm
1.AG.70NielsenitePdCu3

Related Minerals - Dana Grouping (8th Ed.)Hide

1.2.5.1IsoferroplatinumPt3FeIso.
1.2.5.2Rustenburgite(Pt,Pd)3Sn
1.2.5.3Atokite(Pd,Pt)3SnIso. m3m (4/m 3 2/m) : Fm3m
1.2.5.4ZvyagintsevitePd3PbIso.

Other InformationHide

Notes:
Strong Magnetism
Malleable
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 ChengdeiteHide

Reference List:
Sort by Year (asc) | by Year (desc) | by Author (A-Z) | by Author (Z-A)
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 ChengdeiteHide

Localities for ChengdeiteHide

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 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 (eg from pseudomorphs.)

All localities listed without proper references should be considered as questionable.
China (TL)
 
  • Hebei Province
    • Chengde Prefecture
      • Chengde Co.
        • Gaositai
Zuxiang Yu (1995): Acta Geologica Sinica 69(3), 215-220
Zuxiang Yu (1995): Acta Geologica Sinica 69(3), 215-220
Russia
 
  • Far-Eastern Region
    • Koriak Autonomous Okrug
      • Koryak Upland (Koriak; Koriakskhiye)
        • Ust'-Bel'skii ultrabasic Massif
SEM by Excalibur Mineral Co.
Mineral and/or Locality  
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