Mindat Logo

Changchengite

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



Formula:
IrBiS
System:IsometricLustre:Metallic
Hardness:
Member of:Cobaltite Group
Name:Named after Chancheng, the name of the "Great Wall" of China.
This page provides mineralogical data about Changchengite.

Classification of Changchengite

IMA status:Approved
Strunz 8th edition ID:2/D.17-153
Nickel-Strunz 10th (pending) edition ID:2.EB.25

2 : SULFIDES and SULFOSALTS (sulfides, selenides, tellurides; arsenides, antimonides, bismuthides; sulfarsenites, sulfantimonites, sulfbismuthites, etc.)
E : Metal Sulfides, M: S <= 1:2
B : M:S = 1:2, with Fe, Co, Ni, PGE, etc.
mindat.org URL:http://www.mindat.org/min-6860.html
Please feel free to link to this page.

Type Occurrence of Changchengite

Type Locality:Unnamed tributary, Luan River valley (Luanhe valley), Chengde Prefecture, Hebei Province, China

Physical Properties of Changchengite

Lustre:Metallic
Hardness (Mohs):

Crystallography of Changchengite

Crystal System:Isometric

Optical Data of Changchengite

Type:Isotropic

Chemical Properties of Changchengite

Formula:
IrBiS
Essential elements:Bi, Ir, S
All elements listed in formula:Bi, Ir, S

Relationship of Changchengite to other Species

Member of:Cobaltite Group
Other Members of Group:

- +
Cobaltite
CoAsS
Gersdorffite
NiAsS
Hollingworthite
(Rh,Pt,Pd)AsS
Irarsite
(Ir,Ru,Rh,Pt)AsS
Jolliffeite
NiAsSe
Kalungaite
PdAsSe
Krutovite
NiAs
 
2
Maslovite
PtBiTe
Mayingite
IrBiTe
Michenerite
PdBiTe
Milotaite
PdSbSe
Padmaite
PdBiSe
Platarsite
PtAsS
Testibiopalladite
PdTe(Sb,Te)
Tolovkite
IrSbS
Ullmannite
NiSbS
Willyamite
(Co,Ni)SbS
Related Minerals - Nickel-Strunz Grouping):

- +
2.EB.05aAurostibite
AuSb
 
2
2.EB.05bBambollaite
Cu(Se,Te)
 
2
2.EB.05aCattierite
CoS
 
2
2.EB.05aErlichmanite
OsS
 
2
2.EB.05aFukuchilite
Cu
 
3
FeS
 
8
2.EB.05aGeversite
PtSb
 
2
2.EB.05aHauerite
MnS
 
2
2.EB.05aInsizwaite
Pt(Bi,Sb)
 
2
2.EB.05aKrut'aite
CuSe
 
2
2.EB.05aLaurite
RuS
 
2
2.EB.05aPenroseite
(Ni,Co,Cu)Se
 
2
2.EB.05aPyrite
FeS
 
2
2.EB.05aSperrylite
PtAs
 
2
2.EB.05aTrogtalite
CoSe
 
2
2.EB.05aVaesite
NiS
 
2
2.EB.05aVillamaninite
(Cu,Ni,Co,Fe)S
 
2
2.EB.05aDzharkenite
FeSe
 
2
2.EB.05aGaotaiite
Ir
 
3
Te
 
8
2.EB.10bAlloclasite
Co
 
1-x
Fe
 
x
AsS
2.EB.10dCostibite
CoSbS
2.EB.10aFerroselite
FeSe
 
2
2.EB.10aFrohbergite
FeTe
 
2
2.EB.10cGlaucodot
(Co
 
0.50
Fe
 
0.50
)AsS
2.EB.10aKullerudite
NiSe
 
2
2.EB.10aMarcasite
FeS
 
2
2.EB.10aMattagamite
CoTe
 
2
2.EB.10eParacostibite
CoSbS
2.EB.10ePararammelsbergite
NiAs
 
2
2.EB.10fOenite
CoSbAs
2.EB.15aAnduoite
(Ru,Os)As
 
2
2.EB.15aClinosafflorite
CoAs
 
2
2.EB.15aLöllingite
FeAs
 
2
2.EB.15aNisbite
NiSb
 
2
2.EB.15aOmeiite
(Os,Ru)As
 
2
2.EB.15cPaxite
CuAs
 
2
2.EB.15aRammelsbergite
NiAs
 
2
2.EB.15aSafflorite
CoAs
 
2
2.EB.15bSeinäjokite
(Fe,Ni)(Sb,As)
 
2
2.EB.20Arsenopyrite
FeAsS
2.EB.20Gudmundite
FeSbS
2.EB.20Osarsite
(Os,Ru)AsS
2.EB.20Ruarsite
(Ru,Os)AsS
2.EB.25Cobaltite
CoAsS
2.EB.25Gersdorffite
NiAsS
2.EB.25Hollingworthite
(Rh,Pt,Pd)AsS
2.EB.25Irarsite
(Ir,Ru,Rh,Pt)AsS
2.EB.25Jolliffeite
NiAsSe
2.EB.25Krutovite
NiAs
 
2
2.EB.25Maslovite
PtBiTe
2.EB.25Michenerite
PdBiTe
2.EB.25Padmaite
PdBiSe
2.EB.25Platarsite
PtAsS
2.EB.25Testibiopalladite
PdTe(Sb,Te)
2.EB.25Tolovkite
IrSbS
2.EB.25Ullmannite
NiSbS
2.EB.25Willyamite
(Co,Ni)SbS
2.EB.25Mayingite
IrBiTe
2.EB.25Hollingsworthite
2.EB.25Kalungaite
PdAsSe
2.EB.25Milotaite
PdSbSe
2.EB.30Urvantsevite
Pd(Bi,Pb)
 
2
2.EB.35Rheniite
ReS
 
2

Other Names for Changchengite

Synonyms:
IMA1995-047
Other Languages:
German:Changchengit
Russian:Чанченит
Spanish:Changchengita

Other Information

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 Changchengite

Reference List:

- +
Yu Zuxiang (1997) Changchengite - A new iridium bismuthide sulfide. Acta Geologica Sinica 71(4), 336-39 (in Chinese, English abstract). [New Minerals 1995-1999, 39 (abstract)].

Mineralogical Record: 29: 467.

Internet Links for Changchengite

Search Engines:
  • Look for Changchengite on Google
  • Look for Changchengite images on Google
  • External Links:
  • Look for Changchengite on Webmineral
  • Look for Changchengite on Athena Mineralogy
  • Look for Changchengite on Mineralien Atlas
  • Raman and XRD data at RRUFF project
  • American Mineralogist Crystal Structure Database
  • Mineral Dealers:
  • High-end worldwide specimens & outstanding customer service
  • Rare and Unusual minerals at Mineralogical Research Company
  • Buy RARE Minerals from Rocks of Africa
  • Find Changchengite on www.crystalclassics.co.uk
  • Fine Minerals from Weinrich Minerals, Inc.
  • Wilensky Fine Minerals
  • Buy rare minerals from Excalibur Minerals
  • Buy from David K Joyce minerals
  • Fine and rare minerals from mintreasure.com
  • SpiriferMinerals.com - high quality low prices
  • Top quality minerals from Kristalle of California
  • Changchengite specimens for sale - minfind.com
  • Localities for Changchengite

    (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 valley (Luanhe valley)
    Yu Zuxiang (1997): Acta Geologica Sinica 71(4), 486-490.
    Mineral and/or Locality  
    Search Google  
    Copyright © Jolyon Ralph and Ida Chau 1993-2014. Site Map. Locality, mineral & photograph data are the copyright of the individuals who submitted them. 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 thousands of members and supporters. Mindat does not offer minerals for sale. If you would like to add information to improve the quality of our database, then click here to register.
    Current server date and time: August 25, 2014 11:54:58
    Mineral and Locality Search
    Mineral:
    and/or Locality:
    Options
    Fade toolbar when not in focusFix toolbar to bottom of page
    Hide Social Media Links
    Slideshow frame delay seconds