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Yarlongite

Formula:
Cr
 
4
Fe
 
4
NiC
 
4
System:Hexagonal
This page provides mineralogical data about Yarlongite.

Classification of Yarlongite

IMA status:Approved 2007
Nickel-Strunz 10th (pending) edition ID:1.BA.30

1 : ELEMENTS (Metals and intermetallic alloys; metalloids and nonmetals; carbides, silicides, nitrides, phosphides)
B : Metallic Carbides, Silicides, Nitrides and Phosphides
A : Carbides
Dana 8th edition ID:1.1.25.3

1 : NATIVE ELEMENTS AND ALLOYS
1 : Metals, other than the Platinum Group
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Type Occurrence of Yarlongite

Type Locality:Luobusa ophiolite, Qusum (Qusong) Co., Shannan (Lhokha; Lhoka) Prefecture, Tibet Autonomous Region, China

Crystallography of Yarlongite

Crystal System:Hexagonal
Class (H-M):6mm - Dihexagonal Pyramidal
Space Group:P63mc
Cell Parameters:a = 18.839Å, c = 4.4960Å
Ratio:a:c = 1 : 0.239
Unit Cell Volume:V 1,381.89 ų (Calculated from Unit Cell)

Chemical Properties of Yarlongite

Formula:
Cr
 
4
Fe
 
4
NiC
 
4
All elements listed in formula:C, Cr, Fe, Ni

Relationship of Yarlongite to other Species

Related Minerals - Nickel-Strunz Grouping):

- +
1.BA.05Cohenite
(Fe,Ni,Co)
 
3
C
1.BA.10Haxonite
(Fe,Ni)
 
23
C
 
6
1.BA.10Isovite
(Cr,Fe)
 
23
C
 
6
1.BA.15Tongbaite
Cr
 
3
C
 
2
1.BA.20Khamrabaevite
(Ti,V,Fe)C
1.BA.20Niobocarbide
(Nb,Ta)C
1.BA.20Tantalcarbide
TaC
1.BA.25Qusongite
WC

Other Names for Yarlongite

Synonyms:
IMA2007-035
Other Languages:

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 Yarlongite

Reference List:Shi Nicheng, Ma Zhesheng, Xiong Ming, Dai Mingquan, Bai Wenji, Fang Qingsong, Yan Binggang, and Yang Jingsui (2005): The crystal structure of (Fe4Cr4Ni)9C4. Science in China, Series D (Earth Sciences), 48(3), 338-345.

Internet Links for Yarlongite

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    Localities for Yarlongite

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    The 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.
    (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
     
    • Tibet Autonomous Region
      • Shannan (Lhokha; Lhoka) Prefecture
        • Qusum (Qusong) Co.
    		Shi Nicheng, Ma Zhesheng, Xiong Ming, Dai Mingquan, Bai Wenji, Fang Qingsong, Yan Binggang, and Yang Jingsui (2005): Science in China, Series D (Earth Sciences), 48(3), 338-345.
    Mineral and/or Locality
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    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: 19th Nov 2009 16:52:52