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Yarlongite

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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
Essential elements:C, Cr, Fe, Ni
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.

Acta Geologica Sinica, 83(1), 52-56 (2009)

Internet Links for Yarlongite

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    • Localities for Yarlongite

    Hide Locality List
    (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.
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