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Xifengite

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Formula:
Fe5Si3
System:
Hexagonal
Colour:
Grey, Steel-black
Lustre:
Metallic
Hardness:
5
Name:
Named after "Xifengkou", an eastern passageway of the Great Wall in the Yan Mts (Yan Shan), where the type locality is situated.
The Fe analogue of mavlyanovite.

Classification of Xifengite

Approved 1983
1.BB.40

1 : ELEMENTS (Metals and intermetallic alloys; metalloids and nonmetals; carbides, silicides, nitrides, phosphides)
B : Metallic Carbides, Silicides, Nitrides and Phosphides
B : Silicides
Dana 7th ed.:
1.1.33.4
1.1.23.3

1 : NATIVE ELEMENTS AND ALLOYS
1 : Metals, other than the Platinum Group
2.8

2 : Carbides, Nitrides, Silicides and Phosphides
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Type Occurrence of Xifengite

Year of Discovery:
1983

Physical Properties of Xifengite

Metallic
Diaphaneity (Transparency):
Opaque
Colour:
Grey, Steel-black
Streak:
Black
Hardness (Mohs):
5

Crystallography of Xifengite

Crystal System:
Hexagonal
Class (H-M):
6/mmm (6/m 2/m 2/m) - Dihexagonal Dipyramidal
Space Group:
P63/mcm
Cell Parameters:
a = 6.759(5) Å, c = 4.720(5) Å
Ratio:
a:c = 1 : 0.698
Unit Cell Volume:
V 186.74 ų (Calculated from Unit Cell)
Z:
2
Comment:
By analogy to synthetic, isotypic Mn5Si3.

Chemical Properties of Xifengite

Formula:
Fe5Si3
Essential elements:
All elements listed in formula:

Relationship of Xifengite to other Species

1.BB.ZangboiteTiFeSi2
1.BB.05Suessite(Fe,Ni)3Si
1.BB.05MavlyanoviteMn5Si3
1.BB.10UM2001-18-Si:CuPtSn(Cu,Pt)4Si
1.BB.10Perryite(Ni,Fe)5(Si,P)2
1.BB.15FersiliciteFeSi
1.BB.15NaquiteFeSi
1.BB.20FerdisiliciteFeSi2
1.BB.20LinzhiiteFeSi2
1.BB.25LuobusaiteFe0.84Si2
1.BB.30GupeiiteFe3Si
1.BB.35HapkeiteFe2Si
2.1MoissaniteSiC
2.2SinoiteSi2N2O
2.3OsborniteTiN
2.4TongbaiteCr3C2
2.5CarlsbergiteCrN
2.6SiderazotFe5N2
2.7GupeiiteFe3Si
2.9Khamrabaevite(Ti,V,Fe)C
2.10Haxonite(Fe,Ni)23C6
2.11Cohenite(Fe,Ni,Co)3C
2.12Roaldite(Fe,Ni)4N
2.13Suessite(Fe,Ni)3Si
2.14Schreibersite(Fe,Ni)3P
2.15Barringerite(Fe,Ni)2P
2.16Perryite(Ni,Fe)5(Si,P)2
1.1.33.1Suessite(Fe,Ni)3Si
1.1.33.2FersiliciteFeSi
1.1.33.3FerdisiliciteFeSi2
1.1.33.5GupeiiteFe3Si

Other Names for Xifengite

Name in Other Languages:
German:Xifengit
Simplified Chinese:喜峰矿
Spanish:Xifengita

Other Information

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 Xifengite

Reference List:
Yu Zuxiang (1984): Two new minerals gupeiite and xifengite in cosmic dusts from Yanshan. Acta Petrologica Mineralogica et Analytica 3(3), 231-238 (in Chinese with English abstract). - American Mineralogist (1986), 71, 228 (abstract).

Chemical Abstracts 103, 90560.

Internet Links for Xifengite

Localities for Xifengite

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 for a valid mineral species. (FRL) indicates first recorded locality for everything else. ? 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 (TL)
 
  • Hebei Province
    • Chengde Prefecture
      • Yan Mts (Yanshan)
Zuxiang Yu (1984): Acta Petrologica Mineralogica et Analytica 3(3), 231-240
  • Zhejiang Province
    • Lishui Prefecture
Xiongjian Hu (1991): Acta Mineralogica Sinica 1l(3), 285-289.
Pacific Ocean
 
  • Mid-Pacific Rise
[AmMin 87:182]
Russia
 
  • Urals Region
    • Middle Urals
      • Sverdlovskaya Oblast'
        • Isovsky District
P.M. Kartashov data
Mineral and/or Locality  
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