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Xifengite

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Formula:
Fe5Si3
Colour:
Grey, Steel-black
Lustre:
Metallic
Hardness:
5
Crystal System:
Hexagonal
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. One of many natural Fe-Si phases; beside the approved species (listed below) you may want to compare Unnamed (Fe silicide I), Unnamed (Fe silicide II) and UM2000-60-Si:Fe.


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Classification of XifengiteHide

Approved
Approval Year:
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

Physical Properties of XifengiteHide

Metallic
Transparency:
Opaque
Colour:
Grey, Steel-black
Streak:
Black
Hardness:

Chemical Properties of XifengiteHide

Formula:
Fe5Si3

Crystallography of XifengiteHide

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 V:
186.74 ų (Calculated from Unit Cell)
Z:
2
Comment:
By analogy to synthetic, isotypic Mn5Si3.

Type Occurrence of XifengiteHide

Synonyms of XifengiteHide

Other Language Names for XifengiteHide

German:Xifengit
Simplified Chinese:喜峰矿
Spanish:Xifengita

Common AssociatesHide

Associated Minerals Based on Photo Data:
Gupeiite5 photos of Xifengite associated with Gupeiite on mindat.org.
Naquite3 photos of Xifengite associated with Naquite on mindat.org.
Fersilicite2 photos of Xifengite associated with Fersilicite on mindat.org.

Related Minerals - Nickel-Strunz GroupingHide

1.BB.ZangboiteTiFeSi2Orth. mmm (2/m 2/m 2/m) : Pbam
1.BB.BrownleeiteMnSiIso. 2 3 : P21 3
1.BB.05Suessite(Fe,Ni)3Si
1.BB.05MavlyanoviteMn5Si3Hex. 6/mmm (6/m 2/m 2/m) : P63/mcm
1.BB.10UM2001-18-Si:CuPtSn(Cu,Pt)4Si
1.BB.10Perryite(Ni,Fe)5(Si,P)2Trig.
1.BB.15NaquiteFeSiIso. 2 3 : P21 3
1.BB.20LinzhiiteFeSi2Tet. 4/mmm (4/m 2/m 2/m) : P4/mmm
1.BB.25LuobusaiteFe0.84Si2Orth. mmm (2/m 2/m 2/m) : Cmca
1.BB.30GupeiiteFe3SiIso.
1.BB.35HapkeiteFe2SiIso. m3m (4/m 3 2/m) : Pm3m

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

1.1.23.1Suessite(Fe,Ni)3Si
1.1.23.2GupeiiteFe3SiIso.
1.1.23.3UM1985-02-E:AlZn(Zn,Cu)Al2

Related Minerals - Hey's Chemical Index of Minerals GroupingHide

2.1MoissaniteSiCHex. 6mm : P63mc
2.2SinoiteSi2N2OOrth.
2.3OsborniteTiNIso. m3m (4/m 3 2/m) : Fm3m
2.4TongbaiteCr3C2Orth.
2.5CarlsbergiteCrN
2.6SiderazotFe5N2Hex.
2.7GupeiiteFe3SiIso.
2.9Khamrabaevite(Ti,V,Fe)C
2.10Haxonite(Fe,Ni)23C6Iso. m3m (4/m 3 2/m) : Fm3m
2.11CoheniteFe3COrth.
2.12Roaldite(Fe,Ni)4N
2.13Suessite(Fe,Ni)3Si
2.14Schreibersite(Fe,Ni)3PTet. 4 : I4
2.15Barringerite(Fe,Ni)2PHex. 6 m2 : P62m
2.16Perryite(Ni,Fe)5(Si,P)2Trig.

Other InformationHide

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 XifengiteHide

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

Localities for XifengiteHide

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
      • Yan Mts (Yanshan Mts)
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
 
  • Far-Eastern Region
    • Koriak Autonomous Okrug
      • Koryak Upland (Koriak; Koriakskhiye)
        • Iomrautvaam Massif
          • Chetkinvaiam tectonic melange
            • Khatyrka river
              • Listvenitovyi stream
Ma, C., Lin, C., Bindi, L., Steinhardt, P.J. (2016): Discovery of new Al-Cu-Fe minerals in the Khatyrka CV3 meteorite. 79th Annual Meeting of the Meteoritical Society, PDF no. 6017. [http://www.hou.usra.edu/meetings/metsoc2016/pdf/6017.pdf]
  • Urals Region
    • Middle Urals
      • Sverdlovskaya Oblast'
        • Isovsky District
P.M. Kartashov data
Mineral and/or Locality  
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