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About GupeiiteHide

Black to steel-gray
Specific Gravity:
7.29 (Calculated)
Crystal System:
Named by Yu Zuxiang for an eastern passageway, Gupeikou, of the Great Wall of China.
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.

Classification of GupeiiteHide

First Published:

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 : Metals, other than the Platinum Group

2 : Carbides, Nitrides, Silicides and Phosphides

Physical Properties of GupeiiteHide

Black to steel-gray
7.29 g/cm3 (Calculated)

Optical Data of GupeiiteHide

Colour in reflected light:
Grayish white with a yellow tint

Chemical Properties of GupeiiteHide


Crystallography of GupeiiteHide

Crystal System:
Cell Parameters:
a = 5.67 Å
Unit Cell V:
182.28 ų (Calculated from Unit Cell)

X-Ray Powder DiffractionHide

Powder Diffraction Data:
3.26 (30)
2.83 (30)
2.00 (90)
1.706 (20)
1.415 (60)
1.156 (100)
1.003 (70)

Type Occurrence of GupeiiteHide

General Appearance of Type Material:
Cores of spheres 0.1-0.5 mm in diameter.
Place of Conservation of Type Material:
Institute of Geology, Chinese Academy of Geological Sciences, Beijing, China.
Geological Setting of Type Material:
Found in a placer deposit, but thought to be of extraterrestrial origin.

Synonyms of GupeiiteHide

Other Language Names for GupeiiteHide

Simplified Chinese:古北矿

Common AssociatesHide

Associated Minerals Based on Photo Data:
Xifengite5 photos of Gupeiite associated with Xifengite on mindat.org.
Naquite3 photos of Gupeiite associated with Naquite on mindat.org.
Fersilicite2 photos of Gupeiite 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.05MavlyanoviteMn5Si3Hex. 6/mmm (6/m 2/m 2/m) : P63/mcm
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.35HapkeiteFe2SiIso. m3m (4/m 3 2/m) : Pm3m
1.BB.40XifengiteFe5Si3Hex. 6/mmm (6/m 2/m 2/m) : P63/mcm

Related Minerals - Dana Grouping (8th Ed.)Hide,Ni)3Si 6/mmm (6/m 2/m 2/m) : P63/mcm,Cu)Al2

Related Minerals - Hey's Chemical Index of Minerals GroupingHide

2.1MoissaniteSiCHex. 6mm : P63mc
2.3OsborniteTiNIso. m3m (4/m 3 2/m) : Fm3m
2.5CarlsbergiteCrNIso. m3m (4/m 3 2/m) : Fm3m
2.8XifengiteFe5Si3Hex. 6/mmm (6/m 2/m 2/m) : P63/mcm
2.10Haxonite(Fe,Ni)23C6Iso. m3m (4/m 3 2/m) : Fm3m
2.14Schreibersite(Fe,Ni)3PTet. 4 : I4
2.15Barringerite(Fe,Ni)2PHex. 6 m2 : P62m

Other InformationHide

Strongly magnetic
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 GupeiiteHide

Reference List:
Sort by Year (asc) | by Year (desc) | by Author (A-Z) | by Author (Z-A)
Farquhar, M.C.M., Lipson, H., Weill, A.R. (1945) An X-ray study of iron-rich iron-silicon alloys. Journal of the Iron and Steel Institute: 152: 457-472.
Babanova, Y.N., Sidorenko, F.A., Gel'd, P.V., Basov, N.I. (1974) Ordering of solid solutions (Fe1-xMnx)3Si. Physics of Metals and Metallography: 38: 122-126.
Buschow, K.H.J., van Engen, P.G., Jongebreur, R. (1983) Magneto-optical properties of metallic ferromagnetic materials. Journal of Magnetism and Magnetic Materials: 38: 1-22.
Yu, Z. (1984) Two new minerals gupeiite and xifengite in cosmic dusts from Yanshan. Acta Petrologica Mineralogica et Analytica: 3(3): 231-238.
Kanematsu, K. (1986) Stability of crystal structure of (Fe,V)3M and (Fe,Ni)3M (M=Si, Ge, Sn) and its analysis based on rigid band model. Transactions of the Japan Institute of Metals: 27: 225-232.
Dunn, P.J., Chao, G.Y., Fitzpatrick, J.J., Langley, R.H., Fleischer, M., Zilczer, J.A. (1986) New mineral names. American Mineralogist: 71: 227-232.
Chemical Abstracts: 103.

Internet Links for GupeiiteHide

Localities for GupeiiteHide

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
    • Chengde
      • Yan Mts (Yanshan Mts)
Zuxiang Yu (1984): Acta Petrologica Mineralogica et Analytica 3(3), 231-240
  • Haifa District
    • Mount Carmel
Griffin, W. L., Gain, S. E. M., Adams, D. T., Huang, J. X., Saunders, M., Toledo, V., ... & O’Reilly, S. Y. (2016). First terrestrial occurrence of tistarite (Ti2O3): Ultra-low oxygen fugacity in the upper mantle beneath Mount Carmel, Israel. Geology, 44(10), 815-818.
  • Lower Silesia
    • Kłodzko District
Kruszewski, Ł., Ciesielczuk, J., Misz-Kennan, M., Fabiańska, M. (2014): Chemical composition of glasses and associating mineral species in various pyrometamorphic rocks from coal-mining dumps of the Lower Silesia. Mineralogia Special Papers: 42: 70-71
Kruszewski, Ł., Ciesielczuk, J., Misz-Kennan, M., Fabiańska, M. (2014): Chemical composition of glasses and associating mineral species in various pyrometamorphic rocks from coal-mining dumps of the Lower Silesia. Mineralogia Special Papers: 42: 70-71
  • Sverdlovsk Oblast
    • Isovsky District
P.M. Kartashov data
Mineral and/or Locality  
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