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About LinzhiiteHide

Steel grey
Specific Gravity:
4.972 (Calculated)
Crystal System:
First described, without CNMMN approval as "Ferdisilicite" (FeSi2), the first described member of the Fe–Si alloy mineral series by Gevork’yan (1969). Redefined as a new mineral, revalidated with the new name linzhiite with a CNMNC approval (IMA 2010-011). Linzhiite is named for the Linzhi Prefecture, which is situated close to the type locality.
Originally reported as "ferdisilicite" from Poltava series, Zachativsk station, Donets (Donetsk) region, Donets'k Oblast' (Donetsk Oblast'), Ukraine.

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 LinzhiiteHide

Approval Year:

1 : ELEMENTS (Metals and intermetallic alloys; metalloids and nonmetals; carbides, silicides, nitrides, phosphides)
B : Metallic Carbides, Silicides, Nitrides and Phosphides
B : Silicides

1 : Metals, other than the Platinum Group

Physical Properties of LinzhiiteHide

Steel grey
6½ on Mohs scale
None Observed
4.972 g/cm3 (Calculated)

Chemical Properties of LinzhiiteHide


Crystallography of LinzhiiteHide

Crystal System:
Class (H-M):
4/mmm (4/m 2/m 2/m) - Ditetragonal Dipyramidal
Space Group:
Cell Parameters:
a = 2.725(3) Å, c = 5.202(10) Å
a:c = 1 : 1.909
Unit Cell V:
38.63 ų (Calculated from Unit Cell)
Irregular grains ranging from 0.04 to 0.5 mm in diameter.

Crystal StructureHide

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IDSpeciesReferenceLinkYearLocalityPressure (GPa)Temp (K)
0019595LinzhiiteLi G, Bai W, Shi N, Fang Q, Xiong M, Yang J, Ma Z, Rong H (2012) Linzhiite, FeSi2, a redefined and revalidated new mineral species from Luobusha, Tibet, China European Journal of Mineralogy 24 1047-10522012Luobusha, Tibet, China0293
0018915LinzhiiteAronsson B (1960) A note on the compositions and crystal structures of MnB2, Mn3Si, Mn5Si3 and FeSi2 Acta Chemica Scandinavica 14 1414-14181960synthetic0293
0019717LinzhiiteLi G, Shi N, Xiong M, Ma Z, Bai W, Fang Q (2007) X-ray diffraction investigation of native Si-Fe alloy minerals from Luobusha, Tibet Frontiers of Earth Science in China 1 21-252007Luobusha, Tibet0293
0019018LinzhiitePhragmen G (1923) Om jarn-kisellegeringarnas byggnad Jernkontorets Annaler 107 121-1311923synthetic0293
CIF Raw Data - click here to close

X-Ray Powder DiffractionHide

Powder Diffraction Data:
5.150 Å(95)
2.373 Å(66)
1.895 Å(61)
1.848 Å(100)
1.776 Å(11)
1.704 Å(13)
1.340 Å(15)
1.086 Å(19)

Type Occurrence of LinzhiiteHide

General Appearance of Type Material:
As irregular grains ranging from 0.04 to 0.5 mm in diameter and intergrowths with zangboite and native silicon.
Place of Conservation of Type Material:
Geological Museum of China (specimen no. M11799).
Institute of Geology, Chinese Academy of Geological Sciences, Beijing, P.R. China, catalog no. 97-6.
Geological Setting of Type Material:
In a podiform chromitite from the Luobusha ophiolite, Tibet.
Associated Minerals at Type Locality:

Synonyms of LinzhiiteHide

Common AssociatesHide

Associated Minerals Based on Photo Data:
1 photo of Linzhiite associated with FersiliciteFeSi

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)3SiIso. m3m (4/m 3 2/m) : Im3m
1.BB.05MavlyanoviteMn5Si3Hex. 6/mmm (6/m 2/m 2/m) : P63/mcm
1.BB.15NaquiteFeSiIso. 2 3 : P21 3
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 2 3 : P21 3 m3m (4/m 3 2/m) : Pm3m mmm (2/m 2/m 2/m) : Cmca mmm (2/m 2/m 2/m) : Pbam 6/mmm (6/m 2/m 2/m) : P63/mcm

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 LinzhiiteHide

Reference List:
Sort by Year (asc) | by Year (desc) | by Author (A-Z) | by Author (Z-A)
Gevork’yan (1969) The occurrence of natural ferrosilicon in the northern Azov region. Dokl. Ahad. Nauk. SSSR: 185: 4l6-418.
Jinsheng Wei, Zili Zheng, Sisong Chen (1985) A study on ferdisilicite and its geological implications. Acta Mineralogica Sinica: 2: 184-186.
Xiongjian Hu (1991) A preliminary study on ferrosilicium from the Proterozoic, southwestern Zhejiang Province. Acta Mineralogica Sinica: 11(3): 285-289 (in Chinese with English abstract).
Li, G-W., et al. (2010) Linzhiite, IMA 2010-011. CNMNC Newsletter, June 2010, p.579; Mineralogical Magazine: 74: 577-679.
Li Guowu, Bai Wenji, Shi Nicheng, Fang Qinsong, Xiong Ming, Yang Jingsui, Ma Zhesheng, Rong He (2012) Linzhiite, FeSi2, a redefined and revalidated mineral species from Luobusha, Tibet, China. European Journal of Mineralogy: 24: 1047-1052.

Internet Links for LinzhiiteHide

Localities for LinzhiiteHide

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.
  • Jiangsu
    • Lianyungang
      • Donghai Co.
Jinsheng Wei, Zili Zheng, and Sisong Chen (1985): Acta Mineralogica Sinica (2), 184-186
  • Shandong
Qirong Liu, Qixin Tan, Yuchi Jiang, Chunrui Han, Yan Sun, and Chengwen Zhu (1995): Marine Geology and Quaternary Geology 15(4)
  • Tibet
    • Shannan Prefecture (Lhokha Prefecture; Lhoka Prefecture)
      • Qusum Co. (Qusong Co.)
CNMNC Newsletter, June 2010,p.579. Min. Mag, 74,579; Li Guowu, Bai Wenji, Shi Nicheng, Fang Qinsong, Xiong Ming, Yang Jingsui, Ma Zhesheng, Rong He (2012): Linzhiite, FeSi2, a redefined and revalidated mineral species from Luobusha, Tibet, China. European Journal of Mineralogy, 24, 1047-1052.
  • Zhejiang
    • Lishui
Xiongjian Hu (1991): Acta Mineralogica Sinica 11(3), 285-289.
  • Dhofar Governorate
Mahesh Anand, Lawrence A. Taylor, Mikhail A. Nazarov, J. Shu, H.K. Mao, and Russell J. Hemley (2004) Space weathering on airless planetary bodies: Clues from the lunar mineral hapkeite. PNAS 101:6847–6851
  • Krasnoyarsk Krai
    • Targhasa massif
L. N. Novoselova, A. Yu. Lyul (1986) Geochemical characteristics of iron silicides from Lower Cambrian reefal limestones, Krasnoyarsk. International Geology Review 28:114-118
Marshintsev, V.K. (1990) Natural silicon carbide in kimberlitic rocks of Yakutiya. Mineral. Zhurnal: l2(3): 17-26 (in Russian); in: Jambor, J.L., Grew, E.S. (1992): New mineral Names. American Mineralogist: 77: 208
  • Donetsk Oblast
    • Donetsk
      • Zachativsk station
Gevork’yan (1969): The occurrence of natural ferrosilicon in the northern Azov region. Dokl. Ahad. Nauk. SSSR. . 185, 4l6-418 Am. Mineral. (1994) 79, 188; American Mineralogist 54:1737;
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