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Linzhiite

A valid IMA mineral species

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Photos of Linzhiite (2)

Search Photos of Linzhiite

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Linzhiite, etc.

Poltava series, Zachativsk station, Donetsk, Donetsk Oblast, Ukraine

Linzhiite, etc.

Poltava series, Zachativsk station, Donetsk, Donetsk Oblast, Ukraine

Linzhiite, etc.

Poltava series, Zachativsk station, Donetsk, Donetsk Oblast, Ukraine

Linzhiite, etc.

Poltava series, Zachativsk station, Donetsk, Donetsk Oblast, Ukraine

Linzhiite, etc.

Poltava series, Zachativsk station, Donetsk, Donetsk Oblast, Ukraine

Linzhiite, etc.

Poltava series, Zachativsk station, Donetsk, Donetsk Oblast, Ukraine

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About LinzhiiteHide

Formula:

FeSi₂

Colour:

Steel grey

Lustre:

Metallic

Hardness:

6½

Specific Gravity:

4.972 (Calculated)

Crystal System:

Tetragonal

Name:

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.

Type Locality:

ⓘ Luobusha ophiolite ("Luobusa ophiolite"), Qusum Co. (Qusong Co.), Shannan Prefecture (Lhokha Prefecture; Lhoka Prefecture), Tibet, China

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.

Unique IdentifiersHide

Mindat ID:

40150

Long-form identifier:

mindat:1:1:40150:6

GUID
(UUID V4):

374640c0-fbb0-4bb1-817c-0be1316438d7

IMA Classification of LinzhiiteHide

IMA status:

Approved

Approval year:

2010

First published:

2012

Type description reference:

Li, Guowu, Bai, Wenji, Shi, Nicheng, Fang, Qinsong, Xiong, Ming, Yang, Jingsui, Ma, Zhesheng, Rong, He (2012) Linzhiite, FeSi2, a redefined and revalidated new mineral species from Luobusha, Tibet, China. European Journal of Mineralogy, 24 (6) 1047-1052 doi:10.1127/0935-1221/2012/0024-2237

Classification of LinzhiiteHide

Strunz-mindat (2024):

1.BB.20

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

Dana 8th ed.:

1.1.33.3

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

Mineral SymbolsHide

As of 2021 there are now IMA–CNMNC approved mineral symbols (abbreviations) for each mineral species, useful for tables and diagrams.

Symbol	Source	Reference
Lzh	IMA–CNMNC	Warr, L.N. (2021). IMA–CNMNC approved mineral symbols. Mineralogical Magazine, 85(3), 291-320. doi:10.1180/mgm.2021.43

Physical Properties of LinzhiiteHide

Lustre:

Metallic

Transparency:

Opaque

Colour:

Steel grey

Streak:

Greyish-black

Hardness:

6½ on Mohs scale

Tenacity:

Brittle

Cleavage:

None Observed

Fracture:

Conchoidal

Density:

4.972 g/cm³ (Calculated)

Chemistry of LinzhiiteHide

Mindat Formula:

FeSi₂

Elements listed:

Fe, Si - search for minerals with similar chemistry

Crystallography of LinzhiiteHide

Crystal System:

Tetragonal

Class (H-M):

4/mmm (4/m 2/m 2/m) - Ditetragonal Dipyramidal

Space Group:

P4/mmm

Setting:

P4/mmm

Cell Parameters:

a = 2.725(3) Å, c = 5.202(10) Å

Ratio:

a:c = 1 : 1.909

Unit Cell V:

38.63 Å³ (Calculated from Unit Cell)

Morphology:

Irregular grains ranging from 0.04 to 0.5 mm in diameter.

Crystal StructureHide

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Data courtesy of the American Mineralogist Crystal Structure Database. Click on an AMCSD ID to view structure

ID	Species	Reference	Year	Locality	Temp (K)
0019595	Linzhiite	Li 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 1047-1052	2012	Luobusha, Tibet, China	293
0018915	Linzhiite	Aronsson B (1960) A note on the compositions and crystal structures of MnB2, Mn3Si, Mn5Si3 and FeSi2 Acta Chemica Scandinavica 14 1414-1418	1960	synthetic	293
0019717	Linzhiite	Li 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 21-25	2007	Luobusha, Tibet	293
0019018	Linzhiite	Phragmen G (1923) Om jarn-kisellegeringarnas byggnad Jernkontorets Annaler 107 121-131	1923	synthetic	293

CIF Raw Data - click here to close

data_global
_chemical_name_mineral 'Linzhiite'
loop_
_publ_author_name
'Li G'
'Bai W'
'Shi N'
'Fang Q'
'Xiong M'
'Yang J'
'Ma Z'
'Rong H'
_journal_name_full 'European Journal of Mineralogy'
_journal_volume 24 
_journal_year 2012
_journal_page_first 1047
_journal_page_last 1052
_publ_section_title
;
 Linzhiite, FeSi2, a redefined and revalidated new mineral
 species from Luobusha, Tibet, China
;
_database_code_amcsd 0019595
_chemical_compound_source 'Luobusha, Tibet, China'
_chemical_formula_sum 'Fe Si2'
_cell_length_a 2.696
_cell_length_b 2.696
_cell_length_c 5.147
_cell_angle_alpha 90
_cell_angle_beta 90
_cell_angle_gamma 90
_cell_volume 37.411
_exptl_crystal_density_diffrn      4.972
_symmetry_space_group_name_H-M 'P 4/m m m'
loop_
_space_group_symop_operation_xyz
  'x,y,z'
  '-y,-x,z'
  'y,x,-z'
  'y,-x,-z'
  '-y,x,z'
  'x,-y,z'
  '-x,y,-z'
  'x,y,-z'
  '-x,-y,z'
  'y,x,z'
  '-y,-x,-z'
  '-y,x,-z'
  'y,-x,z'
  '-x,y,z'
  'x,-y,-z'
  '-x,-y,-z'
loop_
_atom_site_label
_atom_site_fract_x
_atom_site_fract_y
_atom_site_fract_z
_atom_site_U_iso_or_equiv
Fe   0.50000   0.50000   0.00000   0.00700
Si   0.00000   0.00000   0.27170   0.00300

X-Ray Powder DiffractionHide

Powder Diffraction Data:

d-spacing	Intensity
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)

Geological EnvironmentHide

Paragenetic Mode(s):

Paragenetic Mode	Earliest Age (Ga)
Stage 3a: Earth’s earliest Hadean crust	>4.50
7 : Ultramafic igneous rocks
Near-surface Processes
26 : Hadean detrital minerals
Stage 4b: Highly evolved igneous rocks	>3.0
36 : Carbonatites, kimberlites, and related igneous rocks
Stage 5: Initiation of plate tectonics	<3.5-2.5
38 : Ophiolites

Type Occurrence of LinzhiiteHide

Type Locality:

ⓘ Luobusha ophiolite ("Luobusa ophiolite"), Qusum Co. (Qusong Co.), Shannan Prefecture (Lhokha Prefecture; Lhoka Prefecture), Tibet, China

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:

Zangboite

Silicon

Reference:

Li, G., Bai, W., Shi, N., Fang, Q., Xiong, M., Yang, J., Ma, Z., Rong, H. (2012) Linzhiite, FeSi2, a redefined and revalidated mineral species from Luobusha, Tibet, China. European Journal of Mineralogy: 24: 1047-1052.

Download:

https://rruff.info/rruff_1.0/uploads/EJM24_1047.pdf

Synonyms of LinzhiiteHide

Ferdisilicite

IMA2010-011

Common AssociatesHide

Associated Minerals Based on Photo Data:

2 photos of Linzhiite associated with Naquite

FeSi

Related Minerals - Strunz-mindat Grouping Hide

1.BB.	Zangboite	TiFeSi₂	Orth. mmm (2/m 2/m 2/m) : Pbam
1.BB.	Brownleeite	MnSi	Iso. 2 3 : P2₁ 3
1.BB.	Kangjinlaite	Ti₁₁Si₁₀	Tet. 4/mmm (4/m 2/m 2/m) : I4/mmm
1.BB.	Toledoite	TiFeSi	Orth. mm2 : Ima2
1.BB.	Yeite	TiSi	Orth. mmm (2/m 2/m 2/m) : Pnma
1.BB.05	Suessite	(Fe,Ni)₃Si	Iso. m3m (4/m 3 2/m) : Im3m
1.BB.05	Mavlyanovite	Mn₅Si₃	Hex. 6/mmm (6/m 2/m 2/m) : P6₃/mcm
1.BB.10	UM2001-18-Si:CuPtSn	(Cu,Pt)₄Si
1.BB.10	Perryite	(Ni,Fe)₅(Si,P)₂	Trig. 3m : R3c
1.BB.15	Naquite	FeSi	Iso. 2 3 : P2₁ 3
1.BB.25	Luobusaite	Fe_0.84Si₂	Orth. mmm (2/m 2/m 2/m) : Cmca
1.BB.30	Gupeiite	Fe₃Si	Iso. m3m (4/m 3 2/m) : Fm3m
1.BB.35	Hapkeite	Fe₂Si	Iso. m3m (4/m 3 2/m) : Pm3m
1.BB.40	Xifengite	Fe₅Si₃	Hex. 6/mmm (6/m 2/m 2/m) : P6₃/mcm
1.BB.45	Carletonmooreite	Ni₃Si	Iso. m3m (4/m 3 2/m) : Pm3m
1.BB.55	Palladosilicide	Pd₂Si	Hex. 6 m2 : P6₂m
1.BB.65	Zhiqinite	TiSi₂	Orth. mmm (2/m 2/m 2/m) : Fddd

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.

Internet Links for LinzhiiteHide

mindat.org URL:

https://www.mindat.org/min-40150.html
Please feel free to link to this page.

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External Links:

Look for Linzhiite on Webmineral

Look for Linzhiite on Wikipedia

Look for Linzhiite on Mineralien Atlas

Raman and XRD data at RRUFF project

References and PDF downloads at RRUFF project

American Mineralogist Crystal Structure Database

Handbook of Mineralogy page PDF

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References for LinzhiiteHide

Reference List:

Aronsson, B. (1960) A note on the compositions and crystal structures of MnB2, Mn3Si, Mn5Si3 and FeSi2. Acta Chemica Scandinavica: 14: 1414-1418.

Gevork’yan, V.Kh. (1969) The occurrence of natural ferrosilicon in the northern Azov region. Doklady Akademii Nauk SSSR: 185: 416-418.

Fleischer, M. (1969) New mineral names. American Mineralogist: 54(11-12): 1732-1742.

Wei, J., Zheng, Z., Chen, S. (1985) A study on ferdisilicite and its geological implications. Acta Mineralogica Sinica: 2: 184-186.

Hu, X. (1991) A preliminary study on ferrosilicium from the Proterozoic, southwestern Zhejiang Province. Acta Mineralogica Sinica: 11(3): 285-289 (in Chinese with English abstract).

Williams, P. A., Hatert, F., Pasero, M., Mills, S. J. (2010) New minerals and nomenclature modifications approved in 2010. CNMNC Newsletter No 3. Mineralogical Magazine, 74 (3) 577-579 doi:10.1180/s0026461x00054979

Camara, F., Gatta, G. D., Uvarova, Y., Gagne, O. C., Belakovskiy, D. I. (2014) New Mineral Names,. American Mineralogist, 99 (7) 1511-1518 doi:10.2138/am.2014.646

(2023) Linzhiite. Handbook of Mineralogy. Mineralogical Society of America

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 references and 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 (e.g. from pseudomorphs).

All localities listed without proper references should be considered as questionable.


China
Jiangsu Lianyungang Donghai Co. ⓘ Unnamed Cr occurrence	Jinsheng Wei et al. (1985)
Shandong ⓘ Jiaodong Peninsula (Jiaodong Gold Province)	Qirong Liu et al. (1995)
Tibet Shannan Prefecture (Lhokha Prefecture; Lhoka Prefecture) Qusum Co. (Qusong Co.) ⓘ Luobusha ophiolite ("Luobusa ophiolite") (TL)	Williams et al. (2010) +1 other reference
Zhejiang Lishui ⓘ Longquan	Xiongjian Hu (1991)

Oman
Dhofar Governorate ⓘ Dhofar 280 Lunar meteorite (Dho 280)	Mahesh Anand et al. (2004)

Russia
Bashkortostan Ishimbaysky District ⓘ Utar-Yurt	Rappenglück (2022)
Krasnoyarsk Krai Targhasa massif ⓘ Kaltat Creek	L. N. Novoselova (1986) +1 other reference
ⓘ Sakha ?	Marshintsev (1990) +1 other reference
Mirninsky District Mirny ⓘ Mirny Mine	Rappenglück (2022)
Sverdlovsk Oblast Nizhnii Tagil ⓘ Chusovai︠a︡ river	Rappenglück (2022)

Ukraine
ⓘ Bilokorovitsky structure	Rappenglück (2022)
Crimea ⓘ Kamenolomnya	Rappenglück (2022)
Donetsk Oblast Donetsk Zachativsk station ⓘ Poltava series	Gevork’yan (1969) +2 other references

USA
Michigan Roscommon County ⓘ Houghton Lake	Stefano +2 other references

Linzhiite

About LinzhiiteHide

Unique IdentifiersHide

IMA Classification of LinzhiiteHide

Classification of LinzhiiteHide

Mineral SymbolsHide

Physical Properties of LinzhiiteHide

Chemistry of LinzhiiteHide

Crystallography of LinzhiiteHide

Crystal StructureHide

X-Ray Powder DiffractionHide

Geological EnvironmentHide

Type Occurrence of LinzhiiteHide

Synonyms of LinzhiiteHide

Common AssociatesHide

Related Minerals - Strunz-mindat GroupingHide

Other InformationHide

Internet Links for LinzhiiteHide

References for LinzhiiteHide

Localities for LinzhiiteHide

Locality ListHide

Related Minerals - Strunz-mindat Grouping Hide