4.DJ.05

4 : OXIDES (Hydroxides, V[5,6] vanadates, arsenites, antimonites, bismuthites, sulfites, selenites, tellurites, iodates)
D : Metal: Oxygen = 1:2 and similar
J : With large (+- medium-sized) cations; polyhedral frameworks

Dana 8th ed.:

8.6.2.3

8 : MULTIPLE OXIDES CONTAINING NIOBIUM,TANTALUM OR TITANIUM
6 : (AB)₆O₁₁·nH₂O

Hey's CIM Ref.:

18.1.6

18 : Niobates and Tantalates
1 : Niobates and tantalates containing neither rare earths nor U

Physical Properties of IrtyshiteHide

Lustre:

Adamantine

Transparency:

Transparent

Colour:

colorless

Hardness:

7 on Mohs scale

Hardness:

VHN₂₀=1190 kg/mm² - Vickers

Tenacity:

Brittle

Cleavage:

None Observed

Fracture:

Irregular/Uneven

Density:

7.03 g/cm³ (Calculated)

Optical Data of IrtyshiteHide

Type:

Uniaxial

Type:

Anisotropic

Pleochroism:

Non-pleochroic

Chemical Properties of IrtyshiteHide

Formula:

Na₂(Ta,Nb)₄O₁₁

IMA Formula:

Na₂Ta₄O₁₁

Elements listed:

Na, O, Ta - search for minerals with similar chemistry

Crystallography of IrtyshiteHide

Crystal System:

Hexagonal

Cell Parameters:

a = 6.23 Å, c = 36.77 Å

Ratio:

a:c = 1 : 5.902

Unit Cell V:

1,235.95 Å³ (Calculated from Unit Cell)

Comment:

Р6 3/m ог Р6 3

X-Ray Powder DiffractionHide

Powder Diffraction Data:

d-spacing	Intensity
6.13	(7)
5.18	(6)
3.082	(9)
3.029	(10)
2.780	(9)
2.480	(6)

Type Occurrence of IrtyshiteHide

Type Locality:

ⓘ Ungursai Ta Deposit, Irtysh River, Kalba Range, East Kazakhstan, Kazakhstan

General Appearance of Type Material:

veins (0.02x0.2mm) and irregular grains (0.05mm)

Place of Conservation of Type Material:

Fersman Museum

Geological Setting of Type Material:

Granitic pegmatites

Associated Minerals at Type Locality:

Synonyms of IrtyshiteHide

IMA1984-025

Other Language Names for IrtyshiteHide

German:Irtyshit

Spanish:Irtyshita

Relationship of Irtyshite to other SpeciesHide

Member of:

Natrotantite Group

Other Members of this group:

Calciotantite	CaTa₄O₁₁	Hex.
Natrotantite	Na₂Ta₄O₁₁	Mon.

Related Minerals - Nickel-Strunz Grouping Hide

4.DJ.05	Calciotantite	CaTa₄O₁₁	Hex.
4.DJ.05	Natrotantite	Na₂Ta₄O₁₁	Mon.

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

8.6.2.1	Calciotantite	CaTa₄O₁₁	Hex.
8.6.2.2	Natrotantite	Na₂Ta₄O₁₁	Mon.

Related Minerals - Hey's Chemical Index of Minerals Grouping Hide

18.1.1	Lithiotantite	LiTa₃O₈	Mon.
18.1.2	Lueshite	NaNbO₃	Orth. mmm (2/m 2/m 2/m)
18.1.3	Natroniobite	NaNbO₃	Mon.
18.1.4	Franconite	Na(Nb₂O₅)(OH) · 3H₂O	Mon.
18.1.5	Natrotantite	Na₂Ta₄O₁₁	Mon.
18.1.7	Rankamaite	(Na,K)₃(Ta,Nb,Al)₁₁(O,OH)₃₁	Orth. mmm (2/m 2/m 2/m) : Cmmm
18.1.8	Hydropyrochlore	(H₂O,□)₂Nb₂(O,OH)₆(H₂O)	Iso. m3m (4/m 3 2/m) : Fd3m
18.1.9	Calciotantite	CaTa₄O₁₁	Hex.
18.1.10	Rynersonite	CaTa₂O₆	Orth. mmm (2/m 2/m 2/m)
18.1.11	Microlite Group	A_2-mTa₂X_6-wZ_-n	Iso. m3m (4/m 3 2/m) : Fd3m
18.1.12	Belyankinite	Ca_1-2(Ti,Nb)₅O₁₂ · 9H₂O (?)	Amor.
18.1.13	Latrappite	Ca₂NbFe³⁺O₆	Orth. mmm (2/m 2/m 2/m) : Pnma
18.1.14	Hochelagaite	(Ca,Na,Sr)(Nb,Ti,Si,Al)₄O₁₁ · 8H₂O	Mon.
18.1.15	Bariomicrolite (of Hogarth 1977)		Iso. m3m (4/m 3 2/m) : Fd3m
18.1.16	Parabariomicrolite	BaTa₄O₁₀(OH)₂ · 2H₂O	Trig.
18.1.17	Bariopyrochlore (of Hogarth 1977)	A₂Nb₂(O,OH)₆Z	Iso. m3m (4/m 3 2/m) : Fd3m
18.1.18	Alumotantite	AlTaO₄	Orth. mmm (2/m 2/m 2/m) : Pbcn
18.1.19	Simpsonite	Al₄(Ta,Nb)₃O₁₃(OH,F)	Trig. 3 : P3
18.1.20	Sosedkoite	(K,Na)₅Al₂(Ta,Nb)₂₂O₆₀	Orth.
18.1.21	Thoreaulite	(Sn²⁺,Pb)(Ta,Nb)₂O₆	Mon.
18.1.22	Stannomicrolite (of Hogarth 1977)
18.1.23	Foordite	Sn²⁺(Nb,Ta)₂O₆	Mon. 2/m : B2/b
18.1.24	Changbaiite	PbNb₂O₆	Trig.
18.1.25	Plumbopyrochlore (of Skorobogatova et al.)	A₂Nb₂(O,OH)₆Z
18.1.26	Plumbomicrolite (of Hogarth 1977)
18.1.27	Stibiocolumbite	Sb(Nb,Ta)O₄	Orth. mm2
18.1.28	Stibiotantalite	Sb(Ta,Nb)O₄	Orth. mm2
18.1.29	Natrobistantite		Iso.
18.1.30	Cesplumtantite	(Cs,Na)₂(Pb,Sb³⁺)₃Ta₈O₂₄	Tet.
18.1.31	Stibiomicrolite (of Groat et al.)
18.1.32	Cesstibtantite
18.1.34	Bismutotantalite	Bi(Ta,Nb)O₄	Orth.
18.1.35	Bismutomicrolite (of Hogarth 1977)		Iso. m3m (4/m 3 2/m) : Fd3m
18.1.36	Tantalite-(Mn)	Mn²⁺Ta₂O₆	Orth. mmm (2/m 2/m 2/m) : Pbcn
18.1.37	Gerasimovskite	(Mn,Ca)(Nb,Ti)₅O₁₂ · 9H₂O
18.1.38	Tapiolite-(Mn)	(Mn,Fe)(Ta,Nb)₂O₆	Tet. 4/mmm (4/m 2/m 2/m) : P4₂/mnm
18.1.39	Columbite-(Mn)	Mn²⁺Nb₂O₆	Orth. mmm (2/m 2/m 2/m) : Pbcn
18.1.40	Wodginite	Mn²⁺Sn⁴⁺Ta₂O₈	Mon.
18.1.41	Ixiolite	(Ta,Nb,Sn,Fe,Mn)₄O₈	Orth.
18.1.42	Columbite-(Fe)	Fe²⁺Nb₂O₆	Orth. mmm (2/m 2/m 2/m) : Pbcn
18.1.43	Tantalite-(Fe)	Fe²⁺Ta₂O₆	Orth. mmm (2/m 2/m 2/m) : Pbcn
18.1.44	Columbite		Orth. mmm (2/m 2/m 2/m) : Pbcn
18.1.45	Tantalite	(Mn,Fe)(Ta,Nb)₂O₆
18.1.46	Tapiolite	(Fe,Mn)(Ta,Nb)₂O₆	Tet. 4/mmm (4/m 2/m 2/m)
18.1.47	Tapiolite-(Fe)	(Fe,Mn)(Ta,Nb)₂O₆	Tet. 4/mmm (4/m 2/m 2/m) : P4₂/mnm
18.1.48	Columbite-(Mg)	(Mg,Fe,Mn)(Nb,Ta)₂O₆	Orth.
18.1.50	Strüverite	(Ti,Ta,Fe)O₂
18.1.51	Staringite	(Fe,Mn)_x(Ta,Nb)_2xSn_6-3xO₁₂

Other InformationHide

Notes:

yellow-green cathodoluminescence

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 IrtyshiteHide

Reference List:

Sort by Year (asc) | by Year (desc) | by Author (A-Z) | by Author (Z-A)

Voloshin A V, Pakhomovsky Y A, Bulgak L V, Perlina G A (1985) Irtyshite - a new mineral from granitic pegmatites. Mineralogiceskij Zhurnal 7, 83-87

American Mineralogist (1986): 71: 1545.

Internet Links for IrtyshiteHide

mindat.org URL:

https://www.mindat.org/min-2049.html
Please feel free to link to this page.

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External Links:

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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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Localities for IrtyshiteHide

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.


Kazakhstan (TL)
East Kazakhstan Kalba Range Irtysh River ⓘ Ungursai Ta Deposit (TL)	Pekov, I. (1998) Minerals First discovered on the territory of the former Soviet Union 369p. Ocean Pictures, Moscow
Ulan ⓘ Ognevka Ta Deposit	Волошин АВ и др. Минералогический журнал 7(1985)3, 83-87

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Irtyshite

Classification of IrtyshiteHide