Approved by IMA in 2003 as a new species with the name magnesiotantalite (IMA 2002-018).
2007: Renamed by IMA as tantalite-(Mg), proposal IMA 07-C ( Burke 2008).

Strunz 8th ed.:

4/D.18-35

Nickel-Strunz 10th (pending) ed.:

4.DB.35

4 : OXIDES (Hydroxides, V[5,6] vanadates, arsenites, antimonites, bismuthites, sulfites, selenites, tellurites, iodates)
D : Metal: Oxygen = 1:2 and similar
B : With medium-sized cations; chains of edge-sharing octahedra

Physical Properties of Tantalite-(Mg)Hide

Lustre:

Metallic

Transparency:

Opaque

Colour:

Black

Streak:

Brownish red

Hardness:

5½ on Mohs scale

Tenacity:

Brittle

Density:

6.73 g/cm³ (Measured)

Chemical Properties of Tantalite-(Mg)Hide

Formula:

(Mg,Fe²⁺)(Ta,Nb)₂O₆

IMA Formula:

MgTa₂O₆

Elements listed:

Fe, Mg, Nb, O, Ta - search for minerals with similar chemistry

Crystallography of Tantalite-(Mg)Hide

Crystal System:

Orthorhombic

Class (H-M):

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

Cell Parameters:

a = 14.33 Å, b = 5.735 Å, c = 5.058 Å

Ratio:

a:b:c = 2.499 : 1 : 0.882

Unit Cell V:

415.68 Å³ (Calculated from Unit Cell)

X-Ray Powder DiffractionHide

Powder Diffraction Data:

d-spacing	Intensity
3.67	(60)
2.96	(100)
1.73	(70)
1.46	(90)

Occurrences of Tantalite-(Mg)Hide

Paragenetic Mode(s):

• Granitic pegmatite

Type Occurrence of Tantalite-(Mg)Hide

Type Locality:

ⓘ Lipovka Mine (Lipovskoe Mine; Lipovskaya Mine; Lipovaya Mine), Lipovsk pegmatite field, Rezh District, Sverdlovsk Oblast, Russia

General Appearance of Type Material:

Alteration zones to a maximum thickness of about 0.5 mm formed between manganotantalite crystals and the host rock

Chemical Analysis of Type Material:

MgO	5.27 %
FeO	6.71 %
MnO	0.82 %
TiiO₂	0.38 %
Nb₂OS	24.19 %
Ta₂O₅	61.86 %
Total:	99.23 %

Geological Setting of Type Material:

Andesite-calcite lenses in a zoned, metasomatically altered pegmatite vein hosted by serpentinite

Associated Minerals at Type Locality:

Uranmicrolite (of Hogarth 1977)	Tourmaline	Tantalite-(Mn)	Tantalite-(Fe)	Phlogopite
Phenakite	Cordierite	Columbite-(Fe)	Clinochlore	Chrysoberyl
Amphibole Supergroup

Reference:

Pekov, I. V., Yakubovich, O. V., Shcherbachev, D. K., Kononkova, N. N. (2003) Magnesiotantalite (Mg,Fe)(Ta,Nb)2O6, the new columbite-tantalite group mineral from desilicated granite pegmatites of Lipovka (the Central Urals) and its genesis. Zapiski Vserossijskogo Mineralogicheskogo Obshchestva 132 (2): 49-60

Download:

http://rruff.info/rruff_1.0/uploads/ZVMO132N2_49.pdf

Synonyms of Tantalite-(Mg)Hide

IMA2002-018

Magnesiotantalite

Other Language Names for Tantalite-(Mg)Hide

German:Magnesiotantalit

Simplified Chinese:镁铌钽矿

Spanish:Magnesiotantalita

Traditional Chinese:鎂鈮鉭礦

Relationship of Tantalite-(Mg) to other SpeciesHide

Member of:

Columbite Group

Other Members of this group:

Columbite-(Fe)	Fe²⁺Nb₂O₆	Orth. mmm (2/m 2/m 2/m) : Pbcn
Columbite-(Mg)	(Mg,Fe,Mn)(Nb,Ta)₂O₆	Orth.
Columbite-(Mn)	Mn²⁺Nb₂O₆	Orth. mmm (2/m 2/m 2/m) : Pbcn
Qitianlingite	(Fe,Mn)₂(Nb,Ta)₂WO₁₀	Orth.
Tantalite-(Fe)	Fe²⁺Ta₂O₆	Orth. mmm (2/m 2/m 2/m) : Pbcn
Tantalite-(Mn)	Mn²⁺Ta₂O₆	Orth. mmm (2/m 2/m 2/m) : Pbcn

Common AssociatesHide

Associated Minerals Based on Photo Data:

Tantalite-(Mn)	2 photos of Tantalite-(Mg) associated with Tantalite-(Mn) on mindat.org.
Microlite Group	2 photos of Tantalite-(Mg) associated with Microlite Group on mindat.org.
Calcite	2 photos of Tantalite-(Mg) associated with Calcite on mindat.org.

Related Minerals - Nickel-Strunz Grouping Hide

4.DB.05	Argutite	GeO₂	Tet. 4/mmm (4/m 2/m 2/m) : P4₂/mnm
4.DB.05	Cassiterite	SnO₂	Tet. 4/mmm (4/m 2/m 2/m) : P4₂/mnm
4.DB.05	Plattnerite	PbO₂	Tet. 4/mmm (4/m 2/m 2/m)
4.DB.05	Pyrolusite	Mn⁴⁺O₂	Tet. 4/mmm (4/m 2/m 2/m) : P4₂/mnm
4.DB.05	Rutile	TiO₂	Tet. 4/mmm (4/m 2/m 2/m) : P4₂/mnm
4.DB.05	Tripuhyite	Fe³⁺Sb⁵⁺O₄	Tet.
4.DB.05	Tugarinovite	MoO₂	Mon.
4.DB.05	Varlamoffite	(Sn,Fe)(O,OH)₂
4.DB.10	Byströmite	MgSb₂O₆	Tet. 4/mmm (4/m 2/m 2/m) : P4/nmm
4.DB.10	Tapiolite-(Fe)	(Fe,Mn)(Ta,Nb)₂O₆	Tet. 4/mmm (4/m 2/m 2/m) : P4₂/mnm
4.DB.10	Tapiolite-(Mn)	(Mn,Fe)(Ta,Nb)₂O₆	Tet. 4/mmm (4/m 2/m 2/m) : P4₂/mnm
4.DB.10	Ordoñezite	ZnSb₂O₆	Tet.
4.DB.15b	Akhtenskite	ε-Mn⁴⁺O₂	Hex. 6/mmm (6/m 2/m 2/m) : P6₃/mmc
4.DB.15c	Nsutite	(Mn⁴⁺,Mn²⁺)(O,OH)₂	Hex.
4.DB.15a	Paramontroseite	V⁴⁺O₂	Orth.
4.DB.15a	Ramsdellite	Mn⁴⁺O₂	Orth. mmm (2/m 2/m 2/m)
4.DB.20	Scrutinyite	α-PbO₂	Orth.
4.DB.25	Ishikawaite	U⁴⁺Fe²⁺Nb₂O₈	Mon.
4.DB.25	Ixiolite	(Ta,Nb,Sn,Fe,Mn)₄O₈	Orth.
4.DB.25	Samarskite-(Y)	(Y,Fe³⁺,Fe²⁺,U,Th,Ca)₂(Nb,Ta)₂O₈	Orth. mmm (2/m 2/m 2/m) : Pbcn
4.DB.25	Srilankite	ZrTi₂O₆	Orth. mmm (2/m 2/m 2/m) : Pbcn
4.DB.25	Yttrocolumbite-(Y)	Y(U⁴⁺,Fe²⁺)Nb₂O₈
4.DB.25	Calciosamarskite	(Ca,Fe³⁺,Y)₂(Nb,Ta,Ti)₂O₈	Mon.
4.DB.25	Samarskite-(Yb)	(Yb,Y,Fe³⁺,Fe²⁺,U,Th,Ca)₂(Nb,Ta)₂O₈	Mon. 2/m : P2/b
4.DB.30	Ferberite	FeWO₄	Mon. 2/m : P2/b
4.DB.30	Hübnerite	MnWO₄	Mon. 2/m : P2/b
4.DB.30	Sanmartinite	(Zn,Fe)WO₄	Mon. 2/m : P2₁/b
4.DB.30	Krasnoselskite	CoWO₄	Mon.
4.DB.30	Heftetjernite	ScTaO₄	Mon. 2/m
4.DB.30	Huanzalaite	MgWO₄	Mon. 2/m : P2/b
4.DB.35	Columbite-(Fe)	Fe²⁺Nb₂O₆	Orth. mmm (2/m 2/m 2/m) : Pbcn
4.DB.35	Tantalite-(Fe)	Fe²⁺Ta₂O₆	Orth. mmm (2/m 2/m 2/m) : Pbcn
4.DB.35	Columbite-(Mn)	Mn²⁺Nb₂O₆	Orth. mmm (2/m 2/m 2/m) : Pbcn
4.DB.35	Tantalite-(Mn)	Mn²⁺Ta₂O₆	Orth. mmm (2/m 2/m 2/m) : Pbcn
4.DB.35	Columbite-(Mg)	(Mg,Fe,Mn)(Nb,Ta)₂O₆	Orth.
4.DB.35	Qitianlingite	(Fe,Mn)₂(Nb,Ta)₂WO₁₀	Orth.
4.DB.35	Magnocolumbite	(Mg,Fe,Mn)(Nb,Ta)₂O₆
4.DB.40	Ferrowodginite	Fe²⁺Sn⁴⁺Ta₂O₈	Mon.
4.DB.40	Lithiotantite	LiTa₃O₈	Mon.
4.DB.40	Lithiowodginite	LiTa₃O₈	Mon.
4.DB.40	Titanowodginite	Mn²⁺TiTa₂O₈	Mon.
4.DB.40	Wodginite	Mn²⁺Sn⁴⁺Ta₂O₈	Mon.
4.DB.40	Ferrotitanowodginite	Fe²⁺TiTa₂O₈	Mon.
4.DB.40	Wolframowodginite	Mn(Mn,Sn,Fe,Ta)(W,Ta,Nb)₂O₈
4.DB.45	Tivanite	V³⁺TiO₃(OH)	Mon.
4.DB.50	Carmichaelite	(Ti,Cr,Fe)[O_2-x(OH)_x]	Mon. 2/m : P2₁/b
4.DB.55	Alumotantite	AlTaO₄	Orth. mmm (2/m 2/m 2/m) : Pbcn
4.DB.60	Biehlite	((Sb,As)O)₂[MoO₄]	Mon.

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 Tantalite-(Mg)Hide

Reference List:

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

Burke, E. A. J. (2008) Tidying up mineral names: an IMA-CNMNC scheme for suffixes, hyphens and diacritical marks. The Mineralogical Record 39: 131-135

Internet Links for Tantalite-(Mg)Hide

mindat.org URL:

https://www.mindat.org/min-11465.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 Tantalite-(Mg)Hide

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.


Russia (TL)
Sverdlovsk Oblast Rezh District Lipovsk pegmatite field ⓘ Lipovka Mine (Lipovskoe Mine; Lipovskaya Mine; Lipovaya Mine) (TL)	Pekov, I. V., Yakubovich, O. V., Shcherbachev, D. K., Kononkova, N. N. (2003) Magnesiotantalite (Mg,Fe)(Ta,Nb)2O6, the new columbite-tantalite group mineral from desilicated granite pegmatites of Lipovka (the Central Urals) and its genesis. Zapiski Vserossijskogo Mineralogicheskogo Obshchestva 132 (2): 49-60; Igor.V. Pekov, Lyudmila R. Memetova (2008) Minerals of the Lipovka Granite Pegmatites, Central Urals, Russia. Mineralogical Almanac 13:6-45

Sri Lanka
Sabaragamuwa Province Ratnapura District Ratnapura ⓘ Gem gravels	Ceylon Aluvial Mine, (Book, Co. 2002)

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Tantalite-(Mg)

About Tantalite-(Mg)Hide

Classification of Tantalite-(Mg)Hide