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Tantalite-(Mg)

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01935680014950301961675.jpg
Tantalite-(Mg), etc.

Lipovka Mine, Lipovsk pegmatite field, Rezhevsky District, Sverdlovsk Oblast, Russia
04714780014950301965918.jpg
Tantalite-(Mg)

Lipovka Mine, Lipovsk pegmatite field, Rezhevsky District, Sverdlovsk Oblast, Russia
08498220014946517638162.jpg
Tantalite-(Mg), etc.

Lipovka Mine, Lipovsk pegmatite field, Rezhevsky District, Sverdlovsk Oblast, Russia
06684510014948213312431.jpg
Tantalite-(Mg)

Lipovka Mine, Lipovsk pegmatite field, Rezhevsky District, Sverdlovsk Oblast, Russia
08498220014946517638162.jpg
Tantalite-(Mg), etc.

Lipovka Mine, Lipovsk pegmatite field, Rezhevsky District, Sverdlovsk Oblast, Russia
06684510014948213312431.jpg
Tantalite-(Mg)

Lipovka Mine, Lipovsk pegmatite field, Rezhevsky District, Sverdlovsk Oblast, Russia
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About Tantalite-(Mg)Hide

Formula:
(Mg,Fe2+)(Ta,Nb)2O6
Colour:
Black
Lustre:
Metallic
Hardness:
5½
Specific Gravity:
6.73
Crystal System:
Orthorhombic
Member of:
Columbite Group
Name:
Named as the magnesium dominant member of the tantalite series.
The Mg-dominant analogue of tantalite-(Fe) and tantalite-(Mn).



Classification of Tantalite-(Mg)Hide

IMA status:
Approved
Notes:
Renamed by the IMA
Approval Year:
2003
First Published:
2003
Approval History:
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 ų (Calculated from Unit Cell)

X-Ray Powder DiffractionHide

Powder Diffraction Data:
d-spacingIntensity
3.67 Å(60)
2.96 Å(100)
1.73 Å(70)
1.46 Å(90)

Geological EnvironmentHide

Paragenetic Mode(s):

Type Occurrence of Tantalite-(Mg)Hide

Type Locality:
ⓘ Lipovka Mine (Lipovskoe Mine; Lipovskaya Mine; Lipovaya Mine), Lipovsk pegmatite field, Rezhevsky 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:
MgO5.27 %
FeO6.71 %
MnO0.82 %
TiiO20.38 %
Nb2OS24.19 %
Ta2O561.86 %
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)TourmalineTantalite-(Mn)Tantalite-(Fe)Phlogopite
PhenakiteCordieriteColumbite-(Fe)ClinochloreChrysoberyl
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

Other Language Names for Tantalite-(Mg)Hide

Simplified Chinese:镁铌钽矿
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+Nb2O6Orth. mmm (2/m 2/m 2/m) : Pbcn
Columbite-(Mg)(Mg,Fe,Mn)(Nb,Ta)2O6Orth.
Columbite-(Mn)Mn2+Nb2O6Orth. mmm (2/m 2/m 2/m) : Pbcn
Qitianlingite(Fe,Mn)2(Nb,Ta)2WO10Orth.
Tantalite-(Fe)Fe2+Ta2O6Orth. mmm (2/m 2/m 2/m) : Pbcn
Tantalite-(Mn)Mn2+Ta2O6Orth. mmm (2/m 2/m 2/m) : Pbcn

Common AssociatesHide

Associated Minerals Based on Photo Data:
2 photos of Tantalite-(Mg) associated with Tantalite-(Mn)Mn2+Ta2O6
2 photos of Tantalite-(Mg) associated with Microlite GroupA2-mTa2X6-wZ-n
2 photos of Tantalite-(Mg) associated with CalciteCaCO3

Related Minerals - Nickel-Strunz GroupingHide

4.DB.05ArgutiteGeO2Tet. 4/mmm (4/m 2/m 2/m) : P42/mnm
4.DB.05CassiteriteSnO2Tet. 4/mmm (4/m 2/m 2/m) : P42/mnm
4.DB.05PlattneritePbO2Tet. 4/mmm (4/m 2/m 2/m) : P42/mnm
4.DB.05PyrolusiteMn4+O2Tet. 4/mmm (4/m 2/m 2/m) : P42/mnm
4.DB.05RutileTiO2Tet. 4/mmm (4/m 2/m 2/m) : P42/mnm
4.DB.05TripuhyiteFe3+Sb5+O4Tet.
4.DB.05TugarinoviteMoO2Mon.
4.DB.05Varlamoffite(Sn,Fe)(O,OH)2
4.DB.10ByströmiteMgSb2O6Tet. 4/mmm (4/m 2/m 2/m) : P4/nmm
4.DB.10Tapiolite-(Fe)Fe2+Ta2O6Tet. 4/mmm (4/m 2/m 2/m) : P42/mnm
4.DB.10Tapiolite-(Mn)Mn2+Ta2O6Tet. 4/mmm (4/m 2/m 2/m) : P42/mnm
4.DB.10OrdoñeziteZnSb2O6Tet.
4.DB.15bAkhtenskiteε-Mn4+O2Hex. 6/mmm (6/m 2/m 2/m) : P63/mmc
4.DB.15cNsutite(Mn4+,Mn2+)(O,OH)2Hex.
4.DB.15aParamontroseiteV4+O2Orth.
4.DB.15aRamsdelliteMn4+O2Orth. mmm (2/m 2/m 2/m)
4.DB.20Scrutinyiteα-PbO2Orth.
4.DB.25IshikawaiteU4+Fe2+Nb2O8Mon.
4.DB.25Ixiolite(Ta,Nb,Sn,Fe,Mn)4O8Orth.
4.DB.25Samarskite-(Y)YFe3+Nb2O8Mon. 2/m : P2/b
4.DB.25SrilankiteZrTi2O6Orth. mmm (2/m 2/m 2/m) : Pbcn
4.DB.25Yttrocolumbite-(Y)Y(U4+,Fe2+)Nb2O8
4.DB.25Calciosamarskite(Ca,Fe3+,Y)2(Nb,Ta,Ti)2O8Mon.
4.DB.25Samarskite-(Yb)(Yb,Y,U,Th,Ca,Fe)(Nb,Ta)2O8Mon. 2/m : P2/b
4.DB.30FerberiteFeWO4Mon. 2/m : P2/b
4.DB.30HübneriteMnWO4Mon. 2/m : P2/b
4.DB.30Sanmartinite(Zn,Fe)WO4Mon. 2/m : P21/b
4.DB.30KrasnoselskiteCoWO4Mon.
4.DB.30HeftetjerniteScTaO4Mon. 2/m
4.DB.30HuanzalaiteMgWO4Mon. 2/m : P2/b
4.DB.35Columbite-(Fe)Fe2+Nb2O6Orth. mmm (2/m 2/m 2/m) : Pbcn
4.DB.35Tantalite-(Fe)Fe2+Ta2O6Orth. mmm (2/m 2/m 2/m) : Pbcn
4.DB.35Columbite-(Mn)Mn2+Nb2O6Orth. mmm (2/m 2/m 2/m) : Pbcn
4.DB.35Tantalite-(Mn)Mn2+Ta2O6Orth. mmm (2/m 2/m 2/m) : Pbcn
4.DB.35Columbite-(Mg)(Mg,Fe,Mn)(Nb,Ta)2O6Orth.
4.DB.35Qitianlingite(Fe,Mn)2(Nb,Ta)2WO10Orth.
4.DB.35Magnocolumbite(Mg,Fe,Mn)(Nb,Ta)2O6
4.DB.40FerrowodginiteFe2+Sn4+Ta2O8Mon.
4.DB.40LithiotantiteLiTa3O8Mon.
4.DB.40LithiowodginiteLiTa3O8Mon.
4.DB.40TitanowodginiteMn2+TiTa2O8Mon.
4.DB.40WodginiteMn2+Sn4+Ta2O8Mon.
4.DB.40FerrotitanowodginiteFe2+TiTa2O8Mon.
4.DB.40WolframowodginiteMn(Mn,Sn,Fe,Ta)(W,Ta,Nb)2O8
4.DB.45TivaniteV3+TiO3(OH)Mon.
4.DB.50Carmichaelite(Ti,Cr,Fe)[O2-x(OH)x]Mon. 2/m : P21/b
4.DB.55AlumotantiteAlTaO4Orth. mmm (2/m 2/m 2/m) : Pbcn
4.DB.60Biehlite((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)
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 (in Russian).
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

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
    • Rezhevsky District
      • Lipovsk pegmatite field
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
Ceylon Aluvial Mine, (Book, Co. 2002)
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