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Columbite-(Mn)

Big Photo

Darra-i-Pech (Darra-e-Pech) Pegmatite Field, Nangarhar (Ningarhar) Province, Afghanistan
© 2002, Jesse Fisher

Show Columbite-(Mn) Photos (32)
Formula:
(Mn,Fe)(Nb,Ta)
 
2
O
 
6
System:OrthorhombicHardness:6


Columbite-(Fe)-Columbite-(Mn) Series.

Formerly known as manganocolumbite.

Classification of Columbite-(Mn)

IMA status:Valid - first described prior to 1959 (pre-IMA) - "Grandfathered"
Strunz 8th edition ID:4/D.18-20
Nickel-Strunz 10th (pending) edition ID: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
Dana 8th edition ID:8.3.2.4

8 : MULTIPLE OXIDES CONTAINING NIOBIUM,TANTALUM OR TITANIUM
3 : AB2O6
Hey's CIM Ref.:18.1.39

18 : Niobates and Tantalates
1 : Niobates and tantalates containing neither rare earths nor U
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Physical Properties of Columbite-(Mn)

Hardness (Mohs):6

Crystallography of Columbite-(Mn)

Crystal System:Orthorhombic
Cell Parameters:a = 5.76Å, b = 14.43Å, c = 5.08Å
Ratio:a:b:c = 0.399 : 1 : 0.352
Unit Cell Volume:V 422.23 ų (Calculated from Unit Cell)
X-Ray Powder Diffraction:
Image Loading

Radiation - Copper Kα
Data Set:
Horizontal Axis: ° to ° Vertical Axis: % Source Data: Filtered Data: Peaks:
Data courtesy of RRUFF project at University of Arizona, used with permission.

Optical Data of Columbite-(Mn)

Type:Biaxial (-)
Dispersion:r > v strong

Chemical Properties of Columbite-(Mn)

Formula:
(Mn,Fe)(Nb,Ta)
 
2
O
 
6
Essential elements:Mn, Nb, O
All elements listed in formula:Fe, Mn, Nb, O, Ta

Relationship of Columbite-(Mn) to other Species

Series:Forms a series with Columbite-(Fe) (see here)
Related Minerals - Nickel-Strunz Grouping):

- +
4.DB.05Argutite
GeO
 
2
4.DB.05Cassiterite
SnO
 
2
4.DB.05Plattnerite
PbO
 
2
4.DB.05Pyrolusite
MnO
 
2
4.DB.05Rutile
TiO
 
2
4.DB.05Tripuhyite
Fe
3+
 
Sb
5+
 
O
 
4
4.DB.05Tugarinovite
MoO
 
2
4.DB.05Varlamoffite
(Sn,Fe)(O,OH)
 
2
4.DB.10Byströmite
MgSb
 
2
O
 
6
4.DB.10Tapiolite-(Fe)
(Fe,Mn)(Ta,Nb)
 
2
O
 
6
4.DB.10Tapiolite-(Mn)
(Mn,Fe)(Ta,Nb)
 
2
O
 
6
4.DB.10Ordoñezite
ZnSb
 
2
O
 
6
4.DB.15bAkhtenskite
ε-Mn
4+
 
O
 
2
4.DB.15cNsutite
(Mn
4+
 
,Mn
2+
 
)(O,OH)
 
2
4.DB.15aParamontroseite
VO
 
2
4.DB.15aRamsdellite
Mn
4+
 
O
 
2
4.DB.20Scrutinyite
alpha-PbO
 
2
4.DB.25Ishikawaite
U
4+
 
Fe
2+
 
Nb
 
2
O
 
8
4.DB.25Ixiolite
(Ta,Nb,Sn,Fe,Mn)
 
4
O
 
8
4.DB.25Samarskite-(Y)
(Y,Fe
3+
 
,Fe
2+
 
,U,Th,Ca)
 
2
(Nb,Ta)
 
2
O
 
8
4.DB.25Srilankite
Ti
 
2
ZrO
 
6
4.DB.25Yttrocolumbite-(Y)
Y(U
4+
 
,Fe
2+
 
)Nb
 
2
O
 
8
4.DB.25Calciosamarskite
(Ca,Fe
3+
 
,Y)
 
2
(Nb,Ta,Ti)
 
2
O
 
8
4.DB.25Samarskite-(Yb)
(Yb,Fe
3+
 
)
 
2
(Nb,Ta)
 
2
O
 
8
4.DB.25Písekite-(Y)
4.DB.30Ferberite
FeWO
 
4
4.DB.30Hübnerite
MnWO
 
4
4.DB.30Sanmartinite
(Zn,Fe)WO
 
4
4.DB.30Krasnoselskite
CoWO
 
4
4.DB.30Heftetjernite
ScTaO
 
4
4.DB.30IMA2009-018
MgWO
 
4
4.DB.35Columbite-(Fe)
FeNb
 
2
O
 
6
4.DB.35Tantalite-(Fe)
FeTa
 
2
O
 
6
4.DB.35Tantalite-(Mn)
MnTa
 
2
O
 
6
4.DB.35Columbite-(Mg)
(Mg,Fe,Mn)(Nb,Ta)
 
2
O
 
6
4.DB.35Qitianlingite
(Fe,Mn)
 
2
(Nb,Ta)
 
2
WO
 
10
4.DB.35Magnocolumbite
4.DB.35Tantalite-(Mg)
(Mg,Fe
2+
 
)(Ta,Nb)
 
2
O
 
6
4.DB.40Ferrowodginite
FeSnTa
 
2
O
 
8
4.DB.40Lithiotantite
Li(Ta,Nb)
 
3
O
 
8
4.DB.40Lithiowodginite
LiTa
 
3
O
 
8
4.DB.40Titanowodginite
MnTiTa
 
2
O
 
8
4.DB.40Wodginite
Mn(Sn,Ta)Ta
 
2
O
 
8
4.DB.40Ferrotitanowodginite
Fe
2+
 
TiTa
 
2
O
 
8
4.DB.40Wolframowodginite
Mn(Mn,Sn,Fe,Ta)(W,Ta,Nb)
 
2
O
 
8
4.DB.45Tivanite
VTiO
 
3
(OH)
4.DB.50Carmichaelite
(Ti,Cr,Fe)[O
 
2-x
(OH)
 
x
]
4.DB.55Alumotantite
AlTaO
 
4
4.DB.60Biehlite
((Sb,As)O)
 
2
[MoO
 
4
]
Related Minerals - Hey's Index Grouping:

- +
18.1.1Lithiotantite
Li(Ta,Nb)
 
3
O
 
8
18.1.2Lueshite
NaNbO
 
3
18.1.3Natroniobite
NaNbO
 
3
18.1.4Franconite
Na
 
2
Nb
 
4
O
 
11
·9H
 
2
O
18.1.5Natrotantite
Na
 
2
Ta
 
4
O
 
11
18.1.6Irtyshite
Na
 
2
(Ta,Nb)
 
4
O
 
11
18.1.7Rankamaite
(Na,K,Pb,Li)
 
3
(Ta,Nb,Al)
 
11
(O,OH)
 
30
18.1.8Kalipyrochlore
(K,Sr)
 
2-x
Nb
 
2
O
 
6
(O,OH)·nH
 
2
O
18.1.9Calciotantite
CaTa
 
4
O
 
11
18.1.10Rynersonite
Ca(Ta,Nb)
 
2
O
 
6
18.1.11Microlite
(Ca,Na)
 
2
Ta
 
2
O
 
6
(O,OH,F)
18.1.12Belyankinite
Ca
 
1-2
(Ti,Zr,Nb)
 
5
O
 
12
 · 9H
 
2
O (?)
18.1.13Latrappite
(Ca,Na)(Nb,Ti,Fe)O
 
3
18.1.14Hochelagaite
(Ca,Na,Sr)(Nb,Ti,Si,Al)
 
4
O
 
11
·8H
 
2
O
18.1.15Bariomicrolite
Ba(Ta,Nb)
 
2
(O,OH)
 
7
18.1.16Parabariomicrolite
BaTa
 
4
O
 
10
(OH)
 
2
·2H
 
2
O
18.1.17Bariopyrochlore
(Ba,Sr)
 
2-x
(Nb,Ti)
 
2
(O,OH)
 
7
18.1.18Alumotantite
AlTaO
 
4
18.1.19Simpsonite
Al
 
4
(Ta,Nb)
 
3
O
 
13
(OH,F)
18.1.20Sosedkoite
(K,Na)
 
5
Al
 
2
(Ta,Nb)
 
22
O
 
60
18.1.21Thoreaulite
SnTa
 
2
O
 
6
18.1.22Stannomicrolite
(Sn,Fe,Mn)
 
2
(Ta,Nb,Sn)
 
2
(O,OH)
 
7
18.1.23Foordite
(Sn,Pb)(Nb,Ta)
 
2
O
 
6
18.1.24Changbaiite
PbNb
 
2
O
 
6
18.1.25Plumbopyrochlore
(Pb,Ca,Y,U)
 
2-x
(Nb,Ta,Ti)
 
2
O
 
6
(OH,O)
18.1.26Plumbomicrolite
(Pb,Ca,U)
 
2-x
(Ta,Nb,Sn)
 
2
O
 
6
(O,[])
18.1.27Stibiocolumbite
Sb(Nb,Ta)O
 
4
18.1.28Stibiotantalite
Sb(Ta,Nb)O
 
4
18.1.29Natrobistantite
(Na,Cs)Bi(Ta,Nb,Sb)
 
4
O
 
12
18.1.30Cesplumtantite
(Cs,Na)
 
2
(Pb,Sb
3+
 
)
 
3
Ta
 
8
O
 
24
18.1.31Stibiomicrolite
(Sb,Ca,Na)
 
2
(Ta,Nb)
 
2
O
 
7
18.1.32Cesstibtantite
(Cs,Na)SbTa
 
4
O
 
12
18.1.33 Stibobetafite
(Ca,Sb)
 
2
(Ti,Nb,Ta)
 
2
(O,OH)
 
7
18.1.34Bismutotantalite
Bi(Ta,Nb)O
 
4
18.1.35Bismutomicrolite
(Bi,Ca)(Ta,Nb)
 
2
O
 
6
(OH)
18.1.36Tantalite-(Mn)
MnTa
 
2
O
 
6
18.1.37Gerasimovskite
(Mn,Ca)(Nb,Ti)
 
5
O
 
12
·9H
 
2
O
18.1.38Tapiolite-(Mn)
(Mn,Fe)(Ta,Nb)
 
2
O
 
6
18.1.40Wodginite
Mn(Sn,Ta)Ta
 
2
O
 
8
18.1.41Ixiolite
(Ta,Nb,Sn,Fe,Mn)
 
4
O
 
8
18.1.42Columbite-(Fe)
FeNb
 
2
O
 
6
18.1.43Tantalite-(Fe)
FeTa
 
2
O
 
6
18.1.44Columbite
(Fe,Mn)(Nb,Ta)
 
2
O
 
6
18.1.45Tantalite
(Fe,Mn)(Ta,Nb)
 
2
O
 
6
18.1.46Tapiolite
(Fe,Mn)(Ta,Nb)
 
2
O
 
6
18.1.47Tapiolite-(Fe)
(Fe,Mn)(Ta,Nb)
 
2
O
 
6
18.1.48Columbite-(Mg)
(Mg,Fe,Mn)(Nb,Ta)
 
2
O
 
6
18.1.50Strüverite
(Ti,Ta,Fe)O
 
2
18.1.51 Staringite
(Fe,Mn)
 
x
(Ta,Nb)
 
2x
Sn
 
6-3x
O
 
12

Other Names for Columbite-(Mn)

Synonyms:
ManganocolumbiteManganotantalocolumbite
Other Languages:
German:Manganocolumbit
Manganotantalocolumbit
Russian:Манганоколумбит
Spanish:Manganocolumbita
Manganotantalocolumbita

Other Information

Health Warning:No information on health risks for this material has been entered into the database. You should always treat mineral specimens with care.

References for Columbite-(Mn)

Reference List:American Mineralogist (1995): 80: 613-619.

Internet Links for Columbite-(Mn)

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  • Raman and XRD data at RRUFF project
  • American Mineralogist Crystal Structure Database
  • Search for Columbite-(Mn) in the Natural History Museum (London) online catalogue
  • Manganocolumbite details from Handbook of Mineralogy (PDF)
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    Localities for Columbite-(Mn)

    Hide Locality List
    The 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.
    (TL) indicates type locality. ? indicates mineral may be doubtful at this locality. All other localities listed without reference should be considered as uncertain and unproven until references can be found.
    Afghanistan
     
    • Nangarhar (Ningarhar) Province
    Argentina
     
    • Salta
      • Nevados de Palermo
        • El Quemado District
    		Galliski et al. (2001) Bismutotantalite from northwestern Argentina: description and crystal structure. Can. Mineral. 39, 103-110.
    Australia
     
    • South Australia
      • Flinders Ranges
        • North Flinders Ranges
          • Mt Babbage area (Inlier)
    		Wulser PA et al. U-Th-REE mobility in and around the Mt Painter & Mt Babbage inliers, Northern Flinders Ranges, South Australia. 2005, Abstracts Geol. Soc. Austra. Vol.78
          • Umberatana
    		mentioned references in description
    • Western Australia
      • Pilbara Region
    		Simpson, Edward S., 1928, Famous Mineral Localities: Wodgina, North West Australia, American Mineralogist, Volume 13, pages 457-468.
    AmMin 13:457
    Brazil
     
    • Northeast Region
      • Paraíba
        • Borborema mineral province
          • Junco do Seridó
    		Beurlen, H., Da Silva, M.R.R., Thomas, R., Soares, D.R., and Olivier, P. (2008): Mineralium Deposita 43, 207-228.
          • Nova Palmeira
    		Beurlen, H., Da Silva, M.R.R., Thomas, R., Soares, D.R., and Olivier, P. (2008): Mineralium Deposita 43, 207-228.
          • Picuí
    		Beurlen, H., Da Silva, M.R.R., Thomas, R., Soares, D.R., and Olivier, P. (2008): Mineralium Deposita 43, 207-228.
    Beurlen, H., Da Silva, M.R.R., Thomas, R., Soares, D.R., and Olivier, P. (2008): Mineralium Deposita 43, 207-228.
      • Rio Grande do Norte
        • Borborema mineral province
          • Carnaúba dos Dantas
    		Beurlen, H., Da Silva, M.R.R., Thomas, R., Soares, D.R., and Olivier, P. (2008): Mineralium Deposita 43, 207-228.
          • Equador
    		Beurlen, H., Da Silva, M.R.R., Thomas, R., Soares, D.R., and Olivier, P. (2008): Mineralium Deposita 43, 207-228.
    Baumgartner et al (2006), Canadian Mineralogist: 44: 69-86.
          • Parelhas
    		[MinRec 29:196]
    Baumgartner et al (2006), Canadian Mineralogist: 44: 69-86.
    Baumgartner et al (2006), Canadian Mineralogist: 44: 69-86.
    Canada
     
    • Manitoba
      • Bird River Greenstone Belt
      • Lac-du-Bonnet area
        • Bernic Lake
    		Econ Geol (1995) 90:658-675
    • Ontario
      • Kenora District
        • Red Lake
        • Separation Rapids (Separation Lake area)
    		Tindle, A.G. & Breaks, F.W. (1998) Oxide minerals of the Separation Rapids rare-element granitic pegmatite group, northwestern Ontario. Canadian Mineralogist, 36, 609-635. Tindle, A.G., Breaks, F.W. and Webb, P.C. (1998) Wodginite-group minerals from the Separation Rapids Rare-Element Granitic Pegmatite Group, northwestern Ontario. Canadian Mineralogist, 36, 637-658. ontariominerals.com
    • Québec
      • Gatineau Co.
        • Wakefield Township
          • St-Pierre-de-Wakefield
    		Hilderley, M., Ercit, T.S., Rowe, R.A. (2006) 33rd Rochester Mineralogical Symposium, abstracts, 13-14.
      • Montérégie
        • Rouville RCM
          • Mont Saint-Hilaire
    		No reference listed
    China
     
    • Jiangxi Province
      • Ganzhou Prefecture
        • Quannan Co.
    		Wen-Lan Zhang, Ren-Min Hua, and Ru-Cheng Wang (2003): Mineral Deposits [Kuangchuang Dizhi] 22(2), 158-165.
      • Ji'an Prefecture
        • Anfu Co.
          • Yichun complex
    		Xiaolong Huang, Rucheng Wang, Xiaoming Chen, Huan Hu, and Changshi Liu (2002): Canadian Mineralogist 40(4), 1047-1068.; Lin Yin, Pollard, P.J., Hu Shouxi, and Taylor, R.G. (1995): Economic Geology 90(3), 577-585
    • Xinjiang (Xinjiang-Uygur) Autonomous Region
      • Yili Hasake (Ili Kazakh) Autonomous Prefecture
        • Aletai (Altay) Prefecture
          • Fuyun Co.
            • Koktokay (Keketuohai) Pegmatite field
              • Altay Mine
    		Zhang et al. 2004, Min. Mag. Vol 68, pp. 739-756.
    Czech Republic
     
    • Bohemia (Böhmen; Boehmen)
      • Karlovy Vary Region
        • Lázně Kynžvart
    		Černý, P., Veselovský, F.: Pegmatit Bílý kámen (Weisser Stein) u Kynžvartu. Minerál, 2000, roč. 8, č. 1, s. 10-16.
      • South Bohemia Region
        • České Budějovice (Budweis)
    		Welser, P.: Minerály pegmatitů a alpské parageneze z Rudolfova u Českých Budějovic. Bulletin Mineralogicko-petrografického oddělení Národního muzea v Praze, 2002, roč. 10, s. 293-297.
        • Český Krumlov
    		Welser, P. et al.: Lithný pegmatit Nová Ves. Minerál, Special volume, 2007, roč. 15.
    • Moravia (Mähren; Maehren)
      • Olomouc Region
        • Šumperk (Mährisch Schönberg)
    		Novák, M. et al.: Beryl-columbitový pegmatit z Branné, Hrubý Jeseník. Acta Mus. Moraviae, Sci. geol., 2003, 88, 113-122.
          • Maršíkov
    		Novák, M.: Maršíkov - Schinderhübel. In Exkurzní průvodce po mineralogických lokalitách na Sobotínsku. Univerzita Palackého v Olomouci, 2002, Olomouc, s. 34-37.
    Sejkora, J.: Některé zajímavé nálezy nerostů v pegmatitech České republiky. Minerál, 1993, roč. 1, č. 3, s. 22-23.; Novák, M.: Maršíkov - Scheibengraben. In Exkurzní průvodce po mineralogických lokalitách na Sobotínsku. Univerzita Palackého v Olomouci, 2002, Olomouc, s. 38-41.
          • Sobotín (Zöptau; Zoeptau)
    		Štosová, V., Zimák, J.: Mineralogie beryl-columbitového pegmatitu na lokalitě Bienergraben u Sobotína. In Sborník referátů ze semináře Mineralogie Českého masivu a Západních Karpat 2006, Univerzita Palackého, Olomouc, 2006, s. 48-51.
      • Vysočina Region
    • Novák, M., Černý, P.: Přehled minerálů niobu a tantalu z granitických pegmatitů České republiky. Bulletin mineralogicko-petrografického oddělení Národního muzea v Praze, 1999, roč. 7, s. 117-131.
        • Velké Meziříčí
    		Novák, M., Staněk, J.: Lepidolitový pegmatit od Dobré Vody u Velkého Meziříčí, západní Morava. Acta Musei Moraviae, Scientiae geologicae, 1999, roč. 84, s. 3 - 44.
        • Žďár nad Sázavou
    Novák, M., Houzar, S., Pfeiferová, A.: Přehled mineralogie, petrografie a historie klasické lokality lepidolitového pegmatitu v Rožné u Bystřice nad Pernštejnem, západní Morava. Acta Musei Moraviae, Sci. geol., 83:3-48.
    P. Pauliš (2001): Nejzajímavější naleziště Moravy a Slezska. Kuttna, Kutná Hora.
    P. Pauliš (2001): Nejzajímavější naleziště Moravy a Slezska. Kuttna, Kutná Hora.
        • Želetava
    		Houzar, S.: Nový lepidolitový pegmatit od Sedlatic u Želetavy, západní Morava. Acta Musei Moraviae, Scientiae naturales, 1995, roč. 80, s. 47 - 55.
    Egypt
     
    • Red Sea Governorate
      • Eastern Desert
        • Marsa Alam
    		Küster, D. (2009): Ore Geology Reviews 35, 68-86.
    Helba, H., Trumbull, R.B., Morteani, G., Khalil, S.O., and Arslan, A. (1997): Mineralium Deposita 32, 164-179.
    Finland
     
    • Etelä-Suomen Lääni
      • Orivesi
        • Eräjärvi area
    		No reference listed
    France
     
    • Burgundy
      • Saône-et-Loire
        • Autun
    Germany
     
    • Rhineland-Palatinate
      • Eifel Mts
        • Laach lake volcanic complex
          • Kruft
    		Blass, G.; Graf, H.W., Neufunde von bekannten Fundorten (VI), Mineralien-Welt 3/6, 32-35, 1992
          • Mendig
            • Niedermendig
    		Blass, G.; Graf, H.W., Neufunde von bekannten Fundorten (VI), Mineralien-Welt 3/6, 32-35, 1992
    Blass, G.; Graf, H.W., Neufunde von bekannten Fundorten (VI), Mineralien-Welt 3/6, 32-35, 1992
              • Wingertsberg Mt.
    		Blass, G.; Graf, H.W., Neufunde von bekannten Fundorten (VI), Mineralien-Welt 3/6, 32-35, 1992
    • Saxony
      • Oberlausitz
        • Görlitz
          • Liebstein
    		T. Witzke & T. Giesler (2001): Neufunde aus Sachsen (VII): Bazzit, Bertrandit, Euxenit-(Y), Powellit und andere aus dem Königshainer Granit in der Lausitz.- Lapis 26 (1), 43-48
        • Weißenberg
          • Döbschütz
    		T. Witzke & T. Giesler (2001): Neufunde aus Sachsen (VII): Bazzit, Bertrandit, Euxenit-(Y), Powellit und andere aus dem Königshainer Granit in der Lausitz.- Lapis 26 (1), 43-48
    T. Witzke & T. Giesler (2001): Neufunde aus Sachsen (VII): Bazzit, Bertrandit, Euxenit-(Y), Powellit und andere aus dem Königshainer Granit in der Lausitz.- Lapis 26 (1), 43-48
    Italy
     
    • Lombardy
      • Brescia Province
        • Adamello-Brenta Natural Park
          • Adamello Massif
            • Mt. Foppa
    		Pezzotta, Federico and Guastoni, Alessandro, The New Discovery of a LCT Pegmatite in the Adamello Massif, Central Southern Alps, Italy; Museo Civico di Storia Naturale, Milan, Italy.
      • Sondrio Province
        • Novate Mezzola
    		AA. VV., 1996. Collezionare minerali. Hobby & Work.
    Ghizzoni, S. & Mazzoleni, G. (2005): Itinerari mineralogici in val Codera. Geologia Insubrica, Ed., Milano, 316 pp.
    Guastoni, A., et al., Mineralogical Magazine 71,579-585(2007)
    • Piedmont
      • Verbano-Cusio-Ossola Province
        • Ossola Valley
          • Vigezzo Valley
            • Trontano
    		-Callegari A., Mattioli V., 2002. Val Vigezzo: novità mineralogiche. Riv. Mineral. Ital., 26 (2): 78-80.
    • Tuscany
      • Livorno Province
        • Elba Island
          • Campo nell'Elba
    		Orlandi et al., 1990. Nb-Ta oxides from Elba Island pegmatites. Atti Soc. Tosc. Sci. Nat., Mem., Serie A, 97: 161-173
    P. Orlandi, P.B. Scortecci (1985) - Minerals of the Elba pegmatites. - Min. Rec., 16: 353-363.
    Barsotti, G., & Nannoni, R. (2006). Rocce, minerali e miniere delle isole dell'Arcipelago Toscano. Pacini editore, 152 pp.
    F. Pezzotta, F.C. Hawthorne, M.A. Cooper, D.K. Teerstra (1996) - Fibrous foitite from S. Piero in Campo, Elba, Italy. - Canad. Min., 34: 741-744.
    Japan
     
    • Honshu Island
      • Kanto Region
        • Ibaraki Prefecture
          • Hitachiohta City
    • Kyushu Island
      • Fukuoka Prefecture
    		www.petrovrareminerals.com/articles02.html
    Madagascar
     
    • Antananarivo Province
      • Vakinankaratra Region (Betafo - Antsirabé region)
        • Betafo District
          • Andrembesoa Commune
            • FKT Antsentsindrano
    		Demartin, F. et al (2001): Schiavinatoite,(Nb,Ta)BO4, the Nb analogue of behierite. European Journal of Mineralogy 13, 159-165
            • Tetezantsio-Andoabatokely Pegmatite Field
    		Pezzotta, Federico (2007): Ta-Nb borates and other rare accessory phases in granitic pegmatites of the Itremo region, central Madagascar. Bergverksmuseet Skrift 35,97-98
    Pezzotta, Federico (2007): Ta-Nb borates and other rare accessory phases in granitic pegmatites of the Itremo region, central Madagascar. Bergverksmuseet Skrift 35,97-98
    Pavel M. Kartashov data and photo
          • Mahaiza Commune
    		Rudy Bolona specimen
        • Sahatany Pegmatite Field (Mt Bity (Ibity) area)
          • Manandona Valley
    		Ranorosoa, N. (1986): Etude mineralogique des pegmatites du champ de la Sahatany, Madagascar. These de doctorat de L'Universite Paul Sabatier, Toulouse
          • Sahatany Valley
    		Ranorosoa, N. (1986): Etude mineralogique des pegmatites du champ de la Sahatany, Madagascar. These de Doctorat de l`Universite Paul Sabatier, Toulouse
    K.E.Larsen collection
    Lacroix, A. (1922): Mineralogie de Madagascar, Tome I. Géologie-Minéralogie descriptive. A. Challamel (Éditeur), Paris. p 370/ Bull.Minéral. (1981), 104, p.496-507
    Ranorosoa, N. (1986): Etude mineralogique des pegmatites du champ de la Sahatany, Madagascar. These de doctorat de L\'Universite Paul Sabatier, Toulouse
    Ranorosoa, N. (1986): Etude mineralogique des pegmatites du champ de la Sahatany, Madagascar. These de Doctorat de l`Universite Paul Sabatier, Toulouse
    Ranorosoa, N. (1986): Etude mineralogique des pegmatites du champ de la Sahatany, Madagascar. These de Doctorat de l`Universite Paul Sabatier, Toulouse
    Ranorosoa, N. (1986): Etude mineralogique des pegmatites du champ de la Sahatany, Madagascar. These de Doctorat de l`Universite Paul Sabatier, Toulouse
    Norway
     
    • Akershus
      • Hurdal
    		Folvik, H. (200): Nytt om mineraler: Manganocolumbitt (Mn2+, Fe2+)(Nb,Ta)2O6- ett nytt funn fra Hurdal i Akershus. STEIN 34 (4), 7
    • Aust-Agder
      • Iveland
    		Selbekk, S.R.; Berg, H-J.; Folvik, H. & Ellingsen, H.V. (2008): Mineraler i columbitt-tantalittgruppen fra Norge. Bergverksmuseet Skrift nr 38, 33-36
    • Nordland
      • Meløy
        • Holandsfjord
    		Kristiansen, R. (1994): To nye mineraler for Norge- manganokolumbitt og hingganitt-(Yb). STEIN 21 (2), 88-93
      • Sørfold
    		Husdal, T. (2008): The minerals of the pegmatites within the Tysfjord granite, northern Norway. Norsk Bergverksmuseum, skrift 38, 5-28.
    • Telemark
      • Kragerø
    		Bjørlykke, H.(1937):"Mineral parageneses of some granite pegmatites near Kragerø, Southern Norway" Norsk Geologisk Tidsskrift, 17,1-16.+ Neumann (1985, p. 77).
      • Tokke
        • Bandaksli
    		Alf Olav Larsen og Arne Åsheim (2008), "Klaureid pegmatittbrudd, del 1: Geologi og mineralogi", Norsk Bergverksmuseum Skrift nr. 38, pp. 49-56.
    Poland
     
    • Lower Silesia (Dolnośląskie)
      • Ząbkowice District
        • Ząbkowice (Frankenstein)
          • Szklary (Gläsendorf)
    		Geologia Sudetica, 33 (1): 23-31.
    Portugal
     
    • Guarda District
      • Sabugal
    		Rui Nunes - June 2008
    Russia
     
    • Eastern-Siberian Region
      • Transbaikalia (Zabaykalye)
        • Chitinskaya Oblast'
          • Krasnyi Chikoy
            • Malkhan pegmatite field (Malchan)
    		[MinRec 32:44]
    • Northern Region
      • Murmanskaja Oblast'
        • Kola Peninsula
          • Western Keivy Massif
    		A.V. Voloshin, Ya.A. Pakhomovskii Minerals and mineralformation evolution in amazonite pegmatites of Kola peninsula, - Leningrad, Nauka, 1986, pp.168.
    Slovakia
     
    • Banská Bystrica Region
      • Southern Low Tatra Mts
        • Brusno
    		Uher, P. ,Černý, P., 1998 : Vzácnoprvková mineralizácia v granitových pegmatitoch Nízkych Tatier. Mineralia Slovaca, 30, 2,93 – 94
    • Bratislava Region
      • Malé Karpaty Mts
    		Uher P., Žitňan P., Ozdáín D., 2006: Compositional variations of pegmatite Nb-Ta mineral assemblage from the Limbach area, Malé karpaty Mts., Slovakia. Acta Miner.-Petrograph.,Abstract Series 5, Szeged, p.125
    Uher P., Žitňan P., Ozdín D., 2007: Pegmatitic Nb-Ta oxide minerals in alluvial placers from Limbach, Bratislava Massif, Western Carpathians, Slovakia: compositional variations and evolutionary trend. Journal of Geosciences, 52, 1-2, 133-141.
    • Košice Region
      • Eastern Slovenské Rudohorie Mts
    		Koděra, M. et al., 1986 a 1990 : Topografická mineralógia Slovenska, diel 1- 3, Veda – Vydavateľstvo SAV, Bratislava, 1990, 1 – 1590k
        • Hnilec
    		Koděra, M. et al., 1986 a 1990 : Topografická mineralógia Slovenska, diel 1- 3, Veda – Vydavateľstvo SAV, Bratislava, 1990, 1 – 1590k
    • Trnava Region
      • Southwestern Považský Inovec Mts
    		Uher, P., Broska, I., 1989: Muskovitický pegmatit s obsahom minerálov vzácnych prvkov při Moravanoch n.V. (Považský Inovec). Min.Slovaca, 21,2,163 – 174
    • Žilina Region
      • Northern Low Tatra Mts
    		Uher P., 2000: Stibiotantalit v pegmatite Sb ložiska Dúbrava - produkt hydrotermálnej alterácie kolumbitu-tantalitu. Min.Slovaca, Bratislava, 32, 109-114
    South Korea
     
    • Chungcheongbukdo (Chungchong-pukto)
      • Chungju (Chung Won Kum; Chung-ju)
        • Joongwon-gun
          • Mt. Eorae
    		P.M. Kartashov data
    Sweden
     
    • Bohuslän
      • Orust
    		No reference listed
    • Hälsingland
      • Nordanstig
        • Hassela
    • Södermanland
      • Stockholm
        • Haninge
    		Langhof, J., Jonson, E, Gustafsson, L. & Otter, B. (1998): Utö- en klassisk svensk mineralfyndort. Bergverksmuseets Skrift 14, 29-31
    • Värmland
      • Torsby
    • Västergötland
      • Göteborg
        • Västra Frölunda
    		Cerny & Kjellman (unpublished)
      • Vänersborg
        • Väne Ryr
    No reference listed
    Switzerland
     
    • Grischun (Grisons; Graubünden)
      • Bregaglia Valley (Bergell)
        • Albigna Valley
    		Stalder, H. A., Wagner, A., Graeser, S. and Stuker, P. (1998): "Mineralienlexikon der Schweiz", Wepf (Basel), p. 163.
    Uganda
     
    • Kiboga District
    		Von Knorring & Fadipe (1981): On the mineralogy and geochemistry of niobium and tantalum in some granite pegmatites and alkali granites of Africa. Bull.Minéral.104, 496-507
    • Mbarara District
      • Ankole pegmatite field
    		Von Knorring & Fadipe (1981): On the mineralogy and geochemistry of niobium and tantalum in some granite pegmatites and alkali granites of Africa. Bull.Minéral.104, 496-507
    Von Knorring & Fadipe (1981): On the mineralogy and geochemistry of niobium and tantalum in some granite pegmatites and alkali granites of Africa. Bull.Minéral.104, 496-507
    UK
     
    • England
      • Cornwall
        • Wendron & Falmouth District
          • Carnmenellis Area
            • Longdowns
    		UKJMM 26:5-22
      • Devon
        • Okehampton area (Northern Dartmoor)
    		http://www.mineralman.f9.co.uk/quarries/meldon.htm
    USA
     
    • California
      • San Diego Co.
    		Jahns, R.H. and Wright, L.A. (1951) Gem and lithium bearing pegmatites of the Pala District, San Diego County, California. California Division of Mines Special Report 7A, 72 p.
          • Chief Mountain
    		various added photos
    Osborn, P. (2005) Personal communication between Phillip Osborn of Hemet and Scott L. Ritchie of Temecula, California; description of beryl discovery on southwestern most Oceanview property pegmatite exposure; March.
          • Hiriart Mountain (Heriart; Heriot; Hiriat Hill)
    		Canadian Mineralogist Vol. 38, pp. 1399-1408 (2000)
          • Tourmaline Queen Mountain (Pala; Queen)
    		Fisher, J. 2002. Gem and rare-element pegmatites of southern California. Mineralogical Record, Volume 33, Number 5: pages 376-378, photographs.
    • Colorado
      • Chaffee Co.
        • La Plata District (Winfield District)
    		Minerals of Colorado (1997) E.B. Eckels
      • Clear Creek Co.
        • Dailey District (Jones Pass District)
    		Minerals of Colorado (1997) Eckels, E. B.
      • Fremont Co.
        • Eight Mile Park pegmatite District
    		Minerals of Colorado (1997) Eckel, E. B.
    Minerals of Colorado (1997) E.B. Eckels
      • Gunnison Co.
        • Quartz Creek District
          • Ohio City
            • Brown Derby Mine
    		Minerals of Colorado (1997) Eckels, E. B.
      • Jefferson Co.
        • Clear Creek pegmatite Province
    		Meeves, H., et al (1966), Reconnaissance of beryllium-bearing pegmatite deposits in six western states, US Bur. Mines Info. Circ. 8298: 29 (Table A-1).
        • Indian Hills
    		Minerals of Colorado (1997) E.B. Eckels
    Minerals of Colorado (1997) E.B. Eckels
      • Lake Co.
        • Climax District
          • Climax
    		Minerals of Colorado (1997) E.B. Eckels
      • Larimer Co.
        • Crystal Mountain Pegmatite District (Storm Mountain District)
    		Minerals of Colorado (1997) E.B. Eckels
      • Park Co.
        • Micanite District
    		Minerals of Colorado (1997) Eckels, E. B.
    • Connecticut
      • Fairfield Co.
        • Redding
          • Branchville
    		Januzzi, 1976. Mineral Localities of CT and Southeastern NY State
      • Hartford Co.
        • Glastonbury
          • South Glastonbury
    		No reference listed
    • Maine
      • Androscoggin Co.
        • Auburn
          • Mt. Apatite District
    		No reference listed
    Thompson, W, Joyner, D., Woodman, R., and King, V., 1998. Maine Mineral Localities, 3rd ed.; King and Foord, 1994, Mineralogy of Maine
    Thompson, W, Joyner, D., Woodman, R., and King, V., 1998. Maine Mineral Localities, 3rd ed.; King and Foord, 1994, Mineralogy of Maine
    No reference listed
    Thompson, W, Joyner, D., Woodman, R., and King, V., 1998. Maine Mineral Localities, 3rd ed.; King and Foord, 1994, Mineralogy of Maine
        • Poland
    		No reference listed
      • Franklin Co.
        • Township D
    		No reference listed
      • Oxford Co.
        • Buckfield
    		King, V. and Foord, E., 1994, Mineralogy of Maine, V. 1, King, V. (ed.), 2000, Mineralogy of Maine, V. 2.
        • Greenwood
    		Scott Whittemore
    No reference listed
          • Uncle Tom Mt
    		No reference listed
        • Newry
    		King, V. and Foord, E., 1994, Mineralogy of Maine, V. 1; King, V. (ed.), 2000, Mineralogy of Maine, V. 2, with updates by Van King
    King, V. and Foord, E., 1994, Mineralogy of Maine, V. 1; King, V. (ed), 2000, Mineralogy of Maine, V. 2.
        • Norway
    		No reference listed
        • Paris
    		Van King
    "Maine Mineral Localites, 3rd Ed." by Thompson, W.B., et.al. , 1998
        • Peru
    		C. Burtic & R. Dionne collections.
        • Rumford
    		No reference listed
      • Sagadahoc Co.
        • Georgetown
    		King, V. and Foord, E., 1994, Mineralogy of Maine.
        • Topsham
    		No reference listed
    • Nevada
      • Mineral Co.
        • Fitting District
          • Gillis Range
    		Mineralogical Record: 30: 277-292.
    • New Hampshire
      • Carroll Co.
        • Albany
    		Rocks&Min. 67:158-168
        • Wakefield
    		Rocks & Min. 80:256 (2005)
      • Rockingham Co.
        • Raymond
    		Francis, C. A. (1985): Minerals of the Chandler Mine, A Zoned Lithium Rich Pegmatite (Rocks and Minerals, 60:263-264)
      • Strafford Co.
        • Strafford
          • Parker Mt
    		Rocks & Min. 39:355 (1964)
    • New Mexico
      • Rio Arriba Co.
    		Northrop, Minerals of New Mexico, 3rd rev. Ed., 1996
          • Alamos area
    		Minerals of New Mexico 3rd ed.
      • Santa Fe Co.
    		Minerals of New Mexico 3rd ed.
      • Taos Co.
        • Picuris District
    		Minerals of New Mexico 3rd ed.
    • North Carolina
      • Mitchell Co.
        • Spruce Pine District
          • Spruce Pine
    		EDS and XRD analysis of specimen in collection of Fred E Davis, collected by Ed McFarland in 1958
    • Wisconsin
      • Florence Co.
        • Fern
    		The Mineralogy and Geochemistry of the Animikie Red Ace Pegmatite, Florence County, Wisconsin. Alexander U. Falster, Wm. B. Simmons, and Karen L. Webber, Recent Research Developments in Mineralogy, 1(1996); Rocks and Minerals 63:455
      • Jefferson Co.
        • Waterloo
    		Buchholz, T.W., Falster, A.U., and Simmons, WmB. (2007) 34th Rochester Mineralogical Symposium, Contributed Papers.
      • Marathon Co.
        • Wausau pluton
          • "Rotten granite" quarries
    		www.uwrf.edu/~wc01
    Thomas Buchholz, 1999 "Minerals of a Wausau Pegmatite, Marathon County, Wisconsin", Rocks and Minerals, vol .74 #4, p. 254 - 258.
    Mineral and/or Locality
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