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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 (13)
Formula:
(Mn,Fe)(Nb,Ta)
 
2
O
 
6
System:OrthorhombicHardness:6


Ferrocolumbite-Manganocolumbite Series.

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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Type Occurrence of Columbite-(Mn)

Type Locality:New London, New London Co., Connecticut, USA
Year of Discovery:1892

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.15Akhtenskite
ε-Mn
4+
 
O
 
2
4.DB.15Nsutite
(Mn
4+
 
,Mn
2+
 
)(O,OH)
 
2
4.DB.15Paramontroseite
VO
 
2
4.DB.15Ramsdellite
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.25Iwashiroite-(Y)
Y(Ta,Nb)O
 
4
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.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.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
(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,Y,U,Ca)
 
2-x
Nb
 
2
O
 
6
(OH)
18.1.26Plumbomicrolite
(Pb,Ca,U)
 
2
Ta
 
2
O
 
6
(OH)
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
German names:
ManganocolumbitManganotantalocolumbit
Russian names:
Манганоколумбит
Spanish names:
ManganocolumbitaManganotantalocolumbita

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)

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    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.
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    (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
    		AmMin 13:457
    Brazil
     
    • Northeast Region
      • Rio Grande do Norte
        • Seridó Oriental
          • Equador
    		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
    • Ontario
      • Kenora District
        • Red Lake
        • Separation Rapids
    		ontariominerals.com
    • Québec
      • Rouville Co.
        • 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.
      • Yichun Prefecture
        • Yuanzhou District
          • Yichun complex
    		Xiaolong Huang, Rucheng Wang, Xiaoming Chen, Huan Hu, and Changshi Liu (2002): Canadian Mineralogist 40(4), 1047-1068.
    • 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 Kunžvart
    		ˇˇCerný, 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)
    		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.
    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 Department
          • Andrembesoa Commune
            • FKT Antsentsindrano
    		Eur.J.Mineral. 2001, 13, pp. 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
        • Sahatany Pegmatite Field (Mt Bity (Ibity) area)
          • Manandona Valley
          • Sahatany Valley
    		K.E.Larsen collection
    A.Lacroix: Minéralogie de Madagscar 1922/Bull.Minéral. (1981), 104, p.496-507
    Norway
     
    • Akershus
      • Hurdal
    		Nordrum, F.S. (2007): Nyfunn av mineraler i Norge 2006-2007. STEIN 34 (2),14-26
    • 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).
    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'
          • Krasny 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
      • Haninge
    • Värmland
      • Torsby
    • Västergötland
      • Göteborg
        • Västra Frölunda
    		Cerny & Kjellman (unpublished)
      • Vänersborg
        • Väne Ryr
    No reference listed
    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
    		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
        • St Austell District
          • Luxulyan Area (Luxulian Area)
            • Hensbarrow Downs
              • Stenalees
    		No reference listed
        • 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.
        • Pala District
          • Chief Mountain
    		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)
    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.
    • 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.
        • Branchville
    		Januzzi, 1976. Mineral Localities of CT and Southeastern NY State
      • Hartford Co.
        • South Glastonbury
    		No reference listed
      • New London Co.
    • 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
    		No reference listed
        • Greenwood
    		No reference listed
    No reference listed
    No reference listed
        • Newry
    		No reference listed
        • Norway
    		No reference listed
        • Paris
    		"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)
      • Strafford Co.
        • Strafford
    		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)
      • 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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