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Tapiolite-(Fe)

Big Photo

Arlanda Airport, Sigtuna, Uppland, Sweden
© B. Otter

Show Tapiolite-(Fe) Photos (15)
Formula:
(Fe,Mn)(Ta,Nb)
 
2
O
 
6
System:TetragonalHardness:6


Ferrotapiolite-Manganotapiolite Series.

Classification of Tapiolite-(Fe)

IMA status:Approved
Strunz 8th edition ID:4/D.04-10
Nickel-Strunz 10th (pending) edition ID:4.DB.10

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:8.3.1.1

8 : MULTIPLE OXIDES CONTAINING NIOBIUM,TANTALUM OR TITANIUM
3 : AB2O6
Hey's CIM Ref.:18.1.47

18 : Niobates and Tantalates
1 : Niobates and tantalates containing neither rare earths nor U
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Type Occurrence of Tapiolite-(Fe)

Type Locality:Viitaniemi pegmatite, Eräjärvi area, Orivesi, Etelä-Suomen Lääni, Finland
Year of Discovery:1983

Physical Properties of Tapiolite-(Fe)

Hardness (Mohs):6

Crystallography of Tapiolite-(Fe)

Crystal System:Tetragonal

Optical Data of Tapiolite-(Fe)

Type:Uniaxial (+)
RI values: nω = 2.270 nε = 2.420
Maximum Birefringence:δ = 0.150

Chart shows birefringence interference colour range (at 30µm thickness) and does not take into account mineral colouration.
Surface Relief:Very High

Chemical Properties of Tapiolite-(Fe)

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

Relationship of Tapiolite-(Fe) to other Species

Series:Forms a series with Tapiolite-(Mn) (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-(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.35Columbite-(Mn)
(Mn,Fe)(Nb,Ta)
 
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
18.1.39Columbite-(Mn)
(Mn,Fe)(Nb,Ta)
 
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
18.1.48Columbite-(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 Tapiolite-(Fe)

Synonyms:
Ferrotapiolite
German names:
Ferrotapiolit
Russian names:
Ферротапиолит
Spanish names:
Ferrotapiolita

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 Tapiolite-(Fe)

Reference List:American Mineralogist: 70: 217.

Canadian Mineralogist: 34: 631-647.

Internet Links for Tapiolite-(Fe)

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

    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.
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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.
    Argentina
     
    • Salta
      • Nevados de Palermo
        • El Quemado District
    		Galliski et al. (2001) Bismutotantalite from northwestern Argentina: description and crystal structure. Can. Min. Vol. 39, pp. 103-110.
    • San Luis
      • Chacabuco Department
        • Sierra de la Estranzuela
    		[MinRec 31:202]
    Austria
     
    • Carinthia
      • Millstatt lake ridge
        • Spittal
          • Wolfsberg Mt.
    		G. Niedermayr, I. Praetzel: Mineralien Kärntens, 1995
    Brazil
     
    • Northeast Region
      • Paraíba
        • Frei Martinho
          • Quixaba
    		Lapis 3/2008, p. 12 (ad)
    Collection Elmar Lackner
      • Rio Grande do Norte
        • Seridó Oriental
          • Equador
    		 Paul Bongaerts collection
    • Southeast Region
      • Minas Gerais
        • Doce valley
          • Galiléia
            • Sapucaia do Norte
    Canada
     
    • Manitoba
      • Bird River Greenstone Belt
    • Ontario
      • Kenora District
        • Pickle Lake
    		Taylor, R.P., and Henham, R. (2001): Exploration and Mining Geology 10(1/2), 85-93.
        • Red Lake
        • Separation Rapids
    		ontariominerals.com
    China
     
    • 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
     
    • Moravia (Mähren; Maehren)
      • Olomouc Region
        • Šumperk (Mährisch Schönberg)
          • Maršíkov
    		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.; Novák, M.: Maršíkov - Scheibengraben. In Exkurzní průvodce po mineralogických lokalitách na Sobotínsku. Univerzita Palackého v Olomouci, 2002, Olomouc, s. 38-41.
    Finland
     
    • Etelä-Suomen Lääni
      • Kemiö Island
        • Rosendal pegmatite
      • Orivesi
        • Eräjärvi area
    		Ofv.Kon.Vetensk.Akad. Stockholm,(1863) 20, 445
    Italy
     
    • Lombardy
      • Sondrio Province
    		Guastoni, A., et al., Mineralogical Magazine 71,579-585(2007)
    • Piedmont
      • Verbano-Cusio-Ossola Province
        • Ossola Valley
          • Vigezzo Valley
            • Craveggia
    		Piccoli, G.C., Maletto, G., Bosio, P., Lombardo, B. (2007): Minerali del Piemonte e della Valle d'Aosta. Associazione Amici del Museo "F. Eusebio" Alba, Ed., Alba (Cuneo) 607 pp.
            • Trontano
    		Callegari A., Vanini F., 2002. La fersmite della pegmatite di Rio Graia. Riv. Mineral. Ital., 26 (4): 212-215.
    Ivory Coast (Côte d'Ivoire)
     
    • Haut-Sassandra region
      • Issia department
        • Issia
    		Allou, B. A.(2006), Expl. & Mining geology 14, 1-4, 61-77
    Allou, B.A. (2006), Expl & Mining Geology 14, 1-4, 61-77
    Allou B.A. et al. (2006), Expl. & Mining Geology. 14, 1-4, 61-77
    Mozambique
     
    • Zambezia Province
      • Alto Ligonha District
    		No reference listed
    Norway
     
    • Østfold
      • Råde
    		Neumann (1985, p. 73).
    Slovakia
     
    • 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.
    • 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
    Sweden
     
    • Uppland
      • Sigtuna
    		No reference listed
    • Västerbotten
      • Skellefteå
    		Cerny et al. (2004) Can. Min. 89, 505-518
    USA
     
    • Arizona
      • Yavapai Co.
        • Bradshaw Mts (Bradshaw Range)
          • Castle Creek District
            • Castle Creek
    		Anthony, J.W., et al (1995), Mineralogy of Arizona, 3rd.ed.: 221-222.
    • California
      • San Diego Co.
        • Warner Springs District
    		Rocks & Minerals, May-June 2003
    • Colorado
      • Moffat Co.
        • Great Divide Area
    		Minerals of Colorado (1997) Eckels, E. B.
      • Park Co.
        • Lake George (Badger Flats) Beryllium Area (Mountain Dale)
    		Minerals of Colorado (1997) Eckels, E. B.
    • Maine
      • Oxford Co.
        • Buckfield
    		MinRec. 25(3):175-184
        • Peru
    		No reference listed
    • New Hampshire
      • Grafton Co.
        • Groton
    		Whitmore & Lawrence, 2004. The Pegmatite Mines Known As Palermo, p. 96.
    • North Carolina
      • Yancey Co.
        • Spruce Pine District
          • Black Mtn-Bowlens Creek Area
            • Burnsville
              • Hurricane Mt.
    		"Mineralogy and History of the Ray Mica Mine, Yancey County, NC"
    Mineral and/or Locality
    Google
     
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