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Tanteuxenite-(Y)

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Ytterby, Resarö, Vaxholm, Uppland, Sweden
© Pavel M. Kartashov

Show Tanteuxenite-(Y) Photos (3)
Formula:
(Y,Ce,Ca)(Ta,Nb,Ti)
 
2
(O,OH)
 
6
Colour:Brown-black; ...Hardness:5 - 6
Name:The name reflects its tantalum content and similarity to euxenite-(Y).


Euxenite Group

Classification of Tanteuxenite-(Y)

IMA status:Approved
Strunz 8th edition ID:4/D.19-50
Nickel-Strunz 10th (pending) edition ID:4.DG.05

4 : OXIDES (Hydroxides, V[5,6] vanadates, arsenites, antimonites, bismuthites, sulfites, selenites, tellurites, iodates)
D : Metal: Oxygen = 1:2 and similar
G : With large (+- medium-sized) cations; chains of edge-sharing octahedra
Dana 8th edition ID:8.3.8.3

8 : MULTIPLE OXIDES CONTAINING NIOBIUM,TANTALUM OR TITANIUM
3 : AB2O6
Hey's CIM Ref.:18.4.6

18 : Niobates and Tantalates
4 : Niobates and tantalates containing both U and rare earths
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Type Occurrence of Tanteuxenite-(Y)

Type Locality:Cooglegong pegmatite, Pilbara Region, Western Australia, Australia

Physical Properties of Tanteuxenite-(Y)

Lustre:Resinous
Colour:Brown-black; amber-yellow (transmitted light)
Hardness (Mohs):5 - 6
Fracture:Sub-Conchoidal
Density (measured):5.4 - 5.9 g/cm3

Optical Data of Tanteuxenite-(Y)

Type:Isotropic

Chemical Properties of Tanteuxenite-(Y)

Formula:
(Y,Ce,Ca)(Ta,Nb,Ti)
 
2
(O,OH)
 
6
Essential elements:O, Ta, Y
All elements listed in formula:Ca, Ce, H, Nb, O, Ta, Ti, Y

Relationship of Tanteuxenite-(Y) to other Species

Related Minerals - Nickel-Strunz Grouping):

- +
4.DG.05Euxenite-(Y)
(Y,Ca,Ce,U,Th)(Nb,Ta,Ti)
 
2
O
 
6
4.DG.05Fersmite
(Ca,Ce,Na)(Nb,Ta,Ti)
 
2
(O,OH,F)
 
6
4.DG.05Kobeite-(Y)
(Y,Zr)
 
2
(Ti,Fe
3+
 
)
 
2
(O,OH)
 
7
4.DG.05Loranskite-(Y)
(Y,Ce,Ca)ZrTaO
 
6
 (?)
4.DG.05Polycrase-(Y)
(Y,U)(Ti,Nb)
 
2
O
 
6
4.DG.05Uranopolycrase
(U
4+
 
,Y)(Ti,Nb)
 
2
O
 
6
4.DG.05Yttrocrasite-(Y)
(Y,Th,Ca,U)(Ti,Fe)
 
2
(O,OH)
 
6
4.DG.10β-Fergusonite-(Y)
YNbO
 
4
4.DG.10β-Fergusonite-(Nd)
(Nd,Ce)NbO
 
4
4.DG.10β-Fergusonite-(Ce)
(Ce,La,Nd)NbO
 
4
4.DG.10Yttrotantalite-(Y)
(Y,Ca,U
4+
 
,Fe
2+
 
)
 
2
(Ta,Nb)
 
2
O
 
8
4.DG.10Beta-Fergusonite-(Nd)
4.DG.15Foordite
(Sn,Pb)(Nb,Ta)
 
2
O
 
6
4.DG.15Thoreaulite
SnTa
 
2
O
 
6
4.DG.20Raspite
PbWO
 
4
Related Minerals - Hey's Index Grouping:

- +
18.4.1Uranpyrochlore
(U,Ca,Ce)
 
2
(Nb,Ta)
 
2
O
 
6
(OH,F)
18.4.2Yttrocolumbite-(Y)
Y(U
4+
 
,Fe
2+
 
)Nb
 
2
O
 
8
18.4.3Yttrotantalite-(Y)
(Y,Ca,U
4+
 
,Fe
2+
 
)
 
2
(Ta,Nb)
 
2
O
 
8
18.4.4Ishikawaite
U
4+
 
Fe
2+
 
Nb
 
2
O
 
8
18.4.5Euxenite-(Y)
(Y,Ca,Ce,U,Th)(Nb,Ta,Ti)
 
2
O
 
6
18.4.7Kobeite-(Y)
(Y,Zr)
 
2
(Ti,Fe
3+
 
)
 
2
(O,OH)
 
7
18.4.8Polycrase-(Y)
(Y,U)(Ti,Nb)
 
2
O
 
6
18.4.9Yttropyrochlore-(Y)
(Y,Ca,U)
 
1-2
(Nb,Ta,Ti)
 
2
(O,OH)
 
7
18.4.10Calciobetafite
(Ca,RE,Th,U)
 
2
(Nb,Ta,Ti)
 
2
O
 
7
18.4.11Yttrobetafite-(Y)
(Y,U,Ce)
 
2
(Ti,Nb,Ta)
 
2
O
 
6
OH
18.4.12Samarskite-(Y)
(Y,Fe
3+
 
,Fe
2+
 
,U,Th,Ca)
 
2
(Nb,Ta)
 
2
O
 
8

Other Names for Tanteuxenite-(Y)

Synonyms:
Delorenzite (of Zambonini)Tanteuxenite
Other Languages:
German:Tanteuxenit-(Y)

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 Tanteuxenite-(Y)

Reference List:Smpson (1928), Journal of the Royal Society of Western Australia: 14: 45.

Palache, Charles, Harry Berman & Clifford Frondel (1944), The System of Mineralogy of James Dwight Dana and Edward Salisbury Dana Yale University 1837-1892, Volume I: Elements, Sulfides, Sulfosalts, Oxides. John Wiley and Sons, Inc., New York. 7th edition, revised and enlarged: 791.

American Mineralogist (1960): 45: 756.

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    Localities for Tanteuxenite-(Y)

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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.
    Australia
     
    • Western Australia
      • Pilbara Region
    		Journ.Roy.Soc.West. Australia (1928) 14, 45
    Austria
     
    • Salzburg
      • Hohe Tauern Mts
        • Obersulzbach valley
          • Hopffeld area
    		A. Strasser: Die Minerale Salzburgs (1989)
    Democratic Republic of Congo (Zaïre)
     
    • Maniema
    		"Minerals and their Localities," Bernard and Hyrsl, 2004
    Italy
     
    • Piedmont
      • Verbano-Cusio-Ossola Province
        • Ossola Valley
          • Domodossola
            • Cosasca
    		Daniele Ravagnani - I giacimenti uraniferi italiani - Gruppo Min. Lombardo - Museo Civico di Storia Naturale di Milano, 1974
          • Vigezzo Valley
            • Craveggia
    		De Pol C., Vescovi Minutti L. (1967) - Ricerche roentgenografiche sulla tanteuxenite di Craveggia (delorenzite di Zambonini) Rend. Soc. Min. It. - Milano, vol. 22-23 pp. 31-45 and Daniele Ravagnani - I giacimenti uraniferi italiani - Gruppo Min. Lombardo - Museo Civico di Storia Naturale di Milano, 1974
            • Trontano
    		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.
    Sweden
     
    • Uppland
      • Vaxholm
        • Resarö
    		Pavel M. Kartashov data
    USA
     
    • Texas
      • Burnet Co.
    		Self-Collected by Franklin Roberts
    Mineral and/or Locality
    Google
     
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