Mindat Logo
Home Page Log In Message Board The Mindat Directory
Register Search Pages Chat Now! (2 online) Mindat Auctions

Yttrotantalite-(Y)

Big Photo

Ytterby, Resarö, Vaxholm, Uppland, Sweden
© 2001 John H. Betts

Show Yttrotantalite-(Y) Photos (6)
Formula:
(Y,Ca,U
4+
 
,Fe
2+
 
)
 
2
(Ta,Nb)
 
2
O
 
8
System:OrthorhombicColour:Brown-black to black
Hardness:5 - 5½
Name:The name is derived from its yttrium content and similarity to tantalite.


See also iwashiroite-(Y) and formanite-(Y).

Classification of Yttrotantalite-(Y)

IMA status:Approved
Strunz 8th edition ID:4/D.19-90
Nickel-Strunz 10th (pending) edition ID:4.DG.10

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:8.1.3.1

8 : MULTIPLE OXIDES CONTAINING NIOBIUM,TANTALUM OR TITANIUM
1 : ABO4
Hey's CIM Ref.:18.4.3

18 : Niobates and Tantalates
4 : Niobates and tantalates containing both U and rare earths
mindat.org URL:http://www.mindat.org/min-4373.html
Please feel free to link to this page.

Type Occurrence of Yttrotantalite-(Y)

Type Locality:Ytterby, Resarö, Vaxholm, Uppland, Sweden

Physical Properties of Yttrotantalite-(Y)

Lustre:Vitreous, Greasy, Sub-Metallic
Colour:Brown-black to black
Streak:Grey
Hardness (Mohs):5 - 5½
Cleavage:Poor/Indistinct
On {010}.
Fracture:Conchoidal
Density (measured):5.5 - 5.9 g/cm3

Crystallography of Yttrotantalite-(Y)

Crystal System:Orthorhombic
Morphology:Prismatic [001] wth {110} and {010} prominent; also tabular {010}.

Optical Data of Yttrotantalite-(Y)

Type:Isotropic

Chemical Properties of Yttrotantalite-(Y)

Formula:
(Y,Ca,U
4+
 
,Fe
2+
 
)
 
2
(Ta,Nb)
 
2
O
 
8
Essential elements:O, Ta, Y
All elements listed in formula:Ca, Fe, Nb, O, Ta, U, Y
Common Impurities:Nb

Relationship of Yttrotantalite-(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.05Tanteuxenite-(Y)
(Y,Ce,Ca)(Ta,Nb,Ti)
 
2
(O,OH)
 
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.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
18.4.4Ishikawaite
U
4+
 
Fe
2+
 
Nb
 
2
O
 
8
18.4.5Euxenite-(Y)
(Y,Ca,Ce,U,Th)(Nb,Ta,Ti)
 
2
O
 
6
18.4.6Tanteuxenite-(Y)
(Y,Ce,Ca)(Ta,Nb,Ti)
 
2
(O,OH)
 
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 Yttrotantalite-(Y)

Synonyms:
Tantal oxidé yttrifèreYttroilmeniteYttrotantalite
Other Languages:
German:Schwarzer Yttrotantalit
Yttrotantalit
Japanese:イットロタンタル石
Spanish:Yttrotantalita
Swedish:Yttrotantal

Other Information

Health Warning:Mineral is radioactive.

References for Yttrotantalite-(Y)

Reference List:Hermann (1846), Journal. pr. Chem.: 38: 119.

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: 763-766.

Canadian Mineralogist (1957): 6: 72.

Mineralogical Magazine (1958): 31: 937.

Wolten, G.M. (1967): The structure of the M'-phase of YTaO4, a third fergusonite polymorph. Acta Crystallogr., 23, 939-944.


Internet Links for Yttrotantalite-(Y)

Search Engines:
  • Look for Yttrotantalite-(Y) on Google
  • Look for Yttrotantalite-(Y) images on Google
    • External Links:
  • Look for Yttrotantalite-(Y) on Webmineral
  • Look for Yttrotantalite-(Y) on Athena Mineralogy
  • Look for Yttrotantalite-(Y) on Wikipedia
  • Look for Yttrotantalite-(Y) on Mineralien Atlas
  • Raman and XRD data at RRUFF project
  • American Mineralogist Crystal Structure Database
  • Search for Yttrotantalite-(Y) in the Natural History Museum (London) online catalogue
  • Yttrotantalite-(Y) details from Handbook of Mineralogy (PDF)
    • Mineral Dealers:
  • Fabre Minerals - search for Yttrotantalite-(Y) specimens
  • Wright's Rock Shop - excellent mineral specimens since 1970
  • Buy fine minerals and gemstones from Pala International
  • SpiriferMinerals.com - high quality specimens
  • Buy Fine Minerals from mineralsweb.com
  • Search for Yttrotantalite-(Y) at Thames Valley Minerals
  • High-end worldwide specimens & outstanding customer service
  • Find Yttrotantalite-(Y) on www.crystalclassics.co.uk
  • Buy from David K Joyce minerals
  • Mineral Classics - Worldwide Collector Quality Minerals and Gems
  • Rare and Unusual minerals at Mineralogical Research Company
  • The Arkenstone - Fine Minerals
    • Jobs:
  • Mining & Geology Jobs

    • Page Sponsor

    Sponsorship:This page is currently not sponsored. Click here to sponsor this page.

    Localities for Yttrotantalite-(Y)

    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.
    These maps work faster with Firefox!
    (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
     
    • Queensland
      • Mt Isa - Cloncurry area
        • Mary Kathleen district
    		T.Kwak & P.Abeysinghe: "Rare earth and uranium minerals present as daughter crystals in fluid inclusions, Mary Kathleen U-REE skarn, Queensland, Australia: Min. Mag. 51,665-670(1987)
    Canada
     
    • Manitoba
      • Bird River Greenstone Belt
    • Ontario
      • Nipissing District
        • Mattawan Township
          • Mattawan
    		www.ontariominerals.com/onmins-xyz.htm.
    Japan
     
    • Honshu Island
      • Kinki Region
        • Shiga Prefecture
          • Otsu City
    		Nagashima & Nagashima (1960) Nihon Kigenso Koubutsu, 230-231.
      • Tohoku Region
        • Fukushima Prefecture
          • Sukagawa City
    		University of Tokyo collection
    Norway
     
    • Aust-Agder
      • Arendal
        • Helle
    		Andersen, O. (1931): Feltspat II. Forekomster i fylkene Buskerud og Telemark, i flere herreder i Aust-Agder og i Hidra i Vest-Agder. Norges Geologiske Undersøkelse 128b,1-109 [p.76]
      • Evje og Hornnes
    		Frigstad (1968, p. 148); Neumann (1985, p. 81).
      • Iveland
        • Ljosland
    		Bjørlykke (1934, p. 262); Neumann (1985) : Norges mineraler. Norges geologiske undersøkelse Skrifter 68, p. 81).
    Bjørlykke, H. (1934): The Mineral Paragenesis and Classification of the Granite Pegmatites of Iveland, Setesdal, Southern Norway. Norsk Geologisk Tidsskrift 14, 211-311
        • Mykland
    		Oftedal (1948, p. 22); Rosenqvist (1949, p. 41); Neumann (1985, p. 80).
    B. Nilssen (1962, pers. com.); Neumann (1985, p. 81).
        • Rossås (Rosås)
    		Bjørlykke, H.( 1934): The Mineral Paragenesis and Classification of the Granite Pegmatites of Iveland, Setesdal, Southern Norway. Norsk Geologisk Tidsskrift 14, 211-311
    Frigstad (1968, p. 148); Neumann (1985, p. 81).
    • Østfold
      • Moss
        • Dillingøya (Dillingö)
    		Bjørlykke (1939, p. 35); Neumann (1985, p. 81).
    Brøgger (1906, pp. 137, 154-155); Neumann (1985, pp. 69 and 80).
      • Råde
    		Brøgger (1906, p. 152); Neumann (1985, p. 80).
    • Telemark
      • Drangedal
        • Tørdal
    		Raade, G. & Kristiansen, R. (2000a): Mineralogy and geochemistry of the Heftetjern granite pegmatite, Tørdal: a progress report. Skrifter Norsk Bergverkmuseum 17:19-25
    Oftedal (1942); Neumann (1985, pp. 80-81).
    Russia
     
    • Urals Region
      • Southern Urals
        • Chelyabinsk Oblast'
          • Ilmen Mts
    South Korea
     
    • Chungcheongnam-do (Ch'ungch'ong-namdo; Chungcheongnamdo)
      • Hongsong-gun
    		Hideo Tsuda (1969) Supplement to "Minerals of Korea".
    Sweden
     
    • Bohuslän
      • Orust
    • Dalarna
      • Borlänge
    		Brotzen 1959, GFF 81, p. 285
      • Falun
    Geologiska Föeningens I Stockholm. Förhandlinger, Stockholm: 1, 119.
    Berzelius, J.J. (1815): Afhandl. Fys. Kem. Min., 4, 262-93.; Kjellman (unpublished)
    GFF 1, 119
    Brotzen 1959, GFF 81, p. 286
    Brotzen 1959, GFF 81, p. 286
      • Ludvika
        • Grängesberg
    		Brotzen 1959, GFF 81, p. 286
      • Säter
        • Gustavs
    		No reference listed
    • Småland
      • Vetlanda
        • Alseda
    		H.-J.Wilke: Die Mineralien und Fundstellen von Schweden.1997
    Swedish Nat.Musuem
    • Uppland
      • Norrtälje
        • Väddö
    		Wilke, H.-J. (1997): Die Mineralien und Fundstellen von Schweden. Chr. Weise Verlag, München, 200 pp. (in German)
      • Vaxholm
        • Resarö
    		[MinRec 2:137-138]; Ekeberg, KVA 1802, 68-83.
    • Värmland
      • Filipstad
    		No reference listed
    • Västergötland
      • Vänersborg
        • Väne Ryr
    		Brotzen GFF 1961; Heinrich 1960, AZ Bur. of Mines Bull. 167: 12-18. Kjellman (unpublished data)
    USA
     
    • Arizona
      • Mohave Co.
        • Aquarius Mts (Aquarius Range; Peacock Range)
    		Heinrich, E. Wm. (1960), AZ Bur. of Mines Bull. 167: 12-18; Anthony, J.W., et al (1995), Mineralogy of Arizona, 3rd.ed.: 429; Encyclopedia of Minerals, 2nd. ed.: 965.
    • Colorado
      • El Paso Co.
    		Rocks & Minerals (Sept. 2001)
      • Fremont Co.
        • Kuntz Gulch
    		Minerals of Colorado (1997) E.B. Eckels
      • Jefferson Co.
        • Clear Creek pegmatite Province
    		Minerals of Colorado (1997) Eckels, E. B.
        • South Platte Pegmatite District
    		Mineralogical Record: 21: 429.
      • Park Co.
    		Minerals of Colorado (1997) E.B. Eckels
      • Teller Co.
    		Seaman (1976) Pegmatite Minerals of the World.
    Minerals of Colorado (1997) E.B. Eckels
    • New Mexico
      • Rio Arriba Co.
    		Northrop, Minerals of New Mexico, 3rd rev. Ed., 1996
          • Alamos area
    		Minerals of New Mexico 3rd ed.
    Minerals of New Mexico 3rd ed.
          • Cribbenville area
    		Minerals of New Mexico 3rd ed.
          • La Jarita-Apache area
    		Minerals of New Mexico 3rd ed.
      • San Miguel Co.
    		Northrop, Minerals of New Mexico, 3rd rev. ed, 1996
    Leonard S.Wiener and Sigrid Ballew,1995, Updated by Kenny Gay,2006, A Listing Of North Carolina Minerals,Geologic Note No.4
    Mineral and/or Locality
    Google
     
    www.mindat.org Web
    Copyright © Jolyon Ralph and Ida Chau 1993-2009. Site Map. Locality, mineral & photograph data are the copyright of the individuals who submitted them.Further information contact the Site hosted & developed by Jolyon Ralph. Mindat.org is an online information resource dedicated to providing free mineralogical information to all. Mindat relies on the contributions of hundreds of members and supporters. If you would like to add information to improve the quality of our database, then click here to register.