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Yttrotantalite-(Y)

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Formula:
(Y,U4+,Fe2+)(Ta,Nb)(O,OH)4
Colour:
Brown-black to black
Lustre:
Vitreous, Greasy, Sub-Metallic
Hardness:
5 - 5½
Specific Gravity:
5.5 - 5.9
Crystal System:
Orthorhombic
Name:
Named after its chemical composition containing yttrium and its similarity to Tantalite.
A member of the Samarskite Group according to Ercit (2005).

See also Iwashiroite-(Y) and Formanite-(Y).


Hide all sections | Show all sections

Classification of Yttrotantalite-(Y)Hide

Approved, 'Grandfathered' (first described prior to 1959)
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
8.1.3.1

8 : MULTIPLE OXIDES CONTAINING NIOBIUM,TANTALUM OR TITANIUM
1 : ABO4
18.4.3

18 : Niobates and Tantalates
4 : Niobates and tantalates containing both U and rare earths

Physical Properties of Yttrotantalite-(Y)Hide

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

Optical Data of Yttrotantalite-(Y)Hide

Type:
Isotropic

Chemical Properties of Yttrotantalite-(Y)Hide

Formula:
(Y,U4+,Fe2+)(Ta,Nb)(O,OH)4
IMA Formula:
(Y,U,Fe2+)(Ta,Nb)2(O,OH)4
Common Impurities:
Nb

Crystallography of Yttrotantalite-(Y)Hide

Crystal System:
Orthorhombic
Cell Parameters:
a = 5.34 Å, b = 10.94 Å, c = 5.07 Å
Ratio:
a:b:c = 0.488 : 1 : 0.463
Unit Cell V:
296.19 ų (Calculated from Unit Cell)
Morphology:
Prismatic [001] with {110} and {010} prominent; also tabular {010}.
Comment:
Metamict. Space group not determined.

X-Ray Powder DiffractionHide

Powder Diffraction Data:
d-spacingIntensity
2.95 (10)
2.56 (6)
1.81 (9)
1.55 (9)
1.183 (6)
1.152 (6)
1.053 (5)
Comments:
After heating at 1000°C for one hour.

Type Occurrence of Yttrotantalite-(Y)Hide

Synonyms of Yttrotantalite-(Y)Hide

Other Language Names for Yttrotantalite-(Y)Hide

Common AssociatesHide

Associated Minerals Based on Photo Data:
Alvite2 photos of Yttrotantalite-(Y) associated with Alvite on mindat.org.

Related Minerals - Nickel-Strunz GroupingHide

4.DG.05Euxenite-(Y)(Y,Ca,Ce,U,Th)(Nb,Ta,Ti)2O6Orth. mmm (2/m 2/m 2/m)
4.DG.05Fersmite(Ca,Ce,Na)(Nb,Ta,Ti)2(O,OH,F)6Orth. mmm (2/m 2/m 2/m) : Pbcn
4.DG.05Kobeite-(Y)(REE,Fe,U)3 Zr(Ti,Nb)3 O12
4.DG.05Loranskite-(Y)(Y,Ce,Ca)ZrTaO6 (?)
4.DG.05Polycrase-(Y)Y(Ti,Nb)2(O,OH)6Orth. mmm (2/m 2/m 2/m)
4.DG.05Tanteuxenite-(Y)Y(Ta,Nb,Ti)2(O,OH)6
4.DG.05Uranopolycrase(U4+,Y)(Ti,Nb)2O6Orth. mmm (2/m 2/m 2/m) : Pbcn
4.DG.05Yttrocrasite-(Y)(Y,Th,Ca,U)(Ti,Fe)2(O,OH)6Amor.
4.DG.10Fergusonite-(Y)-βYNbO4Mon. 2/m
4.DG.10Fergusonite-(Nd)-β(Nd,Ce)NbO4
4.DG.10Fergusonite-(Ce)-β(Ce,La,Nd)NbO4
4.DG.10Beta-Fergusonite-(Nd)(Nd,Ce)NbO4
4.DG.15FoorditeSn2+(Nb,Ta)2O6Mon. 2/m : B2/b
4.DG.15Thoreaulite(Sn2+,Pb)(Ta,Nb)2O6Mon.
4.DG.20RaspitePb(WO4)Mon. 2/m : P21/b

Related Minerals - Dana Grouping (8th Ed.)Hide

8.1.3.2Yttrocolumbite-(Y)Y(U4+,Fe2+)Nb2O8

Related Minerals - Hey's Chemical Index of Minerals GroupingHide

18.4.1Uranpyrochlore (of Hogarth 1977)(U,Ca,Ce)2(Nb,Ta)2O6(OH,F)Iso.
18.4.2Yttrocolumbite-(Y)Y(U4+,Fe2+)Nb2O8
18.4.4IshikawaiteU4+Fe2+Nb2O8Mon.
18.4.5Euxenite-(Y)(Y,Ca,Ce,U,Th)(Nb,Ta,Ti)2O6Orth. mmm (2/m 2/m 2/m)
18.4.6Tanteuxenite-(Y)Y(Ta,Nb,Ti)2(O,OH)6
18.4.7Kobeite-(Y)(REE,Fe,U)3 Zr(Ti,Nb)3 O12
18.4.8Polycrase-(Y)Y(Ti,Nb)2(O,OH)6Orth. mmm (2/m 2/m 2/m)
18.4.9Yttropyrochlore (of Hogarth 1977)A2Nb2(O,OH)6Z
18.4.10Calciobetafite (of Mazzi & Munno)(Ca,Na)2(Nb,Ti)2(O,OH)7
18.4.11Yttrobetafite (of Hogarth 1977)A2-mB2X6-wY1-n
18.4.12Samarskite-(Y)(Y,Fe3+,Fe2+,U,Th,Ca)2(Nb,Ta)2O8Orth. mmm (2/m 2/m 2/m) : Pbcn

Other InformationHide

Health Risks:
radioactive

References for Yttrotantalite-(Y)Hide

Reference List:
Sort by Year (asc) | by Year (desc) | by Author (A-Z) | by Author (Z-A)
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.
Ercit, T.S. (2005): Identification and alteration trends of granitic–pegmatite-hosted (Y,REE,U,Th)–(Nb,Ta,Ti) oxide minerals: a statistical approach. Can. Mineral. 43, 4 1291-1303.

Internet Links for Yttrotantalite-(Y)Hide

Localities for Yttrotantalite-(Y)Hide

This 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.

Locality ListHide

- This locality has map coordinates listed. - This locality has estimated coordinates. ⓘ - Click for further information on this occurrence. ? - Indicates mineral may be doubtful at this locality. - Good crystals or important locality for species. - World class for species or very significant. (TL) - Type Locality for a valid mineral species. (FRL) - First Recorded Locality for everything else (eg varieties). Struck out - Mineral was erroneously reported from this locality. Faded * - Never found at this locality but inferred to have existed at some point in the past (eg from pseudomorphs.)

All localities listed without proper references should be considered as questionable.
Australia
 
  • Queensland
    • Cloncurry Shire
      • Rosebud Station
        • 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: Mineralogical Magazine 51,665-670(1987)
  • Western Australia
    • East Pilbara Shire
Sue Koepke collection
Pegmatites of Western Australia; M Jacobson, M Calderwood, B Grguric; Hesperian Press, Perth 2007
Pegmatites of Western Australia; M Jacobson, M Calderwood, B Grguric; Hesperian Press, Perth, 2007.
Canada
 
  • Manitoba
    • Bird River Greenstone Belt
Morgan Masau, Petr Cerny and Ron Chapman (2000) Exsolution of zirconian-hafnian wodginite from manganoan-tantalian cassiterite, Annie Claim #3 granitic pegmatite, southeastern Manitoba, Canada. The Canadian Mineralogist, 38:685-694.
  • Ontario
    • Nipissing District
      • Mattawan Township
www.ontariominerals.com/onmins-xyz.htm.
Finland
 
  • Western and Inner Finland Region
    • Valkeakoski
Pavel M. Kartashov analytical data of 2017, Jyrki Autio materials
Germany
 
  • Saxony
    • Oberlausitz
      • Görlitz
        • Thiemendorf
Witzke, T. & Giesler, T. (2013): Eine Seltenerd- und Niob-Tantal-Mineralisation aus dem Königshainer Granit in der Lausitz, Sachsen.- Mineralien-Welt 24(1), 36-45
Japan
 
  • Honshu Island
    • Kinki Region
      • Shiga Prefecture
        • Otsu City
Nagashima & Nagashima (1960) Nihon Kigenso Koubutsu, 230-231.
Yamada, S. (2004) Nihonsan-koubutsu Gojuon-hairetsu Sanchi-ichiranhyou (111 pp.)
    • Tohoku Region
      • Fukushima Prefecture
        • Kawamata
          • Iizaka Village (Iisaka)
Van King specimen
        • Sukagawa City
University of Tokyo collection
Norway
 
  • Aust-Agder
    • Arendal
      • Stokken
        • 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
      • Vardeheia
Neumann, H. (1985): Norges Mineraler. Norges geologiske Undersøkelse Skrifter 68, 278 pp. p. 81
    • Froland
      • Mykland
Rosenqvist, I.Th. (1949): Samarskit-yttrotantalit ved Bjortjenn i Mykland herred. Norsk Geologisk Tidsskrift. 28, 40-43
Nilssen, B.(1962): Ny lokalitet for yttrotantalitt. in Geologisk Museum. Interne notater 1961-1990. Published by Geologisk Museums Venner, Oslo 1991, p 8; Neumann, H. (1985): Norges Mineraler. Norges geologiske Undersøkelse Skrifter 68, 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
Bjørlykke, H. (1934): The Mineral Paragenesis and Classification of the Granite Pegmatites of Iveland, Setesdal, Southern Norway. Norsk Geologisk Tidsskrift 14, 211-311
      • 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, O. F. (1968): En undersøkelse av cleavelandittsonerte pegmatittganger i Iveland-Evje, Nedre Setesdal. Hovedfagsoppgave (Thesis), University of Oslo p. 148
  • Østfold
    • Moss
      • Dillingøya (Dillingö)
Bjørlykke, H. (1939): Feltspat V. De sjeldne mineraler på de norske granittiske pegmatittganger. Norges Geologiske Undersøkelse. 154. 77p. (p.35)
Brøgger, W.C. (1906): Die Mineralien der Südnorwegischen Granitpegmatitgänge, I. Niobate, tantalate, titanate und titanoniobate. Videnskapsselskapets Skrifter. I.Mat-Naturv. Klasse 1906, 6. 1-162 [p.152]
    • Råde
Brøgger, W.C. (1906): Die Mineralien der Südnorwegischen Granitpegmatitgänge, I. Niobate, tantalate, titanate und titanoniobate. Videnskapsselskapets Skrifter. I.Mat-Naturv. Klasse 1906, 6. 1-162 [p. 50]
  • Telemark
    • Drangedal
      • Tørdal
Raade, G. & Kristiansen, R. (2000a): Mineralogy and geochemistry of the Heftetjern granite pegmatite, Tørdal: a progress report. Norsk Bergverksmuseum Skrifter. 17, 19-25
Oftedal, I. (1942): Lepidolit-og tinnsteinsførende pegmatitt i Tørdal, Telemark. Norske Geologisk Tidsskrift 22: 1-14; Neumann, H. (1985): Norges Mineraler. Norges geologiske Undersøkelse Skrifter 68 pp. 80-81
Russia
 
  • Urals Region
    • Southern Urals
      • Chelyabinsk Oblast'
South Korea
 
  • Chungcheongnam-do (Ch'ungch'ong-namdo; Chungcheongnamdo)
    • Hongsong-gun
Hideo Tsuda (1969) Supplement to "Minerals of Korea".
Sweden
 
  • Bohuslän
    • Orust
  • Dalarna
    • Borlänge
      • Stora Tuna
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
      • St. Skedevi
No reference listed
  • Småland
    • Vetlanda
      • Alseda
        • Slättåkra
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)
    • Österåker
Nysten, P. (1996): Paragenetic setting and crystal chemistry of milarites from Proterozoic granitic pegmatites in Sweden. Neues Jahrbuch für Mineralogie, Monatshefte 1996, 564-576.
    • Vaxholm
The Swedish Museum of Natural History collection # 19170504 (Axel Lindströms mineral collection)
      • Resarö
[MinRec 2:137-138]; Ekeberg, KVA 1802, 68-83.
  • Värmland
    • Filipstad
      • Persberg District
        • Kroppa
No reference listed
  • Västergötland
    • Ale
      • Nödinge
Natural History Museum, Stockholm collection, inventory # g31354
    • Vänersborg
      • Väne Ryr
Brotzen GFF 1961; Heinrich 1960, AZ Bur. of Mines Bull. 167: 12-18. Kjellman (unpublished data); Wallerius, I. D. (1932): Omvandlad pyrofysalit. Geologiska Föreningen i Stockholm Förhandlingar. 54, 279-280
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.; Hanson, S.L., Simmons, W.B., Falster, A.U. (2006) 33rd Rochester Mineralogical Symposium, abstracts, 18-19.; Brown, TJ, "Geology & Geochemistry of the Kingman Feldspar, Rare Metals and Wagon Bow Pegmatites" (2010). University of New Orleans Theses and Dissertations. Paper 1280.
  • 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.
        • Cribbenville area
Minerals of New Mexico 3rd ed.
        • La Jarita-Apache area
Minerals of New Mexico 3rd ed.
Minerals of New Mexico 3rd ed.
    • San Miguel Co.
Northrop, Minerals of New Mexico, 3rd rev. ed, 1996
Genth,F.A and Kerr,W.C,1881,Minerals and Mineral Localities of North Carolina,Geologic Survey,N.C
Zimbabwe
 
  • Midlands
    • Kwekwe District (Que Que District)
Gallagher, M.J. (1967): Phosphates and other minerals in pegmatites of Rhodesia and Uganda. Mineralogical Magazine. 36, 50-59
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