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Yttrobetafite (of Hogarth 1977)

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Formula:
A2-mB2X6-wY1-n
Lustre:
Greasy, Dull
Hardness:
4½ - 5½
Name:
The name is derived from its yttrium content and similarity to betafite. The name yttrobetafite was first used by Kalita (1961) for specimens from Alakurtii granite pegmatites, Northern Karelia and Nuolainiemi pegmatite, Ladoga Region, Karelia Republic, Russia
Yttrobetafite of Kalita (1959) and Liferovich & Mitchell (2005) are a Zero valent dominant member of Pyrochlore Group.

Yttrobetafite-(Y) from the Moon (Meyer & Yang 1988) is oxycalciobetafite.


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Classification of Yttrobetafite (of Hogarth 1977)Hide

Discredited
Approval History:
Approved by IMA 1977 (Hogarth 1977) based on analysis published by Kalita (1959).
Discredited by IMA 2012 (Atencio et al. 2010, 2012 IMA Report)
4..

4 : OXIDES (Hydroxides, V[5,6] vanadates, arsenites, antimonites, bismuthites, sulfites, selenites, tellurites, iodates)
:
:
8.2.3.2

8 : MULTIPLE OXIDES CONTAINING NIOBIUM,TANTALUM OR TITANIUM
2 : A2B2O6(O,OH,F)
18.4.11

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

Physical Properties of Yttrobetafite (of Hogarth 1977)Hide

Greasy, Dull
Hardness:
4½ - 5½ on Mohs scale

Chemical Properties of Yttrobetafite (of Hogarth 1977)Hide

Formula:
A2-mB2X6-wY1-n

First Recorded Occurrence of Yttrobetafite (of Hogarth 1977)Hide

Synonyms of Yttrobetafite (of Hogarth 1977)Hide

Other Language Names for Yttrobetafite (of Hogarth 1977)Hide

Common AssociatesHide

Associated Minerals Based on Photo Data:
Gummite3 photos of Yttrobetafite (of Hogarth 1977) associated with Gummite on mindat.org.
Biotite3 photos of Yttrobetafite (of Hogarth 1977) associated with Biotite on mindat.org.
Orthoclase2 photos of Yttrobetafite (of Hogarth 1977) associated with Orthoclase on mindat.org.
Aegirine1 photo of Yttrobetafite (of Hogarth 1977) associated with Aegirine on mindat.org.

Related Minerals - Nickel-Strunz GroupingHide

4..Bariopyrochlore (of Hogarth 1977)A2Nb2(O,OH)6ZIso. m3m (4/m 3 2/m) : Fd3m
4..Cesstibtantite
4..ParabariomicroliteBaTa4O10(OH)2 · 2H2OTrig.
4..Mongshanite(Mg,Cr,Fe2+)2(Ti,Zr)5O12Hex.
4..Romanite(◻,Pb,Ca)UFe2+2(Ti,Fe3+)6Ti12O38
4..UM1999-29-SeO:ClCuHPbTric.
4..UM1999-32-SiOSiO2Orth. mmm (2/m 2/m 2/m) : Pbcn
4..MayeniteCa12Al14O32Cl2

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

8.2.3.1Betafite (of Hogarth 1977)A2-mB2X6-wY1+wIso. m3m (4/m 3 2/m) : Fd3m
8.2.3.3Plumbobetafite (of Hogarth 1977)A2-mB2X6-wY1-n
8.2.3.4Stibiobetafite (of Černý et al.)A2-mB2X6-wY1-nIso.
8.2.3.5Calciobetafite (of Mazzi & Munno)(Ca,Na)2(Nb,Ti)2(O,OH)7

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
18.4.3Yttrotantalite-(Y)(Y,U4+,Fe2+)(Ta,Nb)(O,OH)4Orth.
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
18.4.12Samarskite-(Y)(Y,Fe3+,Fe2+,U,Th,Ca)2(Nb,Ta)2O8Orth. mmm (2/m 2/m 2/m) : Pbcn

Other InformationHide

Health Risks:
No information on health risks for this material has been entered into the database. You should always treat mineral specimens with care.

Yttrobetafite (of Hogarth 1977) in petrologyHide

Accessory component of (items highlighted in red)

References for Yttrobetafite (of Hogarth 1977)Hide

Reference List:
Sort by Year (asc) | by Year (desc) | by Author (A-Z) | by Author (Z-A)
Kalita, A. P. (1959) New data on some minerals of the Alakurtti veins. Trudy Inst. Mineral. Geokhimii Kristallokhimii Redkikh Elementov: 2: 164-172 (in Russian).
Kalita, A. P. (1961): Rare Earth Pegmatites of the Alakurtii and Ladoga Region. M. 1961, 119p. (in Russian)
American Mineralogist (1964): 49: 440.
American Mineralogist (1977): 62: 403-410.
American Mineralogist (1988): 73: 1420.
Atencio D., Andrade M.B., Christy A.G., Giere R., Kartashov P.M. (2010): The pyrochlore supergroup of minerals: nomenclature. Canadian Mineralogist, 48, 569-594.

Internet Links for Yttrobetafite (of Hogarth 1977)Hide

Localities for Yttrobetafite (of Hogarth 1977)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.
Brazil
 
  • Paraíba
[Pyrochlore Group var: Zero valent dominant member of Pyrochlore Group] Beurlen, H., Soares, D. R., Thomas, R., Prado-Borges, L. E. & Castro, C. (2005): Mineral chemistry of tantalate species new in the Borborema Pegmatitic Province,northeast Brazil. Anais da Academia Brasileira de Ciências: 77: 169-182; Atencio D., Andrade M.B., Christy A.G., Giere R., Kartashov P.M. (2010): The pyrochlore supergroup of minerals: nomenclature. Canadian Mineralogist, 48, 569-594.
Canada
 
  • Ontario
    • Haliburton Co.
      • Lutterworth Township
[Oxycalciobetafite] Hogarth, D. (1961) A Study of Pyrochlore and Betafite, Canadian Mineralogist, v. 6, p. 610-633.
Czech Republic
 
  • Bohemia (Böhmen; Boehmen)
    • South Bohemia Region
      • Písek
Pauliš P., Kopecký S., Černý P. 2007: Uranové minerály České Republiky a jejich naleziště. 1. část. (Kutna Hora, issue 1)
  • Moravia (Mähren; Maehren)
    • South Moravia Region
      • Tišnov
        • Drahonín
Škoda, R., Novák, M.: Akcesorické Nb-Ta-Ti minerály z pegmatitu v uranovém dole Drahonín, strážecké moldanubikum. Acta Musei Moraviae, Scientiae geologicae, 2004, roč. 89, s. 55 - 66.
Democratic Republic of Congo (Zaïre)
 
  • Kivu
[Pyrochlore Group var: Zero valent dominant member of Pyrochlore Group] Wall, F., W Williams, C.T., Woolley, A.R. & Nasraoui, M. (1996): Pyrochlore from weathered carbonatite at Lueshe, Zaire. Mineralogical Magazine 60, 731-750; Atencio D., Andrade M.B., Christy A.G., Giere R., Kartashov P.M. (2010): The pyrochlore supergroup of minerals: nomenclature. Canadian Mineralogist, 48, 569-594.
Germany
 
  • Bavaria
    • Lower Bavaria
      • Röhrnbach
Habel, M. (2009): Der Granodioritbruch der Fa. Josef Uhrmann OHG, Steinerleinbach bei Röhrnbach. Mineralien-Welt 20 (2), 66-86.
      • Tittling
        • Matzersdorf
Habel, M. (2011): Neufunde aus dem östlichen Bayerischen Wald (VIII). Mineralien Welt. 22 (1),80-87
Greenland
 
  • Qeqqata
    • Maniitsoq (Sukkertoppen)
[Pyrochlore Group var: Zero valent dominant member of Pyrochlore Group] Knudsen, C. (1989) Pyrochlore group minerals from the Quqassuk carbonatite complex. In Lanthanides, Tantalum and Niobium (P.Möller, P. Černý, & F. Saipé, eds.). springer-Verlag, Berlin, Germany; Atencio, D., Andrade, M.B., Christy, A.G., Gieré, R., Kartashov, P.M. (2010) The pyrochlore supergroup of minerals: nomenclature. The Canadian Mineralogist: 48: 673-698.
Italy
 
  • Latium
    • Viterbo Province
      • Vico Lake
        • Vetralla
[Oxycalciobetafite] Cámara, F., Williams, C.T., Della Ventura, G., Oberto, R. & Caprilli, E. (2004): Non-metamict betafite from Le Carcarelle (Vico volcanic complex, Italy): occurrence and crystal structure. Mineralogical Magazine: 68: 939-950.; Atencio, D., Andrade, M.B., Christy, A.G., Gieré, R., Kartashov, P.M. (2010) The pyrochlore supergroup of minerals: nomenclature. The Canadian Mineralogist: 48: 673-698.
Kenya
 
  • Coast Province
[Pyrochlore Group var: Zero valent dominant member of Pyrochlore Group] Harris, P. M. (1965): Pandaite [= bariopyrochlore] from the Mrima Hill niobium deposit (Kenya). Mineralogical Magazine 35, 277-290
Myanmar
 
  • Mandalay Region (Mandalay Division)
    • Pyin-Oo-Lwin District
      • Mogok Township
        • Kyauk-Pyat-That
          • Thurein-taung
[Pyrochlore Group var: Zero valent dominant member of Pyrochlore Group] Pavel M. Kartashov analytical data (2010)
Norway
 
  • Svalbard
    • Spitsbergen
      • Hornsund fjord
Pršek, J., Majka, J., Uher, P. & Chudík, P. (2010): Niobium-tantalum minerals in the Skoddefjellet NYF granitic pegmatite, Svalbard Archipelago, Norway: Primary versus secondary assemblage. Neues Jahrbuch für Mineralogie - Abhandlungen 187, 235-248
  • Telemark
    • Drangedal
      • Tørdal
Bergstøl, S. & Juve, G. (1988). Scandian ixiolite, pyrochlore and bazzite in granite pegmatite in Tørdal, Telemark, Norway. Mineralogy and Petrology, 38:229-243; Raade, G. & Kristiansen, R. (2000a): Mineralogy and geochemistry of the Heftetjern granite pegmatite, Tørdal: a progress report. Norsk Bergverksmuseum Skrifter. 17, 19-25
Russia
 
  • Eastern-Siberian Region
    • Prebaikalia (Pribaikal'e)
      • Buriatia (Buryatia)
        • Mama River Basin
          • Maigunda River
[Pyrochlore Group var: Zero valent dominant member of Pyrochlore Group] Ganzeev, A.A., Efimov, A.F. & Lyubomilova, G.V. (1969): Plumbobetafite – a new mineral variety of the pyrochlore group. Trudy Mineralogiches Muzeya, Akademiya Nauk SSSR 19, 135-137 (in Russian); Atencio D., Andrade M.B., Christy A.G., Giere R., Kartashov P.M. (2010): The pyrochlore supergroup of minerals: nomenclature. Canadian Mineralogist, 48, 569-594.
  • Northern Region
    • Karelia Republic
      • Ladoga Region
Pekov, I. (1998) Minerals First discovered on the territory of the former Soviet Union 369p. Ocean Pictures, Moscow
    • Murmanskaya Oblast'
      • Northern Karelia
[Pyrochlore Group var: Zero valent dominant member of Pyrochlore Group] Kalita, A. P. (1959) New data on some minerals of the Alakurtti veins. Trudy Inst. Mineral. Geokhimii Kristallokhimii Redkikh Elementov: 2: 164-172 (in Russian); Atencio D., Andrade M.B., Christy A.G., Giere R., Kartashov P.M. (2010): The pyrochlore supergroup of minerals: nomenclature. Canadian Mineralogist, 48, 569-594.
Switzerland
 
  • Grischun (Grisons; Graubünden)
    • Hinterrhein Valley
      • Ferrera Valley
        • Ausserferrera
[Oxycalciobetafite] Brugger J., Giere R. (1999) As, Sb, Be and Ce enrichment in minerals from metamorphosed Fe-Mn deposit, Val Ferrera, Eastern Swiss Alps, - Canadian Mineralogist, 37, pp.37-52.
Tanzania
 
  • Mbeya Region
    • Mbeya
[Pyrochlore Group var: Zero valent dominant member of Pyrochlore Group] Jäger, E., Niggli, E. & van der Veen, A.H. (1959): A hydrated barium–strontium pyrochlore in a biotite rock from Panda Hill, Tanganyika. Mineralogical Magazine: 32: 10-25; Atencio D., Andrade M.B., Christy A.G., Giere R., Kartashov P.M. (2010): The pyrochlore supergroup of minerals: nomenclature. Canadian Mineralogist, 48, 569-594.
The Moon
 
  • Fra Mauro Highlands
[Oxycalciobetafite] Meyer C. and Yang S.V. (1988) Tungsten-bearing yttrobetafite in lunar granophyre, - Am. Mineral. 73, 1420-1425.
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