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Yttrobetafite (of Hogarth 1977)

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Colour:GreenHardness:4½ - 5½
Name:The name is derived from its yttrium content and similarity to betafite.
A variety of Pyrochlore Supergroup

Yttrobetafite-(Y) 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.

Classification of Yttrobetafite (of Hogarth 1977)

IMA status:Discredited 2010
Strunz 8th edition ID:4/C.16-30
Nickel-Strunz 10th (pending) edition ID:4.DH.15

4 : OXIDES (Hydroxides, V[5,6] vanadates, arsenites, antimonites, bismuthites, sulfites, selenites, tellurites, iodates)
D : Metal: Oxygen = 1:2 and similar
H : With large (+- medium-sized) cations; sheets of edge-sharing octahedra
Dana 8th edition ID:8.2.3.2

8 : MULTIPLE OXIDES CONTAINING NIOBIUM,TANTALUM OR TITANIUM
2 : A2B2O6(O,OH,F)
Hey's CIM Ref.:18.4.11

18 : Niobates and Tantalates
4 : Niobates and tantalates containing both U and rare earths
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Type Occurrence of Yttrobetafite (of Hogarth 1977)

Co-type Localities:Nuolainiemi pegmatite, Ladoga Region, Karelia Republic, Northern Region, Russia
Alakurtti pegmatite, Northern Karelia, Murmanskaja Oblast', Northern Region, Russia

Physical Properties of Yttrobetafite (of Hogarth 1977)

Lustre:Greasy, Dull
Colour:Green
Hardness (Mohs):4½ - 5½

Relationship of Yttrobetafite (of Hogarth 1977) to other Species

Related Minerals - Nickel-Strunz Grouping):

- +
4.DH.05Brannerite
(U
4+
 
,REE,Th,Ca)(Ti,Fe
3+
 
,Nb)
 
2
(O,OH)
 
6
4.DH.05Orthobrannerite
U
4+
 
U
6+
 
Ti
 
4
O
 
12
(OH)
 
2
4.DH.05Thorutite
(Th,U,Ca)Ti
 
2
(O,OH)
 
6
4.DH.10Kassite
CaTi
 
2
O
 
4
(OH)
 
2
4.DH.10Lucasite-(Ce)
CeTi
 
2
(O,OH)
 
6
4.DH.15Bariomicrolite (of Hogarth 1977)
4.DH.15Bariopyrochlore (of Hogarth 1977)
4.DH.15Betafite (of Hogarth 1977)
4.DH.15Bismutomicrolite (of Hogarth 1977)
4.DH.15Calciobetafite (of Mazzi & Munno)
4.DH.15Ceriopyrochlore (of Hogarth 1977)
4.DH.15Cesstibtantite
4.DH.15Jixianite
Pb(W,Fe
3+
 
)
 
2
(O,OH)
 
7
4.DH.15Hydropyrochlore
(H
 
2
O,□)
 
2
Nb
 
2
(O,OH)
 
6
(H
 
2
O)
4.DH.15Natrobistantite
4.DH.15Plumbopyrochlore (of Skorobogatova et al.)
4.DH.15Plumbomicrolite (of Hogarth 1977)
4.DH.15Plumbobetafite (of Hogarth 1977)
4.DH.15Stibiomicrolite (of Groat et al.)
4.DH.15Strontiopyrochlore (of Hogarth 1977)
4.DH.15Stannomicrolite (of Hogarth 1977)
4.DH.15Stibiobetafite (of Černý et al.)
4.DH.15Uranpyrochlore (of Hogarth 1977)
(U,Ca,Ce)
 
2
(Nb,Ta)
 
2
O
 
6
(OH,F)
4.DH.15Yttropyrochlore (of Hogarth 1977)
4.DH.15Fluornatromicrolite
(Na,Ca,Bi)
 
2
Ta
 
2
O
 
6
F
4.DH.15Bismutopyrochlore (of Chukanov et al.)
4.DH.15Hydrokenoelsmoreite
 
2
W
 
2
O
 
6
(H
 
2
O)
4.DH.20Bismutostibiconite
Bi(Sb
5+
 
,Fe
3+
 
)
 
2
O
 
7
4.DH.20Bindheimite
Pb
 
2
Sb
 
2
O
 
6
O
4.DH.20Monimolite
4.DH.20Cuproroméite
Cu
 
2
Sb
 
2
(O,OH)
 
7
4.DH.20Stetefeldtite
Ag
 
2
Sb
 
2
(O,OH)
 
7
4.DH.20Stibiconite
4.DH.25Rosiaite
PbSb
5+
2
O
 
6
4.DH.30Zirconolite
CaZrTi
 
2
O
 
7
4.DH.35Liandratite
U(Nb,Ta)
 
2
O
 
8
4.DH.35Petscheckite
UFe(Nb,Ta)
 
2
O
 
8
4.DH.40Ingersonite
Ca
 
3
MnSb
 
4
O
 
14
4.DH.45Pittongite
Na
 
0.22
(W,Fe
3+
 
)(O,OH)
 
3
· 0.44H
 
2
O
Related Minerals - Hey's Index Grouping:

- +
18.4.1Uranpyrochlore (of Hogarth 1977)
(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,Ti,Ta)
 
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 (of Hogarth 1977)
18.4.10Calciobetafite (of Mazzi & Munno)
18.4.12Samarskite-(Y)
(Y,Fe
3+
 
,Fe
2+
 
,U,Th,Ca)
 
2
(Nb,Ta)
 
2
O
 
8

Other Names for Yttrobetafite (of Hogarth 1977)

Synonyms:
Yttrobetafite-(Y) (of Hogarth 1977)
Other Languages:
German:Yttrobetafit
Spanish:Yttrobetafita

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 Yttrobetafite (of Hogarth 1977)

Reference List:

- +
Trudy Inst. Mineral. Geokhim. Kristallogr. Redkikh Elem. (1962): 8: 210.

American Mineralogist (1964): 49: 440.

American Mineralogist (1977): 62: 403-410.

American Mineralogist (1988): 73: 1420.

Internet Links for Yttrobetafite (of Hogarth 1977)

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  • Localities for Yttrobetafite (of Hogarth 1977)

    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.
    (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.
    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.
    Germany
     
    • Bavaria
      • Lower Bavaria
        • Bavarian Forest
          • Tittling
            • Matzersdorf
    Habel, M. (2011): Neufunde aus dem östlichen Bayerischen Wald (VIII). Mineralien Welt. 22 (1),80-87
          • Waldkirchen
            • Röhrnbach
    Habel, M. (2009): Der Granodioritbruch der Fa. Josef Uhrmann OHG, Steinerleinbach bei Röhrnbach. Mineralien-Welt 20 (2), 66-86.
    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
     
    • Northern Region
      • Karelia Republic
        • Ladoga Region
    Pekov, I. (1998) Minerals First discovered on the territory of the former Soviet Union 369p. Ocean Pictures, Moscow
      • Murmanskaja Oblast'
        • Northern Karelia
    [World of Stones 95:5-6, p64]; Pekov, I. (1998) Minerals First discovered on the territory of the former Soviet Union 369p. Ocean Pictures, Moscow
    The Moon
     
    • Fra Mauro Highlands
    Meyer C. and Yang S.V. (1988) Tungsten-bearing yttrobetafite in lunar granophyre, - Am. Mineral. 73, 1420-1425.
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