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Yttropyrochlore (of Hogarth 1977)

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Big Photo

Zelenaya Mogila pegmatite, Eliseevskoe pegmatite field, Eliseevka, Priazovie, Zaporozh'e Oblast', Ukraine
© Pavel M. Kartashov

Show Yttropyrochlore (of Hogarth 1977) Photos (4)



Colour:Dark brown to blackHardness:4½ - 5½
Name:The name is derived from its supposed yttrium content and resemblance to pyrochlore-group minerals.
A variety of Pyrochlore Group

Classification of Yttropyrochlore (of Hogarth 1977)

IMA status:Discredited 2010
Strunz 8th edition ID:4/C.17-60
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:8.2.1.4

8 : MULTIPLE OXIDES CONTAINING NIOBIUM,TANTALUM OR TITANIUM
2 : A2B2O6(O,OH,F)
Hey's CIM Ref.:18.4.9

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

Type Locality:Alakurtti pegmatite, Northern Karelia, Murmanskaja Oblast', Northern Region, Russia

Physical Properties of Yttropyrochlore (of Hogarth 1977)

Lustre:Adamantine, Vitreous
Colour:Dark brown to black
Hardness (Mohs):4½ - 5½

Relationship of Yttropyrochlore (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
(U,Ca,Ce)
 
2
(Nb,Ta)
 
2
O
 
6
(OH,F)
4.DH.15Yttrobetafite (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.20Oxyplumboroméite
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
(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
18.4.6Tanteuxenite-(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
18.4.10Calciobetafite (of Mazzi & Munno)
18.4.11Yttrobetafite (of Hogarth 1977)
18.4.12Samarskite-(Y)
(Y,Fe
3+
 
,Fe
2+
 
,U,Th,Ca)
 
2
(Nb,Ta)
 
2
O
 
8

Other Names for Yttropyrochlore (of Hogarth 1977)

Synonyms:
ObrucheviteYttropyrochlore-(Y) (of Hogarth 1977)
Other Languages:
German:Yttropyrochlor-(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 Yttropyrochlore (of Hogarth 1977)

Reference List:

- +
Doklady Akademii Nauk SSSR (1957): 117: 117.

American Mineralogist (1977): 62: 407.

Internet Links for Yttropyrochlore (of Hogarth 1977)

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    • Localities for Yttropyrochlore (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.
    Hide Locality List
    (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.
    Canada
     
    • Ontario
      • Kenora District
        • Separation Rapids (Separation Lake area)
    		Tindle, A.G. & Breaks, F.W. (1998) Oxide minerals of the Separation Rapids rare-element granitic pegmatite group, northwestern Ontario. Canadian Mineralogist, 36, 609-635.
    • Québec
      • Outaouais
        • Les Collines-de-l'Outaouais RCM
          • Val-des-Monts
            • Lac Saint-Pierre (Wakefield Lake)
    		Pavel Kartashov
    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.
      • Vysočina Region
        • Třebíč
    		Škoda, R., Novák, M., Houzar, S.: Granitické NYF pegmatity třebíčského plutonu. Acta Musei Moraviae, Scientiae geologicae, 2006, roč. 91, s. 129 - 176.
    Italy
     
    • Piedmont
      • Torino Province
        • Luserna San Giovanni
    		Ambrino, P., Brizio, P., Ciriotti, M.E., Finello, G., Marello, B. (2009). Minerali della pietra di Luserna. AMI. CD-ROM (in italian and in english)
    Madagascar
     
    • Antsiranana Province
      • Diana (Northern) Region
        • Ambanja District
          • Ampasindava Peninsula
    		Rakotovao, S. (2009): Les minéralisations associées aux intrusions alcalines d’Ampasindava.- http://madarevues.recherches.gov.mg/revues/pdfxfiles/Madageo13(1).pdf RAKOTOVAO, S.R. (2009): LES MINERALISATIONS ASSOCIEES AUX INTRUSIONS ALCALINES D’AMPASINDAVA.- Ph.D. study, University of Antananarivo, 189 pages.
    Mongolia
     
    • Hovd Aimag (Khovd Aimag)
      • Altai Mts
    		P.M. Kartashov data
    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. Skrifter Norsk Bergverkmuseum 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'
        • Kola Peninsula
          • Khibiny Massif
    		Konopleva, N.G., Ivanyuk, G.Y., Pakhomovsky, Y.A., Yakovenchuk, V.N., Men’shikov, Y.P., and Korchak, Y.A. (2008): Geology of Ore Deposits 50(8), 720-731.
        • 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
    South Korea
     
    • Chungcheongbukdo (Chungchong-pukto)
      • Chungju (Chung Won Kum; Chung-ju)
        • Joongwon-gun
          • Mt. Eorae
    		P.M. Kartashov data
    Ukraine
     
    • Zaporozh'e Oblast'
      • Priazovie
        • Eliseevka
          • Eliseevskoe pegmatite field
    		Lazarenko E.K. e.a. Mineralogy of Priazovie, - Kiev, "Naukova Dumka", 1981, p. 432.
    Mineral and/or Locality
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    Copyright © Jolyon Ralph and Ida Chau 1993-2011. 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. Mindat does not offer minerals for sale. If you would like to add information to improve the quality of our database, then click here to register.
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