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Plumbobetafite (of Hogarth 1977)

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Hardness:4½ - 5½
A variety of Pyrochlore Supergroup

Plumbobetafite of Ganzeev et al. (1969) is a Zero valent dominant member of the Pyrochlore Group. Plumbobetafite of Voloshin et al. (1993) is a plumbobetafite

Classification of Plumbobetafite (of Hogarth 1977)

IMA status:Discredited 2010
Strunz 8th edition ID:4/C.16-40
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:8.2.3.3

8 : MULTIPLE OXIDES CONTAINING NIOBIUM,TANTALUM OR TITANIUM
2 : A2B2O6(O,OH,F)
Hey's CIM Ref.:18.3.4

18 : Niobates and Tantalates
3 : Niobates and tantalates containing U but not rare earths
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Type Occurrence of Plumbobetafite (of Hogarth 1977)

Type Locality:Burpala alkaline Massif, Maigunda River, Mama River Basin, Buriatia (Buryatia), Prebaikalia (Pribaikal'e), Eastern-Siberian Region, Russia
Year of Discovery:1969

Physical Properties of Plumbobetafite (of Hogarth 1977)

Hardness (Mohs):4½ - 5½

Relationship of Plumbobetafite (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.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.15Yttrobetafite (of Hogarth 1977)
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:

- +
18.3.1Liandratite
U(Nb,Ta)
 
2
O
 
8
18.3.2Uranmicrolite (of Hogarth 1977)
18.3.3Betafite (of Hogarth 1977)
18.3.5Petscheckite
UFe(Nb,Ta)
 
2
O
 
8
18.3.6Hydroxy-petscheckite
UFe
 
1/3
(Nb,Ta)
 
2
O
 
7
(O,OH)
18.3.7Oxy-petscheckite
UFe
 
2/3
(Nb,Ta)
 
2
O
 
8
18.3.8Ashanite
(Nb,Ta,U,Fe,Mn)
 
4
O
 
8

Other Names for Plumbobetafite (of Hogarth 1977)

Other Languages:
German:Plumbobetafit
Spanish:Plumbobetafita

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 Plumbobetafite (of Hogarth 1977)

Reference List:

- +
American Mineralogist (1970): 55: 1068.

American Mineralogist (1977): 62: 403.

Internet Links for Plumbobetafite (of Hogarth 1977)

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  • Localities for Plumbobetafite (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.
    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
    Russia
     
    • Eastern-Siberian Region
      • Prebaikalia (Pribaikal'e)
        • Buriatia (Buryatia)
          • Mama River Basin
            • Maigunda River
    Pekov, I. (1998) Minerals First discovered on the territory of the former Soviet Union 369p. Ocean Pictures, Moscow
    USA
     
    • Nevada
      • Mineral Co.
        • Fitting District
          • Gillis Range
    NBMG Spec. Pub. 31 Minerals of Nevada
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