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Plumbobetafite (of Hogarth 1977)

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Formula:
A2-mB2X6-wY1-n
Hardness:
4½ - 5½
Name:
Name given for its content of lead, PLUMBum, and its relation to other "betafite" members of the pyrochlore group (sensu lacto). Name first introduced by Ganzeev et al. (1969) for a mineral of the pyrochlore group (sensu lacto) from the Burpala alkaline massif, Russia.
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".


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Classification of Plumbobetafite (of Hogarth 1977)Hide

Discredited
Approval History:
Approved by IMA 1977 (Hogarth 1977).
Discredited by IMA 2012 (Atencio et al. 2013, 2012 IMA Report)
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
8.2.3.3

8 : MULTIPLE OXIDES CONTAINING NIOBIUM,TANTALUM OR TITANIUM
2 : A2B2O6(O,OH,F)
18.3.4

18 : Niobates and Tantalates
3 : Niobates and tantalates containing U but not rare earths

Physical Properties of Plumbobetafite (of Hogarth 1977)Hide

Hardness:
4½ - 5½ on Mohs scale

Chemical Properties of Plumbobetafite (of Hogarth 1977)Hide

Formula:
A2-mB2X6-wY1-n

First Recorded Occurrence of Plumbobetafite (of Hogarth 1977)Hide

Other Language Names for Plumbobetafite (of Hogarth 1977)Hide

Related Minerals - Nickel-Strunz GroupingHide

4.DH.05Brannerite(U4+,REE,Th,Ca)(Ti,Fe3+,Nb)2(O,OH)6Mon. 2/m : B2/m
4.DH.05OrthobranneriteU4+U6+Ti4O12(OH)2Orth.
4.DH.05Thorutite(Th,U,Ca)Ti2(O,OH)6Mon.
4.DH.10KassiteCaTi2O4(OH)2Orth.
4.DH.10Lucasite-(Ce)CeTi2(O,OH)6Mon.
4.DH.15Bariomicrolite (of Hogarth 1977)Iso. m3m (4/m 3 2/m) : Fd3m
4.DH.15Betafite (of Hogarth 1977)A2-mB2X6-wY1+wIso. m3m (4/m 3 2/m) : Fd3m
4.DH.15Bismutomicrolite (of Hogarth 1977)Iso. m3m (4/m 3 2/m) : Fd3m
4.DH.15Calciobetafite (of Mazzi & Munno)(Ca,Na)2(Nb,Ti)2(O,OH)7
4.DH.15Ceriopyrochlore (of Hogarth 1977)A2Nb2(O,OH)6Z
4.DH.15JixianitePb(W,Fe3+)2(O,OH)7Iso. m3m (4/m 3 2/m) : Fd3m
4.DH.15Hydropyrochlore(H2O,□)2Nb2(O,OH)6(H2O)Iso. m3m (4/m 3 2/m) : Fd3m
4.DH.15Natrobistantite
4.DH.15Plumbopyrochlore (of Skorobogatova et al.)A2Nb2(O,OH)6Z
4.DH.15Plumbomicrolite (of Hogarth 1977)
4.DH.15Stibiomicrolite (of Groat et al.)
4.DH.15Strontiopyrochlore (of Hogarth 1977)A2Nb2(O,OH)6Z
4.DH.15Stannomicrolite (of Hogarth 1977)
4.DH.15Stibiobetafite (of Černý et al.)A2-mB2X6-wY1-nIso.
4.DH.15Uranpyrochlore (of Hogarth 1977)(U,Ca,Ce)2(Nb,Ta)2O6(OH,F)Iso.
4.DH.15Yttropyrochlore (of Hogarth 1977)A2Nb2(O,OH)6Z
4.DH.15Fluornatromicrolite(Na1.5Bi0.5)Ta2O6FIso. m3m (4/m 3 2/m) : Fd3m
4.DH.15Bismutopyrochlore (of Chukanov et al.)A2Nb2(O,OH)6ZAmor.
4.DH.15Hydrokenoelsmoreite2W2O6(H2O)Iso. m3m (4/m 3 2/m) : Fd3m
4.DH.20BismutostibiconiteBi(Sb5+,Fe3+)2O7Iso. m3m (4/m 3 2/m) : Fd3m
4.DH.20BindheimitePb2Sb2O6OIso. m3m (4/m 3 2/m) : Fd3m
4.DH.20MonimoliteIso. m3m (4/m 3 2/m)
4.DH.20CuproroméiteCu2Sb2(O,OH)7Iso.
4.DH.20StetefeldtiteAg2Sb2(O,OH)7Iso.
4.DH.20Stibiconite(Sb,O,OH) ?
4.DH.25RosiaitePbSb5+2O6Trig. 3m (3 2/m) : P3 1m
4.DH.30ZirconoliteCaZrTi2O7Orth.
4.DH.35LiandratiteU(Nb,Ta)2O8Trig.
4.DH.35PetscheckiteUFe(Nb,Ta)2O8Hex.
4.DH.40IngersoniteCa3Mn2+Sb5+4O14Trig. 3 2 : P31 2 1
4.DH.45PittongiteNa0.22(W,Fe3+)(O,OH)3 · 0.44H2OHex. 6 m2 : P6m2

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
8.2.3.2Yttrobetafite (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

18.3.1LiandratiteU(Nb,Ta)2O8Trig.
18.3.2Uranmicrolite (of Hogarth 1977)Iso.
18.3.3Betafite (of Hogarth 1977)A2-mB2X6-wY1+wIso. m3m (4/m 3 2/m) : Fd3m
18.3.5PetscheckiteUFe(Nb,Ta)2O8Hex.
18.3.6Hydroxy-petscheckiteUFe1/3(Nb,Ta)2O7(O,OH)
18.3.7Oxy-petscheckiteUFe2/3(Nb,Ta)2O8
18.3.8Ashanite(Nb,Ta,U,Fe,Mn)4O8Orth. mmm (2/m 2/m 2/m) : Pban

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.

References for Plumbobetafite (of Hogarth 1977)Hide

Reference List:
Sort by Year (asc) | by Year (desc) | by Author (A-Z) | by Author (Z-A)
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). [Named as plumbobetafite, analysis shows that it is a Zero valent dominant member of Pyrochlore Group (cfr. Atencio et al. (2010)]
American Mineralogist (1970): 55: 1068-1069. [Abstract]
Hogarth, D. D. (1977): Classification and nomenclature of the pyrochlore group. American Mineralogist: 62: 403-410.
Voloshin, A.V., Y.A. Pakhomovskii, and A.Y. Bakhchisaraytsev (1993) Plumbobetafite in amazonite pegmatites of western Keivy (Kola Peninsula). Mineral. Zhurnal, 15(2): 76–80 (in Russian with English abs.).
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 Plumbobetafite (of Hogarth 1977)Hide

Localities for Plumbobetafite (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.
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
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); Pekov, I. (1998) Minerals First discovered on the territory of the former Soviet Union 369p. Ocean Pictures, Moscow; 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
    • Murmanskaya Oblast'
      • Keivy Mountains
Voloshin, A.V., Y.A. Pakhomovskii, and A.Y. Bakhchisaraytsev (1993) Plumbobetafite in amazonite pegmatites of western Keivy (Kola Peninsula). Mineral. Zhurnal, 15(2): 76–80 (in Russian with English abs.).; 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
USA
 
  • Nevada
    • Mineral Co.
      • Fitting District
        • Gillis Range
NBMG Spec. Pub. 31 Minerals of Nevada
Mineral and/or Locality  
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