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Bismutopyrochlore (of Chukanov et al.)

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Formula:
A2Nb2(O,OH)6Z
Colour:
Black
Lustre:
Vitreous
Hardness:
5
Crystal System:
Amorphous
Name:
From composition and relationship to pyrochlore.
This page provides mineralogical data about Bismutopyrochlore (of Chukanov et al.).


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Classification of Bismutopyrochlore (of Chukanov et al.)Hide

Discredited
Approval History:
1998: Approved as bismutopyrochlore by IMA (IMA 1998-059).
Discredited due to a new revised nomenclature of the pyrochlore supergroup by IMA in 2010 (Atencio et al. (2010).
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

Physical Properties of Bismutopyrochlore (of Chukanov et al.)Hide

Vitreous
Colour:
Black
Streak:
Yellow
Hardness:

Chemical Properties of Bismutopyrochlore (of Chukanov et al.)Hide

Formula:
A2Nb2(O,OH)6Z

Crystallography of Bismutopyrochlore (of Chukanov et al.)Hide

Crystal System:
Amorphous

First Recorded Occurrence of Bismutopyrochlore (of Chukanov et al.)Hide

Synonyms of Bismutopyrochlore (of Chukanov et al.)Hide

Other Language Names for Bismutopyrochlore (of Chukanov et al.)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.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.15Plumbopyrochlore (of Skorobogatova et al.)A2Nb2(O,OH)6Z
4.DH.15Plumbomicrolite (of Hogarth 1977)
4.DH.15Plumbobetafite (of Hogarth 1977)A2-mB2X6-wY1-n
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.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

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 Bismutopyrochlore (of Chukanov et al.)Hide

Reference List:
Sort by Year (asc) | by Year (desc) | by Author (A-Z) | by Author (Z-A)
Chukanov, N.V., Skrigitil, A.M., Kuzimina, O.V. & Zadov, A.E. (1999): Bismutopyrochlore (Bi,U,Ca,Pb)1+x(Nb,Ta)2O6(OH)•nH2O – a new mineral from the Mika pegmatite vein (eastern Pamirs). Zapiski Vsesoyuznoye Mineralogichestogo Obshchestvo: 128(4):36-41(in Russian)

Internet Links for Bismutopyrochlore (of Chukanov et al.)Hide

Localities for Bismutopyrochlore (of Chukanov et al.)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.
Australia
 
  • Queensland
    • Mount Isa City Shire
Pavel M. Kartashov analythical data of 2016
Canada
 
  • Northwest Territories
Canadian Mineralogist 41:117-137
Tajikistan (FRL)
 
  • Viloyati Mukhtori Gorno-Badakhshan (Viloyati Badakhshoni Kuni)
    • Pamir Mts
      • Rangkul' Highlands
Chukanov, N.V., Skrigitil, A.M., Kuzimina, O.V. & Zadov, A.E. (1999): Bismutopyrochlore (Bi,U,Ca,Pb)1+x(Nb,Ta)2O6(OH)•nH2O – a new mineral from the Mika pegmatite vein (eastern Pamirs). Zapiski Vsesoyuznoye Mineralogichestogo Obshchestvo: 128(4):36-41(in Russian); AmMin 85:1561]
Mineral and/or Locality  
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