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Bismutopyrochlore (of Chukanov et al.)

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


Classification of Bismutopyrochlore (of Chukanov et al.)

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.)

Vitreous
Colour:
Black
Streak:
Yellow
Hardness (Mohs):
5

Chemical Properties of Bismutopyrochlore (of Chukanov et al.)

Formula:
A2Nb2(O,OH)6Z
Elements listed in formula:

Crystallography of Bismutopyrochlore (of Chukanov et al.)

Crystal System:
Amorphous

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

Relationship of Bismutopyrochlore (of Chukanov et al.) to other Species

4.DH.05Brannerite(U4+,REE,Th,Ca)(Ti,Fe3+,Nb)2(O,OH)6
4.DH.05OrthobranneriteU4+U6+Ti4O12(OH)2
4.DH.05Thorutite(Th,U,Ca)Ti2(O,OH)6
4.DH.10KassiteCaTi2O4(OH)2
4.DH.10Lucasite-(Ce)CeTi2(O,OH)6
4.DH.15Bariomicrolite (of Hogarth 1977)
4.DH.15Bariopyrochlore (of Hogarth 1977)A2Nb2(O,OH)6Z
4.DH.15Betafite (of Hogarth 1977)A2-mB2X6-wY1-n
4.DH.15Bismutomicrolite (of Hogarth 1977)
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.15Cesstibtantite
4.DH.15JixianitePb(W,Fe3+)2(O,OH)7
4.DH.15Hydropyrochlore(H2O,□)2Nb2(O,OH)6(H2O)
4.DH.15Natrobistantite
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-n
4.DH.15Uranpyrochlore (of Hogarth 1977)(U,Ca,Ce)2(Nb,Ta)2O6(OH,F)
4.DH.15Yttrobetafite (of Hogarth 1977)A2-mB2X6-wY1-n
4.DH.15Yttropyrochlore (of Hogarth 1977)A2Nb2(O,OH)6Z
4.DH.15Fluornatromicrolite(Na1.5Bi0.5)Ta2O6F
4.DH.15Hydrokenoelsmoreite2W2O6(H2O)
4.DH.20BismutostibiconiteBi(Sb5+,Fe3+)2O7
4.DH.20BindheimitePb2Sb2O6O
4.DH.20Monimolite
4.DH.20CuproroméiteCu2Sb2(O,OH)7
4.DH.20StetefeldtiteAg2Sb2(O,OH)7
4.DH.20Stibiconite(Sb,O,OH) ?
4.DH.25RosiaitePbSb25+O6
4.DH.30ZirconoliteCaZrTi2O7
4.DH.35LiandratiteU(Nb,Ta)2O8
4.DH.35PetscheckiteUFe(Nb,Ta)2O8
4.DH.40IngersoniteCa3Mn2+Sb45+O14
4.DH.45PittongiteNa0.22(W,Fe3+)(O,OH)3 · 0.44H2O

Other Names for Bismutopyrochlore (of Chukanov et al.)

Name in Other Languages:

Other Information

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.)

Reference List:
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.)

mindat.org URL:
https://www.mindat.org/min-7065.html
Please feel free to link to this page.

Localities for Bismutopyrochlore (of Chukanov et al.)

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.
(TL) indicates type locality for a valid mineral species. (FRL) indicates first recorded locality for everything else. ? 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.
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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