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⇱ Yttropyrochlore (of Hogarth 1977): Mineral information, data and localities.

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Yttropyrochlore (of Hogarth 1977)

A variety of Pyrochlore Group
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About Yttropyrochlore (of Hogarth 1977)Hide

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Formula:
A2Nb2(O,OH)6Z
Colour:
Dark brown to black
Lustre:
Adamantine, Vitreous
Hardness:
4½ - 5½
Name:
The name is derived from its supposed yttrium content and resemblance to pyrochlore-group minerals.
This page provides mineralogical data about Yttropyrochlore (of Hogarth 1977).


Unique IdentifiersHide

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Mindat ID:
4372 (as Yttropyrochlore (of Hogarth 1977))
3316 (as Pyrochlore Group)
Long-form identifier:
mindat:1:1:4372:0 (as Yttropyrochlore (of Hogarth 1977))
mindat:1:1:3316:5 (as Pyrochlore Group)

Similar NamesHide

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HydropyrochloreA valid IMA mineral species(H2O,◻)2Nb2(O,OH)6(H2O)

IMA Classification of Yttropyrochlore (of Hogarth 1977)Hide

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Discredited

Classification of Yttropyrochlore (of Hogarth 1977)Hide

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8.2.1.4

8 : MULTIPLE OXIDES CONTAINING NIOBIUM,TANTALUM OR TITANIUM
2 : A2B2O6(O,OH,F)
18.4.9

18 : Niobates and Tantalates
4 : Niobates and tantalates containing both U and rare earths

Physical Properties of Yttropyrochlore (of Hogarth 1977)Hide

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Adamantine, Vitreous
Colour:
Dark brown to black
Hardness:
4½ - 5½ on Mohs scale

Chemistry of Yttropyrochlore (of Hogarth 1977)Hide

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Mindat Formula:
A2Nb2(O,OH)6Z
Element Weights:
Element% weight
Nb65.936 %
O34.064 %

Calculated from ideal end-member formula.

Chemical AnalysisHide

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Oxide wt%:
 1
CaO1.2 %
MnO1.7 %
FeO3.4 %
Sc2O36.0 %
Y2O312.5 %
SnO22.7 %
UO26.6 %
WO32.2 %
Ta2O537.4 %
Nb2O523.5 %
TiO21.0 %
F0.2 %
Total:98.4 %

First Recorded Occurrence of Yttropyrochlore (of Hogarth 1977)Hide

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Synonyms of Yttropyrochlore (of Hogarth 1977)Hide

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Other Language Names for Yttropyrochlore (of Hogarth 1977)Hide

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Other InformationHide

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Health Risks:
No information on health risks for this material has been entered into the database. You should always treat mineral specimens with care.

Internet Links for Yttropyrochlore (of Hogarth 1977)Hide

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mindat.org URL:
https://www.mindat.org/min-4372.html
Please feel free to link to this page.

References for Yttropyrochlore (of Hogarth 1977)Hide

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Localities for Yttropyrochlore (of Hogarth 1977)Hide

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Showing 20 localities.

This map shows a selection of localities that have latitude and longitude coordinates recorded. Click on the 👁 Image
symbol to view information about a locality. The 👁 Image
symbol next to localities in the list can be used to jump to that position on the map.

Locality ListHide

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👁 Image
- This locality has map coordinates listed. 👁 Image
- This locality has estimated coordinates. ⓘ - Click for references and further information on this occurrence. ? - Indicates mineral may be doubtful at this locality. 👁 Image
- Good crystals or important locality for species. 👁 Image
- 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 (e.g. from pseudomorphs).

All localities listed without proper references should be considered as questionable.
Canada
  • Northwest Territories
Ercit et al. (2003)
  • Ontario
    • Kenora District
      • Paterson Lake Area
Tindle et al. (1998)
Avalon Advanced Materials Inc.
  • Québec
    • Outaouais
      • Les Collines-de-l'Outaouais RCM
        • Val-des-Monts
          • Saint-Pierre-de-Wakefield
            • Lake Saint-Pierre
Pavel Kartashov
Czech Republic
  • South Bohemian Region
    • Písek District
      • Kovářov
        • Vepice
Pauliš P. et al. (Kutna Hora, issue 1)
  • South Moravian Region
    • Brno-Country District
      • Drahonín
Škoda et al. (2004)
  • Vysočina Region
    • Třebíč District
      • Stařeč
Škoda
Finland
  • Southwest Finland
    • Laitila
Pavel M. Kartashov analytical data 2019
Italy
  • Piedmont
    • Metropolitan City of Turin
Ambrino et al. (2009)
Madagascar
  • Diana
    • Ambanja District
      • Antsirabe
Rakotovao (2009)
Mongolia
  • Khovd Province
    • Myangad District
Pavel.M. Kartashov (n.d.)
Norway
  • Agder
    • Iveland
      • Frikstad
Pavel M. Kartashov analytical data (2011)
  • Svalbard
    • Spitsbergen
      • Hornsund
Pršek et al. (2010)
  • Telemark
    • Drangedal
      • Tørdal
Bergstøl et al. (1988) +1 other reference
Russia
  • Murmansk Oblast
Konopleva et al. (2008) +1 other reference
    • Northern Karelia
[World of Stones 95:5-6 +1 other reference
Clark (1993)
    • Ladoga Region
Pekov (1998)
South Korea
  • North Chungcheong Province
    • Chungju City
      • Joongwon-gun
        • Mt. Eorae
Pavel.M. Kartashov (n.d.)
Ukraine
  • Zaporizhia Oblast
    • Pryazovske Raion
      • Eliseevka
        • Eliseevskoe pegmatite field
Lazarenko E.K. e.a. Mineralogy of ...
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