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Yttropyrochlore (of Hogarth 1977)

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

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.
A variety of Pyrochlore Group


Unique IdentifiersHide

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)
GUID
(UUID V4):
ac1ea218-61ec-43f0-905a-d285841f2e48 (as Yttropyrochlore (of Hogarth 1977))
3a54fe93-40ce-4d2b-baa3-52597b88699b (as Pyrochlore Group)

Classification of Yttropyrochlore (of Hogarth 1977)Hide

Discredited
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

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

Chemical Properties of Yttropyrochlore (of Hogarth 1977)Hide

Formula:
A2Nb2(O,OH)6Z

Chemical AnalysisHide

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 %
Sample references:
IDLocalityReferenceNotes
1Heftetjern pegmatite, TĂžrdal, Drangedal, Vestfold og Telemark, NorwayBergstAltered ixiolite. Electron Microprobe analysis.

First Recorded Occurrence of Yttropyrochlore (of Hogarth 1977)Hide

Synonyms of Yttropyrochlore (of Hogarth 1977)Hide

Other Language Names for Yttropyrochlore (of Hogarth 1977)Hide

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.

Internet Links for Yttropyrochlore (of Hogarth 1977)Hide

References for Yttropyrochlore (of Hogarth 1977)Hide

Reference List:

Localities for Yttropyrochlore (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 references and 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 (e.g. from pseudomorphs).

All localities listed without proper references should be considered as questionable.
Canada
 
  • Northwest Territories
  • Ontario
    • Kenora District
      • Paterson Lake Area
  • QuĂ©bec
    • Outaouais
      • Les Collines-de-l'Outaouais RCM
        • Val-des-Monts
          • Lake Saint-Pierre
Czech Republic
 
  • South Bohemian Region
    • PĂ­sek District
      • Kováƙov
        • Vepice
  • South Moravian Region
    • Brno-Country District
      • DrahonĂ­n
  • Vysočina Region
    • Tƙebíč District
      • Staƙeč
Finland
 
  • Southwest Finland
    • Laitila
Italy
 
  • Piedmont
    • Metropolitan City of Turin
Madagascar
 
  • Diana
    • Ambanja
      • Antsirabe
Mongolia
 
  • Khovd Province
    • Myangad District
Norway
 
  • Agder
    • Iveland
      • Frikstad
  • Svalbard
    • Spitsbergen
      • Hornsund
  • Vestfold og Telemark
    • Drangedal
      • TĂžrdal
Russia
 
  • Murmansk Oblast
    • Khibiny Massif
    • Northern Karelia
    • Ladoga Region
South Korea
 
  • North Chungcheong Province
    • Chungju City
      • Joongwon-gun
        • Mt. Eorae
Ukraine
 
  • Zaporizhia Oblast
    • Pryazovske Raion
      • Eliseevka
        • Eliseevskoe pegmatite field
 
Mineral and/or Locality  
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