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Barian Betafite (of Mironov)

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About Barian Betafite (of Mironov)Hide

Formula:
(◻,U,Ba,Ca)2(Nb,Ti,Fe)B2O6OH1
Nb+Ta>Ti, 2Ti>Nb+Ti
A variety of Pyrochlore Group

Variety of "betafite" with content of BaO 21 wt.% and more.
According to Hogarth's nomenclature the mineral (2Ti>Nb+Ta) should be named Barian Uranbetafite. According to the later nomenclature of 2010 it belongs to "zero-valent dominant" members of Pyrochlore group (Nb+Ta>Ti). Or may be Hydroxylhydropyrochlore.


Chemical Properties of Barian Betafite (of Mironov)Hide

Formula:
(◻,U,Ba,Ca)2(Nb,Ti,Fe)B2O6OH1

Nb+Ta>Ti, 2Ti>Nb+Ti

Relationship of Barian Betafite (of Mironov) to other SpeciesHide

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 Barian Betafite (of Mironov)Hide

Reference List:
Sort by Year (asc) | by Year (desc) | by Author (A-Z) | by Author (Z-A)
- Mironov A.G. and Gofman A.F, (1979) Barian betafite in pegmatites of Transbaikalien, - Minerals and Minerals Paragenesisa of Rocks and Ores, Leningrad, Nauka, p.127-132 (in Russian).

Internet Links for Barian Betafite (of Mironov)Hide

Localities for Barian Betafite (of Mironov)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.
Russia
 
  • Zabaykalsky Krai
    • Buriatia Republic (Buryatia)
      • Ermakovskoe Be Deposit
        • Zunshibir' valley
Pavel M. Kartashov analytical data of 2008
 
Mineral and/or Locality  
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