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Barian Betafite (of Mironov & Gofman)

A variety of Betafite Group
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09489700017271950306756.jpg
Barian Betafite (of Mironov & Gofman), etc.

Opornyi pegmatite, Zunshibir' valley, Ermakovskoe Be Deposit, Kizhinginsky District, Buryatia, Russia
05574380017271950314409.jpg
Barian Betafite (of Mironov & Gofman), etc.

Opornyi pegmatite, Zunshibir' valley, Ermakovskoe Be Deposit, Kizhinginsky District, Buryatia, Russia
08673250017271950318016.jpg
Barian Betafite (of Mironov & Gofman), etc.

Opornyi pegmatite, Zunshibir' valley, Ermakovskoe Be Deposit, Kizhinginsky District, Buryatia, Russia
09489700017271950306756.jpg
Barian Betafite (of Mironov & Gofman), etc.

Opornyi pegmatite, Zunshibir' valley, Ermakovskoe Be Deposit, Kizhinginsky District, Buryatia, Russia
05574380017271950314409.jpg
Barian Betafite (of Mironov & Gofman), etc.

Opornyi pegmatite, Zunshibir' valley, Ermakovskoe Be Deposit, Kizhinginsky District, Buryatia, Russia
08673250017271950318016.jpg
Barian Betafite (of Mironov & Gofman), etc.

Opornyi pegmatite, Zunshibir' valley, Ermakovskoe Be Deposit, Kizhinginsky District, Buryatia, Russia
09489700017271950306756.jpg
Barian Betafite (of Mironov & Gofman), etc.

Opornyi pegmatite, Zunshibir' valley, Ermakovskoe Be Deposit, Kizhinginsky District, Buryatia, Russia
05574380017271950314409.jpg
Barian Betafite (of Mironov & Gofman), etc.

Opornyi pegmatite, Zunshibir' valley, Ermakovskoe Be Deposit, Kizhinginsky District, Buryatia, Russia
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About Barian Betafite (of Mironov & Gofman)Hide

Formula:
(◻,U,Ba,Ca)2(Ti,Nb,Fe)B2O6OH1
Ti>Nb+Ta>>Fe
Colour:
yellowish-green
Lustre:
Resinous
Crystal System:
Isometric
Variety of "betafite" with content of BaO 21 wt.% and more.
According to Hogarth's nomenclature the mineral should be named Barian Uranbetafite. According to the later nomenclature of 2010 it belongs to "zero-valent dominant" members of Betafite group (Ti>Nb+Ta). Or may be Hydroxylhydrobetafite.


Unique IdentifiersHide

Mindat ID:
36044 (as Barian Betafite (of Mironov & Gofman))
29178 (as Betafite Group)
Long-form identifier:
mindat:1:1:36044:9 (as Barian Betafite (of Mironov & Gofman))
mindat:1:1:29178:7 (as Betafite Group)

IMA Classification of Barian Betafite (of Mironov & Gofman)Hide

IMA status notes:
Published without approval

Physical Properties of Barian Betafite (of Mironov & Gofman)Hide

Lustre:
Resinous
Transparency:
Translucent
Colour:
Yellowish-green
Streak:
White
Cleavage:
None Observed
Fracture:
Conchoidal

Chemistry of Barian Betafite (of Mironov & Gofman)Hide

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

Ti>Nb+Ta>>Fe
Element Weights:
Element% weight
O61.370 %
Ti26.230 %
B11.848 %
H0.552 %

Calculated from ideal end-member formula.
Elements listed:
B, Ba, Ca, Fe, H, Nb, O, Ti, U - search for minerals with similar chemistry

Crystallography of Barian Betafite (of Mironov & Gofman)Hide

Crystal System:
Isometric

Synonyms of Barian Betafite (of Mironov & Gofman)Hide

Common AssociatesHide

Associations Based on Photo Data:
3 photos of Barian Betafite (of Mironov & Gofman) associated with MicroclineK(AlSi3O8)
3 photos of Barian Betafite (of Mironov & Gofman) associated with BaryteBaSO4
1 photo of Barian Betafite (of Mironov & Gofman) associated with ZirconZr(SiO4)

Other InformationHide

Health Risks:
Strong radioactive

Internet Links for Barian Betafite (of Mironov & Gofman)Hide

References for Barian Betafite (of Mironov & Gofman)Hide

Localities for Barian Betafite (of Mironov & Gofman)Hide

Showing 1 localities.

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.
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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.
Russia
 
  • Buryatia
    • Kizhinginsky District
      • Ermakovskoe Be Deposit
        • Zunshibir' valley
Pavel M. Kartashov (n.d.) +1 other reference
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