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Ungursaite

A discredited species name
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Formula:
NaCa5(Ta,Nb)24O65(OH)
Colour:
Colourless
Lustre:
Adamantine
Hardness:
7
Crystal System:
Hexagonal
Discredited as being identical to calciotantite.

Originally reported from Ungursai Ta Deposit, Irtysh River, Kalba Range, Shyghys Qazaqstan Oblysy (Vostochno-Kazakhstanskaya [Eastern-Kazakhstan] Oblast'), Kazakhstan.


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Unique IdentifiersHide

Mindat ID:
7346
Long-form identifier:
mindat:1:1:7346:8

IMA Classification of UngursaiteHide

IMA status:
Discredited

Physical Properties of UngursaiteHide

Lustre:
Adamantine
Transparency:
Transparent
Colour:
Colourless
Hardness:
7 on Mohs scale

Chemistry of UngursaiteHide

Mindat Formula:
NaCa5(Ta,Nb)24O65(OH)
Element Weights:
Element% weight
Ta77.231 %
O18.779 %
Ca3.564 %
Na0.409 %
H0.018 %

Calculated from ideal end-member formula.
Elements listed:
Ca, H, Na, Nb, O, Ta - search for minerals with similar chemistry

Crystallography of UngursaiteHide

Crystal System:
Hexagonal

Other Language Names for UngursaiteHide

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 UngursaiteHide

References for UngursaiteHide

Localities for UngursaiteHide

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.
Kazakhstan
 
  • East Kazakhstan Region
    • Irtysh River
Hawthorne et al. (1986)
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