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Niobochevkinite

A variety of Chevkinite-(Ce)
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Formula:
(Ce,La,Ca,Th)4Fe2+(Fe2+,Ti,Fe3+)2(Ti,Nb,Fe3+)2[Si2O7]2O8
A variety of Chevkinite-(Ce)

Named in 1959 by B. A. Makarochkin as niobian variety of chevkinite. Originally from fenitised granitic pegmatite of Mine #378 of Ilmen Mineralogical Reserve. The material contain up to 7.40 wt.% of Nb2O5.


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Unique IdentifiersHide

Mindat ID:
39231 (as Niobochevkinite)
6867 (as Chevkinite-(Ce))
Long-form identifier:
mindat:1:1:39231:4 (as Niobochevkinite)
mindat:1:1:6867:9 (as Chevkinite-(Ce))
GUID
(UUID V4):
6895e71c-043b-4a22-996a-49e29252a623 (as Niobochevkinite)
c4572a54-402b-4558-a7b4-08f137a169ee (as Chevkinite-(Ce))

Chemical Properties of NiobochevkiniteHide

Formula:
(Ce,La,Ca,Th)4Fe2+(Fe2+,Ti,Fe3+)2(Ti,Nb,Fe3+)2[Si2O7]2O8

First Recorded Occurrence of NiobochevkiniteHide

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 NiobochevkiniteHide

Reference List:
Sort by Year (asc) | by Year (desc) | by Author (A-Z) | by Author (Z-A)
- Makarochkin B.A. Gonibesova K.M., Makarochkina M.S. (1959) Chevkinite from Ilmena Mountains, - Zapiski VMO, pt.88, N5, pp. 546-553 (in Rus.)

Internet Links for NiobochevkiniteHide

Localities for NiobochevkiniteHide

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
 
  • British Columbia
    • Golden Mining Division
      • Ice River Alkaline Complex
Caudle, Dana; Jan Cempírek, Lee A. Groat, Leo J. Millonig (2016) Mineralogy, geochemistry and geochronology of allanite pegmatites on the KIN property, eastern British Columbia. in Second Eugene E. Foord Pegmatite Symposium July 15-19, 2016 Colorado School of Mines campus, Golden, Colorado.
Russia (FRL)
 
  • Chelyabinsk Oblast
    • Ilmen Mountains
Makarochkin B.A. Gonibesova K.M., Makarochkina M.S. (1959) Chevkinite from Ilmena Mountains, - Zapiski VMO, pt.88, N5, pp. 546-553 (in Rus.)
  • Irkutsk Oblast
    • Vitim Plateau
      • Biraya and Bya Rivers confluence area (Chara Basin)
        • Biraya Fe-REE ore occurrence
Pavel M. Kartashov analytical data (2002)
 
Mineral and/or Locality  
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