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Nacareniobsite-(Ce) from
Kvanefjeld adit, Kvanefjeld Uranium deposit, Kvanefjeld (Kuannersuit Plateau), Ilímaussaq complex, Narsaq, Kujalleq, Greenland, Denmark

Locality type:Adit
Classification
Species:Nacareniobsite-(Ce)
Formula:NbNa3Ca3(Ce,REE )(Si2O7)2OF3
Comments:Found in dissolution cavities in lujavrite ( = a arfvedsonite- nepehline syenite) and in the lujavrite itself.
Habit:Ruler-shaped crystals up to 3,0 x 0,4 x 0,04 mm. tabular on {100} and elongated parallell to [001]
Colour:colorless, transparent
Confirmation
Validity:Valid - Type Locality
References
References:Petersen, O. V.; Rønsbo, J.G. & Leonardsen, E.S. (1989): Nacareniobsite-(Ce), a new mineral species from the Ilímaussaq alkaline complex, South Greenland, and its relation to mosandrite and the rinkite series. Neues Jahrbuch für Mineralogie, Monatshefte 2, 84-96
Associated Minerals Based on Photo Data:
Steenstrupine-(Ce)3 photos of Nacareniobsite-(Ce) associated with Steenstrupine-(Ce) at this locality.
Albite2 photos of Nacareniobsite-(Ce) associated with Albite at this locality.
Aegirine2 photos of Nacareniobsite-(Ce) associated with Aegirine at this locality.
Pectolite1 photo of Nacareniobsite-(Ce) associated with Pectolite at this locality.
Data
Mineral Data:Click here to view Nacareniobsite-(Ce) data
Locality Data:Click here to view Kvanefjeld adit, Kvanefjeld Uranium deposit, Kvanefjeld (Kuannersuit Plateau), Ilímaussaq complex, Narsaq, Kujalleq, Greenland, Denmark
Photo GalleryView Gallery (5 photos)
 
Mineral and/or Locality  
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