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Nacareniobsite-(Ce)

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CSL129490

Nacareniobsite-(Ce)

Type Locality

Description Tabs

Description
Locality: 
Kvanefjeld, Ilímaussaq, Narsaq, Kujalleq, Greenland
Size Range: 
Thumbnail (1-3cm)
Size: 
1.7 × 1.6 × 1.1 cm
Description

Nacareniobsite-(Ce) is a very rare Na-Ca-REE-Nb silicate species, forms cream yellow coloured platy crystals in matrix. Associating mineral are brown steenstrupine-(Ce), ussingite and black aegirine.

Mineral Data
What's on the rock

Nacareniobsite-(Ce)

Formula: 
Na3Ca3(Ce,La,Nd)Nb(Si2O7)2OF3
Strunz: 
9.BE.20
Crystal System: 
Monoclinic
Hardness: 
5.0
Type Locality: 
Kvanefjeld adit, Kvanefjeld Uranium deposit, Kuannersuit Plateau (Kvanefjeld), Ilímaussaq complex, Narsaq, Kujalleq, Greenland

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