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Fergusonite & Polycrase

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SHS217316

Fergusonite & Polycrase

Description Tabs

Description
Locality: 
Frikstad #7 Feldspar Quarry, Frikstad, Iveland, Agder, Norway
Size Range: 
Miniature (4.5-7 cm)
Size: 
5.4 × 4.5 × 1.8 cm
Description

 Nice fergusonite and polycrase in matrix

Mineral Data
What's on the rock

Fergusonite

Synonym Of: 

Fergusonite-(Ce)

Formula: 
(Ce,La,Nd)NbO4
Strunz: 
7.GA.05
Hardness: 
5.5 - 6.5

Fergusonite-(Y)

Formula: 
YNbO4
Strunz: 
7.GA.05
Hardness: 
5.5 - 6.5