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Fergusonite-(Y) Var Fergusonite

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MCH146721

Fergusonite-(Y) Var Fergusonite

Radioactive

Description Tabs

Description
Locality: 
Arendal, Agder, Norway
Size Range: 
Small cabinet (7-10 cm)
Size: 
7 × 4.5 × 2 cm
Description

Tyrite was described in 1855 as a new mineral from Arendal, Norway. It later showed to be identical with fergusonite. This old-timer specimen consists of massive, darkbrown coloured fergusonite with some intercalated mica. Comes with an old Stürtz-label.

Mineral Data
What's on the rock

Fergusonite-(Y)

Formula: 
YNbO4
Strunz: 
7.GA.05
Hardness: 
5.5 - 6.5
Type Locality: 
Kangeq, Sermersoq Island, Kujalleq, Greenland

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

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