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Fergusonite-(Y)

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MCH570846

Fergusonite-(Y)

ex Dr. Ehmke, GDI Berlin
Radioactive

Description Tabs

Description
Locality: 
Landsverk Quarries, Evje og Hornnes, Agder, Norway
Class: 
Crystals on Matrix
Size Range: 
Miniature (4.5-7 cm)
Size: 
4.5 × 3.4 × 1.9 cm
Largest Crystal: 
1.00cm
Description

Numerous dark brown coloured, well developped and terminated fergusonite-(Y) crystals are embedded in a light brownish pegmatite matrix. Slightly radioactive. Very good specimen from this renowned locality in the pegmatite region of Southern Norway.

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

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